Genius 3693, ISO XFR-75W, 2093, 2793, 1793, 1993, ISO XFR-100W manual Auto Bias, CERONIX Model 1493-CGA

0

1

2

3

4

5

6

7

8

9

AA

BB

CC

DD

EE

FF

GG

HH

II

JJ

KK

LL

MM

NN

OO

PP

0VDC

Hs

56V

28,D3

Red Video Amp.

Beam current

VIDEO BOARD

22-28V

Vs

Fil.

TC11

Feedback

800

Product safety note:

Components marked by the

symbol on this schematic have special characteristics important to safety.

Fil. Rtn.

TC12

.8Vpp 25,F7

When replacing any of

these components, be sure to use the parts specified in the parts list.

Screen

0Ω ,

Green Video Amp.

Beam current

Video

092

Feedback

CRT

LA7838

Thermal Protection

Vertical Linearity Circuit

Board

FOCUS

HEAT

Ramp

out

V. +12V

Ω

0Ω

800

EHT

0

Beam current

SINK

Vertical

Reset

Ramp

Vert.

Vert.

Blue Video Amp.

378

Deflection

One Shot

Gen.

Drive

Out

DECREASES

200K

200K

196

092A

Feedback

Reset

V. size

Retrace

TOP AND

377

out

BOTTOM

PN2907A

NO DVM Hs

ARC PROTECT

Control

413

Tr.

Ramp

Booster

VERT. SIZE.

412

.9KVpp 27,G6

FLYBACK

0Ω

2.2K.5W

1N4007

+12V

+12V

R/C

Slope

50/60Hz

Drive

Boost

12-18VDC Hs

Horizontal Drive

127V TC8

Horizontal

+25V

GND

409

10

TRANSFORMER

EHT

B+G+R=∑

Beam

I

422

341

33Vpp 26,E7

Transformer

OFFiB

Size

10K

1

2

3

4

5

6

7

8

9

10

11

12

13

D5

D5

342

CPT1505

470Ω

Auto Bias

Current

GND

2SC

2SD1651

Auto

12V

16V

RC5

481 GND

510Ω

5.5-6.4V

Vs

100pF

+

100uF

19

2

332

6

1/2W

Buffer

5-6VDC Vs

5.5-6.5V

Vs

398

200K

200K

H

4159

NC

V Sync

ABA

Bright

TC9

TC2

TC4

TC1

RC8

3Vpp 21,D5

1.4Vpp 23,F4

338

100Ω

433

465

004

1.4Vpp 22,E5

371

372

INCREASES

337

Vertical

1N4007

0Ω

I11

3

1N4007

0Ω

9

FOCUS

500Ω

0Ω

93.1K

470uF

PN2222

PN2222

TOP AND

20

TC7 Red

TC 10

TC 6

SOCKET BOARD CONNECTOR (TC)

206

RC6

2,200pF 1

4

382

395

BOTTOM

435

TC5 Green

1N4007

Size

482

203

375

411

VERT. SIZE.

200Ω

2W

343

452

373

+25V

1.2Ω

SCREEN

380

8

TC 3 Blue

0Ω

090

68.1KΩ

+12

750Ω

1,000pF

.01uF

1.5-2.7V Vs

340

GND

434

GND

Vertical

28.0K

1uF

4.7

Ω

68.1K

V

088

393

24Vpp 24,E4

1N4148

1N4148

7

486

100K

84.5K

62K

6.8K

Raster

369

402

374

401

2.7K

396

169K

4

Beam

510Ω

100uF

RC3

483

5

PN2222

1

Position

392

390

397

406

407

405

3

098

099

085

1K

GND

.1uF

404

PN2222

2

+

RC

127K

1uF

12-18VDC Vs

2

FIL.

006

002

100K

1.2

Ω

, 1W

V-

1

200K

0Ω

089

Position

388

391

50Vpp 29,F6

Current

GND

525

087

100B

3

127K

Horizontal 20K

403

385

CPT1558

453

524

RC7

0Ω

379

&

484

466

CS=.45"

CS=.74

5

+12V

+12V

0Ω

GND

GND

YC1

383

389

0Ω

100uF

GND

Open

GND

+127V

+12V

22K

390Ω , 2W 12-18VDC Vs

Open

419B

426

22K

10

100A

+12V

Master

365K

2.2M

127K

.01uF

1,000uF

419E

384

209

370

421

3-5Vpp 31,F5

419F

GND

RC2

Gain

1K

Vs

362

363

361

414

10.8-12V

35V

VERTICAL

.1uF

.4VDC

Hs

0Ω

YC2

485

GND

5.5-6.5V

Vs

3.92K

10, E6

+

DEFLECTION

Retrace Boost

410

.7Vpp

12,E5

100uF

V

4-6VDC

Vs

.1-.3VCD Vs

4.5-5.3V Vs

15.8K

418

449

419A

427

YOKE

Remote Control

+

1.2Vpp 19,D5

3.8Vpp 17,E5

5Vpp 16,E5

3.92K

0Ω

2SC3467

Horizontal Raster Adj.

