14.7. PA-Board (1 of 3) Schematic Diagram
+
+
+
+
+
+
+
+
+
+
+
+
+
+9V
+12Vs
+9V
+9V
+9V
STB5V
R2464
100
C2438
16V
100u
R2466
100k
Q2308
2SD0601A0L
R2434
4.7k
JS2304
C2431
50V
0.01u
D2310
MA3X152K0L
C2452
50V
5600p
C2457
25V
4.7u
R2438
100
Q2305
2SD0601A0L
R2374
100k
Q2410
2SD0601A0L
R2472
4.7k
1%
R2463
15k
R2373
5.6k
C2461
50V
470p
R2476
22
R2375
10k
C2484
50V
0.01u
Q2304
2SD0601A0L
R2441
12k
Q2303
2SD0601A0L
R2480
1k
R2469
100k
C2463
50V
0.047u
C2419
16V
10u
R2484
33k
C2454
25V
4.7u
R2452
47k
JS2301
PA6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R2481
15k
R2467
220k
C2460
50V
0.047u
C2467
16V
1u
R2461
100
Q2408
2SD0601A0L
C2480
16V
0.22u
D2312
MA3X152K0L
R2348
10k
D2311
MA3X152K0L
R2483
1k
R2462
100
C2466
16V
1u
C2442
16V
0.22u
C2458
50V
470p
R2346
12k
C2433
50V
0.039u
R2439
56k
R2456
10k
C2441
16V
4.7u
R2440
0
R2471
1.8k
R2372
22k
R2445
0
Q2406
2SD0601A0L
C2437
16V
100u
C2434
50V
0.022u
D2316
B0JCME000025
PA5
1
2
3
4
5
6
7
8
9
10
11
R2450
56k
AN7709SP-E1
IC2304
OUT 3
2
COMMON
IN
1
JS2307
C2414
16V
47u
R2378
100k
R2470
4.7k
D2313
MA3X152K0L
C2440
16V
4.7u
R2482
15k
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
C2435
50V 0.01u
C2429
16V
100u
R2448
1k
C2436
16V
1u
C2423
50V
0.01u
R2347
12k
JS2308
C2413
50V
47u
R2468
4.7k
R2371
180k
R2477
22
C2453
50V
0.1u
1%
R2460
18k
C2451
25V
4.7u
R2431
12k
R2377
470
C2382
16V
100u
1/2W
R2494
820
C2459
16V
1u
R2376
22k
R2473
1.8k
R2457
33k
C2450
16V
10u
C2427
16V
10u
L2306
ELJPA100KF
C2426
50V
0.015u
Q2306
2SD0601A0L
R2453
10k
C2381
50V
10u
JS2106
JS2107
A1-A1
TWE3201110YY
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
AMUTE
SUBVOL
SUBMONO
GND
GND
Rin
Lin
GND
GND
RESET
R AMP
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
TO
7
3
6
D
E
C
A
B
4
1
2
5
8
DG-BOARD
(DG6)
TO
P-BOARD
(P5)
AUDIO AMP
MAIN DEF
AVR 9V
POWER ON MUTE
POWER ON MUTE
L AMP
RESET
RESET
!
1
2
3
4
5
6
9
7
8
PA-BOARD TXNPA1QCSE(1/3)
TH-42PA20B/E
PA-Board(1of3)Schematic Diagram
TH-42PA20B/E
PA-Board(1of3)Schematic Diagram
43
Summary of Contents for TH-37PA20AA
Page 20: ...4 TH 37PA20AA TH 37PA20FA TH 37PA20HA TH 37PA20MA TH 37PA20RA ...
Page 30: ...6 Mechanical Replacement Parts List 10 ...
Page 68: ...R483 ERG2FJS104D M 100KOHM J 2W 1 48 ...
Page 71: ...R1061 ERJ3GEYJ223 M 22KOHM J 1 16W 1 51 ...
Page 107: ...6 Mechanical Replacement Parts List 9 ...
Page 110: ...7 2 Electrical Replacement Parts List 12 ...
Page 144: ...R408 ERJ6GEYJ6R8 M 6 8 OHM J 1 10W 1 46 ...
Page 148: ...R1075 ERJ3GEYJ102 M 1KOHM J 1 16W 1 50 ...
Page 172: ...S300 K0F162B00002 SWITCH 1 74 ...
Page 287: ...2 Service Hint 7 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 288: ...8 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 308: ...7 3 Lead of wiring 3 ...
Page 309: ...7 4 Lead of wiring 4 ...
Page 315: ...9 3 Option Description ...
Page 316: ......
Page 317: ...10 CAT computer Aided Test mode ...
Page 330: ...17 Mechanical Replacement Parts List ...
Page 568: ...1 Applicable signals 4 TH 42PA20E TH 42PA20B ...
Page 572: ...5 Service Hint 8 TH 42PA20E TH 42PA20B ...
Page 578: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 7 2 Lead of wiring 2 14 TH 42PA20E TH 42PA20B ...
Page 579: ...7 3 Lead of wiring 3 15 TH 42PA20E TH 42PA20B ...
Page 580: ...7 4 Lead of wiring 4 7 5 Lead of wiring 5 16 TH 42PA20E TH 42PA20B ...
Page 586: ...22 TH 42PA20E TH 42PA20B ...
Page 587: ...9 3 Option Description 23 TH 42PA20E TH 42PA20B ...
Page 588: ...24 TH 42PA20E TH 42PA20B ...
Page 591: ...10 4 IIC mode structure following items value is sample data 27 TH 42PA20E TH 42PA20B ...