– 31 –
– 32 –
– 29 –
– 30 –
PMC-DR50
5-4. PRINTED WIRING BOARDS – MAIN SECTION –
Note:
•
X
: parts extracted from the component side.
•
f
: internal component.
•
b
: Pattern from the side which enables seeing.
z
Refer to page 20 for Circuit Boards Location.
Q102
B12
Q103
C-4
Q104
C-7
Q108
E-7
Q131
D-6
Q132
D-6
Q171
D-11
Q201
B-7
Q202
B-12
Q203
D-4
Q204
B-6
Q231
C-6
Q232
C-6
Q271
D-9
Q301
E-14
Q302
D-10
Q303
D-9
Q304
F-13
Q305
F-13
Q306
F-12
Q307
C-9
Q308
E-13
Q309
G-13
Q311
E-14
Q312
E-14
Q314
D-3
Q315
C-2
Q316
B-11
Q317
G-14
Q318
D-3
Q319
D-4
Q320
C-12
Q323
D-2
Q324
E-12
Q325
E-13
Q326
F-13
Q327
B-8
Q328
F-13
Q329
B-13
Q330
E-14
Q333
C-11
Q334
D-4
Q335
D-2
Q351
B-7
Q367
B-9
Q368
B-9
Q381
A14
D1
D-6
D2
E-6
D3
E-6
D4
F-6
D6
F-7
D9
D-8
D10
D-9
D11
E-12
D20
D-8
D301
D-11
D304
F-14
D305
B-4
D308
D-3
D309
D-3
D310
D-4
D311
D-3
D312
F-13
D313
D-3
D314
B-10
D315
D-3
D316
F-14
D317
B-10
D318
B-9
D319
C-10
D320
D-3
D361
B-14
D380
B-14
DA316
C-13
DA317
B-12
DA318
B-13
DA380
F-14
DA399
D-2
IC2
F-10
IC3
D-7
IC301
C-10
IC302
C-13
IC303
C-4
IC304
B-13
IC305
B-10
IC307
C-8
PH1
C-2
PH160
E-16
Q1
E-9
Q6
D-9
Q16
F-12
Q17
E-12
Q101
B-7
Ref. No.
Location
z
Semiconductor Location
Ref. No.
Location
02
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
A
1
B
C
D
E
F
G
R124
R304
R240
R140
[JACK BOARD]
C348
C153
C253
C147
R321
R41
R42
R43
R17
RA31
R216
R309
R121
R123
R115
R215
R384
R214
R360
R302
R246
R342
R376
R367
RA15
R156
R351
R146
R120
R225
R125
R220
R224
R308
R385
R223
R222
R211
R111
R39
R135
R40
R122
R221
R317
R378
R251
R362
R361
R368
R330
R305
R331
R369
R379
R255
R256
R252
R152
R153
R345
R151
R253
C359
C351
C155
C320
C58
C126
C357
C225
C321
C226
C125
C328
C247
C212
C352
C255
C355
C94
CA95
CA96
C97
C55
C123
C360
C392
CA156
CA256
C342
CA253
C393
C394
C391
C223
C341
C356
CA301
C340
C152
C252
C346
J1
J3
J2
D305
C350
B
C
E
Q351
B
C
E
Q204
B
C
E
Q104
B
C
E
Q319
B
C
E
Q103
E C B
Q203
E
C
B
Q202
E
C
B
Q102
E
C
B
Q329
E
C
B
Q231
E
C
B
Q232
E
C
B
Q101
E
C
B
Q201
E
C
B
Q131
E
C
B
Q132
E
C
B
Q335
E
C
B
Q334
D320
D308
D315
D311
D313
D310
DA317
D309
J13
JA14
J4
J5
J9
J7
J10
J6
J11
J12
1
5
CN308
1
3
CN313
CN312
PH1
1
5
7
CN311
B
C
E
Q315
B
C
E
Q318
G
A
AMP BOARD
CN503
(Page 58)
DSP BOARD
CN753
(Page 43)
M
CPU BOARD
CN803
(Page 54)
CN311
POWER IN
FROM SP-R
PH1
OPTICAL
DIGITAL OUT(CD)
JK311
SIGNAL OUT
L
R
1
4
8
IC303
5
1
5
CN304
F
CONTROL
BOARD
CN314
(Page 55)
11
(11)
1-676-102-
1
7
5
CN303
G D S
Q368
B C E
Q367
J163
J164
J165
J166
J170
J171
J169
J168
J167
1
4
8
IC307
5
1
11
22
12
15
20
10
IC3
5
L111
L311
L211
L331
L131
L231
L8
JK301
LINE OUT
JK302
LINE IN
CA57
CA56
C59
C52
C44
C13
CA13
C48
C205
C204
C201
C203
C104
C105
C339
C340
C341
CA342
C21
CA204
C103
CA304
CB304
C79
CA155
C77
C65
CB155
CA14
C16
R32
R12
R114
R8
R74
RC199
R33
R34
R13
R15
R14
RA155
RB155
R5
R6
RA315
R271
R101
R102
R103
R38
R374
R204
R201
R210
R110
R127
R227
R212
R350
R381
R203
R31
R30
RA24
C43
CA50
CA230
C6
CA301
CC302
C41
D9
D2
D1
D4
D3
C42
C14
C8
C51
CA10
J198
J130
GND VT
TP1
CF7
TU1
8
7
6
5
4
3
2
1
CN1
CN1
AM
JK1
FM75
Ω
EXT. ANT.
