Optional

12

4.67K

7

7

GND

10

GND

10

+12V

1 6 9 107 84 52 3

6800pF

13

13

8

10

1K 1/2W

425

150Ω 1/2W

390Ω, 2W

311

431

++

+

414412403

422

405413

418

432

416

420402

415

424

209

433195

180

237

182

236

I11

304

234

157

293314

309

312

203 178

172

184

G4 G5

167

162

G17

G1

G2

171161

164

G16

G15 168

G14

G11

278

315 307

305 310

308

306

297

CERONIX 12265 Locksley LaneAuburn, California 95602-2055

SCALE:

DRAWN BY:

DATE & REV.NONE

CERONIX MODEL 1492 MONITOR CIRCUIT

2.7uF

1N4937

630V.022uF

0ΩG13

44.2K

2.2K

470Ω,1/2W

.01uF16K

LM3241/4

LM3241/4

750uH316

38.3K

*

6.8K

LM3241/4

10K

10K6.8K

.1uF

50KG10

100K163

.01uF.047uF

2

31

1214

4

11

LM3241/4

1.82K

G12

28K

16612K 8.87K

.33uF

10K 5K

10K

300

3,300pF

1N4005

1N4005

.01uF1.5KV

G310K

1K36K

CPT1500

FR205FR205

2,200pF

100Ω2SD1651

Horizontal Drive

VERTICAL

YOKE

.01uF

+1,000uF 35V

100K2SC3675

200K

47Ω47Ω

.015uF 250V

407

408

410

406

404

411

FDH400 1K 1/2W

1K 1/2W

100K 1/2W

10K 1/2W

.68Ω1/2W470Ω

1K 1/2W

330pF 4,700pF

EHT

GND

FIL.

*

GRID PULSE

RED

GREEN

BLUE

8

6

11

10 9 5 7 1

Socket BoardPCB 428

10

968

73

2

45

1

FLYBACKTRANSFORMER

2SC3467

2SC4159E

201

10uF+

5

6

423 421417

TC1

TC2

TC4

TC3

TC10

TC6

8

H11DEFLECTION

1K

YC1

YC2

433HORIZONTAL YOKE

GND

RAS. POS.0 TO 7 VDC

V

2

134

12.7VDC33V 63uS

NO DVM1KV 63uS

GND

19

20

18

19

GND

+127V

V-

270Ω, 2W

D

+6V

071

064 066

070

063065

PN2222MPSA64270Ω

750Ω 10uF

62K

Beam current limiter circuit.

GND

303

EHT

FOCUS

SCREEN

FIL.

FIL.

BeamCurrent

+12V

127VDC150V 300V

MAX. MIN. H. Size

250V.47uF

6VDC17mS4V 6VDC

3V 17mS

Blooming correction.

Pincushion correction.

7.15K

YC3

YC4

89

5G6

G7

10K

220K

6

4

3

1 13

18 1715 16

20

19

8VDC 22V

MAX. MIN. H. Size4V 12Vp-p

2SC4159E

FDH400

FDH400

+

165 298

2.2K1/2W

HEATSINK185

186

1/8/88

1/16/88

2ED0114-EDRAWINGNUMBER

HSIZE

GND

+6V

183

7

8

4

19

2, 12

G9

14

VERTICAL LINEARITY

No.

LTR.No.

X-Y VDCX-Y V

X-Y VDCTIMEVp-p

WAVEFORM

X X

LEGEND

BOARD PART No.PART No. ON PRA.PRA PIN No.

DC VOLTAGERANGE, USING

A DMM.

AC VOLTSPeak to Peak

CYCLETIME

Measured with scope

3/11/88

5/21/88

3.4-4.2VDC

5.7-6.3VDC

16.3-17.8VDC

OUTPUT

1

2

4

3

1516

14

5

6

7

8

12

11

10

9V-+7.5V REF.

XRC5184

Osc.

Rx

Cx

CurrentSENSE

DRIVE

CONTROL &FAULT SENSE

+15V+17V

INPUT

INPUT

INPUT

ERRORAMP.

COMP.

