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PA-BOARD TXNPA1QCSE(1/3)
!
A
B
TO
DG-BOARD
PA6
(DG6)
L_IN
GND
R_IN
GND
C
NC
GND
SUBMONO
GND
SUBVOL
10
SUBMUTE
11
(AMUTE)
12
GND
13
SCL1
14
SDA1
15
GND
16
SP_MUTE
17
STB5V
18
RESET
19
POFF_DEF
20
MAIN_DEF
D
E
TH-42PA20B/E
PA-Board(1of3)Schematic Diagram
1
R2481
15k
R2438
Q2408
100
2SD0601A0L
L AMP
C2442
16V
0.22u
R2457
R2480
33k
1k
R2482
1
15k
C2480
2
16V
0.22u
3
R2464
4
100
5
6
R2484
33k
7
8
9
2
3
TO
P-BOARD
PA5
(P5)
1
12V
2
12V
3
5V
4
STB5V
5
GND
6
GND
7
+12Vs
8
+12Vs
9
GNDs
10
GNDs
11
DR15V
C2484
50V
0.01u
+9V
R2473
1.8k
R2472
4.7k
C2441
16V
4.7u
100Hz LPF
R2462
C2431
C2429
100
50V
16V
0.01u
100u
Q2406
R2450
2SD0601A0L
56k
R2439
56k
C2437
C2426
C2423
16V
R2434
50V
50V
100u
4.7k
0.015u
0.01u
C2435
50V 0.01u
R2431
12k
C2419
16V
R2448
10u
1k
R2440
C2427
0
16V
10u
R2445
0
Q2410
R2441
2SD0601A0L
12k
R AMP
R2461
100
R2460
R2471
C2440
R2470
18k
R2483
1.8k
16V
4.7k
1%
1k
4.7u
+9V
R2463
15k
1%
D2313
MA3X152K0L
STB5V
Q2303
2SD0601A0L
R2372
RESET
22k
RESET
Q2304
R2371
180k
2SD0601A0L
R2373
5.6k
RESET
R2377
470
R2374
Q2308
100k
2SD0601A0L
D2310
MAIN DEF
MA3X152K0L
POFF-DEF
JS2304
MAIN_DEF
4
IC2304
JS2107
AN7709SP-E1
JS2106
JS2301
+12Vs
1
IN
C2381
C2413
50V
COMMON
10u
50V
2
47u
TWE3201110YY
R2453
10k
C2433
Rin
R2456
C2436
50V
10k
16V
JS2308
0.039u
1u
Lin
JS2307
C2434
R2452
50V
47k
0.022u
IC2401
C1BA00000302
AUDIO AMP
R2348
10k
R2347
12k
Q2306
SCL1
2SD0601A0L
R2346
POWER ON MUTE
SDA1
12k
STB5V
AMUTE
D2312
MA3X152K0L
R2494
820
1/2W
C2382
16V
100u
D2311
MA3X152K0L
R2378
100k
5
6
1
2
AVR 9V
OUT 3
+9V
3
L2306
ELJPA100KF
C2414
16V
47u
D2316
B0JCME000025
+9V
A1-A1
4
5
R2375
Q2305
10k
2SD0601A0L
POWER ON MUTE
R2376
22k
6
7
8
9
TH-42PA20B/E
PA-Board(1of3)Schematic Diagram
7
8
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