JVC RX-5050B, Service Manual

Page: 9 / 33

2-3
SHEET 2
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
MTZJ15C
D1121
STK413-430
IC102
!
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
STK412-430
IC101
!
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
4700/63
C1113
4700/63
C1114
6800/71
C1112
6800/71
C1111
MTZJ15C
D1122
MTZJ15C
D1221
MTZJ15C
D1222
33 R1269
UNF
33 R1241
UNF
33 R1242
UNF
33
R1141
UNF
33 R1142
UNF
0.45u L1269
0.45u L1241
0.45u L1242
0.45u L1141
0.45u L1142
1.5k
R1223
OMF
!
1.5k
R1224
OMF
!
1.5k
R1123
OMF
!
1.5k
R1124 OMF
!
100/100
C1121
100/100
C1122
100/100
C1221
100/100
C1222
10
R1243
OMF
!
10
R1270 OMF
!
10
R1244 OMF
!
10
R1144
OMF
!
10
R1143 OMF
!
0.047 C1142
0.047 C1144
0.047 C1143
0.047 C1141
QUM215-25Z4Z4
FW301
1
2
3
4
5
QUM216-25Z4Z4
FW302
1
2
3
4
5
6
QUM214-26DGZ4
FW303
1 2 3 4
QQLZ005-R45
L1351
B1005
QQLZ005-R45
L1352
QQLZ005-R45
L1353
B1007
B1008
B1009
B1006
100p
C1124
100p
C1123
100p
C1223
100p
C1265
100p
C1224
0.047 C1242
0.047 C1244
0.047
C1243
0.047 C1241
0.047 C1267
100k
R1175
100
R1210
100k
R1174
100k
R1173
QQLZ005-R45
L1354
KTA1268/GL
Q1185
QJP002-021601
CN272
2 1
QJP001-031001
CN273
3 2 1
0.047 C1266
1k R1127
1k R1128
QQLZ005-R45
L1355
QSK0109-001
RY303
1SS119
D1352
1k
R1102
1k
R1101
750
R1106
UNF
!
750
R1105 UNF
!
33k
R1109
100k
R1108
100k R1107
100k
R1104
100k
R1103
100k
R1208
100k
R1204
62k R1264
62k
R1262
300
R1263
UNF
!
100k R1207
1k
R1202
1k
R1201
1k
R1261
100k
R1203
QJP001-032101
CN171
3 2 1
3.3p
C1107
3.3p
C1108
470p
C1101
470p
C1102
470p
C1201
3.3p
C1264
470p
C1202
470p
C1261
3.3p
C1208
100/10
C1205
100/10
C1206
100/10
C1263
PW601 PW602
220/10
C1105
220/10
C1106
4.7/50
C1262
N
4.7/50
C1203
N
3.3p
C1207
33k
R1209
68
R1352
UNF
KTC3200/GL
Q1131
QJK012-051903
CN151
1
2
3
4
5
KTC3200/GL
Q1171
82k
R1172
100k
R1171
QSK0109-001
RY302
QNB0188-001
ST301
0.22
R1226
FMR
!
0.22
R1225
FMR
!
0.22 R1265
FMR
!
0.22
R1126
FMR
!
0.22 R1125
FMR
!
QSK0109-001
RY304
1SS119
D1353
1SS119
D1354
470
R1121
UNF
!
470 R1122
UNF
!
!
!
!
!
!
!
!
!
!
!
!
470
R1221
UNF
!
470
R1222
UNF !
1SS119
D1129
1SS119
D1130
18k
R1129
18k
R1130
47k
R1131
47k
R1132
1k
R1266
1k
R1227
1k
R1228
KTC3200/GL
Q1261
KTC3200/GL
Q1231
KTC3200/GL
Q1232
47k
R1268
47k
R1231
47k
R1232
18k
R1267
18k
R1229
18k
R1230
1SS119 D1230 1SS119 D1229
1SS119
D1261
10k
R1178
10k
R1179
10/25
C1171
KTA1268/GL
Q1172
KTC3199/GL
Q1173
1SS119
D1171
47/16
C1172
100k
R1177
100k
R1176
220p
C1377
3.9
R1372
UNF
3.9
R1373
UNF
220p
C1363
KTC3200/GL
Q1132
4.7/50
C1103
N
0.047 C1361
220p
C1364
68
R1353 UNF
68
R1354
UNF
0.047 C1362
3.9
R1374
UNF
220p
C1366
220p
C1373
220p
C1374
0.047 C1370
0.047
C1369
0.047 C1365
220p
C1376
220p
C1375
220p
C1372
220p
C1371
220p
C1368
220p
C1367
220p
C1359
2.2
R1235
UNF
!
2.2
R1135 UNF
!
2.2
R1137
UNF
!
100
R1133 UNF
!
2.2
R1134 UNF
!
2.2
R1237
UNF !