Output

OverVoltageProtectINPUT

+COMP.4uS

DELAY

280

282

SMXFR

D11

13

9

10

8

12

14

15

7

6

5

4

16

17

18

19

1

2

3 20

21

22GND Vcc

Red Red

GND

CA3224E

AUTO BIAS IC

+4.2V

+10V

200Ω

68.1K

200Ω

68.1K

200Ω

68.1K

.047uF

.047uF

.047uF

.1uF

.1uF

.1uF

153

77

176

080

078

C1

C16

152

33K

116

117

118

120

121

122

C2

C13

C3

C8

144.1uF

126

141

127

123

142

125

143

147251

215 262 131 261

263

260

258248 266

285

287

291J9

290

271J10

J11 J12

275

273

J3

274

J4

275

252

253

256 247

276

255

254

J6

286

277288

240

241

245

292

J8

270

283

284

265

2642,200pF

MPSA641N4005

18Ω

510Ω

14.7K 15.8K

1.2Ω 150Ω

200pF

2SK1446LS

1.00M

38.3K1,000

pF

191K

.1uF

FR205FR205

1N4148

11K

56K

6,800pF 56pF

10.6K

23.2K

1.8K

56pF

100K2SA1371E

++ 1,000uF1,000uF

FR205

FR205

.1uF

FR205

150uF

250V

250V90K

100K

100uF

330pF

6,800pF

J7

33.2K

1.00M

268

33K

10uF

10uF

10uF

33K

33K

CurrentLimit

Inrush

25-.5Ω

22K

1/4LM324

146

1.8K

12K

PN2222

2 1PCPC

10

9

8.1uF

1K

295

317 294TZ160B-T3160V Zener

+27V

+16V

+127V

150uF250V

.1uF250V

GNDGND

14.8-16.3VDC

3

1

594

2

+127V

6-7VDC

3.6-4.4VDC6V 63uS

5.3-5.7VDC

63uS.10-.17VDC

1V

63uS2.4-3.6VDC14V

3.5-4.1VDC3-4V 63uS

.1-.5VDC

.5-.8VDC

6.5-7.5VDC

6.5-7.5VDC

POWER SUPPLY VOLTAGES REFERENCED FROM V-

V- V-

NOTES:

SCOPE GND MUST NOT BE CONNECTED TO GND AND V- AT THE SAME TIME.

0VDC48V 63uS

244

BF5ROM125

CC1

CC2

1312

17 18

16

J PRA PINS:

220Vo

220Vo

1/2WCUTFOR220Vo

150uF

8,14

246

C-200

115VACINPUT

6

GND

+127V

V-296

.022uF

148150

.1uF 22K

2.5-6.7V

2.5-6.7V

2.5-6.7V

4.6-5.2VDC

1.9-2.3VDC4V 17mS

8.0-9.0VDC8.4V 17mS

6.3-7.7V

.1-

.3V

1.2-2.5V

5.8-6.4V

.5-.8VDC .7V 17mS

1.2-2.5V

1.2-2.5V

5.8-6.4V

5.8-6.4V

7

5

4

6.8K

HEATSINK

GND267

238

20KC5

comp.

inputholdcap.

comp.

holdcap.

comp.

holdcap.

sw.

sw. in grid pls. pos.

sw.

sw.

normal

6V Ref.

V. RETRACE

StartCounter

FF

CL

Q

EN21 H. LineCounterCLDecoder

5V Ref.

