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Schematic Diagram, Main Board 1/3

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7-9. SCHEMATIC DIAGRAM - MAIN BOARD (1/3) - • See page 58 for Waveforms. • See page 78 for IC Block Diagram. CN305 11P: EXCEPT AEP,UK 15P:AEP,UK 12 13 14 15 J301 2P RDS +3.3V NC RDS INT RDS DATA R101 R102 C101 1k 47k 220p R201 R202 C201 1k 47k 220p C397 0.1 FB309 C321 0.01 18 58 C322 220 10V C141 10 50V R118 C131 R391 4.7k 470p 47k C241 10 50V R218 4.7k C231 470p R390 47k IC301 BA3126N HCD-HPX7 CN306 9P C218 10 50V C118 10 50V C219 10 50V C119 10 50V HRP350 CN301 8P C203 680p R301 4.7k C103 680p Q301 KRA103M-AT Q302 KRC102M-AT TP (GND) T201 C205 330p C207 4700p R203 5.6k R204 10k R205 2.2k R206 47k C105 T101 330p C107 4700p R104 10k R103 5.6k R106 47k R105 2.2k C302 0.01 RV201 220k TP201 (R) C206 27p T301 RV101 220k TP101 (L) C106 27p Q303 2SC2001TP-LK Q304 2SC2001TP-LK R302 5.6 R303 5.6 C307 0.015 R304 18k C308 0.0068 R305 18k C309 0.0068 C310 0.018 Q305 2SD1387-34-TP C303 2.2 50V R306 2.2k R307 6.8k C304 10 50V Q306 KTA1266GR-AT R309 2.2k R308 22k C305 47 16V Q307 KRC102M-AT R310 10k C306 10 50V JW246 JW247 C102 10 50V C202 10 50V R211 180 R212 R213 5.6k 150k C215 10 50V C216 0.022 C116 0.022 C115 10 50V R111 180 R112 5.6k R113 150k C114 1 50V C214 1 50V R207 100k C210 10 50V R208 4.7k C211 330p C213 0.0082 C117 10 50V C217 10 50V R127 1k R227 1k R210 470k C209 10 50V C212 R209 330p 330k C109 10 50V C112 330p R108 4.7k C111 330p C110 R107 10 100k 50V R109 330k R110 C113 470k 0.0082 R326 100k C317 22 50V C122 2700p C222 2700p IC302 BD3402KS2 C124 R114 47 3.3k 50V C123 0.22 C223 0.22 R214 3.3k C224 47 50V C225 22 50V C125 22 50V C128 10 50V C228 10 50V C319 470 10V C371 0.1 C318 470 10V C372 0.1 D331 10EDB40 -TA1B2 C320 220 10V R228 4.7k R128 4.7k HCD-HPX7 67 67

