Jetstream JT220M Service Manual

JT220M

SPECIFICATIONS

General

Frequency Range

RX 216~280MHz

TX 222~225MHz

Number of channels 100

Operation mode FM 16K0F3E (Wide mode)/8K50F3E (Narrow mode)

Channel Stepping 5, 8.33, 10, 12.5, 15, 20, 25, 30, 50KHz

Antenna Impedance 50Ω

Working temperature –10℃~+60℃ (–14℉~+140℉)

Power Supply 13.8V DC±15% (11.7~15.8V)

Grounding Method Negative ground

Current Transmitter: about 9.0A

Receiver: about 600mA(max.) 400mA (noise reductions)

Frequency Stability ±2.5ppm

Dimensions (W x H x D ) 145 x 47 x 190 mm

Weight Approx. 1.2kg / 2.6lb

RECEIVER

Circuitry Double conversion superheterodyne

Intermediate Frequency (1st / 2nd) 38.85MHz / 450kHz

Sensitivity (12dB SINAD) Wide : 0.25μV or less Narrow : 0.35μV or less

Selectivity

–6dB Wide : 12kHz or more Narrow : 6kHz or more

–60dB Wide : 28kHz or less Narrow : 14kHz or less

Squelch Sensitivity 0.1μV

Audio Output (8Ω, 10% distortion) 2.0W

TRANSMITTER

Power Output

High 50W

Mid 10W

Low About 5W

Modulation Changeable impedance

Scattering transmit -60dB or less than-60dB

Maximum Frequency Deviation Wide :±5kHz, Narrow :±2.5kHz

Impedance of Microphone 2KΩ

JT220MBLOCK DIAGRAM

LPF

D231

LPF

MA742

ANT

POW DET POW DET

ANT SW

Q206

RF AMP BPF

3SK318

BPF

RF BPF

VFM

D230MA742

APC

Q216

FINAL

MRF7042

AMPAMP

DRIVE

Q214RD07

PRE

AMPDRIVE

Q2122SK3078

AMPRF

Q2202SC3357

8T8T

T/R SW

Q205

MIX

3SK318

VFM

D210,D211

D204DAN235E

CONTROL

U204LM2904V

L407CDB

TUNE

RF BPFTUNE

D207,D208HVC350

D205,D206

HVC350

D/A

DC AMPVIF

U202LM2904V(1/2)

U505M62364F(5/8)CONV

VG

PC

TV 8T

8R8T

D203DAN235E

RF

Q2072SC4226

8C

BUFF

Q2092SC4226

VCO

RX

Q2172SK1875

VCO

Q219

SW SW

P45

Q201UMC4N2SJ243

TX

Q2182SK1875

VCO

MO

D MCF

XF200,XF201

38.85MHz

IF AMP

Q2042SC4215

DEMODULATOR

Q200

IF

U505M62364F(6/8)

NOISE

Q213

CHARGE

DTA114EE

P23

U202LM2904V(2/2)

LIPPLE

Q2212SC1623

FILTER8C

LOOP

FILTER

RF

Q2102SC4226

U2S3P8249

SW

Q1002SB1386

SW

Q103

DTC114EU

P13

AVR

U1HT7550-1

RESET U5S7133SF

5M

RESET

AVR

U100MC7808

SBE

8CSW

Q1022SB1132

SW

Q104DTC114EU

P47

E

+B8T

SW

Q101

2SB624

SW

Q108

DTC114EE

P41

8R

AVR

U101MC78L05

5C5C

P02

SW

SW

SWVAM VFM

Q105DTC114EE

P46

Q106UMC4N

Q107UMC4N

8C

U500MC33111

EEPROM

U6AT24C32RM

EEPCKEESDT

5MP03

P00

P15

POWER

FUNC

V/M

MH

z

TS

Q

CA

LL

SQ

LP52

P56

P57

SWVIF

U201MC78L05

VCO

P21

P22

J2PHONEJACK SP

EXT.SP

J502

STEREO

.

D/ACONV

U505M62364F(4/8)

TX: 222.000-225.000

RX: 216.000-280.000

Q2112SC4215

AF/SQ P24

MULTIPLY

X2

PLL IC

TCXO

8C5C

X200

P53

P51

P50P07

5C

D/A

U505M62364F(3/8)

CONV

CTCSS

D/ACONV

U505M62364F(1/8)

U205LMX1511

CHARGEPUMP

CHARGEPUMP

Q2232SA1832(GR)

Q2242SC4738(GR)

19.200MHz

19.200MHz

D/A

U505M62364F(7/8)(8/8)

CONVSW

Q500DTC144EE

P43

COMPANDER

U500MC33111

(B/2)

5C P42

HPF

U502NJM2902

VB

LPF

U501NJM2902(2/4)

BUFFER

U501NJM2902(1/4)

AMP

TONE

LPF

U503NJM2902

5C

CTCSS/DCS

AF/SQ

DTMF-DET RX-A

AF PA

U506LA4600

SBE

(NARROW)

CF200SW

WIDE

SW

SW

8R

D201DAN235E

D200DAN235E

P44

UMC4N(WIDE)CF201NARROW

SW

Q203

DTA114YE

VIF

U200TA31136FN

BUFFERAMP

U501LM2902(4/4)

U505M62364F(6/8)

D/A

CONV

REFERENCE

VOLTAGE

U501NJM2902(3/4)

5C

P10P11

SW

Y27.3728MHz

Q4

DTC144EESHIFT

DTMF

U4HT9200A

CS,CK,DT

Y13.58MHz

5M

CS,WR,DT

P12P13P15P16

P00P01P04P07

P21P23P24P25P27

P40

P42P43P44P45P46P47P50P51P53P54

P41

P22W110K

ENCODER

CTCSS/DCS

BUFFER

AMP U8LM2904V

BEEP SW

SIN

5M

TONE

P27

CTCSS

DTMF-DET

U7TC4W53FU

D/A

U505M62364F(2/8)

CONV

U504NJM2902(1/4)

Q502

AGC

2SC4181

SWAGC

U504

NJM2902(3/4)(4/4)

P40

DET

D502DAN222

D5011SS372

COMPANDERU500

MC33111(A/2)

P40 TONEP16

U504NJM2902(2/4)

MIC/IDC

SPLATTERFILTER

SW

AMP

Q52SC1623

U3

HT1621M

COM0~7

SEG0~27LCD DRIVE

Q1

DTC114EE

SW

SW

P27

P12

5C

Q2DTC114EE

5M

LCD BACK LIGHT

D5

Q6 2SC1623Q7 2SD468

5M

LCD

SW P47

D3

POW LED

D9TX LED

MIC

P01

P10

P11

5C

P00

MICG

P04

MIC

HA

ND

MIC

INT

ER

FA

CE

J501PHONE-DC

Q3DTC144EE

.

TX-A

BUFFERAMP

RE

PE

AT

ER

INT

ER

FA

CE

5C

P01

RX-A

P42

TX-A

J5

03

8C

JT220M

1

CIRCUIT DESCRIPTION

Frequency configuration

The receiver utilizes double conversion. The first IF is 38.850 MHz and the second IF is 450kHz. The

first local oscillator signal is supplied from the PLL circuit.

The PLL circuit in the transmitter generates the necessary frequencies. Fig. 1 shows the frequencies.

Fig. 1 Frequency configuration

Receiver

The receiver is double conversion super heterodyne, designed to operate in the frequency range of 216

to 280MHz.

The frequency configuration is shown in Fig. 1.

Front - end RF amplifierAn incoming signal from the antenna is applied to an RF amplifier (Q206) after passing through a

transmit/receive switch circuit (D210 are off) and a band pass filter (L206, L207 and varactor diodes: D207,

D208). After the signal is amplified (Q206), the signal is filtered through a band pass filter (L205, L206 and

varactor diodes: D205, D206) to eliminate unwanted signals before it is passed to the first mixer.

The voltage of these diodes are controlled by tracking the D/A (U505) center frequency of the band

pass filter. (See Fig. 2.)

Fig. 2 Receiver section configuration

ANT SW

MCF

38.850MHz

IF SYSTEM

450KHzCFANT

AF

AMP SP

TCXO 19.200MHz

POWER

AMP

RFAMP

PLLVCO MIC

MIC

AMP

RX

TX

1stMIX

RF

AMP

1/2

X2 MULTIPLY

38.4MHz

Q200

RX: 216.000-280.000

TX: 222.000-225.000

ANT SWIF system

(PLL)

CF201(wide)ANT

1st Local OSC

BUFFER AMPU501(4/4)

U200

IF AMPQ204

MCFXF200, XF201

MIXERQ205BPFRF AMP

Q206BPF

D210,D211

U505D/A

TV

CPU

CF200(Narrow)

D/A CONVERTERU505

W/NO

D207, D208L206, L207

D205,D206L205, L206

X2 MULTIPLY

Q211TCXOX200

JT220M

2

CIRCUIT DESCRIPTION

First MixerThe signal from the RF amplifier is heterodyned with the first local oscillator signal from the PLL

frequency synthesizer circuit at the first mixer (Q205) to create a 38.850MHz first intermediate frequency

(1st IF) signal. The first IF signal is then fed through one pair of monolithic crystal filter (MCF : XF200 and

XF201) to further remove spurious signals.

