Sony PMC-DR50L / PMC-DR70L Service Manual ▷ View online
– 39 –
– 40 –
PMC-DR50L/DR70L
5-8. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
z
Refer to page 67 for Notes.
z
Refer to page 68 for Waveforms.
– 41 –
– 42 –
PMC-DR50L/DR70L
5-9. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –
z
Refer to page 67 for Notes.
– 43 –
– 44 –
PMC-DR50L/DR70L
5-10. PRINTED WIRING BOARDS – JACK SECTION –
z
Refer to page 25 to 26 for Circuit Boards Location.
02
2
3
4
5
6
7
8
A
1
B
C
D
E
JACK BOARD
C348
C153
C253
C147
C399
C398
R360
D309
R246
R342
R367
R330
R379
RA15
R156
R351
R302
R392
R393
R395
R146
R344
R391
R378
R251
R362
R305
R361
R368
RA331
R376
R331
R369
R255
R256
R252
R399
R398
R394
R152
R153
R345
R151
R253
C359
C351
C397
C155
C357
C247
C352
C255
C355
C360
C392
CA253
C342
CA352
C394
C393
C391
C313
L311
CA312
C311
C341
C356
CA301
C340
C152
C252
C312
C346
J14
B
C
E
Q399
B
C
E
Q398
J1
J3
J2
D305
C350
CA156
CA256
B
C
E
Q319
B
C
E
Q103
E C B
Q203
E
C
B
Q335
LA312
E C B
E C B
Q314
E
C
B
Q334
D320
D308
D315
D311
D313
D310
J13
JA14
J4
J5
J9
J7
J10
J6
J11
J12
JA311
1
5
CN308
1
3
CN313
1
4
PH01
1
5
7
CN311
B
C
E
C
E
Q315
B
C
E
C
E
Q318
G
A
AMP BOARD
CN503
(Page 59)
DSP BOARD
CN753
(Page 48)
M
CPU BOARD
CN803
(Page 53)
CN311
POWER IN
FROM SP-R
PH01
OPTICAL
DIGITAL OUT(CD)
JK311
SIGNAL OUT
JK312
SIGNAL OUT
BASS
L
R
1
4
8
IC303
5
1
5
CN314
F
CONTROL
BOARD
CN314
(Page 54)
11
(11)
1-676-102-
1-673-338-
1
7
5
R390
CN303
11
(11)
9
5
1
R160
R158
M
M160
CAPSTAN/REEL
MOTOR
TC RF BOARD
S303
(FWD ERASE PROOF)
S305
(CrO2)
S302
(HEAD POSITION)
S301
(HALF DET)
S304
(REV ERASE PROOF)
PM160
PLUNGER
SOLENOID
SOLENOID
CN691
PH160
DR70L
RV160
Q323
1
4
CN312
1
4
CN312
P
MAIN BOARD
CN305
(Page 36)
N
MAIN BOARD
CN308
(Page 36)
D
MAIN BOARD
(Page 36)
O
MAIN BOARD
CN303
(Page 35)
DA399
DB399
(TAPE SPEED)
D305
B-4
D308
D-3
D309
D-4
D310
D-4
D311
D-3
D313
D-4
D315
D-3
D320
D-3
DA399
D-2
DB399
D-2
IC303
C-4
Q103
C-4
Q203
D-4
Q314
D-3
Q315
C-2
Q318
D-3
Q319
D-4
Q323
D-2
Q334
D-4
Q335
D-2
Q398
B-2
Q399
A-2
Ref. No.
Location
z
Semiconductor
Location
Note:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
There are a few cases that the part isn’t mounted in
model is printed on diagram.
model is printed on diagram.
– 45 –
– 46 –
PMC-DR50L/DR70L
5-11. SCHEMATIC DIAGRAM – JACK SECTION –
z
Refer to page 67 for Notes.
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