Yamaha MSR400 Service Manual page 29

A
■ MSR400 OVERALL CIRCUIT DIAGRAM 2/3 (AMP 1/2)
Q Q
3 7 6 3 1 5 1 5 0
AMP 1/2 (LF)
C201
-15V
CN201 4u7/100V
1 -15V
2 +/-15V-G
3 +15V
+15V
to MIX
4 HF
HF
to AMP 2/2 B2 (P.4)
- CN103 5 SIG-G
6 LF
PIN6
C205
22u/25V
Q203
R201
2SA970
1K1
R203
22K
C207
0.015u
C209
100uF/25V
D203
R204
560 1SS133/175
D201
T E
L 1 3 9 4 2 2 9 6 5 1 3
1SS133/175
C202
Q201
4u7/100V
2SC1815
R207
560
Note: See parts list for details of circuit board component parts.
注：シートの部品詳細はパーツリストをご参照ください。
w w w
.
MSR400
B C
R245
220
D207
1SS133/176
R235
R209 330
560
D208
1SS133/176
C217
Q205
Q211
22P
2SA970
R225 2SC1815 4u7/100V
220
Q219
R219
2SA1371
47K
R210
R227
10K
47K
C215
R220
R239
Q207 0.01u
47K
2K2
2SA970
R228
Q215
47K
2SC4793
R240
330
C211
22P
R215 R216
12K 12K
CN204
1
IDLING
2
to ADJ.
MIX
-CN104
R229 R243
Q242
47K VR201
270
2SC3468
1K
R230
47K
Q216
2SC3468
Q209
C218
4u7/100V
2SC1815
C213 Q213 22P
2200P 2SA1015
R213 R223
R236
560 200
330
R246
220
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D E
8
HF-1
from AMP 2/2 F1 (P.4)
R249
C242
47K
100P
D215
R253
Q235
47K
D1NL20U 2SC3468
R292
5K6
R294
C227
10P 22
ZD201
MTZJ6.8C R296
C223
2K2
D212
HSSB2
Q221
2SC3468
R261 Q227N
Q225N
C4883A 2SC5200
100
R269
4R7
C221
10u/25V
R265
R257 R273
100
330 0.1R/5W
R258 R266 R274
330 100 0.1R/5W
R270
Q225P
Q Q
A1859A
3 4R7 7 6 3
Q227P
R262
2SA1943
100
Q223
2SA1371
D214
HSSB2
C224
ZD202
MTZJ6.8C
R295
C228
22
R293
5K6
10P
R254
Q236
2SA1371
47K
D217
R250
D1NL20U
47K
C243
100P
from AMP 2/2 F4 (P.4) HF-2
u 1 6 3
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F G
2 4
9 9 8
R302
C260
4u7/100V
2R2
D231
D234
C254
IN4004L
FMU-22U 3u3/250V
Q237N
R310
C4883A
4R7
R300
Q238N
2R2
R298 2SC5200
150R R312
4R7
L203
100u
HF-A
to AMP 2/2 F2 (P.4)
D219
IN4004L
L205
4u7
CN206
RL0807-4R7M/E911
1
+/-Vcc-G
2
N.C.
RL0807-4R7M/E911
L206
LF AMP to AMP 2/2 F3 (P.4)
4u7
1 5 1 5 0 8 9 2 4
D220
IN4004L
HF-B
from AMP 2/2 F3 (P.4)
L204
100u
R299
150R
R301
Q238P
2SA1943
2R2
R297
R311
2K2
4R7
Q237P
D232
A1859A
IN4004L
R303 C261
C255
4u7/100V
2R2 3u3/250V
D235
FMU-22U
m
c o
H I
MSR400
2
9 9
1
+Vcc
Q239P
A1859A
R316
2
2R2
Q241N
2SC5200
C264
2200P
R318
680
3
R319
680R
9 8 2 9 9
C265
2200P
R313
4R7
4
R317
2R2
Q241P
Q239N
2SA1943
C4883A
-Vcc
5
6
MSR400
3