Sony HCD-GV6 / HCD-GV8 / LBT-GV6 / LBT-GV8 Service Manual ▷ View online
HCD-GV6/GV8
25
25
VIDEO
BOARD
(1/2)
CN501
OSC BUFFER
D. OUT
D. GND
AMUTE
XTAL33.8MHz
OPTICAL PICK-UP
BLOCK
(KSS-213DH)
7-8.
SCHEMATIC DIAGRAM – BD Board –
•
See page 39 for Waveforms.
•
See page 51 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
(
no mark : CD STOP
(
) : CD PLAY
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 26)
HCD-GV6/GV8
26
26
W
7-9.
SCHEMATIC DIAGRAM – VIDEO Board (1/2) –
•
See page 29 for Waveforms.
•
See page 51 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : VIDEO CD PLAY
no mark : VIDEO CD PLAY
(Page 25)
(Page 36)
(Page 27)
(Page 35)
HCD-GV6/GV8
27
27
7-10. SCHEMATIC DIAGRAM – VIDEO Board (2/2) –
•
See page 29 for Waveforms.
•
See page 51 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark :VIDEO CD PLAY
no mark :VIDEO CD PLAY
∗
: Impossible to measure
(Page 26)
HCD-GV6/GV8
28
28
7-11. PRINTED WIRING BOARD – VIDEO Board –
•
See page 23 for Circuit Boards Location.
• Semiconductor
Location
(Side A)
(Side A)
Ref. No.
Location
D301
B-5
D501
D-2
D502
H-1
IC101
H-5
IC401
B-2
IC504
G-5
IC505
D-4
IC507
D-6
IC509
G-6
Q301
B-5
Q304
C-2
Q306
B-5
Q307
B-4
Q308
B-4
Q310
B-3
Q502
D-2
• Semiconductor
Location
(Side B)
(Side B)
Ref. No.
Location
IC501
E-3
IC502
G-3
IC506
E-5
Q302
B-5
Q303
C-2
Q453
A-3
Q454
A-3
Q531
D-2
MAIN BOARD
CN701
BD
BOARD
CN101
MAIN BOARD
CN411
W
C571
V
(Page 38)
(Page 24)
(Page 38)
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