Printed Wiring Boards – Main Section - Sony PMC-DR50 Service Manual
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Also See for PMC-DR50:
- Operating instructions manual (48 pages) ,
- Service manual (54 pages)
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PMC-DR50
Q Q
5-4. PRINTED WIRING BOARDS – MAIN SECTION –
7
3
1
z
Semiconductor Location
Ref. No.
Location
Ref. No.
Location
D1
D-6
Q102
B12
D2
E-6
Q103
C-4
D3
E-6
Q104
C-7
A
D4
F-6
Q108
E-7
D6
F-7
Q131
D-6
[JACK BOARD]
D9
D-8
Q132
D-6
D10
D-9
Q171
D-11
D11
E-12
Q201
B-7
D20
D-8
Q202
B-12
D301
D-11
Q203
D-4
D304
F-14
Q204
B-6
D305
B-4
Q231
C-6
D308
D-3
Q232
C-6
B
D309
D-3
Q271
D-9
D310
D-4
Q301
E-14
D311
D-3
Q302
D-10
D312
F-13
Q303
D-9
D313
D-3
Q304
F-13
D314
B-10
L
Q305
F-13
JK311
D315
D-3
Q306
F-12
SIGNAL OUT
D316
F-14
Q307
C-9
R
D317
B-10
Q308
E-13
C
D318
B-9
Q309
G-13
A
D319
C-10
Q311
E-14
DSP BOARD
D320
D-3
Q312
E-14
CN753
D361
B-14
Q314
D-3
(Page 43)
D380
B-14
Q315
C-2
PH1
DA316
C-13
Q316
B-11
OPTICAL
DA317
B-12
Q317
G-14
T
E
DIGITAL OUT(CD)
DA318
B-13
Q318
L
D-3
1
3
CN311
DA380
F-14
Q319
D-4
POWER IN
DA399
D-2
Q320
C-12
D
FROM SP-R
Q323
D-2
IC2
F-10
Q324
E-12
G
IC3
D-7
Q325
E-13
IC301
C-10
AMP BOARD
IC302
C-13
Q326
F-13
CN503
IC303
C-4
Q327
B-8
(Page 58)
Q328
F-13
IC304
B-13
Q329
B-13
IC305
B-10
Q330
E-14
IC307
C-8
Q333
C-11
PH1
C-2
Q334
D-4
E
CPU BOARD
PH160
E-16
Q335
D-2
CN803
Q351
B-7
(Page 54)
Q1
E-9
Q367
B-9
Q6
D-9
Q16
F-12
Q368
B-9
Q17
E-12
Q381
A14
Q101
B-7
F
02
w w w
Note:
G
• X : parts extracted from the component side.
•
: internal component.
f
• b : Pattern from the side which enables seeing.
– 29 –
z
Refer to page 20 for Circuit Boards Location.
1
5
6
3
2
3
4
5
D305
R345
C346
R255
J3
J1
R152
R153
J2
CN308
C348
1
C152
R256
JK301
R253
IC303
LINE OUT
C340
C153
C252
8
1
5
R252
C247
C253
MAIN BOARD
CN313
5
4
F
1
R251
C352
C255
C341
3
R362
Q315
Q103
J7
B
B
C355
C
C
CN304
Q318
E
Q334
E
1
D311
B
J6
E
CN312
C
C
F
9
4
2
2
9
6
5
CA256
1
3
1
B
JK302
C360
CN311
E
R361
D313
LINE IN
5
CONTROL
7
R305
BOARD
4
Q203
C312
Q319
CN314
J11
E C B
5
Q323
C356
B
R378
R368
C
(Page 55)
E C B
E
R369
E
Q314
E C B
D310
Q335
C
CA301
J10
B
R376
11
R331
CN303
7
5
1
1
1-676-102-
(11)
J
JK1
CN312
FM75Ω
1
M
4
HRPE101
[HEAD RELAY BOARD]
RECORD/PLAYBACK/ERASE
EXT. ANT.