IF amplifierThe first IF signal is amplified by Q204, and then goes to U200 (FM processing IC). The signal is

heterodyned again with a second local oscillator signal within U200 to create a 450kHz second IF signal.

The second IF signal is then fed through a 450kHz ceramic filter (Wide : CF201, Narrow : CF200) to

further eliminate unwanted signals before it is amplified and FM detected in U200.

Wide/Narrow Switching CircuitThe Wide port and Narrow port (pin 75) of the CPU is used to switch between ceramic filters. When the

Wide port is high, the ceramic filter SW diodes (D200, D201) cause CF201 to turn on to receive a Wide

signal.

When the Narrow port is low, the ceramic filter SW diodes (D200, D201) cause CF200 to turn on to

receive a Narrow signal. (See Fig. 3.)

Fig. 3 Wide/Narrow Switching Circuit

AF Signal SystemThe detection signal from IF IC (U200) goes to D/A converter (U505) for adjusting the gain and is output

to AF filter (U502) for characterizing the signal. It is also amplified by entering compander amplifier (U500).

The AF signal output from U500 and the TONE signal are summed up and the resulting signal goes to the

D/A converter (U505). The AFO output level is adjusted by the D/A converter. The signal output from the

D/A converter is input to the audio power amplifier (U506). The AF signal from U505 was inputted into

(U506).The AF signal from (U506) switches between the internal speaker and speaker jack (J502) output.

(See Fig. 4.)

Fig. 4 AF signal system

U501, U502

AF Filter

U505

D/ACONV.

U200

IF IC

U505

D/ACONV.

AF PA

U506

SP

U500

COMPANDE

IF_IN

U200

IF SYSTEM

MIX_O

D201 D200

CF200(NARROW)

CF201(WIDE)

R205

R206

SW

SW

Q203

Q200 WIDE/NARROW SW

U2 75pin

.

R207

R208

JT220M

3

CIRCUIT DESCRIPTION

Squelch CircuitThe detection output from the FM IF IC (U200) passes through a noise amplifier (U201 2/2) to detect

noise. A voltage is applied to the CPU (U2). The CPU controls squelch according to the voltage (SQIN)

level. The signal from the RSSI pin of U200 is used for S-meter. The electric field strength of the receive

signal can be known before the SQIN voltage is input to the CPU, and the scan stop speed is improved.

Fig. 5 Squelch Circuit

PLL frequency synthesizer

The PLL circuit generates the first local oscillator signal for reception and the RF signal for transmission.

PLLThe frequency step of the PLL circuit is 5 or 6.25kHz. A 19.200MHz reference oscillator signal is divided

at U205 by a fixed counter to produce the 5 or 6.25kHz reference frequency. The voltage controlled

oscillator (VCO) output signal is buffer amplified by Q209, then divided in U205 by a dualmodule

programmable counter. The divided signal is compared in phase with the 5 or 6.25kHz reference signal in

the phase comparator in U205. The output signal from the phase comparator is filtered through a low-pass

filter and passed to the VCO to control the oscillator frequency. (See Fig. 6.)

VCOThe operating frequency is generated by Q218 in transmit mode and Q217 in receive mode. The

oscillator frequency is controlled by applying the VCO control voltage, obtained from the phase

comparator, to the varactor diodes (D219 and D223 in transmit mode and D217 and D220 in receive

mode). The TX/RX pin is set high in receive mode causing Q201 and Q219 to turn Q218 off, and turn

Q217 on. The TX/RX pin is set low in transmit mode. The outputs from Q217 and Q218 are amplified by

Q209 and sent to the RF amplifiers. (See Fig. 6.)

Fig. 6 PLL circuit

UNLOCK CircuitDuring reception, the RXC signal goes high, the TXC signal goes low, and Q108 turns on. Q101 turns

on and a voltage is applied to (8R). During transmission, the RXC signal goes low, the TXC signal goes

U200

SYSTEMCPU

U2NOISE AMPU201

IF

SQ

RSSI

SQIN

RSSI

COMPARATOR

PHASE CHARGEPUMP

U205:PLL IC

REF OSC

I/N

I/M

PLL DATA

LPF

Q210

TX VCOQ218

BUFF AMP

Q209

19.200MHz

Q201,Q219

T/R SW

.

RX VCOQ217

RF amplifiers

AMP

P45 (CPU)

D219,D223

D217,D220

5KHz/6.25KHz

5KHz/6.25KHz

JT220M

4

CIRCUIT DESCRIPTION

high and Q104 turns on. Q102 turns on and a voltage is applied to (8T).

The CPU in the control unit monitors the PLL (U205) LD signal directly. When the PLL is unlocked

during transmission, the PLL LD signal goes low. The CPU detects this signal and makes the TXC signal

low. When the TXC signal goes low, no voltage is applied to 8T, and no signal is transmitted. (See Fig. 7.)

Fig. 7 Unlock circuit

Transmitter

OutlineThe transmitter circuit produces and amplifies the desired frequency directly. It FM-modulates the

carrier signal by means of a varicap diode.

Power Amplifier CircuitThe transmit output signal from the VCO passes through the transmission/reception selection diode

(D203) and amplified by Q220, Q212 and Q214. The amplified signal goes to the final amplifier (Q216)

through a low-pass filter. The low-pass filter removes unwanted high-frequency harmonic components,

and the resulting signal is transmitted through the antenna terminal. (See Fig. 8.)

Fig. 8 Transmitter system

APC CircuitThe automatic transmission power control (APC) circuit detects part of a final amplifier output with a

diode (D230, D231) and applies a voltage to U202. U202 compares the APC control voltage (PC)

generated by the D/A converter (U505) with the detection output voltage. U202 generates the voltage to

control Q214 and Q216 and stabilizes transmission output.

The APC circuit is configured to protect over current of Q214 and Q216 due to fluctuations of the load

SW

Q101SW

Q102

SWQ108

SW

Q104

U2 U205

CPU PLL

LD

RXC

8C

PLL lock:LD"H"

TXC

8R 8T

.

D/A

U505

M62364FCONVERTER

U504

COMPANDER

AMP

Q5

2SC1623

U500 U504

MIC/IDC

U504

SPLATTERFILTER

U505

VCO

Q218

2SK508

NJM2902MC33111 NJM2902

NJM2902

D/A

M62364FCONVERTER

BUFFER

Q209

2SC4226Q207

Q207

2SC4226

X200

192.0MHz

TCXO PLL

U205

LMX1511TMRF AMP

Q210

2SC4226

RF AMP

Q220

2SC3357DRIVE STAGE

Q212

2SK3078A

DRIVE AMP

Q214

RD07FINAL AMP

Q216

MRF7042

ANT

MIC

BUFFER

JT220M

5

CIRCUIT DESCRIPTION

at the antenna end and to stabilize transmission output at voltage and temperature variations. (See Fig.

9.)

Fig. 9 APC Circuit

Control Circuit

The CPU carries out the following tasks (See Fig. 10.):

1) Controls the WIDE, NARROW, TX/RX outputs.

2) Controls the display unit.

3) Controls the PLL (U205).

4) Controls the D/A converter (U505) and adjusts the volume, modulation and transmission power.

Fig. 10 Control circuit

Memory CircuitThe transceiver has an 64k-bit EEPROM (U6). The EEPROM contains adjustment data. The CPU (U2)

controls the EEPROM through two serial data lines. (See Fig. 11.)

Fig. 11 APC Circuit

Display CircuitThe CPU (U2) controls the display LCD and LEDs. When power is on, the CPU will use the P12 line to

control the LCD illumination backlight LEDs.

The brightness function is controlled by the switch Q6 and Q7.

The LCD driver (U3) and CPU (U2) communicate through the CS, WR, DI, lines. (See Fig. 12.)

CK

D/ADT

LD

LE

U505

converter

U205

PLL

U2

CPU

U6

EEPROM

U2

CPU

RF AMP

Q220

DRIVE STAGE

Q212

DRIVE AMP

Q214

FINAL AMP

Q216

ANT

ANT SW LPF

POWERDETD230,D231

APC

CONTROL

VR200U204

14pinU505PC

D210,D211

D203

JT220M

6

CPU

CS

U2LCDU3

LCDCOM0~COM3

SEG0~SEG27driver

WR

DI

Q6,Q7

SW8C

D5

P12

BLUE

CIRCUIT DESCRIPTION

Fig. 12 Display circuit

EncodeThe CTCSS and DCS signal that is output from CPU(U2) of P31 pass through two-way digital switches

and buffer amplifier(U8A) to amplify. The DTMF signal that is output from DTMF encoder passes through

buffer amplifier (U8A) to amplify, and amplified by the other U504 (B/4) to perform IDC operation. The

signal then passes through a low-pass filter (splatter filter) U504 (C/4and D/4) and cuts 3kHz and higher

frequencies. and the resulting signal goes to the D/A converter (U505).

