Printed Wiring Board - Leaf Sw Board; Schematic Diagram - Leaf Sw Board - Sony HCD-GRX9900 Service Manual

HCD-GRX9900/RXD9
7-12. PRINTED WIRING BOARD – LEAF SW Board – •
4 3
1 2
(DECK A PLAY)
05
7-13. SCHEMATIC DIAGRAM – LEAF SW Board –
(CAPSTAN)
DECK B DECK A
PLUNGER PLUNGER
(DECK A 120/70)
(DECK A HALF)
(DECK A REC)
(DECK B HALF)
(DECK B REC)
(DECK B 120/70)
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
( ) : RECORD
: Impossible to measure
See page 28 for Circuit Boards Location.
DECK A ( )
PLUNGER
(DECK A REC)
(DECK A 120/70)
(DECK A HALF)
E
(Page 43)
CONTROL SWITCH
ROTATION DETECT SENSOR
(DECK A)
ROTATION DETECT
SENSOR (DECK B)
(DECK A PLAY) (DECK B PLAY)
– 41 –
DECK B
PLUNGER
4 3
(DECK B PLAY)
1 2
(DECK B 120/70)
(DECK B HALF)
21
21
E
(Page 49)
• Semiconductor Location
Ref. No. Location Ref. No. Location
Q113
D141 E-10
D191 E-12 Q161
D331 E-1 Q162
Q163
D333 F-1
D334 E-1 Q191
D335 F-1 Q192
Q201
D401 G-11
D403 F-12 Q251
D405 H-6 Q331
Q332
D406 J-4
D407 I-2 Q333
Q334
D411 G-3
D501 D-7 Q335
D502 E-6 Q336
Q337
D503 D-6
D504 D-7 Q338
D505 D-7 Q339
Q340
D506 D-7
D509 F-2 Q341
D607 E-5 Q342
Q343
D644 C-8
D801 J-11 Q401
D802 G-9 Q402
D803 G-11 Q411
D831 I-6 Q412
Q431
D832 J-7
D851 J-10 Q432
D852 G-9 Q433
Q434
D881 H-9
D901 J-4 Q435
D902 J-4 Q436
Q437
D903 J-4
D904 I-4 Q439
D905 I-1 Q471
Q501
D906 H-1
D907 J-5 Q508
D908 I-5 Q509
D909 J-5 Q801
D910 J-5 Q803
Q804
D915 I-4
D921 H-4 Q831
D922 G-4 Q832
Q851
D923 G-4
D924 F-2 Q881
D925 G-4 Q901
Q902
IC101 C-10 Q903
IC301 B-3 Q904
Q905
IC381 A-12
IC501 D-5 Q907
Q908
IC502 D-7
IC801 H-10 Q909
IC901 G-6 Q913
Q914
IC902 G-4
IC903 H-4 Q923
Q951
Q952
Q111 D-10
Q112 D-10
– 42 –
E-9
C-9
C-9
E-9
E-12
E-10
D-9
C-9
C-1
C-2
C-2
C-2
D-1
F-1
F-1
F-1
F-1
E-1
E-1
F-1
E-1
F-12
E-12
G-2
G-3
G-12
G-11
F-11
F-11
F-11
F-11
G-12
F-12
F-2
D-7
D-7
E-7
H-10
G-10
G-9
G-10
G-10
J-10
I-9
H-2
I-1
H-1
G-4
G-4
G-5
G-4
I-4
H-1
G-2
H-1
G-2
H-1