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14.7. PA-Board (1 of 3) Schematic Diagram
PA-BOARD TXNPA1QCSE(1/3)
!
A
B
C
D
E
TH-42PA20B/E
PA-Board(1of3)Schematic Diagram
1
TO
DG-BOARD
PA6
(DG6)
1
L_IN
2
GND
3
R_IN
4
GND
5
NC
6
GND
7
SUBMONO
8
GND
9
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
2
C2484
50V
0.01u
R2481
15k
R2438
Q2408
100
2SD0601A0L
C2442
L AMP
16V
0.22u
R2457
R2480
33k
1k
100Hz LPF
Q2406
2SD0601A0L
R2431
12k
R2482
15k
C2480
Q2410
16V
2SD0601A0L
0.22u
R AMP
R2464
100
R2484
R2483
33k
1k
D2313
MA3X152K0L
RESET
POFF-DEF
MAIN_DEF
3
C2431
C2429
50V
16V
0.01u
100u
R2
5
R2439
56k
C2426
C2423
R2434
50V
50V
4.7k
0.015u
0.01u
C2419
R2448
16V
1k
10u
R2440
C2427
16V
0
10u
R2445
0
R2441
12k
R
R2471
C2440
R2470
1.8k
16V
4.7k
4.7u
STB5V
Q2303
2SD0601A0L
R2372
RESET
22k
Q2304
2SD0601A0L
R2373
5.6k
RESET
R2374
100k
D2310
MA3X152K0L
JS2304
4
43
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