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SERVICE MANUAL MICROFILM STR-VX500 E Model FM STEREO/FM-AM RECEIVER SPECIFICATIONS This set is the tuner and amplifier section in MHC-VX500. Amplifier section The following measured at AC 120, 220, 240V 50/60 Hz DIN power output (Rated) (FRONT) 120 + 120W (6 at 1kHz DIN) Continuous RMS power output (Reference) FRONT SPEAKER: 150 + 150W (6 at 1kHz, 10% THD) Inputs MD/VIDEO 1 IN (phono jacks): voltage 450/250mV, impedance 47kAV INPUT AUDIO (phono jacks): voltage 250mV, impedance 47kMIX MIC 1/2 (phone jack): sensitivity 1mV, impedance 10kOutput MD/VIDEO 1 OUT (phono jacks): voltage 450/250mV, impedance 1kPHONES (stereo phone jack): accepts headphones of 8or more. FRONT SPEAKER: accepts impedance of 6 to 16REAR SPEAKER: accepts impedance of 16SUPER WOOFER: Voltage 1V, impedance 1kTuner section FM stereo, FM/AM superheterodyne tuner FM tuner section Tuning range 87.5 – 108.0MHz Antenna terminals 75unbalanced Intermediate frequency 10.7MHz AM tuner section Tuning range MW: 531 – 1,602kHz (with the MW tuning interval set at 9kHz) 530 – 1,710kHz (with the MW tuning interval set at 10kHz) SW: 5.95 – 17.90MHz (with the SW tuning interval set at 5kHz) Intermediate frequency 450kHz Antenna AM loop antenna External antenna terminal General Power requirements 120V, 220V or 230 – 240V AC, 50/60Hz Adjustable with voltage selector Power consumption 290W Dimensions (w/h/d) Approx. 288 × 205 × 375mm Mass Approx. 8.6kg Design and specifications are subject to change without notice.

Transcript of STR-VX500sportsbil.com/sony/STR/STR-V/STR-VX500.pdf · vol vca vca p b p b vca vca vca vca vca vca...

Page 1: STR-VX500sportsbil.com/sony/STR/STR-V/STR-VX500.pdf · vol vca vca p b p b vca vca vca vca vca vca iev noise gen noise filter bpf control ch control bpf v ref strim s mode rect rect

SERVICE MANUAL

MICROFILM

STR-VX500E Model

FM STEREO/FM-AM RECEIVER

SPECIFICATIONS

This set is the tuner and amplifiersection in MHC-VX500.

Amplifier sectionThe following measured at AC 120, 220, 240V 50/60 HzDIN power output (Rated) (FRONT)

120 + 120W (6 Ω at 1kHz DIN)Continuous RMS power output (Reference)

FRONT SPEAKER: 150 + 150W(6 Ω at 1kHz, 10% THD)

Inputs MD/VIDEO 1 IN (phono jacks): voltage450/250mV, impedance 47kΩAV INPUT AUDIO (phono jacks): voltage250mV, impedance 47kΩMIX MIC 1/2 (phone jack): sensitivity 1mV,impedance 10kΩ

Output MD/VIDEO 1 OUT (phono jacks): voltage450/250mV, impedance 1kΩPHONES (stereo phone jack): acceptsheadphones of 8Ω or more.FRONT SPEAKER:accepts impedance of 6 to 16ΩREAR SPEAKER:accepts impedance of 16ΩSUPER WOOFER:Voltage 1V, impedance 1kΩ

Tuner sectionFM stereo, FM/AM superheterodyne tuner

FM tuner sectionTuning range 87.5 – 108.0MHzAntenna terminals 75Ω unbalancedIntermediate frequency 10.7MHz

AM tuner sectionTuning range MW: 531 – 1,602kHz (with the MW tuning

interval set at 9kHz)530 – 1,710kHz (with the MW tuninginterval set at 10kHz)SW: 5.95 – 17.90MHz (with the SW tuninginterval set at 5kHz)

Intermediate frequency 450kHzAntenna AM loop antenna External antenna terminal

GeneralPower requirements 120V, 220V or 230 – 240V AC, 50/60Hz

Adjustable with voltage selectorPower consumption 290WDimensions (w/h/d) Approx. 288 × 205 × 375mmMass Approx. 8.6kg

Design and specifications are subject to change without notice.

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STR-VX500

1414

4-4. SCHEMATIC DIAGRAM MAIN (1/2) SECTION • Refer to page 27 for IC Block Diagrams.

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STR-VX500

1515

4-5. SCHEMATIC DIAGRAM MAIN (2/2) SECTION • Refer to page 13 for Printed Wiring Board.• Refer to page 27 for IC Block Diagrams.

0.8

0.1

Q854BN1F4M

Q8552SC2958LRELAY SWITCH

R85722k

0

The components identified by mark ! or dottedline with mark ! are critical for safety.Replace only with part number specified.

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STR-VX500

1616

4-6. SCHEMATIC DIAGRAM POWER AMP SECTION

The components identified by mark ! or dottedline with mark ! are critical for safety.Replace only with part number specified.

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STR-VX500

1818

4-8. SCHEMATIC DIAGRAM DISPLAY SECTION • Refer to page 28 for IC Block Diagrams.• Refer to page 12 for Waveform.

