Sony PMC-DR50L / PMC-DR70L Service Manual ▷ View online
– 31 –
– 32 –
PMC-DR50L/DR70L
5-4. BLOCK DIAGRAMS – TAPE SECTION –
• Signal path.
F
: FM
J
: CD
E
: PB
a
: REC
– 33 –
– 34 –
PMC-DR50L/DR70L
5-5. BLOCK DIAGRAMS – SPEAKER SECTION –
• Signal path.
F
: FM
– 35 –
– 36 –
PMC-DR50L/DR70L
5-6. PRINTED WIRING BOARDS – MAIN SECTION –
z
Refer to page 25 to 26 for Circuit Boards Location.
02
2
3
4
5
6
7
8
9
10
11
12
13
A
1
B
C
D
E
F
G
R124
R304
R240
R140
R321
R41
R42
R43
R40
R216
R309
R121
R123
R115
R215
R384
R214
R120
R225
R125
R220
R224
R308
R385
R223
R222
R211
R111
R39
R135
R17
RA31
R122
R221
R317
C320
C58
C126
C225 C321
C226
C125
C328
C212
C94
CA120
CA95
CA96
C97
CC97
C55
C123
C223
CA220
CA51
B
C
E
Q351
B
C
E
Q204
B
C
E
Q104
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
DA317
B C E
Q327
A
G D S
Q368
B C E
Q367
J163
J132
J164
J165
J166
J162
J170
J171
J169
J168
J167
1
4
8
IC307
5
1
11
22
12
15
20
10
IC3
5
L311
L111
L211
L331
L131
L231
L8
JK301
LINE OUT
JK302
LINE IN
CA57
CA56
C59
CA10
C52
C44
C13
C48
C205
C204
C201
C203
C104
C105
C339
C340
C341
CA342
C21
C103
JA88
C79
CA155
C77
C65
CB155
RB155
CA14
C16
R32
R12
R114
R8
R74
R33
R34
R13
R15
R61
R14
R65
RA155
R5
R6
RA315
R271
R101
R102
R103
R95
CN813
R93
R91
R92
R38
R374
R204
R201
R210
R110
R127
R227
R212
R350
R381
R203
R31
R30
RA24
CA50
C6
CC302
CA301
C41
C43
D9
JC31
D2
D1
D4
D3
C42
CA13
C14
C8
C51
RC199
J198
J130
GND VT
TP1
CF7
TU1
8
7
6
5
4
3
2
1
CN1
CN1
MW/LW
JK1
FM75
EXT. ANT.
E
C
B
Q3
E
C
B
Q19
D
S
G
Q108
E C B
Q5
D6
C71
CA230
CT3
CT102
CT4
C73
C17
C78
C19
R62
R60
R64
R59
R58
R63
R70
RA70
J101
J216
D8
B
C
E
Q4
E
C
B
Q7
S
D
G
QA7
L7
L4
L10
L5
SFR1
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
R94
R370
R348
R44
R36
R57
R27
R325
R390
R316
RA39
R56
R7
C167
CA94
C54
C46
C32
CA315
J110
C142
C24
C49
C316
CA11
C314
C311
C315
C35
CA35
CA38
C38
C15
C26
R23
RA73
R51
R73
R21
CA19
C20
C7
C89
C30
C31
C33
C313
CA313
C245
C246
C244
C144
C145
C146
C93
C242
CA338
CA337
C96
C95
C382
C62
J104
J103
J131
J105
J113
J112
J114
J214
JB210
J210
J208
J184
J106
J108
J107
J213
J212
J204
J211
J190
CF1
CF2
CF4
C64
C27
C18
C327
C108
C22
C37
C61
CA111
C302
C208
C141
C243
C23
C25
C60
C98
C202
C325
C326
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)
D
JACK BOARD
(Page 44)
P
TC RF BOARD
CN691
(Page 44)
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
C
E
Q306
E
C
B
C
B
Q304
E
C
B
C
B
Q326
E
C
B
C
B
Q305
L6
L13
L9
L14
J129
J128
JA7
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
S
D
G
Q271
S
D
G
Q171
CF3
