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Sony HCD-DH7BT Service Manual - Page 25

Block, Diagram, Karaoke/amp

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http://www.xiaoyu163.com Q Q 3 7 6 3 1 5 6-4. BLOCK DIAGRAM - KARAOKE/AMP Section - (DH3/DH5BT: Australian, Chinese, Singapore, Taiwan, Korean, Thai) DIGITAL ECHO IC702 VR702 ECHO LEVEL 1 5 0 HCD-DH3/DH5BT/DH7BT Ver. 1.2 892498299 (DH3/DH5BT) +11V J701 MIC AMP MIC AMP MIC IC701 (1/2) IC701 (2/2) MUTING Q702, 703 VR701 MIC LEVEL MIC J (Page 24) BUFFER Q701 A+9V DH3/DH5BT: AEP, Russian, Australian, Chinese, Singapore, Taiwan, Korean, Thai TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 AC/DC CONVERTER IC209 (2/2) C MUSIC L+R (Page 22) AC/DC CONVERTER IC209 (1/2) T E L 1 3 9 4 2 2 9 6 5 1 3 A/DCONVERTER IC701 STREAM PROCESSOR IC705 DIGITAL POWER AMP IC707 K L-CH (Page 24) 1 LIN 15 SCKI DOUT 12 BCK 11 LRCK 12 31 DATA 30 BCK 29 LRCK OUTL1 11 OUTL2 9 4 PWM_A 6 PWM_B OUT_A 33 OUT_B 30 X702 49.152MHz CLOCK SHIFT IC703 CLOCK BUFFER IC709 36 XFSIIN 48 XFSOIN OUTR1 6 OUTR2 4 14 PWM_C 16 PWM_D OUT_C 25 OUT_D 22 /RST_AB /RST_CD /SD 5 15 3 SYSTEM CONTROLLER IC101 (4/5) I-MIC DET 25 (DH3/DH5BT) O-SM DATA 38 O-SM SHIFT 39 O-SM LACH 40 O-SM PG MUTE 34 O-SM SOFT MUTE 35 O-SM NSP MUTE 48 O-SM INIT 49 21 SCDT 22 SCSHIFT 23 SCLATCH 20 PGMUTE 19 SOFTMUTE 18 NSPMUTE 27 INIT O-SM RST 36 I-SM SD 37 www . x ia o y COMPARATOR IC211 COMPARATOR IC210 XVOICE SCORE XVOICE, SCORE A (Page 22) QQ 3 7 6 3 1 5 1 5 0 J860 L.P.F. + L.P.F. L.P.F. -L SPEAKER +R L.P.F. - PROTECT DETECT Q701 OVER LOAD DETECT Q702, 703 OVER LOAD DETECT Q752, 753 892498299 R-ch is omitted due to same as L-ch. SIGNAL PATH : AUDIO : MIC u163. com HCD-DH3/DH5BT/DH7BT 25 25 http://www.xiaoyu163.com