BIAS

AutoBias

Active

PROGRAM

PULSE

GRIDPULSE

sw. controlHB

20

9

2

4

5

72,9

8

1

3,10,15, & 19

Green input

Blue input

Green

Blue

GND

7

5

TTL

909Ω

301Ω 301Ω301Ω

RVC4 5

VCG

1N4005

4

16

1.65K

1.8K

B16

B15B14

B13

B11

B10B9

B8B6

B5

93B

92B

91B

90B

88B

87B86B

Red Video Amplifier

Green Video Amplifier

392Ω

539Ω

1.27K

40.2K

606Ω NE592

3.78K

790Ω 836Ω

.1uF

1.2K

270Ω

1N41482SA

1370

66

510

510B22

81B

82B

83B

84B

89B

.015uF

1000pF

FDH400

2SA137027

32

180

68K

2SC3467

1.8K

1.8K

B1

B2

B3

B4 B7

B17

B19

B20

096

13

1214

10

7

8

5

SOT

3.32K

.1uF

19

18

15

3

2

5 14

20

Blue Video Amplifier

81R

81G

1N4148

604Ω

75Ω

301Ω

12.1K 340Ω

6

BVC

1N4148

464Ω

75Ω

301Ω

12.1K 340Ω

1N4148

604Ω

75Ω

301Ω

12.1K 340Ω

.1uF095

1.21K

1.62K097

100MPS A64

098D

4K

6,800pF

4K

6,800pF

4K

6,800pF

2 1 14 15 7 8

BoRo Go GAINMTTL+ ENABLB

GNDControls XRC5346A

INBGINRIN RR RG RB

Y

3.92K 3.92K6.8K 15.8K 62K

GND+12V

VERTICAL BLANKING

1N4005 1N4005

REDINPUT

GREENINPUT

BLUEINPUT

HORIZONTALSYNC

+10V

GND

VC2

VC1

Hs VsVERTICALSYNC

VC0

4 LINETH

GND

GND

270Ω

270

1K

4.42K

1.8K

1.8K

2.7K

270Ω050047

046

045

048

67

1/2LM393

1/2LM393

061

154

051

005 027 002

004 026 001

021 043 011

010041022

020 042 012025

052

023 024 034 037 008

038 035 031

030 033 017016 013 003

015

055

054 056 057040

C6

1/2

B00

3.3pF

B12

5.62K

1uF+

2.7K

+12V

I101

1113

18

1415

16

Vo

3

20 19 18 17 16 14 13 12 11

15

16

14,6

4

7

GND

1 4

15

13

12

GND

OUT IN7812

130

128

+16V

.1uF

X-RAYPROTECT

DISCHARGEHORIZONTALOSCILLATOR

H. V+Horizontal

SYNC INPUT

PICTUREPOSITION

O/S

DELAYEDSYNC O/S SAW TOOTH

GENERATORTR .

V+GND

± SYNC INPUTVERTICAL VERTICAL

OSCILLATOR V Ref.RETRACE &BIAS O/S

9.31K

1K33K10K

1uF+

.01uF6,800pF

45K8.8K22K

12K

0Ω

100uF

225

173

I2

I3 I12

I7 I8 I9

232231233

230

228I6

I1

224

216

175068

485

484

483

206 200

H17

VERTICAL

H6

210

H7223

H9 H8

218

LA7851

481

482

486

0Ω

193

3.3Ω

10K

500Ω

750Ω

20K

1K208

330pF

.047uF

4.75K4.99K1N4742

330Ω76.8K

127K

22K

.1uF

0Ω

1K

10uF

100uF

198

56pF 1.8K

VERTICAL DRIVE

INPUT

GND

POWERAMPLIFIER

LA7830VERTICAL 192

+12V

1K

MasterGain

HorizontalPosition

VerticalRaster

Position

VerticalSize

HorizontalSize

Remote ControlPCB 490

2

VERTICAL OUTPUT

Vo

22-25VDC25V 17mS

5 6 7

205196

191204

56pF

1,000pF200Ω, 2W

470uF,50V

RETRACEBOOSTER

COMP.

+

1N4005190

1.2VDC25V 17mS

22-25VDC1V 16mS

+27V

0Ω160

+127V GND

V-

+27V

.36-.4VDC

.6V 63uS.16-.23VDC

5V 17mS5.8-6.5VDC

4V 17mS

5.7-6.6VDC4V 17mS

VERT.OSC.

187

.047uF

7.2-8.1VDC5V 63uS Reverse

Hs

+12V

GND

3.6-4.1VDC 3.2VDC 5.9VDC 6.3VDC1.6V 63uS63uS 63uS 63uS 63uS

2.9-3.4VDC 5.7-6.3VDC 5.9-6.4VDC4V

5.3-6VDC7.5V.2V0V

.1-.3VDC1.4V4.4V

6,10

9

25K 330pF1,000

pFI5 227226

7.9-8.5VDC4.4V 63uS 63uS

8.2-9VDC

6-6.4VDC

11.5-12.5V

.7-1.2VDC

.9V 17mS3.0-3.8VDC 3V 17mS

or

.7-1.0VDC

.9V 17mS

RetraceBooster

RC8

RC6

RC5

RC3

RC2

058

+12V

GND

+12V

GND

RC1RC4

HEATSINK

188

RC7

Vs

Hp5,2

2

7

3Hs H.Fo ADJ.

