Pa-Board (3 Of 3) Schematic Diagram - Panasonic TH-37PX600B Service Manual

14.21. PA-Board (3 of 3) Schematic Diagram

MAIN9V
PA-BOARD TXNPA1BETB (3/3)
R2341
0
MAIN_9V
C2303
16V
100u
R2313 C2307 R2308
22k
2.2k 16V
0.082u
C2304 R2309
22k
50V
0.01u
VCC
R
31
L
32 GND
33
C2306 R2304 C2310
16V 22k
R2314 16V
0.082u
2.2k 0.039u
R2305
22k
MAIN_9V
C2311
R2307
50V
43k
R2355 8200p
2.2k
R2300
1k
R2306 C2312
50V
22k
C2305 8200p
C2302 50V
16V
0.01u
100u
VCC
R
R2301
1k
NJM2904M(TE1)
L
GND
C2308
50V
8200p
R2302
22k
R2356
2.2k C2309
R2303
50V
43k
8200p
34
15V
35
TH-37/42PV600E, TH-37/42PX600B
PA-Board (3 of 3) Schematic Diagram
16 17
R2372
10k
C2314
16V
1u
Q2306
C2313 R2312
16V C2380
10k 2SA207700L
50V
0.039u
0.01u
R2310
0
R2401
330
VCC
R
IC2304
IC2300
C0ABBA000168
C0ABBA000168
EQUALIZER AMP
120Hz LPF
L
GND
Q2307
R2311
0 2SA207700L
R2404
R2373 R2376
330
10k 10k
C2382
16V
1u
VCC
R
IC2306
C0ABBA000168
OP AMP
L
GND
R2374
C2368
680
16V
0.1u
C2381 R2353 R2377
10k 0
50V
0.01u
Q2308
R2346
0 2SA207700L
VCC R2411
330
R
IC2301
IC2305
C0ABBA000168
C0ABBA000168
600Hz HPF NJM2904M(TE1)
EQUALIZER AMP
L
GND
R2347
0
Q2309
R2354
10k
2SA207700L
R2414
R2367 R2378 330
680 0
C2369
16V
0.1u
C2416
50V
0.01u
VCC
IC2307
R
C0ABBA000168
OP AMP
L
GND
18
SOUND_SOS
Q2300
R2360
2SA207700L
MAIN9V 10k
R2359
2.2k
Q2301 R2366
D2309
R2363
4.7k
MA2J11100L
B1ABCF000138
R2362
C2373
15k
50V
0.1u
D2308 R2364
MA3X152E0L 47k
R2349
100
R2332
C2337
C2393 C2341 C2342
R2403 10k 25V
16V 25V 25V 0.22u
4.7k
1u 10u
1u
Q2302
R2402
330
B1ABCF000138
R2384
C2317 1
715
C2385 10V
1u
2
10V
RINN
1u
W-R
3
RINP W_R
R2383 4 AVCC
AGND
R2421
3.74k W-L
C2320 5
1.62k
LINP
10V 1u
6
C2417
LINN
R2422
6.3V 7
787
NC
10u
R2323 0
8
GAIN0
R2324 0 9
GAIN1
C2401
10
10V
R2406 MSTR/NSLV
W_L
1u C2394 11
4.7k
16V SYNC
1u 12
R2328
0
R2405 Q2303
C2387
330
10V
R2387 B1ABCF000138
715 1u
R2388 C2323
3.74k R2325 25V
0.22u
10k R2329
100k
R2409
1.62k
C2321
50V
C2322
R2410 C2402 0.01u
6.3V 10V
787
1u
10u
C2403
50V R2407
0.01u 1.24k
R2408
1.07k
R2350
100
C2351
C2366
C2370 C2371 10k
25V
25V
25V 0.22u
1u
10u
Q2304
R2413
C2395
4.7k B1ABCF000138
16V
1u
R2412 C2346 1
C2389
330 10V
1u
R2391 10V 2
RINN
2.8k 1u
SQ-R
3
SQ_R
RINP
4
R2392 AVCC
AGND
R2423 1.65k
SQ-L C2349 5
1.5k
LINP
10V 1u
6
C2418 LINN
R2424
6.3V 7
787 NC
10u
R2342 0 8
GAIN0
R2343 0 9
GAIN1
R2352 0
10
MSTR/NSLV SQ_L
11
SYNC
C2404
12
10V
R2416 C2396
1u 16V
4.7k
1u
R2415 Q2305
330
B1ABCF000138
R2395 C2352
2.8k
R2348 25V
0.22u
100k
R2419 R2396
C2391
1.5k 1.65k
10V
1u C2350
50V C2351
0.01u 10V
C2405
R2420
6.3V 1u
787 10u
R2417
1.24k
R2418
1k
19 20
107
TH-37PV600E / TH-37PX600B / TH-42PV600E / TH-42PX600B
C2374
R2361
10V
TO
5.6k
1u
P-BOARD
PA5
(P5)
470 15.0 1 +15V
15.0 +15V
2
0
3
GND
15.0 4
15V
0
5
R2357 GND
L2308
0 3.9u 15.0
+15V 6
+15V
15.0 7
R2368
+15V
0
L2302
15.0
8
G0C330MA0049
+15V
C2334 C2301 0
9
25V
25V GNDs
C2336
0.1u 470u
50V 0 10
0.47u GNDs
0
11
GNDs
L2303 C2335
G0C330MA0049
25V
0.1u
C2338
25V R2397
0.22u 0
R2398
0
TO WOOFER/SPEAKER
(W-R & W-L)
36
35
C2330
PVCCR
25V 1u PA2
34
PVCCR
+ C2333
33 25V 470u
PGNDR 1
W_R+
32
C2328
PGNDR
25V 1u
31 2
VCLAMPR W_R-
30
VCLAMPL 3
C2329
NC
29
PGNDL 25V 1u
4
28
NC PGNDL W_L-
C2332
27 25V 470u
NC
PVCCL 5
+ C2331
26 W_L+
PVCCL 25V 1u
25
IC2302
C1AB00002451
C2324 SPEAKER AMP
25V
0.22u
C2327
L2300 50V
G0C330MA0049
0.47u
C2325
25V
0.1u
L2301 C2326
G0C330MA0049
25V
0.1u
R2358
0
C2365
L2306
50V
G0C330MA0049 0.47u
C2363
25V
0.1u
C2364
25V
0.1u
L2307
G0C330MA0049
C2367
25V
0.22u
TO SQUAKER
(SQ-R & SQ-L)
36
35
PVCCR C2359
25V 1u
34 PA1
PVCCR C2362
+
33 25V 470u
PGNDR 1
32 SQ_R+
C2357
PGNDR
25V 1u 2
31
VCLAMPR SQ_R-
30
VCLAMPL 3
C2358
29 SQ_L-
25V 1u
PGNDL
28 4
NC PGNDL C2361 SQ_L+
NC 27 25V 470u
PVCCL
+
C2360
26
PVCCL
25V 1u
25
IC2303
C1AB00002452
SQUAKER AMP
C2353
25V
0.22u
C2356
L2304
50V
G0C330MA0049 0.47u
C2354
25V
0.1u
L2305
C2355
G0C330MA0049 25V
0.1u
ZA5600 ZA5601
K4CZ01000027 K4CZ01000027
15V
TH-37/42PV600E, TH-37/42PX600B
PA-Board (3 of 3) Schematic Diagram
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