HEAD
CN301
4
L-CH
3
CN1
AM
6
R-CH
5
2
ERASE
x
a
1
o
1-673-339-
11
.
i
(11)
– 30 –
http://www.xiaoyu163.com
1
5
0
6
7
8
9
[MAIN BOARD]
J160
1
J164
Q327
Q101
Q201
Q351
R120
R225
CN303
G D S
R125
E
E
B
7
5
1
C
C
C
R220
J165
B
B
E
R317
M
R385
Q204
C125
P
R224
R308
J163
B
C
C321
R221
E
Q104
Q368
Q367
C225
B
G D S
B C E
CA220
C
R223
1
8
E
C223
C226
IC307
J161
R122
CA51
5
4
R222
C212
Q231
E
E
C
C
Q307
B
B
1
R135
B
Q232
L6
C
R211
J166
R39
E
RA24
E
5
Q303
E
C58
R111
C
R40
C
CA57
B
B
B
1
5
10
11
7
C
Q
Q
D20
E
Q131
Q132
IC3
3
7
CN301
22
R314
X1
20
15
12
R114
CA56
C59
Q6
JC31
B
TP1
C
C52
R31
E
D1
R30
GND VT
C44
RA315
CF7
R32
R12
JK1
C13
TU1
L14
C48
CF1
8 7 6 5
4 3 2 1
R15
C79
L8
B C E
J130
L4
Q1
C77
CA155
Q108
R6
D
R5
S
RA155
C65
G
CB155
CF2
RB155
CA14
CN1
D4
C16
SR1
R14
L5
u
1
6
3
y
http://www.xiaoyu163.com
2
4
8
9
10
11
12
13
CPU BOARD
CPU BOARD
DSP BOARD
CONTROL BOARD
CN812
CN811
CN752
CN304
(Page 54)
(Page 54)
(Page 43)
(Page 55)
K
J
C
H
CN812
1
5
7
1
M
6
5
1
CN811
1
4
CN302
P
IC305
J146
5
CN304
J147
9
6
5
R38
J157
J194
C141
Q329
J148
E
DA318
J149
C
R381
J156
B
R350
J150
Q202
Q102
R212
E
E
R346
D317
Q316
B
C
C
J151
C
J152
B
B
D319
E
Q320
J212
C208
J153
E C B
C142
R227
J154
J158
J155
R127
13
15
20
CA304
J144
Q333
24
J145
R110
C333
J159
B C E
CN308
J136
32
30
25
20
17
IC301
R210
1
1
J135
IC302
12
10
5
Q302
J134
C204
C103
B
R203
C
R103
J133
5
1
5
10
16
E
R201
C104
C203
6
3
1
5
1
5
0
8
C243
CA315
C201
R102
Q171
R204
D
C105
D
S
R101
R271
S
G
G
C302
C205
C347
Q271
J129
JACK BOARD
F
J121
F
C24
J122
C314
J128
J126
C316
C37
J123
C21
L301
C18
J127
J124
T2
C49
C22
CA204
J125
R72
R20
CA11
CF3
T4
C98
Q308
Q325
Q324
C27
C23
B
CA21
R28
B
B C E
C
R313
J113
C
C26
J105
C32
E
CA19
E
J114
R26
Q17
E
E
R311
J112
C
C
E
CF4
C25
E
C15
C60
R23
B
B
C
C
Q16
E
B
B
1
5
10
12
C
B
IC2
B
C
24
20
15
13
D312
C61
E
C46
B C E
Q328
R51
C38
R73
RA73
J115
C64
CA38
C29
Q309
J116
CN804
R359
C54
CA35
E
19
15
5
1
m
C
R332
C35
10
B
R335
18
2
J111
c
o
R352
C167
.
I
CPU BOARD
CN804
(Page 53)
– 31 –
2
9
8
9
9
14
15
16
17
VOL BOARD
CN809
(Page 54)
L
Q381
1
4
B
IC304
C
CN307
E
D361
1 2 3
[TC RF BOARD]
S303
(FWD ERASE PROOF)
J143
J142
PM160
PLUNGER
S305
SOLENOID
(CrO2)
CN691
9
S302
C336
J138
(HEAD POSITION)
9
2
4
9
8
2
9
9
C339
5
C340
C341
CA342
S301
1
JA120
(HALF DET)
R383
J120
C311
Q330
PH160
E C B
R312
RV160
C315
R344
B
C
Q301
E
Q312
Q311
E
E
C
C
J118
R160
B
B
D316
M160
R158
CAPSTAN/REEL
R353
DA380
MOTOR
R378
R388
R334
R379
J117
M
R377
R389
Q317
S304
S D G
(REV ERASE PROOF)
R380
9
5
1
CN305
11
11
1-677-780-
1-673-338-
(11)
(11)
– 32 –
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