Section	Page
COVER	1
TABLE OF CONTENTS	2
1. SERVICING NOTES	4
2. GENERAL	5
3. DISASSEMBLY	7
3-1. DISASSEMBLY FLOW-1	7
3-2. DISASSEMBLY FLOW-2	8
3-3. OPTICAL PICK-UP BLOCK	9
3-4. SIDE PLATE (L) (R), TOP PANEL SECTION	10
3-5. MECHANICAL DECK	11
3-6. FRONT PANEL SECTION	12
3-7. PANEL (1), (2) BOARD, HEADPHONE BOARD	12
3-8. TUNER (FM/AM), DC FAN	13
3-9. MAIN BOARD	14
3-10. REAR PANEL SECTION	14
3-11. AMP BOARD, SWITCHING REGULATOR	15
3-12. POWER BOARD	15
3-13. CD MECHANISM DECK (CDM82A)	16
3-14. PLATE (COVER TOP)	17
3-15. TOP SECTION	17
3-16. ARM SECTION	18
3-17. CD MECHANISM DECK SECTION	19
3-18. SUB GEAR (2 STEP), SUB SLIDER ASSY	20
3-19. ARM (R)	21
3-20. GEAR (STOCK PLANET) (RIGHT)	22
3-21. LEVER (SUB GEAR BACK L)	22
3-22. ARM (L)	23
3-23. GEAR (STOCK ROT LONG) (LEFT)	24
3-24. GEAR (STOCK ROT SHORT) (RIGHT)	24
3-25. STOCKER (1) ASSY TO STOCKER (5) ASSY	25
3-26. SPR-E (ROLLER SLIDER UPPER) (TOP SECTION)	26
3-27. RUBBER ROLLER (TOP SECTION)	26
3-28. LOD MOTOR	27
3-29. SLIDER (PUSH-POPUP)	27
3-30. ROTARY ENCODER	28
3-31. ASSEMBLING OF THE ROTARY ENCODER	29
3-32. ELV MOTOR	30
3-33. CHASSIS (TOP), CHASSIS (BOTTOM)	31
3-34. LEVER (LOADING R, LOADING L)	32
3-35. DISC STOP LEVER	33
3-36. DRIVER BOARD	33
3-37. CD BOARD	34
3-38. OPTICAL PICK-UP (KSM-215DCP)	34
3-39. BASE UNIT SECTION	35
3-40. LEVER (BU LOCK)	35
3-41. GEAR (IDL-B)	36
3-42. GEAR (IDL-C)	36
3-43. SPR-E (TAKO-BACK)	37
3-44. PLATE (PUSH) ASSY	38
3-45. SPR-P (LOCK)	39
4. ASSEMBLY	40
4-1. ASSEMBLY FLOW	40
4-2. ASSEMBLING OF THE STOCKER SECTION	41
4-3. ASSEMBLING OF THE GEAR (STOCK ROT SHORT) (RIGHT)	42
4-4. ASSEMBLING OF THE GEAR (STOCK ROT LONG) (LEFT)	43
4-5. CONFIRMING THE ASSEMBLING OF THE STOCKER SECTION	44
4-6. ASSEMBLING OF THE GEAR (STOCK ROTARY LEFT)	45
4-7. ASSEMBLING OF THE GEAR (STOCK ROTARY RIGHT)	46
4-8. ASSEMBLING OF THE LEVER (SUB GEAR BACK L)	47
4-9. ASSEMBLING OF THE GEAR (SUB GEAR PIN RIGHT)	48
4-10. ASSEMBLING OF THE LEVER (SUB GEAR BACK R)	49
4-11. ASSEMBLING OF THE SUB GEAR (IDLER)	50
4-12. ASSEMBLING OF THE SUB GEAR (2 STEP)	51
4-13. CONFIRMING THE ASSEMBLING OF THE ARM SECTION	52
5. TEST MODE	53
6. ELECTICAL ADJUSTMENTS	55
7. DIAGRAMS	57
7-1. BLOCK DIAGRAM — CD SERVO SECTION —	59
7-2. BLOCK DIAGRAM — MAIN SECTION —	60
7-3. BLOCK DIAGRAM — PANEL/POWER SUPPLY SECTION —	61
7-4. PRINTED WIRING BOARD — CD BOARD —	62
7-5. SCHEMATIC DIAGRAM — CD BOARD —	63
7-6. PRINTED WIRING BOARD — CD MECHANISM SECTION —	64
7-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION —	65
7-8. PRINTED WIRING BOARD — MAIN BOARD —	66
7-9. SCHEMATIC DIAGRAM — MAIN BOARD (1/3) —	67
7-10. SCHEMATIC DIAGRAM — MAIN BOARD (2/3) —	68
7-11. SCHEMATIC DIAGRAM — MAIN BOARD (3/3) —	69
7-12. PRINTED WIRING BOARD — AMP BOARD —	70
7-13. SCHEMATIC DIAGRAM — AMP BOARD —	71
7-14. PRINTED WIRING BOARD — PANEL SECTION —	72
7-15. SCHEMATIC DIAGRAM — PANEL SECTION —	73
7-16. PRINTED WIRING BOARD — POWER BOARD —	74
7-17. SCHEMATIC DIAGRAM — POWER BOARD —	75
8. EXPLODED VIEWS	83
8-1. SIDE PLATE, TOP PANEL SECTION	83
8-2. FRONT PANEL SECTION	84
8-3. CHASSIS SECTION-1	85
8-4. CHASSIS SECTION-2	86
8-5. CD MECHANISM DECK SECTION-1 (CDM82A)	87
8-6. CD MECHANISM DECK SECTION-2 (CDM82A)	88
8-7. CD MECHANISM DECK SECTION-3 (CDM82A)	89
8-8. CD MECHANISM DECK SECTION-4 (CDM82A)	90
8-9. CD MECHANISM DECK SECTION-5 (CDM82A)	91
8-10. CD MECHANISM DECK SECTION-6 (CDM82A)	92
8-11. CD MECHANISM DECK SECTION-7 (CDM82A)	93
8-12. CD MECHANISM DECK SECTION-8 (CDM82A)	94
8-13. CD MECHANISM DECK SECTION-9 (CDM82A)	95
8-14. CD MECHANISM DECK SECTION-10 (CDM82A)	96
8-15. BASE UNIT SECTION (BU-F1BD81A)	97
9. ELECTRICAL PARTS LIST	98
AMP	98
CD	99
CONNECTOR	100
DISC ADDRESS SW	101
DRIVER	101
ELV MOTOR	101
HEADPHONE	101
MAIN	101
MOTOR LOD	105
PANEL (1)	105
PANEL (2)	106
POWER	107
SW (A)	107
SW (B)	107
SW (C)	107
SW (D)	107
THERMISTER	108