100
R1233
UNF
!
2.2
R1234
UNF
!
220p
C1360
100K
R1186
10K R1185
10/100
C1185
2.2
R1136
UNF
!
2.2
R1236
UNF
!
3.9
R1370
UNF
4.7/50
C1104
N
3.9
R1371
UNF 1
2
3
4
5
6
1
2
3
4
5
750
R1206
UNF
!
750
R1205
UNF
!
68 R1191
UNF
5.6k R1192
UNF
47/50
C1191
220p C1378
UF304G-F82
D1101
!
MTZJ36C
D1141
KTA1046/Y/
Q1175
QUM215-16DGZ4
FW141
1 2 3 4 5
UF304G-F82
D1103
!
UF304G-F82
D1102
!
UF304G-F82
D1104
!
UF304G-F82
D1105
!
UF304G-F82
D1107
!
UF304G-F82
D1106
!
UF304G-F82
D1108
!
0.1/160
C1115
0.1/160
C1116
0.1/160
C1117
0.1/160
C1119
0.1/160
C1120
0.1/160
C1118
EP101
GND
4.7/50
C1204
N
C1268
0.022
+VH
-VH
+VL
-VL
+VH
+VH +VL
+VL +COMPARATOR -COMPARATOR
-COMPARATOR +COMPARATOR -VL
-VL -VH
-VH
SUB GND
SUB GND
Rch +OUT
Rch -OUT
Lch -OUT Lch +OUT -PRE
-PRE +PRE
+PRE Rch IN Rch NF BIAS
BIAS
Lch NF Lch IN
SRch +OUT SRch -OUT SLch -OUT SLch +OUT SRch IN SRch NF SLch NF SLch IN Cch IN Cch NF Cch +OUT Cch -OUT
LVA10471-2
L
HP_R
*
(1/4W)
CENTER
SURR R SURR L
GND
S1
*
S2
S2
(2W)
S1
GND
GND
(1W) (1W)
(1/4W)
(1/4W)
(1/4W)
(1W)
(1W)
(1/4W)
(5W)
(5W)
(5W)
(5W)
(5W)
(2W)
(2W)
(2W)
(2W)
Cch
SLch
SRch
SPEAKER
TERMINAL
GND
(1/4W)
To CN203
(LVA10472-1)
(1/4W)
To CN471
(LVA10464-1)
(1/4W)
GND
R
LVA10471-1
(1/4W)
C
SL
SR
+B2 FRONT_A
To CN472
(LVA10464-1)
To CN473
(LVA10464-1)
To CN241
(LVA10472-1)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
GND
(1/4W)
(1/4W)
SURR CENTER
HP_L
(1/4W)
(1/4W)
(1/4W)
0V
0V
0V
0V
0V
0V
24.5V
0V 24.5V 24.5V
2.3V
0V
PROTECTOR_IN FL-B
*
*
To CN251
(LVA10472-1)
57.1V
27.5V
0V
-27.4V
-56.9V
57.1V 57.1V 13.0V 27.5V
-12.7V -27.4V -56.9V
0V 0V
0V
0V 0V 0V 0V 0V 0V
-55.5V -56.4V
(1/4W) (1/4W)
(1/4W)
(1/4W)
57.1V 27.5V 13.0V
-12.7V -27.4V -56.9V
0V 0V
0V
0V 0V 0V 0V 0V 0V 0V 0V 0V
0V
-56.4V
57.1V
-55.4V
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
(1/4W)
-58.0V
-57.5V
4.9V
0V
0V 0V
0V
-55.5V
0V
0V
0V
0V
*
*
*
*
C1366
*
C1367
*
C1368
*
*
NONE
*
*
*
B1005
*
B1006
B1007
B1008
B1009
L1351
L1352
L1353
L1354
L1355
R1370,R1371
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
C1361,C1362
C1363,C1364
C1359,C1377
C1360,C1378
R1373,R1374
C1369,C1370
*
C1373,C1374
C1372,C1375
C1371,C1376
R1372
C1365
J/C
* MARK LIST
A/UT/US
/UP
B/E/EN/EV
NONE
USE
USE
USE
USE
USE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
USE
USE
USE
USE
USE
USE
NONE
NONE
NONE
NONE
NONE
USE
USE
USE
USE
NONE
USE
USE
NONE
NONE
NONE
NONE
NONE
NONE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
NONE
USE
USE
USE
USE
USE
USE
USE
USE
USE
NONE
NONE
NONE
NONE
NONE
FR
(1/4W)
(1/4W)
-25V
USE
USE
USE
*
FL FR
USE
NONE
USE
A.GND A.GND A.GND
COM
Lch
Rch
L/Rch POWER AMP
C/SL/SRch POWER AMP
(SHEET 1)
(SHEET 3)
(SHEET 3) (SHEET 3)
(SHEET 1) (SHEET 1)
Audio amp section