The D/A converter (U505) adjusts the balance between the MOD and CTCSS/DCS levels. Signal of

CTCSS/DCS port is summed with MOD and the resulting signal goes to the VCO. This signal is applied to

a varicap diode in the VCO for direct FM modulation. (See Fig. 13.)

Fig. 13 Encode circuit

DecodeCTCSS/DCS/ DTMF

The signal from (AFWN) entering into AF signal and higher audio frequencies output by pin 1 of U501: A

are cut by low-pass filter U503 and amplified. then led to pin 42 of CPU. The input signal is compared with

the programmed tone frequency code in the CPU. The squelch will open when they match.

The signal (DTMF-DET) goes to P27 (pin 43) of CPU (U2). The DTMF input signal from the DTMF-DET

goes to compared U8B. The compared signal goes to the CPU for processing and be decoded within the

CPU (U2). (See Fig. 14.)

Fig. 14 Decode circuit

2-CHANNELDIGITAL SW

D/AU505

U2CPU

VCO

X200TCXO

U205PLL

DTMF

DCS/CTCSS

U4DTMF

Encode

BUFFER

AMP

U8AU7 TCXOMOD

VCO MOD

AFWN LPF

CPU

U503

U2

FILTERBUFFER AMP

U501D

U8B

COMPARATOR

U501B/U502

LPF/HPFFILTER

DTMF-DET

JT220M

7

CIRCUIT DESCRIPTION

D/A ConverterThe D/A converter (U505) is used to adjust MO modulation, AF volume, TV voltage, FC reference

voltage, and PC POWER CONTROL voltage level.

Adjustment values are sent from the CPU as serial data. The D/A converter has a resolution of 256 and

the following relationship is valid.

Power Supply Circuit

When the POWER switch on the display unit is pressed, the power port on the display unit which is

connected to CPU port 25 (POWER), goes low, then CPU port 31 (P13) goes high, Q103 turns on, SBE

SW (Q100) turns on and power (SBE) is supplied to the radio.

When the DC power supplied to the radio, the voltage regulator IC (U1) supply into the CPU VDD and

reset voltage detect IC (U5). U5 will generate signal (RESET) in to the reset terminal on the CPU (U2) to

carry out a power ON reset.

During receiving, the CPU port 72 (P41) output "H" level. Q101 and Q108 turn on. and reception circuit

is supplied by 8V power supply (8R).

When the receiving is at FM, the CUP port 77 (P46) output "L" level. Q106 turns on and supplies 8V

power supply to FM reception circuit (VFM).

During transmitting, CPU port 78 (P47) output "H" level. Q102 and Q104 turn on. Transmitting circuit

output 8V power supply (8T). (See Fig. 15.)

Fig. 15 Power supply circuit

U2 5M

CPU

Q100SW

Q103SW

U1AVR

U5RST

Q101SW

Q108SW

Q106SWVAM VFM

Q102SW

Q104SW

Q107SW

Q105SW

8R

8T

U100AVR

U101AVR5C

8C

RESET

P13

P46

P41

P4

7

FB

POWER SW

POWER

JT220M

1

ADJUSTMENT

PCB Section

Item ConditionMeasurement Adjustment Specifications

/RemarksTest equipment Terminal Parts Method

1. Setting 1) Power supply voltage

DC Power supply terminal : 13.8V

2. VCO lock

voltage

1) CH: TX high Digital voltmeter TC2 CV201 3.3 V ±0.5V

2) CH: RX high CV200 3.3 V ±0.5V

3) CH: TX low Check More than 0.6V

4) CH: RX low

Transmitter section



1. Frequency 1) CH: TX center

2) Transmit

Frequency counter ANT Encoder

knob

Adjust to the frequency Within ±200Hz

2. Maximum

power

alignment

1) CH : TX high

2) Adjustment HEX value : FF

3) Transmit

Power meter VR200 55W

3. High

power

1) CH : TX low

CH : TX low’

CH : TX center

CH : TX high’

CH : TX high

2) Transmit

Encoder

knob

50W ±5.0W

4. Mid

power

1) CH : TX low

CH : TX low’

CH : TX center

CH : TX high’

CH : TX high

2) Transmit

10W ±2W

5. Low

power

1) CH : TX low

CH : TX low’

CH : TX center

CH : TX high’

CH : TX high

2) Transmit

5W ±1W

6. DCS

balance

1) CH : TX center

2) Transmit

Modulation analyzer

or Linear detector

(LPF : 3kHz)

Oscilloscope

Adjust the waveform as

below

7.Max

deviation

1) CH : TX low (Wide)

CH : TX center (Wide/Narrow)

CH : TX high (Wide)

2) AG : 1kHz/120mV

3) Transmit

Modulation

analyzer or linear

detector

(LPF15kHz)

Oscilloscope

AG

AF. V. M

ANT

MIC

±4.3kHz (Wide)

±2.1kHz (Narrow)

According to the large +,

–

±200Hz

±100Hz

JT220M

2

ADJUSTMENTTransmitter section



8. MIC

sensitivity

1) CH : TX center (Narrow)

2) AG : 1kHz/4mV

3) Transmit

Modulation

analyzer or linear

detector

(LPF15kHz)

Oscilloscope

AG

AF. V. M

ANT

MIC

Check ±1.7~2.0kHz

(Narrow)

9. CTCSS

fine

deviation



CH : TX high (Wide)

2) Transmit

Modulation analyzer

or Linear detector

(LPF : 3kHz)

Oscilloscope

Encoder

Knob

±0.7kHz (Wide)

±0.4kHz (Narrow)

±200Hz

±100Hz

10. DCS fine

deviation



CH : TX high (Wide)

2) Transmit

±0.8kHz (Wide)

±0.4kHz (Narrow)

±200Hz

±100Hz

11. DTMF

deviation

1) CH : TX center (Wide/Narrow)

2) Transmit

±3.0 kHz (Wide)

±1.5kHz (Narrow)

±100Hz

Receiver Section



1. Sensitivity 1) CH : RX low (Wide/Narrow)

CH : RX center (Wide/Narrow)

CH : RX high (Wide/Narrow)

2) SSG output:

: –119dBm (0.25μV) (Wide)

: –116dBm (0.35μV) (Narrow)

Mod : 1kHz

Dev : ±3.0kHz (Wide)

Dev : ±1.5kHz (Narrow)

SSG

Oscilloscope

AF V.M

Distortion meter

ANT

EXT. SP

Check SINAD:

12dB or higher

2. Squelch 20 1) CH : TX low (Wide)


CH : TX high (Wide)

2) SSG output:

: –116dBm (0.35μV) (Wide)


Mod : 1kHz



Encoder

knob

Adjust to open the

squelch

3. Squelch 1 1) CH : TX low (Wide)


CH : TX high (Wide)

2) SSG output:

: –127dBm (0.1μV) (Wide)


Mod : 1kHz



JT220M

1

PARTS LISTDISPLAY UNIT

Ref. No Parts No. Description of item Size (LxW)(mm) Qty Specification

C1-C6 SMT CAPACITOR 0603 6 104±10% 50V






C37 SMT CAPACITOR 1206 1 225±10% 50V

C38 SMT CAPACITOR 0603 1 103±10% 50V

C39-C40 SMT CAPACITOR 0603 2 22P±5% 50V

C41 SMT CAPACITOR 0603 1 120P±5% 50V


C44 SMT CAPACITOR 0603 1 473±10% 50V


C47-C48 SMT CAPACITOR 0603 2 NOUSE

C49 SMT CAPACITOR 0603 1 225±10% 50V

C50 SMT CAPACITOR 0603 1 104±10% 50V


E1 ELECTRO 4×8 1 22uF25V

E2-E4 ELECTRO 4×8 3 47uF/10V

R1 SMT RESISTOR 0603 1 1K±5%


R3-R7 SMT RESISTOR 0603 4 1K±5%




R18 SMT RESISTOR 0603 1 2.2K±5%


JT220M

2

PARTS LISTRef. No Parts No. Description of item Size (LxW)(mm) Qty Specification







R49-R51 SMT RESISTOR 0603 3 470R±5%

R53 SMT RESISTOR 0603 1 220R±5%












R66 SMT RESISTOR 0603 1 8.2K

R67 SMT RESISTOR 0603 1 39K



D1-D2 SMT ZENER DIODE 0805 2 5V1

D5 LCD BACK LIGHT 1 BLUE

D3/D9 SMT LIGHTED DIODE 0603 2 ORANGE

D10-D14 SMT DIODE SOT-323 5 DA221

DS1 LCD 1 GDH-706W

JT220M

3


Q1-Q2 SMT DIGITAL TRANSISTOR EMT3 2 DTC114EE

Q3-Q4 SMT DIGITAL TRANSISTOR EMT3 2 DTC144EE

Q5-Q6 SMT TRANSISTOR SOT-23 2 2SC1623

Q7 TRANSISTOR TO-92 1 2SD468

U1 SMT IC TO-92 1 HT7550-1

U2 SMT IC QFP80 1 S3P8249

U3 SMT IC MSK48 1 HT1621M

U4 SMT IC SOP-8 1 HT9200A

U5 SMT IC SOT-23 1 S7133SF

U6 SMT IC SOP-8 1 AT24C64RM(8)

