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15.8. PA-Board (1 of 2) Schematic Diagram
TO
P-BOARD
PA5
12.0
(P5)
1
12V
12.0
2
12V
5.0
NR14V
3
5V
5.0
4
STB5V
C2381
0
5
GND
50V
10u
0
6
A
GND
12.0
7
+12Vs
12.0
8
+12Vs
JS2107
0
9
GNDs
JS2106
0
10
GNDs
15.0
11
DR15V
13.9
C2413
50V
47u
B
SCL1
SDA1
TO
DG-BOARD
(DG6)
PA6
R2401
4.0
1
L_IN
0
2
GND
3.9
3
R_IN
R2402
0
4
5.6k
C
GND
0
5
NC
0
6
GND
4.5
7
SUBMONO
0
8
GND
0
9
NC
R2382
0
10
SUBMUTE
0
11
(AMUTE)
0
12
GND
3.9
13
SCL1
3.5
14
SDA1
0
15
GND
0
16
SP_MUTE
5.0
17
STB5V
3.2
R2372
18
RESET
RESET
0
19
POFF_DEF
POFF-DEF
0
20
MAIN_DEF
D
MAIN_DEF
PA-BOARD TXNPA1UKSE (1/2)
E
TH-37PA30E/TH-42PA30E
PA-Board
(1 of 2) Schematic Diagram
1
AVR +9V
IC2304
AN7709SP-E1
9.0
OUT 3
1
IN
L2306
ELJPA100KF
C2414
16V
COMMON
47u
2
0
+9V
R2406
22
R2405
22
C2428
16V
100u
C2403
50V
R2427
100
4.7u
5.6k
L-IN
NP
C2401
R2403
50V
22k
1800p
C2404
50V
R2428
4.7u
100
R-IN
NP
C2402
R2404
50V
22k
1800p
+9V
R2383
D2315
0
0
MA2J11100L
R2385
820
MUTE CCT.
STB5V
4.8
22k
D2314
Q2303
MA2J11100L
3.2
2SD0601A0L
2.6
JS2304
R2373
0.6
0
5.6k
Q2304
2SD0601A0L
R2374
0
100k
Q2308
2SD0601A0L
R2377
8.9
470
0
0
R2378
100k
2
+9V
R2408
C2408
50V
33k
4.7u
SCL1
SDA1
C2429
50V
0.01u
IC2401
SOUND CTRL
C1BB00000800
R2409
4.7k
C2415
C2407
C2412
50V
50V
50V
4.7u
5600p
0.01u
D2312
MA3X152K0L
R2494
820
C2382
R2371
16V
180k
100u
D2311
MA3X152K0L
3
R2414
C2416
24k
50V
270p
R2415
130k
C2418
50V
270p
R2418
C2420
24k
50V
270p
R2435
22k
R2419
130k
C2422
+9V
50V
270p
C2431
R2422
50V
C2424
36k
50V
5600p
0.01u
R2423
47k
C2426
50V
5600p
C2430
16V
100u
R2431
22k
R2421
C2427
36k
50V
5600p
R2420
30k
C2425
50V
5600p
R2417
C2423
33k
0.033u
25V
R2416
180k
C2421
25V
0.033u
R2413
C2419
33k
25V
0.033u
R2412
180k
C2417
25V
0.033u
R2390
1k
R2398
1k
C2445
50V
0.012u
R2443
47k
C2440
R2444
50V
1k
0.01u
C2443
R2445
16V
1k
100u
VCC
R2440
47k
C2444
50V
0.012u
4
R2434
C2436
22k
50V
560p
VCC
200
L
IC2402
C0ABBA000073
R
GND
R2430
C2432
22k
50V
560p
MUTE SW
R2391
6.8k
3.2
Q2311
R2392
0
2SD0601A0L
27k
0
3.2
0
Q2309
Q2
0
2SD0601A0L
2SD0
C2442
50V
0.012u
R2442
22k
L
IC2403
400H
C0ABBA000073
R
GND
R2439
22k
C2441
50V
0.012u
76
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