JVC RX-D302B Service Manual page 32

Digital power amplifier and speaker terminal section
LVA10478-1
A.NFB_FL
D.NFB_FL
3
C250
2
N.I.
1
CN321
D.NFB_FR
A.NFB_FR
A.NFB_C
D.NFB_C
1
C850
2
N.I.
CN322
A.NFB_SL
D.NFB_SL
1
C1250
2
N.I.
3
CN421
D.NFB_SR
A.NFB_SR
A.NFB_SBL
D.NFB_SBL
CN422
1
C450
2
N.I.
3
4
AMP_-B
AMP_-B+12V
D.NFB_SBR
A.NFB_SBR
DRIVER_SD
(SHEET 2)
2-9
FRONT_L
R254
220
Q251
KTA1504/YG/-X
R251
C254
100
100p
C251
0.01
R354
220
Q351
KTA1504/YG/-X
C354 R351
100p 100
C351
0.01
FRONT_R
CENTER
R854
220
Q851
KTA1504/YG/-X
R851
100
C854
100p
C851
0.01
SURROUND_L
R1254
220
Q1251
KTA1504/YG/-X
R1251
100
C1254
100p
C1251
0.01
R1354
220
Q1351
KTA1504/YG/-X
R1351
100
C1354
100p
C1351
0.01
SURROUND_R
SURRBACK_L
R454
220
Q451
KTA1504/YG/-X
C454
R451
100p
100
C451
0.01
R1454
220
Q1451
Q400
KTA1504/YG/-X
NI
C1454
100p
R400 R1451
NI 100
C1451
C400 0.01
NI
SURRBACK_R
D251
1SS133-T2
IC251
IRS20124S-X
R258 D261
4.7 NI
(1/4W)
IN NC D
ISET1 NC C253
0.33
G
DT/SD VB R261
47 S
ISET2 HO 1/4W
OC VS
D262
NI
COM NC
D
LO VCC
G
R262
47 Q262 S
C252
1/4W IRFB4212
1
C276
47/25
D351 D361
IC351
1SS133-T2 NI
IRS20124S-X
D
R358
4.7
IN NC (1/4W)
G
R361
ISET1 NC C353 47 S
0.33 1/4W
DT/SD VB
ISET2 HO
OC VS
D362
NI
COM NC
D
LO VCC
G
R362
47 Q362 S
1/4W IRFB4212
C352
1
D851
1SS133-T2
IC851
IRS20124S-X
D861
R858
NI
4.7
(1/4W)
IN NC D
C853
ISET1 NC
0.33
G
DT/SD VB R861
47 S
ISET2 HO 1/4W
OC VS
D862
NI
COM NC
D
LO VCC
G
R862
47 Q862 S
C852
IRFB4212
1/4W
1
C876
47/25
D1251
IC261 1SS133-T2
IRS20124S-X
D1261
R1258
NI
4.7
IN NC (1/4W) D
ISET1 NC C1253
0.33
G
DT/SD VB R1261
47 S
ISET2 HO
1/4W
OC VS
D1262
NI
COM NC
D
LO VCC
G
R1262
47 Q1262 S
C1252
IRFB4212
1/4W
1
D1351 D1361
IC361
1SS133-T2 NI
IRS20124S-X
D
R1358
4.7
(1/4W)
IN NC
G
R1361
ISET1 NC C1353 47 S
0.33
1/4W
DT/SD VB
ISET2 HO
OC VS
D1362
NI
COM NC
D
LO VCC
G
R1362
47 Q1362 S
IRFB4212
1/4W
C1352
1
D451
1SS133-T2
IC451
IRS20124S-X
D461
R458
NI
4.7
IN NC (1/4W) D
ISET1 NC C453
0.33
G
DT/SD VB R461
47 S
ISET2 HO 1/4W
OC VS
D462
NI
COM NC
D
LO VCC
G
R462
47 Q462 S
C452
1/4W IRFB4212
1
C476
47/25
D1451 D1461
IC461
1SS133-T2 NI
IRS20124S-X
D
R1458
4.7
IN NC (1/4W)
G
R1461
ISET1 NC C1453 47 S
0.33 1/4W
DT/SD VB
ISET2 HO
OC VS
D1462
NI
COM NC
D
LO VCC
G
R1462
47 Q1462 S
1/4W IRFB4212
C1452
1
R269
4.7k
C273
220/50
C271
R264 0.1/100
R268
22
6.8k
1W
C264 C270
0.001
0.001
C266
QQL77AK-220
0.001
L261
R265
22
22
1W
C268
1.5
C265
0.001
C267
C274
0.001 C272
220/50
0.1/100
R364
22
C371
1W
0.1/100
C364 C373
0.001 220/50
L361
22
C366
QQL77AK-220
0.001
C368
R365
1.5
22
1W
C365
C370
0.001
0.001
C367
0.001 R368 C372
6.8k 0.1/100
C374
R369
220/50
4.7k
R869
4.7k
C873
220/50
C871
R868
R864 0.1/100
6.8k
22
1W
C864
0.001
C870
0.001
QQL77AK-220
C866
0.001
L861
R865 22
22
1W C868
1.5
C865
0.001
C867 C874
0.001 220/50
C872
0.1/100
R1269
4.7k
C1271
R1268 0.1/100
R1264 6.8k
C1273
22
220/50
1W
C1264
0.001 C1270
R1267 0.001
10k
C1266
1/2W
0.001 QQL77AK-220
L1261
R1265 22
22
1W
C1268
1.5
C1265
0.001
C1267
0.001
C1272 C1274
0.1/100 220/50
R1364
22 C1371
1W 0.1/100
C1373
C1364
220/50
0.001
L1361
C1366 22
0.001 QQL77AK-220
R1365 C1368
22 1.5
1W
C1365
0.001
C1370
0.001
C1367
0.001 R1368 C1372 C1374
6.8k 0.1/100 220/50
R1369
4.7k
R469
4.7k
C471
R468 0.1/100
R464 6.8k
22
1W
C464
C473
0.001
C470 220/50
R467
0.001
10k
1/2W
C466
QQL77AK-220
0.001
L461
22
R465
22
C468
1W
1.5
C465
0.001
C467
0.001 C472 C474
0.1/100 220/50
R1464
22
1W
C1471 C1473
C1464
0.1/100 220/50
0.001
L1461
22
C1466
0.001 QQL77AK-220
C1468
R1465
1.5
22
1W
C1465
0.001 C1470
0.001
C1467
C1472 C1474
0.001 R1468
0.1/100 220/50
6.8k
R1469
4.7k
R2
0