Panasonic TH-42PX20U-P Service Manual page 212

C2408
R2408
33k
50V R2414
R2418
47k
4.7u
47k
C2420
50V
560p
C2418
50V C2422
C2416
560p
50V 50V
560p 560p
R2415
100k
R2419
100k
IC2401
SOUND CTRL
C1BB00000800
C2412
50V
R2409
0.01u
R2416
4.7k
R2412
100k
100k
C2407
C2423
50V
C2419
25V
5600p
25V
0.033u
0.033u
C2417 C2421
28
25V 25V
R2417
0
0.033u
0.033u 56k
R2413
56k
= +12V
L2350
0
C2354
25V
47u
D2350
7
MA2J11100L
L
MONOMUTE
D2351
R2384
C2358
MA2J11100L
50V 100k
0.01u
R2350
68k
C2350
C2357
50V 50V
R2367 R2364
22u 22u
5.6k 330
+ +
IN R2351
R2356
10k
100k
Q2315
2SC584500L
R2362
Q2355
100k
2SC584500L
MONOMUTE
5
75
R2422
39k
C2426
C2424
50V
50V
1800p
1800p
R2423
47k
R2420
47k
C2425 C2427
50V
50V
1800p 1800p
R2421
39k
Q2352
2SC584500L
R2353
10k
D2352
MA2J11100L
R2358
10
+
R2363
C2353
R2357
16V 1/2W
10 Q2351
33
220u
2SA207700L
Q2350
2SC584500L
R2354
100
C2356
R2355
16V Q2354
1.8k
100u
2SA207700L
Q2356
Q2353
2SC584500L
2SC584500L
R2352
1k
R2359
R2361
100 C2351
1M
50V
22u R2360
47k
6
200Hz LPF
L2430
0
R2435
22k
+9V
C2431
C2430
50V
16V
0.01u
100u
VCC
L
R
GND
C2432
16V
0.027u
400Hz HPF
C2445
50V
0.012u
C2440 C2442
R2444 R2442
50V 50V
1k 22k
0.01u
0.012u
C2443
R2445
16V
1k
100u VCC
L
R
GND
C2441
50V
0.012u
C2444
50V
0.012u
R2366
1k
TH-42PX20U-P PA-BOARD (1 of 3) Schematic Diagram
7
C2436
16V
0.027u
IC2402
C0ABBA000073
IC2403
C0ABBA000073
8
1
2
3
4
5
6
7
8
9
10
11
12
13
9