20

17

comp.+-

VIDEO GAIN LINE

18Ω

13

13

13

3

3

20

20

11

11

8

8

7

7

6

6

156

1.8K

1N4148

HORIZONTALBLANKING

1N4148

107

105

112 197

106

6.8K 1K .01uF

104

PN2222

200Ω 412Ω1.62K

S T U

J K N L OM

G H I.1uF

A B

P

D E F

INPUT

053

PN2907

LM3241/4

111C15

C12

C14

C11

110

LM3241/4

C9108

C10

C4

C7

1.82K

2.74K

103 145101

GND

FBP

B18

270

+

+10V

133

137

134

136

124

138

LM393

155

6.8K 6.8K

1.8K

132

1351.8K

.047uF1.8K

22K

+12V

20

8.0-9.2VDC

WITH GRID

4uS1-2V

1.8-2.3VDC

124-126VDC

Dark screen80-112VDC

85Bacross

1.5-2.4V

8

8

8.9-9.8VDC

WITH GRID

4uS 1V

7.4-8.4VDCGND

GND

1N414813

2

4

8 6

+12V

3.0-3.8VDC 3V 17mS

1.82K

6.4-7.5VDC8V 63uS

0VDC47V 63uS

1.62K

15

18

14

5

6

3

2

1

12

13

14

13

12

17

16

19

20

062

1

3

2

7

6

5

8

4

1N4148102

129

1.8K

PN2907

139

2.7K

.1uF060

11.5-12.5V

GND

+12V

.14-.16V

036

A- BL

16 13 5 123X Q R

9 6 11

*

2.7K

094.1uF

032

9

1.9-2.3V

Hs

Bias Control Line

11

+127V

5K

5K

5K

11

10

146

340Ω 340Ω340Ω

0Ω

17

1

4

11/12/90

FR205

C

9

8

7

6

5

4

3

2

1

0

9

8

7

6

5

4

3

2

1

0

BBAA CC DD EE FF GG HH II JJ KK LL MM NN PP RR

BBAA CC DD EE FF GG HH II JJ KK LL MM NN PP RR

044018 014

007

+

+12V

LM393

+

1/2

LM3241/4

8

17mS

Ω

ΩΩ

Ω

Ω

Ω

Ω

8

275281.01uF

J1193K

250

1

20

DC

2.33K

J13 J14

-1.5V -3V

J2

J5

J16

J15

260Ω

130Ω

+3V

+1.5V

B

A

235

+200Hz

+400Hz+800Hz

FG

340Ω680Ω170Ω

2.05K

6.8K

I13D

E

I16

I14

I15

HL ZHR

HORIZONTAL RASTER ADJ.

.1uF069

62K

65A

H2H1174

0Ω 330Ω330Ω1

8

H18

H3

200K

84K

500KH19

C

B

-9Hz

+9Hz

118K

.068uF

34K

9

17

18

.01uF

11

202

1uF

H5

301Ω10

207

H4

220

H10

+12V

GND

10uF

1K

H25

H12

1N4148H2088K

200K

H13

H16H1522K 22K

22KH24 H14

H23

H22

39063904

18

181

12.4 TO 14V17mS42V

11

15

Ω

FRAMEGND

FG

+

+

+

+

+ +

18Ω

248A

+ 100uF

+6V LINE

302

68uHH. Lin.

220uH301

WidthH.

209268uH301

2092.33uF305

209222K167

209236K166

H. Pincushion

Parabolic Linear

9

20920Ω405

F. H.

4.2-8.2VDC5-10 17mS

257

Transformer

8VDC 23V

MAX. MIN. H. Size70V 250V 63uS

20928.2nF306

1K 1/2W

1K1/2W

249

*

0 VDC17mS2-4V

0Ω289

166A

159

1.8K

169

179

3.3K

CRT

1/2W 1/2W

62K

H. Width Adj.

BIASMULTIPLIER

I4

VC3

GND

2.2nF

254A

2.2nF

254A

279

239FUSE3A

209228K203

2/12/98

246Dual Posistor Optional.