U7 SMT IC SSOP8-P 1 TC4W53FU

U8 SMT IC SSOP8 1 LM2904V

L1-L3 SMT FERRITE BEAD (BLACK) 0805 3 271T


J1 FLAT CABLE CONNECTOR SSOI32F 1 0.5S-1X-32PWB

J2 Jack PJ-3542 1 PHONEJACK STEREO

J3 Mic Connector SKY8 1 HAND MIC INTERFACE

S1 SWITCH 6×3.8×2.5 1 POWER

S2 SWITCH 6×3.8×2.5 1 FUNC

S3 DIAL 1 ENCODER

S4 SWITCH 6×3.8×2.5 1 V/M

S5 SWITCH 6×3.8×2.5 1 MHz

S6 SWITCH 6×3.8×2.5 1 TSQ

S7 SWITCH 6×3.8×2.5 1 CALL

S8 SWITCH 6×3.8×2.5 1 SQL

W1 VARIOUS RESISTOR 1 10K

Y1 CRYSTAL 1 3.58MHz

Y2 SMT CRYSTAL RESONATOR 1 7.3728MHz

JT220M

4

PARTS LISTMAIN UNIT

Ref. No Parts No. Description of item Size (LxW)(mm) Qty Specification






C214 SMT CAPACITOR 0603 1 NOUSE

C215 SMT CAPACITOR 0603 1 103±10% 50V

C216 SMT RESISTOR 0603 1 0R±5%







C238 SMT CAPACITOR 0805 1 104±10% 50V




C253 SMT CAPACITOR 0603 1 103±10% 50V






C268 SMT CAPACITOR 1206 1 102±10% 50V

C268 SMT CAPACITOR 1210 1 102±10% 50V

C269 SMT CAPACITOR 0603 1 102±10% 50V

JT220M

5


C270 SMT CAPACITOR 1210 1 102±10% 50V




C284 SMT CAPACITOR 1206 1 102±10% 50V

C285 SMT CAPACITOR 0603 1 102±10% 50V

C286 SMT CAPACITOR 0603 1 104±10% 50V








C297-C298 SMT CAPACITOR 0603 2 2P±0.1P 50V

C299 SMT CAPACITOR 0603 1 1P±0.1P 50V

C300-C301 SMT CAPACITOR 0603 2 2P±0.1P 50V












JT220M

6






C320 SMT CAPACITOR 0603 1 103±10% 50V







C327 SMT RESISTOR 0603 1 0R±5%

C328-C340 SMT CAPACITOR 0603 13 470P10% 50V














C360 SMT CAPACITOR 0603 1 3.6P±0.1P 50V


JT220M

7






C368 SMT SMALL FIXED INDUCTOR 0603 1 47NH










C381 SMT CAPACITOR 0805 1 474±10% 50V












C398-C401 SMT CAPACITOR 0603 4 0.5P±0.1P 50V


JT220M

8


C403 SMT CAPACITOR 0603 1 0.75P±0.1P 50V



C406 SMT CAPACITOR 0603 1 103±10% 50V















C534 SMT CAPACITOR 0805 1 474±10% 50V

C535 SMT CAPACITOR 0805 1 474±5% 50V


C538 SMT CAPACITOR 0603 1 273±5% 50V

C539 SMT CAPACITOR 0603 1 224±5% 50V

C540 SMT CAPACITOR 0603 1 222±5% 50V

C541 SMT CAPACITOR 0603 1 393±5% 50V


C552 SMT CAPACITOR 0805 1 104±10% 50V

C553 SMT CAPACITOR 0603 2 473±5% 50V

JT220M

9


C554 SMT CAPACITOR 0603 1 272±5% 50V

C556 SMT CAPACITOR 0603 1 102±5% 50V

C557 SMT CAPACITOR 0805 1 105±10% 50V

C558 SMT CAPACITOR 0603 1 332±5% 50V


C560 SMT CAPACITOR 0603 1 102±5% 50V


C562 SMT CAPACITOR 0603 1 333±5% 50V

C563 SMT CAPACITOR 0603 1 103±10% 50V



E100-E101 ELECTRO 10×15 2 470uF25V

E102-E105 ELECTRO 4×8 4 47uF25V


E202 SMT TANTALUM CAPACITOR A type 1 0.22uF±20% 35V



E205 SMT TANTALUM CAPACITOR B type 1 33uF±20% 10V

E206-E208 SMT TANTALUM CAPACITOR A type 3 10uF±20% 10V


E210 SMT CAPACITOR 1206 1 220P±5% 50V





E516 SMT TANTALUM CAPACITOR A type 1 4.7uF±20% 6.3V


E518 SMT CAPACITOR 1206 1 563±10% 50V

JT220M

10


E519 ELECTRO 4×8 1 4.7uF16V


E521 ELECTRO 8×15 1 330uF25V







R104-R105 SMT RESISTOR 0603 2 47K±5%


R200-R201 SMT RESISTOR 0603 2 15K±5%



R204-R210 SMT RESISTOR 0603 7 10K±5%





R215-R216 SMT RESISTOR 0603 2 10K±5%

R217-R218 SMT RESISTOR 0603 2 100K±5%

R219-R220 SMT RESISTOR 0603 2 10K±5%


R222 SMT RESISTOR 0603 1 NOUSE

R223-R224 SMT RESISTOR 0603 2 22K±5%

R226-R227 SMT RESISTOR 0603 2 22K±5%



JT220M

11






R234-R235 SMT RESISTOR 0603 2 470R±5%

R236-R237 SMT RESISTOR 0603 2 100R±5%





R242-R244 SMT RESISTOR 0603 3 100R±5%



R247-R249 SMT RESISTOR 0603 3 100K±5%


R251-R256 SMT RESISTOR 0603 6 100K±5%


R258-R260 SMT RESISTOR 0603 3 100K±5%

R261-R262 SMT RESISTOR 0603 2 680R±5%

R263-R265 SMT RESISTOR 0603 3 1 K±5%



R268-R271 SMT RESISTOR 0603 4 1 K±5%

R272-R274 SMT RESISTOR 0603 3 220R±5%


R276-R277 SMT RESISTOR 0603 2 470K±5%



JT220M

12


R280-R281 SMT RESISTOR 0603 2 10K±5%


R283-R284 SMT RESISTOR 0603 2 NOUSE
















R303-R304 SMT RESISTOR 0603 2 47K±5%


R306-R310 SMT RESISTOR 0603 5 47K±5%

R311-R312 SMT RESISTOR 0603 2 270R±5%



R315-R316 SMT RESISTOR 0603 2 22R±5%




JT220M

13



























R502-R506 SMT RESISTOR 0603 5 10K±5%


R508-R510 SMT RESISTOR 0603 3 47K±5%

JT220M

14










R525-R539 SMT RESISTOR 0603 15 100K±5%







R548-R549 SMT RESISTOR 0603 2 2.2K±5%



R552-R553 SMT RESISTOR 0603 2 1M±5%










JT220M

15





R571 SMT RESISTOR 0603 1 25.5K±1%

R572 SMT RESISTOR 0603 1 5.11K±1%


R574 SMT RESISTOR 0603 1 15.8K±1%

R575 SMT RESISTOR 0603 1 29.4K±1%

R576 SMT RESISTOR 0603 1 11.5K±1%


R578 SMT RESISTOR 0603 1 4.22K±1%












RT200 SMT RESISTOR ARRAY 0603 1 NOUSE

D100 SURGE ABSORBER 1 ZSA5A27

D200-D201 SMT DIODE SOT-416 2 DAN235E

D202 SMT RESISTOR 0603 1 0R±5%

D203 SMT DIODE SOT-416 1 DAN235E

D204 SMT CAPACITOR 0603 1 470P±5% 50V

JT220M

16


D205-D208 SMT VARIABLE CAPACITANCE DIODE SC-79 4 HVC350

D210-C211 DIODE DO-35 2 L407CDB

D212-D213 SMT DIODE 1206 2 NOUSE

D214 SMT DIODE SOT-523 1 NOUSE

D215 SMT VARIABLE CAPACITANCE DIODE 0603 1 NOUSE


D217 SMT VARIABLE CAPACITANCE DIODE 0805 1 JDV2S14E(FH)


D219-D220 SMT VARIABLE CAPACITANCE DIODE 0805 2 JDV2S14E(FH)

D221-D222 SMT VARIABLE CAPACITANCE DIODE 0805 2 NOUSE

D223 SMT VARIABLE CAPACITANCE DIODE 0805 1 JDV2S14E(FH)

