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7-30. SCHEMATIC DIAGRAM - VIDEO Section - • See page 76 for IC Block Diagrams. HCD-C770/C990 OPTICAL DIGITAL IN VIDEO 2 OPTICAL RECEIVER IC204 TORX179L J202 2P MONITOR OUT VIDEO S VIDEO C252 0.1 C248 22 6.3V L202 10µH R267 75 C288 0.1 65 64 R269 75 C292 220 6.3V C293 100 4.0V R270 75 C295 100 6.3V C296 470 4V R259 75 63 R268 75 R273 75 C297 220 6.3V 62 C298 100 4V C299 22 6.3V C300 100 6.3V 61 C301 22 6.3V C302 100 6.3V VIDEO AMP, 75Ω DRIVER IC208 MM1568 R278 10k Q210 DTA114EKA Q210,214 WIDE SWITCH R286 10k Q214 DTC144EKA C218 47 16V C202 220 6.3V 75Ω DRIVER IC206 MM1510 SAG OUT VCC PS GND IN L209 10µH C285 0.1 C284 100 6.3V C278 10 6.3V C281 0.1 C276 10 6.3V C277 22 6.3V C279 0.01 C294 0.1 C282 0.1 VIDEO SELECTOR IC209 NJM2285V C291 10 6.3V C280 1.0 50V C283 1.0 50V C286 0.1 C290 0.1 C289 10 6.3V C275 0.1 GND GND VCC GND IN1 GND SW1 OUT IN2 VDD SW2 IN3 L207 10µH VIDEO INPUT SELECTOR IC207 NJM2235V C267 100 6.3V C287 0.1 C272 0.1 C274 10 6.3V C265 10 6.3V R266 R265 10k 10k R256 10k FB205 FB204 FB206 FB203 FB202 FB201 D-IN GND AVO AV1 V2-IN AV2 V1-IN CR V-OUT CB Y CN207 11P NC I/P SW CR GND CB D5V D5V GND VIDEOY GND VIDEOC GND VIDEOV VS/WIDE CN203 14P (Page 59) (Page 48) 61 61

