Printed Wiring Boards – Main Section - Sony PMC-DR50L Service Manual

PMC-DR50L/DR70L
5-4. PRINTED WIRING BOARDS – MAIN SECTION – r Refer to page 25 for Circuit Boards Location.
1 2 3
A
[JACK BOARD]
Q399
B
C399 R399
C
D305
E R398
Q398 R345
R390
B
R394
C C346
E
C398 J3
DR70L
B
R152
JK312
R151
SIGNAL OUT
R153
CN308
BASS C348
1 C152
R253
C147
IC303
C340
C153
L C252
JK311 8 1
5
SIGNAL OUT
R252
C253
R
C247 5 4
C
A R251
C341 C352
DSP BOARD CN313
R362
Q315
1
CN753
J7
B
(Page 49)
3 C355
C
PH01 Q318
E Q334
OPTICAL
D311
B
E
R379
DIGITAL OUT(CD)
C C
CN312
B
D315
E
CN311 1 B
CN311
R361
7 C
R378
POWER IN J8
D E
FROM SP-R
D308
4 J11
D310 C356
5 Q314 R368
D320 R330
pC312
G
E
J10
E C
R305
AMP BOARD R331
C B
B
CN503
CN303
Q335
1 7 5
(Page 64)
M
E
CPU BOARD
CN803
(Page 60)
HRPE101
RECORD/PLAYBACK/ERASE
HEAD
L-CH
F
R-CH
02
ERASE
G
– 35 –
4 5 6 7
[MAIN BOARD]
J164
Q101 Q201 Q351 Q327
R255
R120 R225
R125 E E B B C E
C C C
J1 R220 J165
B B E
R385
Q204 C125
J2 R308
R224
B
C
R221
Q104 C321
R256 JK301 E
C225
B
LINE OUT R223
C 8
E
C226 C223
IC307
5
R222
Q231
E
E
C
C
B
C255 B
Q232
Q103 R211
J166
B
J162
C
CN304
E E E
R111
1 C C
C57A
J6 B
B 1 5
10 11
F Q132 IC3
Q131
JK302
X1 22 20 15 12
LINE IN
D313 5 CONTROL
CA56
C59
Q203 BOARD
Q319
E C B CN314
B
TP1 C52
C (Page 61)
E
R369
D1
GND VT
C44
CF7
11
C13
1 R32
1-676-102-
(11) D2
TU1
CA88
8 7 6 5 4 3 2 1
JK1
R15
L8
FM75Ω
L4
C50
Q108
R155
G
S
D
C63
[HEAD RELAY BOARD]
EXT. ANT. Q5 C39
D3
E C B
CN301
J131
L7
Q3
CA14
4
E
C16
CN1 D4 C R61
3
B
MW/LW
R14
CN1
6 R65
E
C
5
B
Q19
2
1
1-673-339-
11
(11)
– 36 –
8 9 10 11
CPU BOARD CPU BOARD
CN811 CN812
(Page 60) (Page 60)
K
J
1
5 7
1
5 6
CN811
CN812
C328
IC305
J157
J160
1 5 9
C327
J146
CN303
1 5 7
J147
R317 J148
J163
R350
J149
R381
J156
J150
R212 Q316
Q367 J151
Q368 B
D317
B C E C
B C E J152
1 C108
E
J161 D319
C208 J153
R122
4 R227 J154
J158
J155
C212 R127 13 15 20 24
Q307
Q333
1
R39 B R110 J159
B C E
C
IC301
R135 E R210 1
J135
R17
12 10 5
5 Q303 Q302
C204 C103
J132 B
B
R203
C
7 C
RA24
E R201 C104
C51 E R103
C203
CN301
Q271
C201 R102 E
R204
C105 C
D9 E
C R101 B
R271
Q6
B
C302 Q171
B
C205
C J129
R31 R374
E
R30
RA315
C24
J128
L14
R12 J126
C37
C21
C18 J127
C48
T2
C49
CF1 C22
CF3
Q1 R72
R20
C79
B C E
J130 C27
CF4 C23
C77 R28
R6
C65 C26
R19 C32
J105
R26
R5 C15 C25 E
C
CF2
C28 C60
R23 B
Q16
L10 1 5 10 12
IC2
24 15 13
20
C46
Q7
E C38
R51
C
L5