D224-D225 SMT DIODE 0805 2 1SS355

D226-D227 SMT DIODE SC-79 2 MA2S111

D228 SMT ZENER DIODE 0805 1 5.1V

D229 SMT ZENER DIODE 0805 1 8.2V

D230-D231 SMT DIODE SC-70 2 MA742

D232 SMT VARIABLE CAPACITANCE DIODE 0805 1 1SV214

D233-D234 SMT CAPACITOR 0805 2 120P±5% 50V

D500 SMT DIODE SOT323 1 NOUSE

D501 SMT DIODE SC70 1 1SS372

D502 SMT DIODE SOT-416 1 DAN222

Q100 SMT TRANSISTOR SC-62 1 2SB1386

Q101 SMT TRANSISTOR SOT-23 1 2SB624

Q102 SMT TRANSISTOR SC-62 1 2SB1132

Q103-Q104 SMT DIGITAL TRANSISTOR SC70 2 DTC114EU

Q105 SMT DIGITAL TRANSISTOR EMT3 1 DTC144EE

Q106-Q107 SMT DUAL DIGITAL TRANSISTOR SC-88A 2 UMC4N


JT220M

17


Q200-Q201 SMT DUAL DIGITAL TRANSISTOR SC-88A 2 UMC4N

Q202 SMT DUAL DIGITAL TRANSISTOR SC-88A 1 NOUSE

Q203 SMT DIGITAL TRANSISTOR EMT3 1 DTA114YE

Q204 SMT TRANSISTOR SC-70 1 2SC4215

Q205-Q206 SMT FET SOT-143 2 3SK318


Q208 SMT TRANSISTOR SC-70 1 NOUSE

Q209-Q210 SMT TRANSISTOR SC-70 2 2SC4226


Q212 SMT FET SOT-89 1 2SK3078A

Q213 SMT DIGITAL TRANSISTOR EMT3 1 DTA114EE

Q214 SMT FET PLD 1 RD07

Q216 SMT FET TO500 1 MRF7042

Q217-Q218 SMT FET SOT-323 2 2SK1875

Q219 SMT FET SOT-523 1 2SJ243

Q220 SMT TRANSISTOR SOT-89 1 2SC3357


Q223 SMT TRANSISTOR SOT-523 1 2SA1832


Q225 SMT DIGITAL TRANSISTOR EMT3 1 NOUSE



U100 SMT IC TO-220 1 MC7808

U101 SMT IC TO-92 1 MC78L05

U200 SMT IC SSOP16 1 TA31136F

U201 SMT IC TO-92 1 MC78L05


U203 SMT IC TO-220 1 KIA278R06PI

JT220M

18



U205 SMT IC SSOP20 1 LMX1511TM

U500 SMT IC SOP16 1 MC33111

U501-U504 SMT IC SSOP14 4 NJM2902

U505 SMT IC SSOP24 1 M62364F

U506 SMT IC SIP10F 1 LA4600

U800 SMT IC SSOP16 1 NOUSE

L200 SMT CAPACITOR 0805 1 4P±0.1P 50V

L201 SMT WIRE WOUND INDUCTOR 0805 1 560NH


L203 SMT SMALL FIXED INDUCTOR 0603 1 NOUSE

L204-L207 SMT AIR-CORE COIL 4 0.35×1.4×6T

L208 SMT CAPACITOR 0805 1 2P±0.1P 50V

L209 SMT RESISTOR 0805 1 0R±5%

L210-L211 SMT SMALL FIXED INDUCTOR 0603 1 47NH


L213-L214 SMT WIRE WOUND INDUCTOR 0805 2 NOUSE



L218 SMT WIRE WOUND INDUCTOR 0603 1 8.2NH

L219 SMT WIRE WOUND INDUCTOR 0603 1 6.8NH

L220 SMT AIR-CORE COIL 1 0.5×1.8×3T

L221 SMT RESISTOR 0805 1 0R±5%

L222 AIR-CORE COIL 1 0.8×3.5×5.5T

L223 SMT WIRE WOUND INDUCTOR 0805 1 NOUSE

L224 AIR-CORE COIL 1 SHOT

L225 AIR-CORE COIL 1 0.8×2.9×1.5T

L226 AIR-CORE COIL 1 0.6×2.5×5.5T

L227-L229 AIR-CORE COIL 3 0.8×3.3×3.5T

JT220M

19


L230-L231 SMT WIRE WOUND INDUCTOR 0805 2 NOUSE

L232 SMT AIR-CORE COIL 1 NOUSE

L233-L234 SMT SMALL FIXED INDUCTOR 0603 2 10uH


L236-L237 SMT WIRE WOUND INDUCTOR 0603 2 100NH

L238 SMT SMALL FIXED INDUCTOR 0603 1 10uH



L244 SMT SMALL FIXED INDUCTOR (BLOVE) 2520 1 10uH

L245-L246 AIR-CORE COIL 2 0.5×3×9.5T


L248 SMT SMALL FIXED INDUCTOR 0603 1 27NH


L251-L252 SMT SMALL FIXED INDUCTOR 0603 2 560NH

CB200 CERAMIC FILTER 1 C24

CF200 CERAMIC FILTER 1 CFW450G

CF201 CERAMIC FILTER 1 CFW450F

CV200-CV201 CERAMIC TRIMMER CAPVAR3 2 3-10P

J500 FLAT CABLE CONNECTOR (Erection type) SIPM32 1 0.5S-1-32PB

J501 MIC SOCKET 3.5mm SD-3.5A 1 PHONE-DC

J502 JACK 1 SP JACK

J503 JACK 1 CON6

LS500 SPEAKER 1 SPK-8R-56

X200 SMT TCXO 1 19.200MHz

XF200-XF201 SMT CRYSTAL FILTER 2 38.5MHz

VR200 SMT VARIOUS RESISTOR VER2×3 1 47K±5%

VR500 SMT VARIOUS RESISTOR VER2×3 1 47K±5%

F100 SMT RESISTOR 1206 1 0R

JT220M

PC board views

PC board views

JT220M

JT220M

C296

6P(B) Q2072SC4226(R24)R223

22K

R30447K

R2391K

R243

100RC274102P

L21047NH

C255102P

C371

56P

R3002K2

R21415K

R258100K

R240

100R

R33210R C277

102PC276102P

C3583P(B)

C330471P

R31522R

L21239NH-X

C260102P

C357

6P(B)

G1

D2

S3

Q212

2SK3078A(UW)R33347R

R334

51K

R33733R

R20115K

C278102P

L21533NH-X

L21630T

C210103P

C322

27PC317NOUSE

C32524P

C29316P

G1

D2

S3

Q214

RD07

8T

C259102P

C236104P

C209103P

L220

0.5X1.8X3T(17.5NH)C264102P

C374

221PFC354121P

G1

D2

S3

Q216

MRF7042

C36982PF

C37068PF

R233

470R

R3354K7

R3361K5C335

471PR301220R

R3054K7

C281471P

L222H0.8X3.5X5.5T(9mm)

C345NOUSE

C310NOUSE

C311NOUSE

C346NOUSE

C382101PF

C268

102PF

R245

100R

L226H0.6X2.5X5.5T

C3848PF

L227

H0.8X3.3X3.5T

C393

1P(B)

C312

1P(B)

X1

Y2

P200RCA

L228

H0.8X3.3X3.5T

C338471P

C337471P

R22622K

R22722K

C215103P

C212103P E204

47uF/25V/H

C267102P

C381474P

SB

3

21

84

U204A

LM2904V5

67

U204B

LM2904V

VR20047KR202

3K9

C285102PR234

470R

R339

470K

R30747K

R2711K

R341

15KC336471P

C400

0P5(B)

C401

0P5(B)

D225

1SS355

R327330R

R274220R

C244

104P

R338

270R

C245104P

8T

D2298.2V

C282102P

C279102P

C243104P

TP202POINT

TP201POINT

11

22

33

D230MA742

11

22

33

D231MA742

C329471P

C211103P

C262102P

R259100K

C240104P

C263

24P

R2651K

R320

68R

R314

18R

C3638PF

C3616PF

C387NOUSE

C383101PF

C38512PF

C313

NOUSE

L224

SHOT

L225

0.8X2.9X1.5T

D212

NOUSEL245H0.5X3X9.5T

C222103PC284

102P

C270

102PFC34915PF

L229

H0.8X3.3X3.5T

C35015PF

C314NOUSE

C32312PF

L246H0.5X3X9.5T

C221103P

8T

R328

NOUE

Q225NOUSE

t

RT200NOUSE

SBE

C226NOUE

R325

68RC380681PL219

6N8H-X

L218

8N2H-XR312270R

R311270R

C258101P

R2641K

11

22

33

D203

DAN235E

D213NOUSE

D210

L407CDB

C216

R0R297NOUSE

11

22

33

D204

471P

R298

NOUSEC391

NOUSEL231

NOUSE

L230

NOUSE

L214

NOUSE

L213

NOUSEC395NOUSE

C392NOUSE

C348

NOUSE

C390

NOUSEC389NOUSE

C388NOUSE

Q208

NOUSE

R329NOUSE

L223

NOUSE

R232

NOUSE

R241

NOUSE

D202

R0

C213103P

C214NOUSE

C351

12P C39610P

C3603P6(B)

C299

1P(B)

C3045P(B)

C3036P(B)

C3555P(B)

C298

2P(B) C34316P

R299NOUSE

R253100K

R238150R

R25039K

R252100K

R21227K

R30347K

R237

100R

11

22

L2070.35X1.4X6T

L2060.35X1.4X6T

C34416P

C35916P

G11

G22

D3

S4

Q206

3SK318

C253103P

C254102P

L2050.35X1.4X6T

C252102P

D207HVC350 D208

HVC350D206HVC350

R3021K

C3415P(B)

