Pa-Board (3 Of 3) Schematic Diagram - Panasonic TH-37PV60E Service Manual

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

MAIN9V
R2341
0
MAIN_9V
R2375
100
C2303
16V
100u
R2379
2.2k
31
32
33
R2365
R2380
100
2.2k
PA-BOARD TNPA3761AC (3/3)
34
15V
35
TH-37/42PV60E, TH-37/42PX60B
PA-Board (3 of 3) Schematic Diagram
16 17
R2372
680
C2314
R2403
16V
4.7k
1u
Q2306
C2380
R2312 2SA207700L
50V 10k
0.01u R2402
R2310
330
0
R2401
330 R2384
1.15k
VCC
R
IC2304
R2421
1.62k
C0ABBA000168
R2422
OP AMP 787
L
C2401
GND
10V
R2406
1u
4.7k
Q2307
R2311
0 2SA207700L
R2405
330
R2387
R2404
R2373
R2376 1.15k
330
680 10k
R2388
C2382 3.3k
16V
1u
R2409
1.62k
R2410
VCC
787
R
IC2306
C2403
C0ABBA000168 50V
0.01u
OP AMP
L
GND
18 19
95
SOUND_SOS
Q2300
R2360
2SA207700L
MAIN9V 10k
C2374
R2359 R2361
10V
2.2k
5.6k
1u
R2366
Q2301 D2309
R2363
4.7k MA2J11100L
B1ABCF000138 470
C2373
50V
0.1u
R2364
47k
R2369
18k
L2302
G0C330MA0049
C2334
25V
C2336
0.1u
50V
0.47u
R2349
L2303 C2335
100
G0C330MA0049 25V
0.1u
R2332
C2337 C2338
C2393 C2342
C2341 10k 25V 25V
16V 25V 25V 0.22u 0.22u
10u
1u 1u
Q2302
B1ABCF000138
C2317 1 36
10V 1u
2 35
RINN PVCCR
W-R
3 34
RINP W_R PVCCR
+
R2383 4 AVCC 33
C2385 AGND PGNDR
3.3k 10V W-L
C2320 5 32
1u LINP PGNDR
10V 1u
6 31
C2417
LINN VCLAMPR
6.3V 7 30
NC VCLAMPL
10u
R2323 0
8 29
GAIN0 PGNDL
R2324 0 9 28
GAIN1 NC PGNDL
10 27
NC
MSTR/NSLV PVCCL
W_L +
C2394 11 26
16V SYNC PVCCL
1u 12 25
IC2302
Q2303
C2387
10V
B1ABCF000138
1u C1AB00002451
SPEAKER AMP
C2323 C2324
R2325 25V 25V
0.22u 0.22u
10k R2329
100k C2327
L2300 50V
G0C330MA0049
0.47u
C2321
C2325
50V
25V
C2322
C2402 0.01u
0.1u
6.3V 10V
1u
10u
L2301 C2326
G0C330MA0049
25V
R2407 0.1u
1.24k
R2408
1.07k
20 21
TH-37PV60E / TH-37PX60B / TH-42PV60E / TH-42PX60B
TO
P-BOARD
PA5
(P5)
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
+15V
R2368
15.0
8
0
+15V
C2301
0 9
25V
GNDs
470u
0 10
GNDs
0
11
GNDs
R2397
0
R2398
0
TO WOOFER/SPEAKER
(W-R & W-L)
C2330
25V 1u PA2
C2333
25V 470u
1
W_R+
C2328
25V 1u
2
W_R-
3
C2329
NC
25V 1u
4
C2332 W_L-
25V 470u
5
C2331
W_L+
25V 1u
ZA2300
K4CZ01000027
ZA2301
K4CZ01000027
15V
TH-37/42PV60E, TH-37/42PX60B
PA-Board (3 of 3) Schematic Diagram
22 23