– 37 – – 38 –– 35 – – 36 –
PMC-DR50L/DR70L
5-4. PRINTED WIRING BOARDS – MAIN SECTION –
Note:
• X : parts extracted from the component side.
• p : parts mounted on the conductor side.
•
¢
: internal component.
• b : Pattern from the side which enables seeing.
r
Refer to page 25 for Circuit Boards Location.
D1 D-6
D2 D-6
D3 F-6
D4 F-6
D6 F-7
D8 G-8
D9 D-8
D10 D-9
D11 E-12
D20 C-9
D301 D-11
D304 F-14
D305 B-4
D308 D-3
D309 D-4
D310 D-4
D311 D-3
D312 F-13
D313 D-4
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
DA10 D-8
DA315
DA316 C-13
DA317 B-12
DA318 B-13
DA380 F-14
IC2 F-10
IC3 D-7
IC4 C-14
IC301 C-10
IC302 C-13
IC303 C-4
IC304 B-13
IC305 B-10
IC307 C-8
PH01 C-2
PH160 E-16
Q1 E-9
Q3 F-6
Q4 F-8
Q5 F-7
Q6 D-9
Q7 F-8
Q16 F-12
Q17 E-12
Q19 F-8
Q101 B-7
Ref. No. Location
r
Semiconductor Location
Ref. No. Location
Q102 B-12
Q103 C-4
Q104 B-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-13
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-2
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 A-14
Q398 B-2
Q399 B-2
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
C399
C398
R321
R41
R42
R43
R40
R216
R309
R121
R123
R115
R215
R384
R214
R360
R302
R246
R342
R376
R367
RA15
R156
R351
R392
R393
R395
R146
R344
R391
R120 R225
R125
R220
R224
R308
R385
R223
R222
R211
R111
R39
R135
R17
R122
R221
R317
R378
R251
R362
R361
R368
R330
R305
R331
R369
R379
R255
R256
R252
R399
R398
R394
R152
R153
R345
R151
R253
C359
C351
C397
C155
C320
C58
C126
C357
C225
C321
C226
C125
C328
C247
C212
C352
C255
C355
C94
CA95
CA96
C97
C55
C123
C360
C392
C342
C393
C394
C391
C223
C341
C356
C340
C152
C252
C346
J14
B
C
E
Q399
B
C
E
Q398
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
Q314
E
C
B
Q334
D320
D308
D315
D311
D313
D310
D317A
D309
J13
J4
J5
J9
J7
J10
J6
J11
J12
J8
1
5
CN308
1
3
CN313
1
4
CN312
PH01
1
5
7
CN311
B
C
E
Q315
B
C
E
Q323
B
C
E
Q318
G
A
AMP BOARD
CN503
(Page 64)
DSP BOARD
CN753
(Page 49)
M
CPU BOARD
CN803
(Page 60)
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
CN304
F
CONTROL
BOARD
CN314
(Page 61)
11
(11)
1-676-102-
175
R390
CN303
B C E
Q327
B C E
Q368
B C E
Q367
J163
J132
J164
J165
J166
J162
J170
J171
J169
J168
J167
1
4
8
IC307
5
1
11
22
121520
10
IC3
5
L311
L111
L211
L331
L131
L231
L8
JK301
LINE OUT
JK302
LINE IN
C57A
CA56
C59
C52
C44
C13
C48
C205
C204
C201
C203
C104
C105
C382
C339
C340
C341
CA342
C21
C103
CA88
C79
C50
C77
C65
C63
C39
CA14
C16
R32
R12
R114
R8
R74
R33
R34
R13
R15
R61
R14
R65
R155
R5
R6
RA315
R271
R101
R102
R103
R95
R93
R91
R92
R38
R374
R204
R201
R210
R110
R127
R227
R212
R350
R381
R203
R31
R30
RA24
C43
C6
C41
D9
D2
D1
D4
D3
C42
C14
C8
C51
CA10
J199
J198
J130
J131
GND VT
TP1
CF7
TU1
8765 4321
CN1
CN1
MW/LW
JK1
FM75Ω
EXT. ANT.
E
C
B
Q3
E
C
B
Q19
G
S
D
Q108
E C B
Q5
D6
C71
CT3
CT102
CT4
CT5
C73
C17
C78
C19
R62
R60
R64
R59
R58
R63
R70
J101
J216
D8
B
C
E
Q4
E
C
B
Q7
L7
L4
L10
L5
SFR1
R16
R24
R37
R202
R314
R315
R324
R116
R319
R349
R318
R320
R382
R306
R307
R112
R145
R387
R104
R301
R171
R303
R343
R371
R340
R357
R356
R328
R358
R339
R338
R337
R94
R370
R348
R44
R36
R18
R57
R27
R325
R390
R316
RA39
R56
R7
C167
CA94
C54
C46
C32
DA315
C142
C24
C49
C316
C314
C311
C315
C35
C38
C15
C26
C28
R23
R51
R73
R21
R19
C20
C7
C89
C30
C31
C33
C313
C245
C246
C244
C144
C145
C146
C93
C242
C96
C95
C62
J104
J103
J105
J113
J112
J114
J214
J210
J208
J184
J106
J108
J107
J213
J212
J204
J211
J190
CF1
CF2
C64
C27
C18
C327
C108
C22
C37
C61
C88
C302
C208
C141
C243
C23
C25
C60
C98
C202
C325
C326
C304
C143
C102
C56
C57
C241
C301
C333
1 5 10 12
1315
20
24
IC2
C29
1
2
10
15
18
19
5
CN804
I
CPU BOARD
CN804
(Page 59)
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
J197
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
E
C
B
Q271
E
C
B
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
J141
J154
J122
J121
J173
J138
J116
J159
J196
J194
J215
J214
J174
J158
J143
J142
D317
D319
D20
1
1012
13 15 20 24
IC301
IC305
5
J161
1
75
1
5
9
CN303
J160
D314
J212
J213
J176
J157
J152
J134
J139
J125
J118
J117
J126
J127
J144
J146
J147
J140
J148
J177
J200
J178
J179
J180
J181
J182
E C B
Q320
J136
J135
J115
R347
R346
DA318
B C E
Q333
CA64
1
5
CN308
IC302
DA316
IC4
1
1
5
8
9
12
16
510 16
1720253032
J192
J100
J193
J183
J185
J119
C381
C335
C385
C334
C337
C380
C91
C92
C336
C347
C312
E C B
Q330
E C B
Q317
D316
D304
D380
B
C
E
Q381
1 2 3
IC304
L301
1
59
CN305
11
(11)
11
(11)
1-676-101- 1-673-338-
1
57
CN811
J
CPU BOARD
CN811
(Page 60)
1
56
CN812
K
CPU BOARD
CN812
(Page 60)
1
56
CN302
C
DSP BOARD
CN752
(Page 49)
1
4
CN304
H
CONTROL BOARD
CN304
(Page 61)
1
4
CN307
L
VOL BOARD
CN809
(Page 60)
J211
D361
X2
D11
DA380
[MAIN BOARD]
X1
J102
CF4
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-
DR70L
CN301
RV160
pC311
pC312
pC313
pL311
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