R249100K

L2040.35X1.4X6T

C342

16P

D205HVC350

R248

100K

G11

G22

D3

S4

Q205

3SK318

R294NOUSE

C207103P

C205103P

C206103P

R293NOUSE

VAM

VFM

VFM

C326471P

R211330K

R277470K

R291330K

R276

470K

R275

NOUSE

R29047R

C249102P

L202

270NH-X

C251102P

C321

22P

C289

82P

C309NOUSE

R272

220R

R262680RR247

100K

C202103P

R261

680R

XF20038.85MHz

XF20138.85MHz

C30212P(C)

C3072P(B)

C2972P(B)

C203

103P

C378

33P R236

100R

R3193K3

C373

181P

C372

181P

C379

68P

C225

103P

R231470R

R263

1K

C201103P

C367

10P(C)

Q204

2SC4215

8R

8R

R296

180K

R251100K

R266

NOUSE

R30947K

R2952K2

R229820R

R254100K

E2020.22uF/35V

R317470K

R217

100K

R215

10K

R20910K

R213

10K

C248

104P

C339471P

C232104P

C271102P

C272102P

C273102P

C269

102P

R260

100K

C320103PR286

100K

C291

NOUSE

C295NOUSE Y200

NOUSE

C208103P

E20047uF/25V

C235104P

8R

Vout1

Vss

2

Vin3

U201MC78L05 VIF

VIF

C230104P

C229104P

CB200C24(450K)

VIF

D2241SS355

Q2202SC3357(RF)

CLK11

OSC IN1

FIN10

DATA13

LE14

FC15

PWDN19

DO6

LD8

OSC OUT3

BISW16

FOUT17

PMPp18

PMPr20

NC2

NC9

NC12

VP

4V

CC

5

GN

D7

U205

LMX1511TM(20)

L209

R0

C3627P(C)

C256102P

8C

C352

12P

D3

G2

S1

Q217

2SK1875

C3865P(B)

C4023P(B)

C398

0P5(B)

C4030P75(B)

C3943P(B)

C290

24PC3569P(B)

C224103P

B12

E11

C15

C24

E23

Q201

UMC4N

L233

10uH

L23533NH-X

L21147NH

11

22

L236100NH

11

22

L237

100NH

R326470R

R31622R

R322

NOUSE

R30847K

R244

100R

R331

120K

R242100R

R282

R0

C218103P

CV2003-10P

D221NOUSE

D217

JDV2S14E(FH)

C3244P(B)

D3

G2

S1

Q218

2SK1875

C3065P(B)

C3053P(B)

C3990P5(B)

C404

22P

L234

10uH

L24722NH-X

L239220NH

L238

10uH

R313470R

R246100R

C223103P CV201

3-10P

D222NOUSE

D218

NOUSE

Q2092SC4226(R24)

VCO

C332471P

L240271T

L243

271T

L242

271T

Q2212SC1623

E20533uF/10V

R2924K7C333

471P

D226

MA2S111C334471P

VCO

D2321SV214(T1)

VCO

8C

Q2102SC4226(R24)

R230

1K

TP203CV

R21910K

R267330R

E211

4.7uF/16V

R321

1K

R342

1K

E2120.1uF/35V

E2090.22uF/35V

Q224

2SC4738(GR)

Q223

2SA1832(GR)

C316471PR280

10K

R289

12K

R281

10K

R28810K

R30647K

D228

5.1V

C280102P

8C

C219103P

E20610uF/10V

C220103P

L241271T

5C

D227

MA2S111

C200103P

C287

102P

C36510P

C36410P

R2285K6

L248

27NH

E20810uF/10V

XOUT3

GND2

VC1

VCC4

X200

19.200MHz(NKG3140B-5*3.2)

L244

10uH-XL

R235

470R

R273

220R

R330220K

C300

2P(B)

C301

2P(B)

C340471P

8C

R255100K

C242104P

C283102P

E20710uF/10V

C241104P

PLL CLOCK LINE

PLL DATA LINE

PLL STB ENABLE

PLL LD LINE

DET

SQUELCH DET

MOD-AUDIO

PC/TV

MOD-SUB

R268

1KR269

1KR270

1K

Q203DTA114YE

11

22

33

D201DAN235E

11

22

33

D200DAN235E C233

104P

R20510K

R20710K

R20810K

R20610K

C234104P

C228104P

C227104P

WIDE/NARROW

R210

10K

R20410K

R200

15K

RSSI

RX/TX

C217

471P

C327

R0

8R C36847NH

L2004P(B)

C250102P

C204103P

R2033K3

C288102P

C246104P

FREQ-CONT

TP200POINT

WIDE/NARROWSWITCH

NARROW

WIDE

FM DEMODULATION

IF AMP

MIXERAM/FM

SWITCH

FM RF AMP

AM RF AMP

AM/FMSWITCH

ANT SWITCH

APC VOLTAGEDETECTOR

APC CONTROLLER

PC/TVSWTEMPERATUREPROTECTION

SWITCH

FINAL AMP

DRIVE AMP

DRIVE STAGE

RF SWITCHRF AMP

RX VCO

TX VCO

BUFAMP

MODULATION

FREQCONTROL

R/T SW

LIPPLEFILTER

CHARGE PUMP

PLL SYNTHESIZERRF AMP

TXCO

C34710PF

C257102P

C331471P

D214NOUSE

R256100K

R257

300K

B12

E11

C15

C24

E23

Q200

UMC4N

C318NOUSE

C319NOUSE

C294NOUSEC353

12P

C375101P

C376101P

C377101P

G1

D2

S3

Q2192SJ243

R283

NOUSE

8T

L221

R0(0805)

R27847K

C328

471P

R340270K

E203100uF/16V/H

D223JDV2S14E(FH)

D219

JDV2S14E(FH)

D216

NOUSE

D220JDV2S14E(FH)

C275102P

C397

9P(C)

R279

NOUSEC315NOUSE

D215NOUSE

11

22

L232NOUSE

L208

2P(B)

C308NOUSE

L203

NOUSE

L201560NH-X

C238104P

VFM

C286104P

C265

102P

L21730T

AF/SQ

R31047K

R22422K

Q213DTA114EE

C237104P

VIF

5C

TEMP

11

33

22

CF200CFW450G(TOKO)

11

33

22

CF201CFW450E(TOKO)

C292NOUSE

R220

10K

C36610P

B1

2

E1

1C

15

C2

4E

23

Q202NOUSE

SBE

8T

3

21

84

U202A

LM2904V

5

67

U202B

LM2904V

R218

100K

R323

18K

R287NOUSE

E210221P(1206)

8R

D211

L407CDB

R21610K

D234

121P(0805)

D233121P(0805)

L250271T

L249

271T

TP204

RF

TP2051ST

R284NOUSE

R3441K8

C41147P

Q2112SC4215

R343330K

C40518P

R285100R

C4082P(B)

L251560NH

L252560NH

C406103P

C40727P

C40930P

C41047P

VIF

R345NOUSE

OS

CIN

1

OS

CO

UT

2

MIX

OU

T3

VC

C4

IFIN

5

DE

C6

FIL

OU

T7

FIL

IN8

AF

OU

T9

QU

AD

10

IFO

UT

11

RS

SI1

2

N-D

ET

13

N-R

EC

14

GN

D1

5

MIX

IN1

6

U200TA31136FN

VIF

C231

NOUSE

Vout2

GN

D3

Vin1

CE4

U203KIA278R06PI

R222

NOUSE

R2211K

8T

VOLTAGEREGULATOR

VOLTAGEREGULATOR

SCHEMATIC DIAGRAM

JT220M

R50610K

R580

22K

R579715K-1%

C555152P(J)

R50847K

C539224P(J)

R563

470K

R507

3K3

C53139P

R57125K5-1%

R52120K

R57611K5-1%

C554272P(J)

R577150K-1%

C503103P

C521

104P

R57415K8-1%

R5725K11-1%

C553473P(J)

E512

10uF/10V

R530100K

C541393P(J)

R573634K-1%

C537391P R564

390K

R57529K4-1%

C540222P(J)

R5784K22-1%

R566

56K

C522104P(J)R528

100K

R516

1K

R570

68K

C556

102P(J)

R527

100K

R5531M

R581

39K

R56539K

R531

100K

C517104P

C516104P

R569

12K

C501103P

R562

33K

R547

20K

DET

C542

103P(J)

C543

103P(J)

C544

103P(J)

C545

103P(J)

C546

103P(J)

C547

103P(J)

C548

103P(J)

C549

103P(J)

C550

103P(J)

C538

273P(J)

C519104P

R532

100K

R5521M

E503

1uF/16V

C523

104P

SUBO

SUBB

E506

1uF/16V

5C5C

5C

E5051uF/16V

E51410uF/10V

VB

VBVB

VBVB

VB

R518

10K

C561

47P

E509

1uF/16V

C526

104P

R50947K

C560

102P(J)