D
S
G
Q108
D6
C17
C20
L4
L5
SR1
R16
R24
R37
R202
R314
R315
R324
R116
R319
RA317
R349
R318
R320
R382
R306
R307
R112
R145
R387
R104
R301
R171
R303
R343
R371
R347
R340
R357
R356
R328
R358
R339
R338
R337
R348
R44
R36
R57
R27
R325
R390
R316
RA39
R56
R7
R3
C167
C54
C46
C32
CA11
CA315
C142
C24
C49
C316
C314
C311
C315
C35
C38
CA38
CA35
C15
C26
CA19
CA21
R23
R51
RA73
R73
R21
C7
C89
C30
C31
C33
C313
CA313
C245
C246
C244
C144
C145
C146
C242
CA337
CA338
C382
C62
J104
J103
J105
J113
J112
J114
J214
J210
JB210
J208
J184
J106
J108
J107
J213
J212
J204
J211
J190
CF1
CF2
CF4
C64
C27
C18
C108
C22
C37
C61
C302
C208
C141
C243
C23
C25
C60
C98
C202
C325
C326
C327
C304
C143
C102
C56
C57
C241
C301
C333
1
5
10
12
13
15
20
24
IC2
C29
1
2
10
15
18
19
5
CN804
I
CPU BOARD
CN804
(Page 53)
R72
R26
R20
R28
R359
R332
R352
R335
R380
R389
R377
R379
R388
R353
R334
R378
R344
R313
R311
J202
J201
J207
J206
J209
J187
J186
J203
J205
J198
J191
J188
J111
D312
B
C
E
Q308
B
C
E
Q325
B
C
E
Q301
E
C
B
Q16
E
C
B
Q17
E
C
B
Q312
E
C
B
Q311
E
C
B
Q309
B C E
Q328
B C E
Q324
B
C
E
Q306
E
C
B
Q304
E
C
B
Q326
E
C
B
Q305
L6
L13
L9
L14
J129
J128
J195
B
C
E
Q302
B
C
E
Q307
B
C
E
Q316
B
C
E
Q6
B
C
E
Q303
B C E
Q1
D
S
G
Q271
D
S
G
Q171
CF3
T2
D10
1
5
7
CN301
C101
C307
C329
C112
C324
D318
D301
J172
J173
J175
J156
J149
J151
J155
J123
J124
J120
J133
J150
J145
J153
J154
J122
J121
J138
J116
J159
J196
J194
J215
J214
J174
J158
J143
J142
D317
D319
D20
1
10
12
13
15
20
24
IC301
IC305
5
J161
1
7
5
1
5
9
CN303
J160
D314
J213
J176
J147
J152
J134
JA120
J125
J118
J117
J126
J127
J144
J212
J157
J194
J148
J177
J200
J178
J179
J180
J181
J182
E C B
Q320
J136
J135
J115
R346
DA318
B C E
Q333
1
5
CN308
IC302
DA316
1
5
10
16
17
20
25
30
32
J192
J100
J193
J183
J185
J119
C381
C335
C385
C334
C337
C380
C336
C347
C312
E C B
Q330
D316
D304
D380
B
C
E
Q381
1 2 3
IC304
L301
9
5
1
CN305
11
(11)
11
(11)
1-677-780-
1-673-338-
1
5
7
CN811
J
CPU BOARD
CN811
(Page 54)
1
5
6
CN812
K
CPU BOARD
CN812
(Page 54)
1
5
6
CN302
C
DSP BOARD
CN752
(Page 43)
1
4
CN304
H
CONTROL BOARD
CN304
(Page 55)
1
4
CN307
L
VOL BOARD
CN809
(Page 54)
J211
D361
D11
DA380
[MAIN BOARD]
X1
R386
R383
R312
R245
L-CH
R-CH
ERASE
HRPE101
RECORD/PLAYBACK/ERASE
HEAD
4
3
6
5
2
1
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
CN691
PH160
[HEAD RELAY BOARD]
11
(11)
1-673-339-
CN301
RV160
E C B
Q314
RA331
E C B
Q323
1
4
CN312
1
4
C313
L311
C312
C311
CA312
JA311
DA399
DB399
LA312
J
CA352
CA220
CA51
CA120
J131
J132
JC31
J146
P
M
M
P
F
JACK BOARD
F
MAIN BOARD
F
JK1
T4
S D G
Q317
G D S
Q327