Match case Limit results 1 per page

HCD-HPX7

7-9.

SCHEMATIC DIAGRAM

— MAIN BOARD (1/3) —

•

See page 58 for Waveforms.

•

See page 78 for IC Block Diagram.

RDS +3.3V

RDS INT

RDS DATA

C225

C125

R101

R202

R102

C101

C201

C397

R201

R307

C306

R310

Q307

R309

R308

R306

C304

C307

R304

C308

R305

C309

C310

C303

R104

C107

R103

R105

R106

R205

R206

C207

R204

R203

C205

C103

C203

Q301

R301

IC301

R391

C131

R390

C231

CN306

JW246

JW247

J301

IC302

T301

C102

C202

C117

C114

C115

C214

R111

R127

R227

R213

C216

R212

R211

C215

C210

R208

R210

C211

C212

R209

R207

R107

R108

R109

R110

C110

C111

C112

C113

C317

C319

C320

C371

C372

R326

C318

R228

R128

C228

C128

R114

C124

C218

C118

C219

C119

C321

C322

C141

C241

R118

R218

HRP350

C105

Q302

FB309

RV101

C206

C106

C213

C109

C209

T201

T101

CN301

R303

R302

C302

0.01

C217

C116

R113

R112

TP101

TP201

RV201

R214

C224

CN305

Q303

Q304

Q305

Q306

C305

C122

C222

C123

C223

D331

50V

47k

220p

0.1

6.8k

50V

10k

KRC102M-AT

2.2k

22k

2.2k

50V

0.015

18k

0.0068

18k

0.0068

0.018

2.2

50V

10k

4700p

5.6k

2.2k

47k

2.2k

47k

4700p

10k

5.6k

330p

680p

KRA103M-AT

4.7k

BA3126N

47k

470p

47k

470p

BD3402KS2

50V

1 50V

50V

1 50V

180

150k

0.022

5.6k

180

50V

4.7k

470k

330p

330k

100k

4.7k

330k

470k

50V

330p

0.0082

50V

470

10V

220

10V

0.1

100k

470

10V

4.7k

50V

3.3k

50V

0.01

220

10V

50V

4.7k

330p

KRC102M-AT

220k

27p

0.0082

50V

5.6

50V

0.022

150k

5.6k

(L)

(R)

(GND)

220k

3.3k

50V

11P: EXCEPT AEP,UK

15P:AEP,UK

2SC2001TP-LK

2SD1387-34-TP

KTA1266GR-AT

16V

10EDB40

-TA1B2

2700p

0.22