EA MODEL

MY,SP,IA,HK MODEL

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STR-VX500

2020

4-10. SCHEMATIC DIAGRAM SLIDING PANEL SECTION • Refer to page 28 for IC Block Diagrams.

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23

4-13. SCHEMATIC DIAGRAM TRANS SECTION

STR-VX500

(Page 15)

16

T6.3AL250V

2.5A

2.5A

The components identified by mark ! or dottedline with mark ! are critical for safety.Replace only with part number specified.

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4-14. SCHEMATIC DIAGRAM AV/MIC SECTION

STR-VX500

• Refer to page 28 for IC Block Diagrams.

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• MAIN BOARD

IC300 LV1041M

4-16. IC BLOCK DIAGRAMS

12

20

1

2

3456

78

9

10

11

12

13

14

15

16

19

17

18

20

21

3231302928272625

24

23

22

33

44

43

42

41

40393837363534

7374757677787980 72 65666768697071

52

51

5049

48

47

46

45

53

54

55

56575859

60

61

62

63

64

STRIM

OSC

VOL

VOL

VCA VCAP

B

P

B

VCA VCA

VCA VCA VCA VCA

IEVNOISEGEN

NOISEFILTER

BPFCONTROL

CHCONTROL

BPF

V REF

STRIM

SMODE

RECT

RECT

DCCUT

B NR

OUTFILTER

DATADECODERVOL/

MUTE

BPF

RECT

LOGICFF

LOGICFF RECT

C MODE

LOGIC LOGIC

MASTERVOL

NFSW

S

S

S

P P B

B

B B

P

B

CD

R

L

C S

LR

P P

P

B

P

B

P

BP

B

P

B

S

MASTER VOL

VDDPCM

PCMCONTROL

SRAM

INFILTER

R

L

C

S

R

P

B

P

B

PB

PBL

L

R

L

R

R BPF2

R BPF1

S DC OUTC DC OUTR DC OUTL DC OUT

V REFVCC

C OUT

S OUT

R OUT

L OUT

GND

L IN

R IN

S IN

DELAY OUT

C VOL IN

DET

IREF

R OUT

R NF

L NF

L OUT

L BPF2

L BPF1

RT IN

LT IN

DC CUT

C MODE

GNDNS BPF1

OSC

NS BPF2

ENABLE

DATA

CLK

DATA

CLK

ENABLE2

VSS

OSC

OSC

VDD

A/D

NS

D/A

DC CUT

VCC

C VO

L OU

T

C OP

IN

GND

C OP

NF

C OP

OUT

VOL

REF

S OP

OUT

S OP

NF

S OP

IN

S VO

L OU

T

L RECT

DC CUT4

R RECT

DC CUT3

L BPF3

VLR TH

VLR 1

VLR 2

VCS 2

VCS 1

VCS TH

L+R RECT

DC CUT2

L-R RECT

DC CUT1

R DET3

OP V

REF

S VO

L IN

S OU

T

DC C

UT

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IC401 M65850P

OSCILLATOR

1/2 VCC

AUTORESET

LPF1

MAINCONTROL

A/D

20KBITSRAM

LPF2D/A

1 2 3 4 5 6 7

891014 13 12 11

CLOCK

RESETMO

MID1 DO0

DO1

VCC

CLOC

K

REF

OP2I

N

OP2O

UT

LPF2

IN

LPF2

OUT

LPF1

IN

LPF1

OUT

OP1O

UT

OP1I

N

CC1

CC2

GND

IC851 µPC1237HA

1 2 3 4 5 6 7 8

OVER LOAD DET

F/FOFFSET DET

LATCH/AUTORESET

VCC ONMUTE

AC OFFDET

VCC

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IC506 BA3833F-E2

• PANEL BOARD

IC505 µPD4053BC

1

2

3

4

5

6

7

8

B1

B0

C.COM

CO

INH

VEE

VSS

VDD

B.COM

A.COM

A1

A0

A

B

C

C1

9

10

11

12

13

14

15

16

OPEN

OPEN

OPEN

2

3

14

1

f04

13 f

12 VCC

11 NC

10 NC

15 f03

5GND

6BIASC

7NC

8NC

9NC

4

16 f02

17 f01

18 RESETRESETC

PREF

LINENF

LINEIN

REFFERENCECURRENT

BPF DET

BPF DET

BPF DET

BPF DET

DET

RESET

Bias

• MOTOR BOARD

IC891 LB1641

1 2 3 4 5 6 7 8 9 10

GND

MOT

ORDR

IVE

NOIS

EFI

LTER

CLAM

P

FWD.

IN

REV.

IN

VCC

1

VCC

2

NOIS

EFI

LTER

MOT

ORDR

IVE

MOTORDRIVE

MOTORDRIVE

T.S.D O.C.P

FWD/REV/STOPCONTROL LOGIC

OSCILLATOR

1/2 VCC

AUTORESET

LPF1

MAINCONTROL

A/D

20KBITSRAM

LPF2D/A

1 2 3 4 5 6 7

891014 13 12 11

CLOCK

RESETMO

MID1 DO0

DO1

VCC

CLOC

K

REF

OP2I

N

OP2O

UT

LPF2

IN

LPF2

OUT

LPF1

IN

LPF1

OUT

OP1O

UT

OP1I

N

CC1

CC2

GND

• MIC/ECHO BOARD

IC6002 M65850P