+12V

11-12.4V

or

VERT.

V. osc.

2.8Vpp 18,D5

408

5.4-6VDC

22K

2.15K

PCB 490

376

OSC.

ADJ.

417

VRP

0Ω

192

V RAS. POS.

150Ω 1/2W

20, D5

11, E5

420

6.8K

062

20

19

18

17

16

15

14

13

12

11

0 TO 7 VDC

189

6.8K

193

VERTICAL BLANKING

RC4

RC1

425

S4

6

250

0

Ω

251

+16V

0Ω

0Ω

18Ω

VERTICAL

GND

0Ω

+61V

4.7Ω

PN2907A

VERTICAL

VERTICAL

VERTICAL

X-RAY

+ comp.

270Ω

2-3VDC Vs

367

V+

V Ref.

7

1/2

1N4148

211

8

2

2.3-

067

295

± SYNC INPUT

OSCILLATOR

OSC. O/S

PROTECT

191

185

SR

CPT1538

4Vpp 64,C4

H. S. +12V

424

S2

LM393

5

253

1

1/2

2.7V

PICTURE

DELAYED

LA7851

+6V

12mH

1N4007

MULTIPLIER

HORIZONTAL

415

4.7Ω

0Ω

510Ω

+

Horizontal

+43V

212

210

+12V

OUT

IN

SYNC O/S

SAW TOOTH

LM393

1.8K

333

POSITION

BIAS

OSCILLATOR DISCHARGE

210

+ 3

7812

SYNC INPUT

O/S

TR . GENERATOR

H. V+

13

4

195

188

SL

423

S1

447

4-7VDC

Hs

4.5-5.3V Vs

100

Ω

1.8K

1K

4

368

+

100uF

GND 296 + 220uF

0Ω

2

2.7K

1

8

2

3

4

5

6

7

8

9

10

+12V.HS.

FBPPS

BEAMI

10.0K

14

510Ω

4-9Vpp 61,B4

5Vpp 16,E5

17

+25V

+61V

V+ +43V

FBP

GND

-V

SIZEH

HYPV

+6V

VFB

1/4

1.8K

202

I4

022

12

021

394

OPEN

248

208

304

298

7.3-8.7V

Hs

7.3-8.7V Vs

-.2VDC

Hs

3-4VDC

Hs

2.4-3.4VDC

3-7VDC

Hs

5.5-6.3V Hs

5-6VDC

Hs

2.15K

LM324

033

HORIZONTAL

.047uF

252

17

5

4Vpp 02,D6

4Vpp

03,D6

1.5Vpp 04,E6

1.4Vpp 05,E6

0Vpp

06,E6

.2Vpp 07,E6

3.6Vpp 08,E6

7Vpp 09,E6

11

+ 100uF

077

GND

207

GND

12K

7

330pF

336

10.0K

BLANKING

Hs

+

026

PN2222A (CPQ1322)

Hs

12.1K

56pF

1.8K

I2

11

6.8K

1uF

10K

14

1K

15

H.Fo ADJ.

170Ω

023

GND

IA

.039uF

Ω

3

7.3VDC

Hs

9

I13

347

13

33K

680Ω

340Ω

I14

2.15K

270

329

352

I1

1nF

18

I9

9.31K

15.8K High Temperature Or

100uF

0VDC

Hs

5.5Vpp 01,D6

220uF

22K

8.8K

25K

330pF

45K

6.8nF

I7

I8

I16

I15

+400Hz

078

081

093

I3

I12

351

I5

350

348

1uF

.01uF

6.8nF I10

16

037

Excessive Beam

+

25V

072

1N4937

56Vpp 63,D6

Vs

1

I6

+

+ 1600Hz +800Hz

035

334

GND

6,10

GND

344

346

345

+6V 12.1K

Current, Monitor Shut

080

3

Down Circuit.