T2
T4
D10
1
5
7
CN301
C101
C307
C329
C112
C324
D318
D301
J172
J173
J175
J156
J149
J151
J155
J123
J124
J120
JA120
J133
J150
J145
J153
J141
J154
J122
J121
J173
J138
J116
J159
J196
JA194
J215
J214
J174
J158
J143
J142
D317
D319
D20
1
10
12
13
15
20
IC301
IC305
5
J161
1
7
5
1
5
9
CN303
J160
D314
J213
J176
J157
J147
J152
J134
J125
J118
J117
J126
J127
J127
J144
J212
J146
J194
J140
J148
J177
J200
J178
J179
J180
J181
J182
E C B
Q320
J136
J135
J115
R346
DA318
B C E
Q333
CA64
1
5
CN308
IC302
DA316
IC4
1
1
5
8
9
12
16
5
10
16
17
20
25
30
32
J192
J100
J193
J183
J185
J119
C381
C335
C385
C334
C337
C380
C91
C92
C336
C347
C312
E C B
Q330
S D G
Q317
D316
D304
D380
B
C
E
Q381
1 2 3
IC304
L301
1
5
9
CN305
11
(11)
1-676-101
1
1
3
5
7
CN811
CN815
J
CPU BOARD
CN811
(Page 54)
N
JACK BOARD
CN308
(Page 44)
O
JACK BOARD
CN303
(Page 44)
1
56
CN812
K
CPU BOARD
CN812
(Page 54)
1
5 6
CN302
C
DSP BOARD
CN752
(Page 48)
1
4
CN304
H
CONTROL BOARD
CN304
(Page 54)
1
4
1
4
CN307
L
VOL BOARD
CN809
(Page 54)
J211
D361
X2
D11
DA380
MAIN BOARD
X1
J102
CA21
CA204
R386
R383
R312
R245
L-CH
R-CH
ERASE
HRPE101
RECORD/PLAYBACK/ERASE
HEAD
4
3
6
5
2
1
HEAD RELAY BOARD
11
(11)
1-673-339-
CN301
A
B
B
C
G
C
P
M
M
P
G
Z
Z
24
CA304
CB304
D1
D-4
D2
D-4
D3
F-4
D4
F-4
D6
F-5
D8
G-6
D9
D-6
D10
D-7
D11
E-10
D20
D-7
D301
D-9
D304
F-12
D312
F-11
D314
B-8
D316
F-12
Ref. No.
Location
z
Semiconductor
Location
Ref. No.
Location
D317
B-8
D318
B-7
D319
C-8
D361
B-12
D380
B-12
DA315
DA316
DA316
C-11
DA317
B-10
DA318
B-11
DA380
F-12
IC2
F-9
IC3
D-5
IC4
C-12
IC301
C-8
IC302
C-11
IC304
B-12
IC305
B-7
IC307
C-6
Q1
E-7
Q3
F-4
Q4
F-6
Q5
F-5
Q6
D-7
Q7
F-6
Q16
F-10
Q17
F-10
Q19
F-16
Q101
B-5
Q102
B-10
Q104
B-5
Q108
E-5
Q131
D-4
Q132
D-5
Q171
D-9
Q201
B-5
Q202
B-10
Q204
B-4
Q231
C-4
Q232
C-4
Q271
D-8
Q301
E-12
Q302
D-8
Q303
D-7
Q304
F-11
Q305
F-11
Q306
F-11
Q307
C-7
Q308
E-11
Q309
G-11
Q311
E-12
Q312
E-12
Q316
B-9
Q317
G-12
Q320
C-10
Q324
E-11
Q325
E-11
Q326
F-11
Q327
B-6
Q328
F-11
Q329
B-11
Q330
E-12
Q333
C-9
Q351
B-5
Q367
B-7
Q368
B-7
Q381
A-12
QA7
F-7
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Note:
• X
: parts extracted from the component side.
•
x
: parts mounted on the conductor side.
•
f
: internal component.
• 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.
– 37 –
– 38 –
PMC-DR50L/DR70L
5-7. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) –
z
Refer to page 67 for Notes.
z
Refer to page 68 for Waveforms.
Click on the first or last page to see other PMC-DR50L / PMC-DR70L service manuals if exist.