R510

47K

11

22

33

D501

1SS372

R560

18K

R583

100K

C525104P

E5222.2uF/10V

R500

470R

5CR558R0

E508

1uF/16V

R568

56K

R557R0

VB

R561

120KC532

33P

R584

9K1

R5501K

E502

1uF/16V

C524

104PR539100K

R538

100K

R582680K

VB

C559681P(J)

R537

100K

R536

100K

C558

332P(J)

C52782P

R519

2K

C518

104P

R523

1K5

5C

C502103P

R533

100K

R534

100K

R535

100K

R567

120K

C536

391P

VB

SQUELCH DET

MOD-AUDIO

MOD-SUB

Vin11

Vout12

Vout23

Vin24

VDD5

LD6

CLK7

DI8

Vin39

Vout310

Vout411

vin412

vin513

Vout514

Vout615

Vin616

DO17

VDAref18

RESET19

GND20

Vin721

Vout722

Vout823

Vin824

U505

M62364F

FREQ-CONT

C507103P

C505103PE516

4.7uF/6.3V

E51510uF/10V

R517

1K

R515

1K

R544NOUSE

C506103P

Q5022SC4181

D502DAN222

C552

104P

5C

5CC504103P

AFWN

SQL

DTMF-DET

AFM

E507

1uF/16V

E518

563P(1206)

AFWN

AF-IN

AF-INMODAO

MODAOMODBO

MODBO

SUB

MODAI

MODAIFRQO

FRQO

AM-SW

WIDE/NARROWRSSI

RX/TX

PLL CLOCK LINEPLL DATA LINE

PLL STB ENABLEPLL LD LINE

PC/TVPC/TVO

PC/TVO

ELD

CLK

DAT

SUB

DTMF

C557

105P

R520

1K

VLO

MICM

MICO

MICO

BB

CC

EE

Q500DTC144EE

SBE

C509103P

LS500

SPK-8R-56

E521330uF/25V-10*16

A1

B2

C3

J502

PHONEJACK

VLO

C508103P

123456789

1011121314151617181920212223242526272829303132

J500

MA

ININ

TE

RFA

CE

(0.5

S-1

-32

PB)

W/NRSSIAIRRX/TX

CLKDATSTBPLD

MICI

MICI

SQL

RSSI

MICM

RXC

AFM

DTMF-DET

SPM

STB

CLK

DATELD

PLD

AIRRX/TX

W/N

TXC

DTMF

SUBO

SUBB

8RX-CONTROL

8TX-CONTROL

AM/FM-CONTROL

SUB

RXC

AIR

TXC

C551103P(J)

C530NOUSE R522

22K

C515102P

SPLATTERFILTER

AGC/MICMUTE

MICAMP/IDC

AUDIO AMP

DIGITALPOTENTIOMETER

BUFFER AMP

CTCSS/DCSLPFFILTER

AUDIO/HPFFILTER

AUDIO/LPFFILTER

REFERENCEVOLTAGE

1A

2A2B

2C2D

1B

1C

1D

3A

3B

3C

3D

4A

4B

4C4D

3

21

41

1

U501A

NJM2902

5

67

U501B

NJM2902 12

1314

U502D

NJM2902

10

98

U502C

NJM2902

10

98

U501C

NJM2902

12

1314

U501D

NJM2902

3

21

41

1

U502A

NJM2902

5

67

U503B

NJM2902

5

67

U502B

NJM2902

3

21

41

1

U503A

NJM2902

12

1314

U503D

NJM2902

10

98

U503C

NJM2902

3

21

41

1

U504A

NJM2902

5

67

U504B

NJM2902

10

98

U504C

NJM2902

12

1314

U504D

NJM2902

MICG

A1

IN7

A2

IN9

CM

PR

SIN

3

CM

UT

E4

EM

UT

E1

2

EX

PIN

14

PT

8

A1

OU

T6

A2

OU

T1

0

CM

PR

S2

EX

PO

UT

15

CM

PR

SF

ILT

5

EX

PF

ILT

11

NC

13

VC

C1

6G

ND

1

U500MC33111

R511

1K

R512

1K

R524100R

R554

R0

E51010uF/10V

5C

C500103P

E5001uF/16V

AUD

VLI

R525100K

R526100K

R5018K2

E504

1uF/16V

VLI

C510102P

AUD

C511102P

PASS

R556

R0

C562333P

CMIC

CMIC

VB

E5011uF/16V

R513

1K

MICM

R529100K

C520104P

C512102P

R555

R0

C535474P(J)

C534474P

COPMANDER

CMI

CMI

PASS

DTMF

BUFFER AMP

E513

10uF/10V

VB

FB

ACS

ACS

OPK

OPK

8C 5C

C513102P

A1

C3

B2

J501

PHONE-DC

R505

10K

PST

PSTPOWER-CONTROL

R503

10K

CH

1-O

UT

1

PO

WE

RG

ND

2

CH

2-O

UT

3

VC

C4

FIL

TE

R5

P.P

6

ST

AN

DB

Y7

CH

2-I

N8

PR

EG

ND

9

CH

1-I

N1

0

U506LA4600

5C

E52010uF/16V

E5194.7uF/16V

R585

8K2

SPM

E511

10uF/10V

R514

1K

C533

681P

AF/SQ

R5513K9

R548

2K2

R5492K2

TEMP

R541

1K

11

22

33

D500

NOUSE

R540

NOUSE

R542NOUSE

C528NOUSE

R543NOUSE

C529NOUSE

R502

10K

E517

2.2uF/16V

AFWN

R559R0

R54530K

R54622K

R504

10K

E5232.2uF/16V

RX-IN

RX-OUT

TX-IN

TX-OUT

R586

10K

C564

104P

RX-A

123456

J503

CON6

5C

RX-AR587

560R

C563103P

PTT

TX-AAFM

R589

56K

C565

104P

TX-A

PTT

VR50047K

SCHEMATIC DIAGRAM

JT220M

B12

E11

C15

C24

E23

Q107

UMC4N

B12

E11

C15

C24

E23

Q106

UMC4N

8C

Vin1

GN

D2

+8V3

MC7808

E10247uF/25V

C102103P

C101103P

SBE

C103103P

E10447uF/25VC111

104P

5C

Vout1

Vss

2

Vin3

MC78L05

C106102P

SB 2SB1386

R1014K7

R100470R

Q103DTC114EU

C104103P

8T

C109102P

C107102P

C108102P

D100ZSA5A27

E100470uF/25V-10*16

C105102P

C100103P

C110104P

Q1012SB624

R10447K

R1033K3

Q108DTC114EE

8RQ1022SB1132

R10547K

R1061K

Q104DTC114EU

E10547uF/25V

VFM

C112104P

VAM

C113104P

FB

P101

GND

P100

MAIN+DC13.8V

Q105

DTC144EE

R10210K

F100

R0

VOLTAGE

DC SWITCHDC SWITCH

REGULATOR

VOLTAGEREGULATOR

CURRENTPROTECTION

E101470uF/25V-10*16

E10347uF/25V

PLL CLOCK LINEPLL DATA LINEPLL STB ENABLEPLL LD LINEDETSQUELCH DETMOD-AUDIOAM-SWPC/TVMOD-SUBWIDE/NARROWRSSIRX/TXFREQ-CONTAF/SQTEMP

QX5188VHF-RFQX5188VHF-RF.Sch

PLL CLOCK LINEPLL DATA LINEPLL STB ENABLEPLL LD LINEDETSQUELCH DETMOD-AUDIOAM-SWPC/TVMOD-SUBWIDE/NARROWRSSIRX/TXFREQ-CONTAF/SQTEMP

DETSQUELCH DET

MOD-AUDIO

MOD-SUB

FREQ-CONT

AM-SW

WIDE/NARROWRSSI

RX/TX



PC/TV

8RX-CONTROL

8TX-CONTROL

AM/FM-CONTROL

POWER-CONTROL

AF/SQTEMP

RX-INRX-OUTTX-INTX-OUT

QX5188-AFQX5188-AF.Sch

DETSQUELCH DET

MOD-AUDIO

MOD-SUB

FREQ-CONT

AM-SW

WIDE/NARROWRSSI

RX/TX



PC/TV

8RX-CONTROL

8TX-CONTROL

AM/FM-CONTROL

POWER-CONTROL

AF/SQTEMP

RX-INRX-OUTTX-INTX-OUT

RX-INRX-OUT

TX-INTX-OUT

CTRL

QX5188-SCRAMBLERQX5188-SCRAMBLER.Sch

RX-INRX-OUT

TX-INTX-OUT

CTRL

SCHEMATIC DIAGRAM

JT220M

C21103P

E247uF/10V

C1104P

5M

123456789

1011121314151617181920212223242526272829303132

J1

MA

ININ

TE

RFA

CE

(0.5

S-1

X-3

2PW

B)