B R73
C35 C88
Q4 C64
R21
B SFR1
C54 CN804
C
C29
E 19 15
C167 10
18
CA94
I
CPU BOARD
CN804
(Page 59)
12 13 14 15
DSP BOARD CONTROL BOARD VOL BOARD
CN752 CN304 CN809
(Page 49) (Page 61) (Page 60)
C H L
Q381
1 4
1 5 6
B
1 4 IC304 C
CN307
CN302
E
D361
1 2 3
CN304
R38
C382
C141
Q329
E
DA318
C
B
Q202 Q102 J143
R346 R95
E E
J142
C C
R93
B B
R91
J141
R347
C142 C91
Q320
J140
E C B
1 16
X2
IC4
5 12
J145 J144
CN308
J136 32 30 25 20 17 9
8
1
R92
IC302 C92
J134 J173
C336
J133 5 J138
1 5 10 16
C243 DA315
C339
J139
C347 C340
C341
CA342
J121
R383
C316
J122
C314
J120
C311
Q330
J123
L301
E C B
R312
J124
C312
J125
C315 R344
B
C Q301
C98 Q308 Q325 E
Q324
Q312 Q311
B
B
B C E
C R313 E
J113 C E
E C
E C
J114 J118
B B
Q17
E R311
D316
J112 E
C E
B C
C
R353 DA380
E
B
B
C
B R378
R388
B
C R334
D312 R379
E
C61
B C E J117
Q328
J115 R377
R389
Q309 J116 Q317
R359
E R335
5 1 R380 E C B
C
R332
B R352 1 5 9
2
J111 CN305
11
1-676-101-
(11)
– 37 –
16 17
r Semiconductor Location
Ref. No. Location Ref. No. Location
D1 D-6 Q102 B-12
D2 D-6 Q103 C-4
D3 F-6 Q104 B-7
D4 F-6 Q108 E-7
D6 F-7 Q131 D-6
D8 G-8 Q132 D-6
D9 D-8 Q171 D-11
D10 D-9 Q201 B-7
D11 E-12 Q202 B-12
D20 C-9 Q203 D-4
[TC RF BOARD] D301 D-11 Q204 B-6
D304 F-14 Q231 C-6
D305 B-4 Q232 C-6
D308 D-3 Q271 D-9
D309 D-4 Q301 E-13
S303
(FWD ERASE PROOF)
D310 D-4 Q302 D-10
D311 D-3 Q303 D-9
D312 F-13 Q304 F-13
PM160
D313 D-4 Q305 F-13
PLUNGER
D314 B-10 Q306 F-12
S305
SOLENOID
(CrO2)
D315 D-3 Q307 C-9
D316 F-14 Q308 E-13
D317 B-10 Q309 G-13
D318 B-9 Q311 E-14
D319 C-10 Q312 E-14
CN691
D320 D-3 Q314 D-2
D361 B-14 Q315 C-2
9
D380 B-14 Q316 B-11
S302
DA10 D-8 Q317 G-14
(HEAD POSITION)
DA315 Q318 D-3
5 DA316 C-13 Q319 D-4
DA317 B-12 Q320 C-12
DA318 B-13 Q323 D-2
DA380 F-14 Q324 E-12
Q325 E-13
S301
1
(HALF DET)
IC2 F-10 Q326 F-13
IC3 D-7 Q327 B-8
IC4 C-14 Q328 F-13
IC301 C-10 Q329 B-13
PH160
IC302 C-13 Q330 E-14
RV160
IC303 C-4 Q333 C-11
IC304 B-13 Q334 D-4
IC305 B-10 Q335 D-2
IC307 C-8 Q351 B-7
Q367 B-9
R160 PH01 C-2 Q368 B-9
PH160 E-16 Q381 A-14
M160
R158 Q398 B-2
CAPSTAN/REEL
Q399 B-2
MOTOR
Q1 E-9
Q3 F-6
Q4 F-8
Q5 F-7
Q6 D-9
M
Q7 F-8
Q16 F-12
Q17 E-12
S304
Q19 F-8
(REV ERASE PROOF) Q101 B-7
11
1-673-338- Note:
(11)
• X : parts extracted from the component side.
• : parts mounted on the conductor side.
p
• : internal component.
¢
• b : Pattern from the side which enables seeing.
– 38 –