14.7. PA-Board (1 of 3) Schematic Diagram
+
+
+
+
+
+
+
+
+
+
+
+
+
+12Vs
+9V
+9V
+9V
+9V
STB5V
R2445
0
Q2303
2SD0601A0L
Q2410
2SD0601A0L
R2468
4.7k
1%
R2460
18k
C2426
50V
0.015u
PA5
1
2
3
4
5
6
7
8
9
10
11
C2460
50V
0.047u
R2448
1k
R2377
470
R2434
4.7k
R2467
220k
D2312
MA3X152K0L
R2371
180k
C2454
25V
4.7u
R2376
22k
D2310
MA3X152K0L
C2413
50V
47u
R2374
100k
R2480
1k
R2466
100k
C2484
50V
0.01u
*JS2301
1/2W
R2494
820
C2467
16V
1u
*D2316
B0JCME000025
R2484
33k
R2441
12k
R2456
10k
R2378
100k
R2375
10k
C2442
16V
0.22u
C2427
16V
10u
JS2107
C2423
50V
0.01u
L2306
ELJPA100KF
C2435
50V
0.01u
C2382
16V
100u
R2481
15k
R2477
22
R2483
1k
D2311
MA3X152K0L
C2436
16V
1u
R2347
12k
1%
R2463
15k
Q2305
2SD0601A0L
R2472
4.7k
C2451
25V
4.7u
Q2304
2SD0601A0L
C2419
16V 10u
R2373
5.6k
R2464
100
C2466
16V
1u
Q2306
2SD0601A0L
R2471
1.8k
C2381
50V
10u
R2453
10k
C2463
50V
0.047u
C2437
16V
100u
C2431
50V
0.01u
R2473
1.8k
C2450
16V
10u
R2470
4.7k
*C2458
50V
1000p
PA6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R2346
12k
R2348
10k
IC2401
C1BA00000302
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
JS2106
R2372
22k
*JS2308
JS2304
R2431
12k
C2480
16V
0.22u
R2462
100
Q2408
2SD0601A0L
C2438
16V
100u
R2482
15k
R2452
47k
C2452 50V
5600p
*JS2307
D2313
MA3X152K0L
R2438
100
C2459
16V
1u
R2476
22
C2414
16V
47u
R2469 100k
*C2461
50V
1000p
AN7709SP-E1
IC2304
OUT 3
2
COMMON
IN
1
C2434
50V
0.022u
R2461
100
C2453
50V
0.1u
C2441
16V
4.7u
C2429
16V
100u
R2440
0
C2433
50V
0.039u
R2457
33k
C2457
25V
4.7u
R2450
56k
Q2308
2SD0601A0L
C2440
16V
4.7u
Q2406
2SD0601A0L
R2439
56k
NC
GND
GND
5V
STB5V
+12Vs
12V
12V
GNDs
GNDs
+12Vs
DR15V
STB5V
SCL1
STB5V
GND
SP_MUTE
MAIN_DEF
(AMUTE)
SUBMUTE
MAIN_DEF
R_IN
L_IN
POFF_DEF
SDA1
SCL1
SDA1
GND
POFF-DEF
RESET
SUBVOL
SUBMONO
GND
GND
GND
GND
RESET
100Hz LPF
LB
L_IN
VCC
AGC_ADJ(4.2V)
C
_IN
ADD
B_IN
LT
B_GAIN
MS_IN
STT
RT
R_IN
A_GND
LS1
LS2
STB
PS
V_REF
S_OUT
L_OUT
C_OUT
CT
CB
PORT
SCV
SRV
SLV
RB
R_OUT
SCL
SDA
MUTE
4
A
D
3
6
7
2
1
8
5
C
E
B
PA-BOARD TXNPA1QCSU(1/3)
P-BOARD
TO
(P5)
R AMP
POWER ON MUTE
POWER ON MUTE
MAIN DEF
RESET
RESET
AUDIO AMP
AVR 9V
L AMP
DG-BOARD
(DG6)
TO
1
2
3
4
5
6
7
8
9
TH-42PA20U
PA-Board(1of3)Schematic Diagram
TH-42PA20U
PA-Board(1of3)Schematic Diagram
61
Summary of Contents for TH-42PA20U/P
Page 11: ...4 TH 42PA20U A ...
Page 28: ...6 2 Lead of Wiring 2 9 ...
Page 29: ...6 3 Lead of Wiring 3 10 ...
Page 30: ...6 4 Lead of Wiring 4 11 ...
Page 55: ...16 Mechanical Replacement Parts List 36 ...
Page 61: ...C2342 ECA1HHG100 E 10UF 50V 1 42 ...
Page 78: ...R416 ERJ6ENF2551 M2 55KOHM 1 10W 1 59 ...
Page 82: ...R2453 ERJ6GEYJ103 M 10KOHM J 1 10W 1 63 ...
Page 95: ...76 ...
Page 225: ...1 Applicable signals 4 TH 42PA20U P ...
Page 230: ...6 Location of Lead Wiring 6 1 Lead of Wiring 1 9 TH 42PA20U P ...
Page 231: ...6 2 Lead of Wiring 2 10 TH 42PA20U P ...
Page 232: ...6 3 Lead of Wiring 3 11 TH 42PA20U P ...
Page 233: ...6 4 Lead of Wiring 4 6 5 Lead of Wiring 5 12 TH 42PA20U P ...
Page 242: ...9 4 IIC mode structure following items value is sample data 21 TH 42PA20U P ...
Page 253: ...32 TH 42PA20U P ...