Sony HCD-V919AV / MHC-V919AV Service Manual ▷ View online
HCD-V919AV
– 37 –
– 38 –
7-8.
PRINTED WIRING BOARDS – BD Section –
•
See page 35 for Circuit Boards Location.
(Page 42)
• Semiconductor
Location
Ref. No.
Location
IC101
E-4
IC102
C-10
IC103
E-2
IC104
F-9
Q101
E-12
Q102
C-2
Q103
C-2
HCD-V919AV
– 39 –
– 40 –
• Voltages and waveforms are dc with respect to ground in
CD play mode.
no mark : CD stop
(
no mark : CD stop
(
) : CD play
7-9.
SCHEMATIC DIAGRAM – BD Section –
•
See page 86 for Waveforms.
•
See page 90 and 91 for IC Block Diagrams.
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
(Page 43)
HCD-V919AV
– 41 –
– 42 –
7-10.
PRINTED WIRING BOARD – VIDEO Section –
•
See page 35 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D301
B-5
D501
D-2
D502
H-1
IC101
H-5
IC401
B-2
IC402
G-3
IC504
G-4
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
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
*
Note
When replacing IC502, refer to “IC502 of
VIDEO board” in “Servicing Notes” (page 4).
When replacing IC502, refer to “IC502 of
VIDEO board” in “Servicing Notes” (page 4).
(Page 37)
(Page 58)
HCD-V919AV
– 43 –
– 44 –
7-11.
SCHEMATIC DIAGRAM – VIDEO Section (1/2) –
•
See page 91 for IC Block Diagram.
(Page 39)
(Page 45)
(Page 62)
• Voltages and waveforms are dc with respect to ground in
VIDEO CD play mode.
no mark : VIDEO CD play
no mark : VIDEO CD play
*
Note
When replacing IC502, refer to “IC502 of
VIDEO board” in “Servicing Notes” (page 4).
When replacing IC502, refer to “IC502 of
VIDEO board” in “Servicing Notes” (page 4).
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