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Sony HCD-HPR90 Service Manual - Page 17

Block, Diagram, Amp

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6-3. BLOCK DIAGRAM - AMP Section - (Page 16) C L-CH A/D CONVERTER IC701 1 LIN 15 SCKI DOUT 12 BCK 11 LRCK 12 STREAM PROCESSOR IC705 31 DATA 30 BCK 29 LRCK OUTL1 11 OUTL2 9 X702 49.152MHz CLOCK SHIFT IC703 CLOCK BUFFER IC709 SYSTEM CONTROLLER IC1301 (3/4) S-MASTER DATA 70 S-MASTER SHIFT 71 S-MASTER LATCH 72 S-MASTER PG MUTE 66 S-MASTER SOFT MUTE 67 S-MASTER NSP MUTE 73 S-MASTER INIT 75 S-MASTER RST 68 S-MASTER SD 69 36 XFSIIN 48 XFSOIN 21 SCDT 22 SCSHIFT 23 SCLATCH 20 PGMUTE 19 SOFTMUTE 18 NSPMUTE 27 INIT OUTR1 6 OUTR2 4 DIGITAL POWER AMP IC707 2 BP 17 AP OUT_B 29 OUT_B 30 OUT_A 25 OUT_A 26 /SD /RST 43 L.P.F. L.P.F. J860 + -L SPEAKER DIGITAL POWER AMP IC708 2 DP 17 CP OUT_D 29 OUT_D 30 OUT_C 25 OUT_C 26 /SD /RST 43 L.P.F. L.P.F. PROTECT DETECT Q701 OVER LOAD DETECT Q702, 703 OVER LOAD DETECT Q752, 753 +R - R-ch is omitted due to same as L-ch. SIGNAL PATH : TUNER (FM/AM) HCD-HPR90/HPR99XM HCD-HPR90/HPR99XM 17 17

Section	Page
COVER	1
TABLE OF CONTENTS	3
1. SERVICING NOTES	4
2. GENERAL	5
3. DISASSEMBLY	7
3-1. DISASSEMBLY FLOW	7
3-2. CASE	8
3-3. BACK PANEL	8
3-4. MAIN BOARD	9
3-5. AMP BOARD, POWER BOARD SECTION	9
3-6. FRONT PANEL SECTION, CD MECHANICAL (DLM5B)	10
3-7. BELT (DLM3A)	11
3-8. OPTICAL PICK-UP BLOCK	11
4. TEST MODE	12
5. ELECTRICAL CHECK	14
6. DIAGRAMS	15
6-1. BLOCK DIAGRAM – CD SERVO Section –	15
6-2. BLOCK DIAGRAM – MAIN Section –	16
6-3. BLOCK DIAGRAM – AMP Section –	17
6-4. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –	18
6-5. PRINTED WIRING BOARD – CD Board –	20
6-6. SCHEMATIC DIAGRAM – CD Board –	21
6-7. PRINTED WIRING BOARD – MAIN Board –	22
6-8. SCHEMATIC DIAGRAM – MAIN Section (1/3) –	23
6-9. SCHEMATIC DIAGRAM – MAIN Section (2/3) –	24
6-10. SCHEMATIC DIAGRAM – MAIN Section (3/3) –	25
6-11. PRINTED WIRING BOARDS – XM Section (HPR99XM) –	26
6-12. SCHEMATIC DIAGRAM – XM Board (HPR99XM) –	27
6-13. PRINTED WIRING BOARD – AMP Board –	28
6-14. SCHEMATIC DIAGRAM – AMP Board –	29
6-15. PRINTED WIRING BOARD – PANEL Board –	30
6-16. PRINTED WIRING BOARDS – FL Section –	31
6-17. SCHEMATIC DIAGRAM – PANEL Section –	32
6-18. SCHEMATIC DIAGRAM – FL Board –	33
6-19. PRINTED WIRING BOARD – POWER Board –	34
6-20. SCHEMATIC DIAGRAM – POWER Board –	35
7. EXPLODED VIEWS	52
7-1. OVERALL SECTION	52
7-2. FRONT PANEL SECTION	53
7-3. AMP BOARD, POWER BOARD SECTION	54
7-4. CD MECHANICAL SECTION (DLM5B)	55
8. ELECTRICAL PARTS LIST	56
AMP	56
CD	58
FL	59
HP A-IN	60
MAIN	60
PANEL	63
POWER	64
SP	66
XM	66
XM REG	67
SUPPLEMENT-1	69