Sony HCD-VX5AJ / MHC-VX5 / MHC-VX5J / MHC-VX7 Service Manual ▷ View online
HCD-VX5A/VX5AJ/VX7A
– 47 –
– 48 –
7-13.
SCHEMATIC DIAGRAM – CD MOTOR Section –
•
See page 77 for IC Block Diagrams.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : CD STOP
no mark : CD STOP
(Page 57)
(Page 57)
DISC TRAY
ADDRESS DETECT
DISC TRAY SLIDE
CLOSE
OPEN
B
(DISC TRAY SLIDE)
DISC IN DETECT
SENSOR
DISC TRAY
SENSOR
DISC
TRAY
TURN
DISC TRAY TURN
MOTOR DRIVER
LEVEL SHIFT
C
HCD-VX5A/VX5AJ/VX7A
– 49 –
– 50 –
7-14.
PRINTED WIRING BOARD – AUDIO Board –
•
See page 28 for Circuit Boards Location.
(Page 55)
05
D
(
)
HCD-VX5A/VX5AJ/VX7A
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : RECORD
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
PB LEVEL (L)
(DECK A)
PB LEVEL (R)
(DECK A)
PB LEVEL (L)
(DECK B)
PB LEVEL (R)
(DECK B)
PB EQ AMP
(DECK A)
PB EQ AMP
(DECK B)
SWITCHING
REC BIAS (L)
(DECK B)
REC BIAS (R)
(DECK B)
BIAS OSC
REC BIAS
-6.8
(PLAYBACK)
D
7-15.
SCHEMATIC DIAGRAM – AUDIO Board –
•
See page 79 for IC Block Diagram.
(Page 61)
– 51 –
– 52 –
HCD-VX5A/VX5AJ/VX7A
– 53 –
– 54 –
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)
E
CONTROL SWITCH
7-16.
PRINTED WIRING BOARD – LEAF SW Board –
•
See page 32 for Circuit Boards Location.
7-17.
SCHEMATIC DIAGRAM – LEAF SW Board –
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : RECORD
∗
: Impossible to measure
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
(Page 61)
(Page 55)
05
DECK A
PLUNGER
DECK B
PLUNGER
(DECK A PLAY)
(DECK A HALF)
(DECK A 120/70)
(DECK A REC)
(DECK B HALF)
(DECK B PLAY)
(DECK B 120/70)
(DECK B REC)
21
21
E
4
1
2
3
4
1
2
3
(
)
D141
E-10
D191
D-12
D331
E-1
D333
F-1
D334
E-1
D335
F-1
D401
G-11
D403
F-12
D405
H-6
D406
I-4
D407
I-2
D411
G-1
D501
D-7
D502
E-6
D503
D-6
D504
D-7
D505
D-7
D506
D-7
D507
E-6
D509
F-2
D607
E-5
D644
C-8
D801
I-11
D802
G-9
D803
G-11
D831
I-6
D832
I-7
D851
I-10
D852
G-9
D881
H-9
D901
I-4
D902
I-4
D903
I-4
D904
I-4
D905
I-1
D906
H-1
D907
I-5
D908
I-5
D909
I-5
D910
I-5
D915
I-4
D917
F-4
D918
H-3
D919
H-3
D921
H-4
D922
G-4
D923
G-4
D924
F-2
D925
G-4
IC101
C-10
IC301
B-3
IC381
A-12
IC501
D-5
IC502
D-7
IC801
H-10
IC901
G-6
IC902
G-4
IC903
H-4
IC904
H-3
Q111
D-10
Q112
D-10
Q113
E-9
Q161
C-9
Q162
C-9
Q163
E-9
Q191
D-12
Q192
E-10
Q201
D-9
Q251
C-9
Q331
C-1
Q332
C-2
Q333
C-2
Q334
C-2
Q335
D-1
Q336
F-1
Q337
F-1
Q338
F-1
Q339
F-1
Q340
E-1
Q341
E-1
Q342
F-1
Q343
E-1
Q401
F-12
Q402
E-12
Q411
G-1
Q412
G-1
Q431
G-12
Q432
G-11
Q433
F-11
Q434
F-11
Q435
F-11
Q436
F-11
Q437
G-12
Q439
F-12
Q471
F-2
Q501
D-7
Q508
D-7
Q509
E-7
Q801
H-10
Q803
G-10
Q804
G-9
Q831
G-10
Q832
G-10
Q851
I-10
Q881
I-9
Q901
H-2
Q902
I-1
Q903
H-1
Q904
G-4
Q905
G-4
Q907
G-5
Q908
G-4
Q909
I-4
Q911
G-3
Q912
G-4
Q913
H-1
Q914
G-2
Q923
H-1
Q951
G-2
Q952
H-1
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