0Ω

GND

H. +12V

I PRA

ID

IC

IB

034

1/4

1

22K

019

VIDEO GAIN LINE

100K

62K

416

62K

2

LM324

017

2SA

S

T

U

604Ω

18Ω

173

167A

I BEAM

033

1371

FDH400

H. S. +12V

011

076

+61V

412Ω

105Ω

604Ω

063

084

+127V

Video V+

+43V

HORIZONTAL YOKE

4-7VDC

Vs

200K

200K

260

244

245

008

FDH400

5-9Vpp 62,B4

FBP

FBP

FBP

GND

GND

GND

BEAM

109

005

GND

909Ω

YC4

+16V

086

464Ω

I

258

064

+6V

+6V

+6V

445

FDH400

+12V

11.5-12.5V

+12V

1K

+

10uF

I BEAM

I BEAM

I BEAM

HORIZONTAL WIDTH CONTROL

YC3

446

V+

GND

012

MPSA64

014

15.8K

V+

1N4937

V+

FBP

GND

+12V

FBPPS

V-

SIZEH

HYPV

+6V

VFB

10.0K

10.0K

120Vpp 250Vpp

32,F6

107V or 127VDC Hs

213

P

227

0Ω

0Ω

PN2222A

D

020

7-10VDC

JA

-1.4V

JB

-2.8V

101.6K

+ 100uF

100uF

220uF

Ω

H. S. +12V

031

051

Max.

Min.

H Size

261

228

293

CPQ1322

1N4148

61, C2

J18

100V

0

170

Ω

10.0K

JE

120

+ 118

182

198A

0

9

G

036

2.33K

4.67K

20

+16V

1N4937

071

018

+43V

+61V

+127V

194

029

1/4

8

239

CPR0432

+

+

91.4K

J13

J14

220uF

169

10

LM324

FR205

16

13

9

6

11

10

3

5

12

12V

100uF

75Ω

1K

Beam

Current

100kΩ

@25˚C

250V

1N4937

1,000uF

1,000uF

6V

033

440

Ro

Go Bo

+A EN

+12V

- ABL

TTL

MGAIN

VC

267

066

065

Limiter Circuit.

T 180

J1

175

171

GND

+

.33uF

+

470Ω

2SA1371E

121

122

167

10K

5

0

1

BZT03-D160

450

3.3K

GND

3.3K

430

FR205

BBL

GND

1/2W

Controls

XRC5346A

241

100K

181 160Vz

GND

1

082

038

1/4

7

050

053

428

438

GND 4

FBP

H. Linearity

+12V

529

113

2

6

200K

LM324

-Linear

R IN

RR

GIN

GR

BIN

BR

7.15K

1/4

9

15.8K

68.1K

15.8K

112

16.3-19VDC 55, E1

+55V

8

+25V

6

033

2-3.6Vpp 33,B2

coil

1,000pF

1800V.6KV

3

040

Pincushion

14

+

5.6-6.2VDC

Vs

.033uF

2

1

14

15

7

8

366

7.15K

LM339

353

354

360

0

Ω

1

5

4

1N4937

Parabolic

Correction

432

441

364

8

2.1-2.4VDC Hs

114A

6

6.5-7.5VDC

16

5.6-6.2VDC Vs

431

355

4.6Vpp 59,D6

10.6K

41,D1

INPUT

+15V

14.8-18VDC

168

Pincushion

Correction

1-1.7V 34,B2

1K

1N4937

6V

1.5-2VDC

60,D6

1,000pF

15

0Ω

30Ω

9

FR205

357

J5

ERROR

+17V

10 /

011Ω

A5

B5

A5

+ 11

110

10

Ω

JD

AMP.

INPUT

132

139

141

12

533/532

3.92K

28K

4VDC 20VDC

Hs

1.5uF

J

K

L

13

1/4

3.3nF

260

+2.9V

3

142

009

Blooming

15.8K

30Vpp

200Vpp

35,H7

225

243

233

LM339

2

041

250V

358

J16

5

6.5-7.5VDC

166

correction.

Max.

Min.