MICGMICI

C29103P

C4022PC51

10P

Y2

7.3728MHz

S3

ENCODER(ED097120-FB 15A7.0-C10-200)C26103P

C25103P

R3947K

R3847K

Vout1

GN

D2

VCC3

U5S7133SF

R69

100K

C6104P

5M

Q52SC1623

R59

470K

R55

470R

R54

100R

R564K7

R13

1K

R6356R

R4047K

C12

102P

C24102P

C23103P

C28103P

C27103P

C4104P

C19102P

C22103P

5C

E347uF/10V

C3104P

L4

271T

5M

5M

E447uF/10V

L5

271T C32105P

5M

Q2DTC114EE

D3

orange

Q1DTC114EE

FBFB 8C 5C

MICG

MICIR6456R

R49

470R

R2710K

R1

1K

R12

1K R14

1K

R48

12K

R16

1K

R15

1K

R3

1K

C18102P

C11

102P

C20102P

C7102P

C48NOUSE

C8102P

Q62SC1623

Q72SD468

5M

L1271T

L2271T

L3271T

D15V1

R4712K

R3747K

FB

D25V1

R6233K

R30

10K

ACS

11

33

W2

W1

10K(RO9512NO-FB15A7.0-B103-005)

5C

S4V/M

S5MHz

S6TSQ

S7CALL

S8SQL

S1POWER

S2FUNC

MICM

SQL

RXC

RSSI

AFM

SPM

STB

SUBCLK

DTMF

DAT

PLD

ELD

W/N\

RX/T\X\AIR

TXC

SUBB

PASS

SUBO

R58

4K7

R57

2K2C36273P

C35273P

DTMF-DET

MIC

VOLTAGEDETECTOR

(RESET)

CPU

LCDDRIVER

DC SWITCH

LCD BACKLIGHT

DIMMERFUNCTIONSWITCH

MICAMP

ADJUASTMENT

VOLUMEADJUASTMENT

MENU

SEG26/P521

SEG27/P532

SEG28/P543

SEG29/P554

SEG30/P565

SEG31/P576

TBPWM/P307

TAPWM/TAOUT/P318

TACLK/P329

TACAP/SDAT/P3310

SCLK/P3411

VDD12

VSS13

XOUT14

XIN15

TEST16

XTIN17

XTOUT18

nRESET19

INT0/P0020

INT1/P0121

INT2/P0222

INT3/P0323

INT4/P0424

INT

5/P0

52

5

INT

6/P0

62

6

INT

7/P0

72

7

T1

CA

P/P1

02

8

T1

CL

K/P

112

9

T1

PWM

/T1

OU

T/P

12

30

P13

31

BU

Z/P

14

32

SO

/P1

53

3

SC

K/P

16

34

SI/

P17

35

AD

C0

/P2

03

6

AD

C1

/P2

13

7

AD

C2

/P2

23

8

AD

C3

/P2

33

9

AD

C4

/P2

44

0

ADC5/P2541

ADC6/P2642

ADC7/VLDREF/P2743

AVREF44

AVSS45

CB46

CA47

VLC048

VLC149

VLC250

COM051

COM152

COM253

COM354

SEG055

SEG156

SEG257

SEG358

SEG459

SEG560

SEG661

SEG762

SEG863

SEG964

SE

G10

65

SE

G11

66

SE

G12

67

SE

G13

68

SE

G14

69

SE

G15

70

SE

G16

/P4

07

1S

EG

17/P

41

72

SE

G18

/P4

27

3S

EG

19/P

43

74

SE

G20

/P4

47

5S

EG

21/P

45

76

SE

G22

/P4

67

7S

EG

23/P

47

78

SE

G24

/P5

07

9S

EG

25/P

51

80

U2

S3P8249(QFP)

CS1

RD2

WR3

DATA4

VSS5

OSCO6

OSCI7

VLCD8

VDD9

IRQ10

BZ11

BZ12

CO

M0

13

CO

M1

14

CO

M2

15

CO

M3

16

SE

G31

17

SE

G30

18

SE

G29

19

SE

G28

20

SE

G27

21

SE

G26

22

SE

G25

23

SE

G24

24

SEG2325

SEG2226

SEG2127

SEG2028

SEG1929

SEG1830

SEG1731

SEG1632

SEG1533

SEG1434

SEG1335

SEG1236

SE

G11

37

SE

G10

38

SE

G9

39

SE

G8

40

ES

G7

41

SE

G6

42

SE

G5

43

SE

G4

44

SE

G3

45

SE

G2

46

SE

G1

47

SE

G0

48

U3

HT1621M

C31105P

R42

47K

R43

47K

R44

47K

R41

47K

L6

271T

Q4DTC144EE

C3922P

R6

1K

5M

5M

VLC0VLC1VLC2

VLC0VLC1VLC2

UR

X

R68

100K

CO

M0

CO

M1

CO

M2

CO

M3

SE

G0

SE

G0

SE

G1

SE

G2

SE

G3

SE

G4

SE

G5

SE

G6

SE

G7

SE

G8

SE

G9

SE

G10

SE

G11

SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23

SEG24

P01

P02

P03

P04

P05

P06

P07

P02

P03

P07

R71

24K

R46

47K

R70

100K

R45

47K

5MP20

P21

P22

P23

P24

P25

P26

P27

R7

1K

P21

P22

P23

P24

P25

P26

P55

P10

P11

P12

P13

P14

UT

XP

16

P12

CTCSS

SIN

TONE

P13

P16

P32P33P34

P32

P40P41P42P43P44P45P46P47

P40

P41

P42

P43

P44

P45P46

P47

COM0COM1COM2COM3

P50P51

P52P53P54P55P56P57

P50

P56P57

P51

P52

P53P54

12345678

J3

HAND MIC INTERFACE

C34

473P

R3210K

MICG

R41K

R5

1K

R101K

R65

1K

R11

1K

C13102P

C33473P

5C

C16102P

C47NOUSE

R91K

C15102P

R3110K

R3310K

5M

A1

B2

C3

J2

PHONEJACK STEREO

MIC

PTT

DO

WN

UP

R668K2

UART PART

URX

URX

P01

P10

P11

UTX

SEG25SEG26SEG27

POWER LED

D9orange

R51

470R

TX LED

Q3DTC144EE

P47

PST

P04

CS1

OSC OUT2

OSC IN3

GND4

CLK5

DI6

TONE7

VCC8

U4

HT9200AY13.58MHz

C42

20P

C43

20P

5M C5

104P

P14

P56P57

P31

DTMFENCODER

SE

G1

SE

G2

SE

G3

SE

G4

SE

G5

SE

G6

SE

G7

SE

G8

SE

G9

SE

G10

SE

G11

SE

G12

SE

G13

SE

G14

SE

G15

SE

G16

SE

G17

SE

G18

SE

G19

SE

G20

SE

G21

SE

G22

SE

G23

SE

G24

SE

G25

SE

G26

SE

G27

SE

G28

SE

G29

SE

G30

SE

G31

SE

G32

SE

G33

SE

G34

SE

G35

SE

G36

SE

G37

C0

M4

C0

M5

C0

M6

C0

M7

C0M4C0M5C0M6C0M7SEG28SEG29SEG30SEG31SEG32SEG33SEG34SEG35SEG36SEG37

C9102P

R28

10KC10102P

R29

10K

P05P06

C17102P

R35

10K

C14102P

11

22

33

D14DA221

11

22

33

D13DA221

5M

11

22

33

D10

DA221

11

22

33

D11

DA221

11

22

33

D12

DA221

5M

R6022K

C2104P

R20

1K

R36220K

Vout3

Vss

1

Vin2

U1HT7550-1

E122uF/25V

PTT

CE01

CE12

CE23

GN

D4

SDA5

SCL6

MODE7

VC

C8

U6

AT24C64RM(8)

R34

10K

EEPROM

C30103P

C38103P

C37225P

R61

56K

R67

39K

C44473P

5M

C49

225P

C50104P

R21

51K

C46

182P

R22

33K

DTMF-DET

P33

P34

12

J4

NOUSE/10K

R8

24K

3

21

84

U8A

LM2904V

5

67

U8B

LM2904V

5M

COM1

INH2

VEE3

VSS4

A5

CH06

CH17

VDD8

U7

TC4W53FU

SIN

CTCSS

P31

P27

R222K

R1733K

TONE

R182K2

C41

121P

CO

M0

1

CO

M1

2

CO

M2

3

CO

M3

4

CO

M4

43

CO

M5

44

CO

M6

45

CO

M7

46

SE

G27

5

SE

G26

6

SE

G25

7

SE

G24

8

SE

G23

9

SE

G22

10

SE

G21

11

SE

G20

12

SE

G19

13

SE

G18

14

SE

G17

15

SE

G16

16

SE

G15

17

SE

G14

18

SE

G13

19

SE

G12

20

SE

G11

21

SE

G10

22

SE

G9

23

SE

G8

24

SE

G7

25

SE

G6

26

SE

G5

27

SE

G4

28

SE

G3

29

SE

G2

30

SE

G1

31

SE

G0

32

SE

G37

33

SE

G36

34

SE

G35

35

SE

G34

36

SE

G33

37

SE

G32

38

SE

G31

39

SE

G30

40

SE

G29

41

SE

G28

42

DS1LCD-5189W(GDH-706W)

R53220R

8C

D5BL(BLUE)

SCHEMATIC DIAGRAM

Jetstream JT220M Service Manual

Documents

Transcript of Jetstream JT220M Service Manual