DOWNLOAD Sony HCD-DR8AV / HCD-W900AV Service Manual ↓ Size: 9.63 MB | Pages: 90 in PDF or view online for FREE

Model
HCD-DR8AV HCD-W900AV
Pages
90
Size
9.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-dr8av-hcd-w900av.pdf
Date
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Sony HCD-DR8AV / HCD-W900AV Service Manual ▷ View online

HCD-DR8AV/W900AV
— 55 —
— 56 —
7-12. PRINTED WIRING BOARD     DECK SECTION
(Page 41)
16
16
16
• Refer to page 19 for Circuit Boards Location.
HCD-DR8AV/W900AV
— 57 —
— 58 —
7-13.
SCHEMATIC DIAGRAM     POWER (1/2) SECTION (DR8AV model)
(Page 52)
(Page 52)
(Page 89)
(Page 59)
(Page 59)
(Page 60)
(Page 97)
16
IC801
STK411-230M
2CH CLASS AB + VOL CONTROL
THERMAL
C891
3300
50V
C841
3300
50V
C892
3300
80V
C842
3300
80V
R808
0.22
R858
0.22
• Refer to page 61 for Printed Wiring Board.
The components identified by
mark 
!
 or dotted line with mark
!
 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
HCD-DR8AV/W900AV
— 59 —
— 60 —
7-14.
SCHEMATIC DIAGRAM     POWER (2/2) SECTION (DR8AV model)
(Page 57)
(Page 57)
(Page 102)
(Page 58)
30.8
330
2W
330
2W
330
2W
3.3
50V
30.8
Q404,406
RELAY DRIVE
Q403,407
RELAY DRIVE
31
31
31
31
16
• Refer to page 61 for Printed Wiring Board.
The components identified by
mark 
!
 or dotted line with mark
!
 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
HCD-DR8AV/W900AV
— 61 —
— 62 —
7-15.
PRINTED WIRING BOARD     POWER SECTION (DR8AV model)
• Semiconductor
Location
D401
G-4
D402
C-2
D403
E-8
D405
A-1
D406
B-1
D409
C-5
D801
F-4
D802
E-5
D803
E-6
D823
D831
I-8
D833
I-5
D834
I-5
D835
I-5
D836
I-5
D841
I-3
D842
I-2
D843
I-3
D844
I-3
D851
F-4
D852
E-5
D911
I-9
D912
I-8
IC801
D-4
Q401
C-1
Q402
C-1
Q403
E-8
Q404
E-7
Q406
E-7
Q407
E-8
Q431
F-8
Q432
G-8
Q433
G-8
Q434
G-7
Q437
G-8
Q439
G-8
Q801
F-4
Q803
F-6
Q804
F-6
Q805
H-3
Q831
F-2
Q832
F-2
Q833
G-2
Q834
F-3
Q851
F-4
Q855
H-3
Q903
I-9
Ref. No.
Location
• Refer to page 19 for Circuit Boards Location.
(Page 42)
(Page 42)
(Page 91)
(Page 101)
(Page 99)
REAR
SORROUND SPEAKER
CENTER
CN805
16
RY403
R450
D409
Q404
15
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