H Size

10

2.2nF

68.1K

030

400V

223

242

231

221

355

130Ω

JC

88K

3

INPUT

Over

I BEAM

444

443

+12V

097

3.92K

+1.4V

.5-.8VDC

1N4148

226

218

264

232

150

J4

14

5.5-6.8VDC

191K

.1uF

3.3K

3.3K

CPT1528

356

J15

4

COMP. Voltage

}

.01uF

200K

HER205 HER205

FR205

56pF

Protect

16

126

FBPPS

SIZEH

010

042

052

4-19VDC Hs

457

PN2222

2.15K

200K

.05VDC

Vs,Hs

11K

108

INPUT

.1uF

3,300pF

130

FBP

GND

+12V

V-

+6V

GND

054

044

1N4937

27Vpp 36,J7

50uH

477

478

0.1uF

107

38.3K

3.3nF

0

Ω

272

246

7V pp 58,C5

148

J2

3.4-4.2VDC

4

Output

124

V-

J9

+25V

+25V

200V

266

HS +12V

458

.10Ω

.10Ω

437

236

235

PN2222

2

23.2K

20

125

462

3-5VDC

28.0K

0Ω

56pF

CONTROL &

No DVM

1W

1W

1N4148

1N4148

1N4148

274

J3

5Vpp 52,F1

1.00M

1.00M

096

454

475

476

.1-.5VDC

FAULT SENSE

12

300Vpp 40,G1

44.2K

2

104

J10

134

2.7K

278

271

277

270

276

268

255

5

44.2K

5

275

273

4uS

COMP.+

13

17

18

H SIZE

8

058

1

060

1nF

1/2

106

DELAY

3-6VDC

CPQ1304

043

1/2

7

IRF520

GND

100K

PN2222

HEAT

+ 100uF

10K

3

LM392

0Ω

510Ω

500V

4VDC 20VDC

Vs

GND

14.7K

15.8K

0Ω

LM392

049

463

+12V

6.8K

9

0.1VDC

SINK

12.1K

11Vpp 15Vpp

37,I6

257

33.2K

6

OUTPUT

J11

J12

061

6

049

055

094

461

Max.

Min.

H Size

.047uF

200K

220uF

62K

5.7-6.3VDC

Rx

1Vpp 51,F1

135

136A

045

4

6.8K

470 Ω

M & N reverse Hs.

22K

321

0Ω

143A

J7

Current

11

12

510

Ω

136

200pF

.01uF

10.0K

6.8nF

460

1/2W

323

254

250V

36K

3-4VDC

Osc.

056

0.8-7VDC Hs

464

6.8K

318

256

144

SENSE

1-4VDC

J8

13

1KV

6.8uF 100V

1.8K

M

4

3

33K

152

143B

3Vpp

47,D2

138

095

2-2.5VDC Hs

12Vpp 38,J7

322

047

057

0

Ω

0

Ω

0

Ω

247

220uF

0Ω

6.8nF

7

Cx

12Vpp 50,E2

4.4Vpp 39,B3

456

325

1/4

2

GND

2.2nF

10

18Ω

0.33Ω

47Ω

GND

GND

N

250V

281

280

283

270Ω

LM339

114

102

DRIVE

2W

1/2W, CC

HORIZONTAL WIDTH DRIVE

0Ω

326

5

+

355

+24V

Inrush Current Limit

155

163

7

8,14

8

9

133

137

140

+7.5V REF.

V-

M

6

470Ω

, 1/2W

FR205

288

286

284

328

270Ω

1/4

1

470

CC

159

90K

XRC5184

J PRA

MPSA64

1N4007

V-

LEGEND

CERONIX

N

7

Relay

25Ω @25˚C, 2A

156

J6

123

116

100pF

Ω

Ω

No

13350 New Airport Road

330

+

355

200V.5A

115

127

TP49, G1

BOARD PART No.

Auburn, California

95602

1.8K

LM339

330pF

111

D

331

.14-.16V

12

Posistor

CPR0434

3A Fuse

220uF

2,200pF

129

0

0

.

PART No. ON PRA.

270Ω

468

128

-265V

V-

J PRA PINS:

3,10,15, & 19

V-

177

176

LTR.No

:

NONE

DATE & REV.

4/10/96-E1

3/24/99-E5

Black Wire.

146

131

.X

X

PRA PIN No.

SCALE

GND

GND

327

GND

X-

X-Y VDC

DC VOLTAGE RANGE,

DRAWN BY: F. H.

2/18/92

9/30/96-E4

03/06/02-E8

158

0VDC

Hs

Measurements

Y V

{USING A DMM.

USE V. or H. SYNC.

CERONIX Model 1493-CGA

Monitor Circuit.

27Vpp 57,F1

are taken with

X-Y VDC Sync.

CC3

CC2

.093" pins

CC1

145

AC VOLTS TEST POINT

R

G

B

Vs

Hs

.093" pin

a white screen.

Vp-p TP-REF.

RED

GND

VERTICAL

HORIZONTAL

Degaussing

PC 120VAC PC

CAUTION!

POWER SUPPLY VOLTAGES REFERENCED FROM V-.

Hs - 5uS/div.

WAVEFORM

Peak to Peak

ASS. REF.

CERONIX

VC

VC

292

VC GREEN

BLUE VC

VC

VC

162A

Connector

2

INPUT

1

Measured with scope

CPA4233, CPA4235

4

INPUT

3

5

INPUT

INPUT

6

SYNC

2

1

SYNC

162

161

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

Vs - 2mS/div.

PART NO.

AA BB CC DD EE FF GG HH II JJ KK LL MM NN OO PP

0

1

2

3

4

5

6

7

8

9

16 16