Section	Page
COVER	1
SELF DIAGNOSIS FUNCTION	2
TABLE OF CONTENTS	4
1. SERVICING NOTES	5
2. GENERAL	6
3. DISASSEMBLY	9
3-1. DISASSEMBLY FLOW	9
3-2. FRONT PANEL (AL) SECTION, SIDE PANEL (L)/(R)	10
3-3. MECHANISM DECK (CDM69-DVBU16)	10
3-4. POWER SW BOARD	11
3-5. AUDIO BOARD, VIDEO BOARD	11
3-6. AMP BOARD	12
3-7. POWER BOARD	12
3-8. DVD BOARD	13
3-9. OPTICAL PICK-UP (DVBU16)	13
3-10. PICK-UP UNIT (TDP022W)	14
3-11. SW BOARD, BRACKET (TOP) ASSY	14
3-12. RELAY BOARD	15
3-13. MOTOR (STOCKER) ASSY (STOCKER) (M781)	15
3-14. MOTOR (STOCKER) ASSY (ROLLER) (M771)	16
3-15. MOTOR (STOCKER) ASSY (MODE) (M761)	16
3-16. RUBBER ROLLER (SLIDER) ASSY	17
3-17. TIMING BELT (FRONT/REAR)	17
3-18. CAM (GEAR)	18
3-19. SENSOR BOARD	18
4. ASSEMBLY	19
4-1. HOW TO INSTALL THE CAM (EJECT LOCK)	19
4-2. HOW TO INSTALL THE CAM (GEAR)	19
4-3. HOW TO INSTALL THE GEAR (MODE 2)	20
4-4. HOW TO INSTALL THE GEAR (MODE CAM)	20
4-5. HOW TO INSTALL THE ROTARY ENCODER (S702), GEAR (STOCKER COMMUNICATION)	21
4-6. HOW TO INSTALL THE CAM (STOCKER U/D)	21
4-7. HOW TO INSTALL THE STOCKER ASSY	22
4-8. PHASE ADJUSTMENT BETWEEN PINIONS (SLIDER) AND SLIDER-1 TO 5 (L/R)	23
5. TEST MODE	24
6. ELECTRICAL ADJUSTMENT	31
7. DIAGRAMS	32
7-1. BLOCK DIAGRAM – RF SERVO Section –	32
7-2. BLOCK DIAGRAM – AUDIO (DSP) Section –	33
7-3. BLOCK DIAGRAM – AUDIO OUT, PANEL Section –	34
7-4. BLOCK DIAGRAM – VIDEO Section –	35
7-5. BLOCK DIAGRAM – CHANGER, POWER SUPPLY Section –	36
7-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS	37
7-7. PRINTED WIRING BOARDS – RF Section –	38
7-8. SCHEMATIC DIAGRAM – RF Section –	39
7-9. PRINTED WIRING BOARDS – CHANGER Section –	40
7-10. SCHEMATIC DIAGRAM – CHANGER Section –	41
7-11. PRINTED WIRING BOARD – DVD Board (Component Side) –	42
7-12. PRINTED WIRING BOARD – DVD Board (Conductor Side) –	43
7-13. SCHEMATIC DIAGRAM – DVD Board (1/10) –	44
7-14. SCHEMATIC DIAGRAM – DVD Board (2/10) –	45
7-15. SCHEMATIC DIAGRAM – DVD Board (3/10) –	46
7-16. SCHEMATIC DIAGRAM – DVD Board (4/10) –	47
7-17. SCHEMATIC DIAGRAM – DVD Board (5/10) –	48
7-18. SCHEMATIC DIAGRAM – DVD Board (6/10) –	49
7-19. SCHEMATIC DIAGRAM – DVD Board (7/10) –	50
7-20. SCHEMATIC DIAGRAM – DVD Board (8/10) –	51
7-21. SCHEMATIC DIAGRAM – DVD Board (9/10) –	52
7-22. SCHEMATIC DIAGRAM – DVD Board (10/10) –	53
7-23. PRINTED WIRING BOARD – AMP Section (1/2) –	54
7-24. PRINTED WIRING BOARDS – AMP Section (2/2) –	55
7-25. SCHEMATIC DIAGRAM – AMP Section (1/2) –	56
7-26. SCHEMATIC DIAGRAM – AMP Section (2/2) –	57
7-27. PRINTED WIRING BOARDS – AUDIO Section –	58
7-28. SCHEMATIC DIAGRAM – AUDIO Section –	59
7-29. PRINTED WIRING BOARD – VIDEO Section –	60
7-30. SCHEMATIC DIAGRAM – VIDEO Section –	61
7-31. PRINTED WIRING BOARDS – DC-DC CONVERTER Section –	62
7-32. SCHEMATIC DIAGRAM – DC-DC CONVERTER Section –	63
7-33. PRINTED WIRING BOARDS – CONTROL Section –	64
7-34. SCHEMATIC DIAGRAM – CONTROL Section –	65
7-35. PRINTED WIRING BOARD – FL Board –	66
7-36. SCHEMATIC DIAGRAM – FL Board –	67
7-37. PRINTED WIRING BOARD – POWER Section (1/2) –	68
7-38. PRINTED WIRING BOARDS – POWER Section (2/2) –	69
7-39. SCHEMATIC DIAGRAM – POWER Section –	70
7-40. IC PIN FUNCTION DESCRIPTION	88
8. EXPLODED VIEWS	107
8-1. GENERAL SECTION	107
8-2. FRONT PANEL SECTION-1	108
8-3. FRONT PANEL SECTION-2	109
8-4. CHASSIS SECTION-1	110
8-5. CHASSIS SECTION-2	111
8-6. CHASSIS SECTION-3	112
8-7. MECHANISM DECK SECTION-1 (CDM69-DVBU16)	113
8-8. MECHANISM DECK SECTION-2 (CDM69-DVBU16)	114
8-9. MECHANISM DECK SECTION-3 (CDM69-DVBU16)	115
8-10. MECHANISM DECK SECTION-4 (CDM69-DVBU16)	116
8-11. MECHANISM DECK SECTION-5 (CDM69-DVBU16)	117
8-12. MECHANISM DECK SECTION-6 (CDM69-DVBU16)	118
8-13. OPTICAL PICK-UP SECTION (DVBU16)	119
9. ELECTRICAL PARTS LIST	120
AMP	120
AUDIO	123
CONTROL	125
DDCON	125
DVD	125
FL	135
HP	135
KEY	135
MODE MOTOR	136
POWER	136
POWER LED	137
POWER S/W	138
RELAY	138
RF	138
ROLLER MOTOR	139
SEL	139
SENSOR	139
STOCKER MOTOR	139
SW (1)	139
SW (2)	139
SW (3)	139
SW (4)	139
VIDEO	140
VOL	140

Match case Limit results 1 per page

HCD-C770/C990

7-30. SCHEMATIC

DIAGRAM

– VIDEO Section –

•

See page 76 for IC Block Diagrams.

C294

L207

L209

R256

R265

R266

C282

C281

IC206

C285

C277

C218

C202

C279

C292

C293

C295

C296

C297

C298

C300

C302

R270

C288

R259

R268

R273

L202

C252

R278

R286

Q214

CN207

CN203

C287

C272

C290

C289

C280

C283

C291

C278

C276

C284

IC207

C267

IC209

C299

C301

R267

R269

IC204

C248

C275

C274

J202

C286

Q210

IC208

C265

FB201

FB202

FB203

FB206

FB204

FB205

0.1

10k

0.1

MM1510

0.1

6.3V

16V

220

6.3V

0.01

220 6.3V

100 4.0V

100 6.3V

470 4V

220 6.3V

100 4V

100 6.3V

0.1

10k

DTC144EKA

11P

14P

0.1

6.3V

1.0

50V

1.0

50V

6.3V

100

6.3V

NJM2235V

100

6.3V

NJM2285V

22 6.3V

TORX179L

6.3V

0.1

6.3V

0.1

DTA114EKA

MM1568

6.3V

IN1

IN3

VIDEOV

VIDEOY

VIDEOC

GND

D5V

GND

VS/WIDE

D5V

V2-IN

V-OUT

V1-IN

D-IN

AV2

AVO

AV1

GND

I/P SW

VIDEO INPUT

SELECTOR

VIDEO

SAG

OUT

VCC

GND

VCC

Q210,214

WIDE SWITCH

OPTICAL RECEIVER

S VIDEO

VIDEO

OUT

MONITOR

DIGITAL IN

VIDEO 2

OPTICAL

VIDEO AMP, 75

Ω

DRIVER

Ω

DRIVER

(Page 59)

(Page 48)