Yamaha MSR400, Service Manual

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A B C D E F G H I
2
3
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MSR400
4
MSR400
MSR400
■
MSR400 OVERALL CIRCUIT DIAGRAM 2/3 (AMP 2/2, AC INLET, SW)
IDLING
ADJ.
C229
10P
R255
47K
C225
4u7/100V
R205
22K
R206
750
R202
1K
R212
10K
R211
560
R241
2K2
Q204
2SA970
R252
47K
R238
330
C220
22P
C214
2200P
C208
100PF
R251
47K
1
2
CN207
C210
100uF/25V
C206
22u/25V
C203
4u7/100V
Q206
2SA970
Q208
2SA970
D204
1SS133/176
D202
1SS133/176
Q217
2SC4793
Q212
2SC1815
Q210
2SC1815
Q202
2SC1815
Q220
2SA1371
C204
4u7/100V
C212
47P
R217
11K
R224
200
R226
220
R218
11K
R214
560
R208
560
D210
1SS133/176
D209
1SS133/176
R221
47K
R222
47K
R271
4R7
R231
47K
R232
47K
R260
330
R256
47K
R272
4R7
R275
0.1R/5W
R264
100
R267
100
R237
330
R242
330
R244
270
R248
220
R276
0.1R/5W
R263
100
R259
330
R247
220
R268
100
Q229P
2SA1943
C216
0.01u
D211
HSSB2
C219
22P
D213
HSSB2
D221
IN4004L
D216
D1NL20U
Q218
2SC3468
Q222
2SC3468
Q226N
C4883A
Q229N
2SC5200
Q226P
A1859A
Q224
2SA1371
Q214
2SA1015
C226
4u7/100V
C222
10u/25V
VR202
1K
ZD203
MTZJ6.8C
ZD204
MTZJ6.8C
C230
10P
D218
D1NL20U
D222
IN4004L
R234
47K
R233
47K
HF-1
HF-2
HF-B
HF-A
C246
0.1u
C247
0.1u
C232
1000P
C270
0.01u
C271
0.01u
R290
150K
R291
150K
R304
4R7/2W
R281
47K
R286
150K
R285
47K
R284
22K
R283
10K
R288
56K
D226
IN4004L
RY201
OSA-SH-224DM3M
C256
0.1u
C257
0.1u
R307
4R7/2W
CN203
VH4P
1
2
3
4
5
6
CN202
RE
C234
47uF/25V
BL
C233
470uF/100V
RE
C231
10u/25V
OR
C235
4u7/50V
WH
OR
-Vcc
D238
D10XB20
C263
0.33u
C262
0.33u
+Vcc
C251
0.1u
1
2
CN209
Q230
2SC5395
C250
0.1u
Q234
2SA1993
C252
※ 1
C253
※ 1
C245
1000uF/35V
C2
44
1000uF/
35V
Q232
2SC5395
-Vcc
+Vcc
F201
Q233
2SC5395
F202
Vin
GND
-15V
IC202
NJM7915FA
Vin
GND
+15V
IC201
NJM7815FA
C241
47uF/50V
C240
47uF/50V
D223
1SS133/176
C237
10u/50V
C236
10u/50V
D224
IN4004L
D225
IN4004L
-15V
+15V
R289
15K
R282
47K
D233
IN4004L
R320
4R7
R321
4R7
Q231
2SA1993
HF+
HF
EMI core (Korea model only)
-
LF-
LF+
R287
10K
HF
from AMP 1/2 A2 (P.3)
Q243
2SC3468
1
2
CN205
To
MIX
-CN105
N.C.
LF AMP
TWEETER
WOOFER
1 3
F101
SW
101
SFD
LB
11R
7U
-Y
L
T101
1 2 3
CN107
C105
1000P
1
2
3
4
1N4004Lx4
D230
D228
D229
D227
4
3
2
1
L N
N.C.
(HF) AMP 2/2
to AMP 1/2 E1 (P.3)
to AMP 1/2 F2 (P.3)
to AMP 2/2
F4 (P.3)
to AMP 1/2 E5 (P.3)
from AMP 1/2 F3 (P.3)
※
1
※
1
※ 1
L101
※ 2 ※ 2
JK105
CN106
SW
AC INLET
REGULATOR –15V
TRANSFORMER
AC IN
REG15V
POWER
JP102 JP101
U/H/B/A/K/T/O J
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。
• D10XB20 (AAX65400)
DIODE STACK
AMP: D238
• NJM7815FA(AAX64890)
REG15V
AMP: IC201
• NJM7915FA(AAX64900)
REGULATOR -15V
AMP: IC202
1
2
3
1: OUTPUT
2: COMMON
3: INPUT
1
2
3
1: OUTPUT
2: INPUT
3: COMMON
※ 1 The parts for the element with this notification vary depending on the destination.
Refer to the table below for the parts to be used.
注記の素子は仕向により使用部品が異なります。使用部品については下表を参照してください。
※
2 The element in the dotted area is attached to the destination indicated in this area.
破線内の素子は、破線内部に記載された仕向にのみ取り付けられます。
C252 C253 F101 F201 F202
J 6800u/100V 6800u/100V 5A125V 1A250V 1A250V
U, T 6800u/80V 6800u/80V 5A125V 1A250V 1A250V
H, B, A, K, O 6800u/80V 6800u/80V T2.5AL T1AL T1AL