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Sony HCD-EC68P Service Manual - Page 49

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HCD-EC68P/EC78P 7-3. CHASSIS SECTION main section #1 (EC78P) 105 105 105 M601 #2 #2 102 " not supplied (AC HOLD board) #1 104 not supplied 105 105 106 not supplied #1 #1 " 1 CD mechanism section 108 107 (EXCEPT EC78P: UK) 102 107 (EC78P: UK) 3 CD mechanism section 101 not supplied 101 Ref. No. 101 102 104 105 0 106 Part No. 1-832-838-21 4-225-252-01 3-701-748-00 3-254-143-11 1-769-744-81 Description Remark CABLE, FLEXIBLE FLAT (13 CORE) (EC78P: UK) CUSHION (FOOT) CLAMP SCREW (B3), (+) BV TAPPING CORD, POWER (EC78P: UK) 0 106 0 106 107 107 1-834-967-21 1-834-978-11 1-834-181-21 1-835-334-21 CORD, POWER (EC68P: AUS) CORD, POWER (EC68P: US/EC78P: US, CND) CABLE, FLEXIBLE FLAT (21 CORE) (EC78P: UK) CABLE, FLEXIBLE FLAT (21 CORE) Ref. No. 108 Part No. 1-832-666-21 Description Remark (EC68P/EC78P: US, CND) CABLE, FLEXIBLE FLAT (5 CORE) (EC68P/EC78P: US, CND) 109 M601 M601 #1 #2 3-229-336-11 1-787-400-11 1-787-631-11 7-685-647-79 7-685-661-14 SCREW, +BVWH TAPPING (EC78P: UK) D.C. FAN (EC68P/EC78P: UK) FAN, DC (EC78P: US, CND) SCREW +BVTP 3X10 TYPE2 IT-3 SCREW +BVTP 4X12 TYPE2 N-S 49

Section	Page
COVER	1
TABLE OF CONTENTS	3
1. SERVICING NOTES	3
2. GENERAL	6
3. DISASSEMBLY	10
3-1. DISASSEMBLY FLOW	10
3-2. SIDE PANEL (L)/(R)	11
3-3. PANEL (TOP)	11
3-4. MAIN BOARD	12
3-5. FRONT PANEL BLOCK (EC78P: UK)	12
3-6. FRONT PANEL BLOCK (EC68P/EC78P: US, Canadian)	13
3-7. BACK PANEL BLOCK	13
3-8. 3 CD MECHANISM BLOCK (EC78P: UK)	14
3-9. BASE UNIT (EC78P: UK)	14
3-10. 1 CD MECHANISM BLOCK (EC68P/EC78P: US, Canadian)	15
3-11. BASE UNIT (EC68P/EC78P: US, Canadian)	15
3-12. BELT (EC68P/EC78P: US, Canadian)	16
3-13. BELT (EC78P: UK)	16
3-14. OP BASE ASSY (KSM-213D)	17
4. TEST MODE	18
5. ELECTRICAL ADJUSTMENTS	22
6. DIAGRAMS	25
6-1. BLOCK DIAGRAM - CD SERVO, TUNER Section -	25
6-2. BLOCK DIAGRAM - MAIN Section -	26
6-3. PRINTED WIRING BOARD - CD Board -	28
6-4. SCHEMATIC DIAGRAM - CD Board -	29
6-5. PRINTED WIRING BOARDS - MAIN Section -	30
6-6. SCHEMATIC DIAGRAM - MAIN Section (1/3) -	31
6-7. SCHEMATIC DIAGRAM - MAIN Section (2/3) -	32
6-8. SCHEMATIC DIAGRAM - MAIN Section (3/3) -	33
6-9. PRINTED WIRING BOARD - HI AMP Board (EC78P) -	34
6-10. SCHEMATIC DIAGRAM - HI AMP Board (EC78P) -	34
6-11. PRINTED WIRING BOARD - LOW AMP Board -	35
6-12. SCHEMATIC DIAGRAM - LOW AMP Board -	35
6-13. PRINTED WIRING BOARD - PANEL Board -	36
6-14. SCHEMATIC DIAGRAM - PANEL Board -	37
6-15. PRINTED WIRING BOARDS - KEY Section -	38
6-16. SCHEMATIC DIAGRAM - KEY Section -	38
6-17. PRINTED WIRING BOARD - MOTOR Board (EC68P/EC78P: US, Canadian models) -	39
6-18. SCHEMATIC DIAGRAM - MOTOR Board (EC68P/EC78P: US, Canadian models) -	39
6-19. PRINTED WIRING BOARD - PT Board -	40
6-20. SCHEMATIC DIAGRAM - PT Board -	41
7. EXPLODED VIEWS	47
7-1. PANEL SECTION	47
7-2. FRONT PANEL SECTION	48
7-3. CHASSIS SECTION	49
7-4. MAIN SECTION	50
7-5. 3 CD MECHANISM SECTION (EC78P: UK)(CDM88A-K6BD90-WOD)	51
7-6. 1 CD MECHANISM SECTION (EXCEPT EC78P: UK)(CDM77B-K6BD90-WOD)	52
8. ELECTRICAL PARTS LIST	53
CD	53
DMP	54
HI AMP	54
JACK	55
KEY CD	55
KEY POWER	55
LOW AMP	55
MAIN	56
MOTOR	60
PANEL	60
PT	63
REG	63