Sony HCD-GV10AV Service Manual ▷ View online
HCD-GV10AV
33
33
7-14. SCHEMATIC DIAGRAM – CD MOTOR Section –
•
See page 55 for IC Block Diagram.
B
MAIN BOARD
(2/3)
CN412
4.8
4.8
4.8
4.8
LED DRIVE
TABLE MOTOR DRIVER
DISC TABLE SENSOR
TRAY
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
no mark : CD STOP
(Page 38)
HCD-GV10AV
34
34
7-15. PRINTED WIRING BOARD – AUDIO Board –
•
See page 25 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC601
B-2
IC602
B-3
IC611
B-8
Q621
B-5
Q622
B-5
Q623
B-6
(Page 40)
AUDIO BOARD
1
4
8
5
9
1
6
5
7
4
3
1
1
2
3
4
4
5
6
7
6
7
2
1
3
6
4
E
E
E
1
4
8
5
1-675-753-
(24)
24
C
MAIN BOARD
CN303
L-CH
R-CH
– B DECK –
HPRE101
RECORD/PLAYBACK
ERASE
2
3
1
4
L-CH
R-CH
– A DECK –
HP101
(PLAYBACK)
1
2
3
4
4
(CHASSIS)
A
B
C
1
2
3
4
5
6
7
8
HCD-GV10AV
35
35
C
MAIN BOARD
(2/3)
CN303
PB LEVEL (L)
(DECK A)
PB LEVEL (L)
(DECK B)
REC BIAS (L)
(DECK B)
REC BIAS (R)
(DECK B)
–7
–7
6.9
6.9
–6.5
–6.5
–6.5
–6.5 (–7.2)
(PALYBACK)
PB EQ AMP
(DECK A)
PB EQ AMP
(DECK B)
SWITCHING
T621
BIAS OSC
REC BIAS
NC
A+7.5V
APB-LCH
APB-RCH
AGND
BPB-LCH
BPB-RCH
A–7.5V
–VBIAS (–7.5V)
+VBIAS (+7.5V)
BREC-RCH
BREC-LCH
TC-HEAD-GND
R492 1.5K
R491 820
R482 1.5K
R481 820
7-16. SCHEMATIC DIAGRAM – AUDIO Board –
•
See page 55 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : RECORD
(Page 38)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
HCD-GV10AV
36
36
DECK A
PLUNGER
DECK B
PLUNGER
(DECK A PLAY)
(DECK A HALF)
(DECK A 120/70)
(DECK A REC)
MAIN BOARD
CN304
(DECK B HALF)
(DECK B PLAY)
(DECK B 120/70)
(DECK B REC)
11
11
D
4
1
2
3
4
1
2
3
(
)
1-676-219-
7-17. PRINTED WIRING BOARD – LEAF SW Board –
•
See page 25 for Circuit Boards Location.
D
MAIN BOARD
(2/3)
CN304
*
(3.7)
*
4.5
( )
DECK B
PLUNGER
DECK A
PLUNGER
(CAPSTAN)
(DECK A 120/70)
(DECK A HALF)
(DECK A REC)
(DECK B HALF)
(DECK B REC)
(DECK B 120/70)
ROTATION DETECT SENSOR
(DECK A)
ROTATION DETECT
SENSOR (DECK B)
(DECK A PLAY)
(DECK B PLAY)
CONTROL SWITCH
CAPM–
CAPM+
CAPM–H/L
A–TRGM
TRGM–GND
B–TRGM
A–SHUT
DGND
A–HALF
+5V
A–120/70
B–SHUT
A–PLAY
B–HALF / REC–A / REC–B
B–120/70
B–PALY
NC
7.5k
7-18. SCHEMATIC DIAGRAM – LEAF SW Board –
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TAPE PLAY (DECK A)
(
no mark : TAPE PLAY (DECK A)
(
) : TAPE PLAY (DECK B)
∗
: Impossible to measure
(Page 40)
(Page 38)
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