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Base Unit Bu-f1bd81a

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8-15. BASE UNIT SECTION (BU-F1BD81A) HCD-HPX7 1209 1205 1204 1203 1202 1206 1205 1204 1203 S101 1205 1207 1208 1205 1207 1202 1201 1202 Ref. No. 1201 1202 1203 1204 1205 Part No. Description A-4751-431-A CD BOARD, COMPLETE 4-951-620-01 SCREW (2.6X8), +BVTP 4-231-151-01 STOPPER (BU) 4-227-045-31 SPRING (INSULATOR), COIL 4-227-549-11 INSULATOR Remark Ref. No. 0 1206 1207 1208 1209 S101 Part No. Description 8-820-244-01 OPTICAL PICK-UP (KSM-215DCP) 4-985-672-01 SCREW (+PTPWHM2.6), FLOATING 1-827-992-11 WIRE (FLAT TYPE) (16 CORE) X-4956-146-1 HOLDER (BU215) ASSY 1-771-853-11 SWITCH, DETECTION (LIMIT) Remark The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Les composants identifiés par une marque 0 sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. 97

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