HCD-GRX70/GRX70J/RXD80
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
– 41 –
– 42 –
7-12.
PRINTED WIRING BOARD – LEAF SW Board –
•
See page 28 for Circuit Boards Location.
7-13.
SCHEMATIC DIAGRAM – LEAF SW Board –
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
(
) : RECORD
∗
: Impossible to measure
Q113
E-9
Q161
C-9
Q162
C-9
Q163
E-9
Q191
E-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-2
Q412
G-3
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
J-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
Q913
H-1
Q914
G-2
Q923
H-1
Q951
G-2
Q952
H-1
Ref. No.
Location
Ref. No.
Location
D141
E-10
D191
E-12
D331
E-1
D333
F-1
D334
E-1
D335
F-1
D401
G-11
D403
F-12
D405
H-6
D406
J-4
D407
I-2
D411
G-3
D501
D-7
D502
E-6
D503
D-6
D504
D-7
D505
D-7
D506
D-7
D509
F-2
D607
E-5
D644
C-8
D801
J-11
D802
G-9
D803
G-11
D831
I-6
D832
J-7
D851
J-10
D852
G-9
D881
H-9
D901
J-4
D902
J-4
D903
J-4
D904
I-4
D905
I-1
D906
H-1
D907
J-5
D908
I-5
D909
J-5
D910
J-5
D915
I-4
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
Q111
D-10
Q112
D-10
• Semiconductor Location
(Page 49)
(Page 43)
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
(
)