Section	Page
COVER	1
TABLE OF CONTENTS	4
1. SERVICING NOTES	5
2. GENERAL	8
3. DISASSEMBLY	13
3-1. DISASSEMBLY FLOW	13
3-2. STEEL CABINET	13
3-3. FRONT PANEL SECTION	14
3-4. BACK PANEL SECTION	14
3-5. MAIN CHASSIS SECTION	15
3-6. DMB15 BOARD	15
3-7. DVD MECHANISM DECK (CDM86-DVBU101)	16
3-8. BELT (MOT)	16
3-9. OPTICAL PICK-UP BLOCK (KHM-313CAB)	17
4. TEST MODE	18
5. ELECTRICAL CHECKS	21
6. DIAGRAMS	22
6-1. BLOCK DIAGRAM – RF SERVO/VIDEO Section –	22
6-2. BLOCK DIAGRAM – TUNER/USB/BLUETOOTH Section –	23
6-3. BLOCK DIAGRAM – MAIN Section –	24
6-4. BLOCK DIAGRAM – KARAOKE/AMP Section –	25
6-5. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –	26
6-6. PRINTED WIRING BOARDS – SERVO Section (1/2) –	28
6-7. PRINTED WIRING BOARD – SERVO Section (2/2) –	29
6-8. SCHEMATIC DIAGRAM – SERVO Section (1/4) –	30
6-9. SCHEMATIC DIAGRAM – SERVO Section (2/4) –	31
6-10. SCHEMATIC DIAGRAM – SERVO Section (3/4) –	32
6-11. SCHEMATIC DIAGRAM – SERVO Section (4/4) –	33
6-12. PRINTED WIRING BOARD – VIDEO Section –	34
6-13. SCHEMATIC DIAGRAM – VIDEO Section –	35
6-14. SCHEMATIC DIAGRAM – USB Section (1/2) (DH3/DH5BT) –	36
6-15. SCHEMATIC DIAGRAM – USB Section (2/2) (DH3/DH5BT) –	37
6-16. PRINTED WIRING BOARD – USB Section (DH3/DH5BT) –	38
6-17. PRINTED WIRING BOARD – MAIN Section –	39
6-18. SCHEMATIC DIAGRAM – MAIN Section (1/2) –	40
6-19. SCHEMATIC DIAGRAM – MAIN Section (2/2) –	41
6-20. PRINTED WIRING BOARDS – BLUETOOTH Section (DH5BT/DH7BT) –	42
6-21. SCHEMATIC DIAGRAM – BLUETOOTH Section (DH5BT/DH7BT) –	43
6-22. PRINTED WIRING BOARD – XM Section (DH7BT) –	44
6-23. SCHEMATIC DIAGRAM – XM Section (DH7BT) –	45
6-24. PRINTED WIRING BOARD – AMP Section –	46
6-25. SCHEMATIC DIAGRAM – AMP Section –	47
6-26. PRINTED WIRING BOARDS – INPUT/OUTPUT Section –	48
6-27. SCHEMATIC DIAGRAM – INPUT/OUTPUT Section –	49
6-28. PRINTED WIRING BOARD – KARAOKE Section –	50
6-29. SCHEMATIC DIAGRAM – KARAOKE Section –	51
6-30. PRINTED WIRING BOARDS – PANEL Section –	52
6-31. SCHEMATIC DIAGRAM – PANEL Section –	53
6-32. PRINTED WIRING BOARD – POWER SUPPLY Section –	54
6-33. SCHEMATIC DIAGRAM – POWER SUPPLY Section –	55
7. EXPLODED VIEWS	81
7-1. STEEL CABINET SECTION	81
7-2. FRONT PANEL SECTION	82
7-3. BACK PANEL SECTION	83
7-4. DMB15 BOARD SECTION	84
7-5. MAIN BOARD SECTION	85
7-6. POWER BOARD SECTION	86
7-7. DVD MECHANISM DECK SECTION (CDM86-DVBU101)	88
8 ELECTRICAL PARTS LIST	88
AMP	89
ANT	91
BT	91
DMB15	92
HP-AMP	96
JACK	96
MAIN	98
MS-214	102
PANEL	102
POWER	103
POWER HT	104
SP	106
TOP KEY	106
USB	106
VIDEO	108
XM	108
SUPPLEMENT-1	111

Match case Limit results 1 per page

HCD-DH3/DH5BT/DH7BT

SYSTEM CONTROLLER

IC101 (4/5)

L-CH

A/D CONVERTER

IC701

STREAM PROCESSOR

IC705

LIN

DATA

SCKI

DOUT

BCK

LRCK

XFSIIN

XFSOIN

LRCK

O-SM DATA

OUTL1

DIGITAL POWER AMP

IC707

PWM_A

PWM_B

PWM_D

/SD

PWM_C

OUT_A

OUT_B

OUT_D

OUT_C

OUTL2

/RST_CD

/RST_AB

OUTR1

OUTR2

X702

49.152MHz

SCDT

O-SM SHIFT

SCSHIFT

O-SM LACH

SCLATCH

O-SM PG MUTE

PGMUTE

O-SM SOFT MUTE

SOFTMUTE

O-SM NSP MUTE

NSPMUTE

O-SM INIT

INIT

O-SM RST

I-SM SD

I-MIC DET

CLOCK SHIFT

IC703

CLOCK BUFFER

IC709

OVER LOAD

DETECT

Q702, 703

OVER LOAD

DETECT

Q752, 753

L.P.F.

PROTECT

DETECT

Q701

–

MUTING

Q702, 703

MIC AMP

IC701 (1/2)

MIC AMP

IC701 (2/2)

VR701

MIC LEVEL

VR702

ECHO LEVEL

J701

MIC

MUSIC L+R

AC/DC

CONVERTER

IC209 (2/2)

COMPARATOR

IC211

COMPARATOR

IC210

XVOICE

SCORE

XVOICE, SCORE

MIC

AC/DC

CONVERTER

IC209 (1/2)

A+9V

BUFFER

Q701

DIGITAL ECHO

IC702

+11V

SPEAKER

J860

: AUDIO

: MIC

SIGNAL PATH

R-ch is omitted due to same as L-ch.

(DH3/DH5BT: Australian, Chinese, Singapore, Taiwan, Korean, Thai)

(DH3/DH5BT)

DH3/DH5BT: AEP, Russian, Australian,

Chinese, Singapore, Taiwan, Korean, Thai

(Page 24)

(Page 22)

(Page 24)

(Page 22)

6-4.

BLOCK

DIAGRAM

– KARAOKE/AMP Section –

Ver. 1.2

http://www.xiaoyu163.com