Table of Contents
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TO
P-BOARD
PA5
12.0
(P5)
1
12V
12.0
2
12V
5.0
NR14V
3
5V
5.0
4
STB5V
0
C2381
5
GND
50V
0
10u
6
A
GND
12.0
7
+12Vs
12.0
8
+12Vs
JS2107
0
9
GNDs
JS2106
0
10
AVR +9V
IC2304
GNDs
15.0
11
DR15V
AN7709SP-E1
13.9
9.0
OUT 3
1
IN
L2306
C2413
C2414
ELJPA100KF
50V
COMMON
16V
47u
47u
2
0
B
R2406
22
SCL1
SDA1
R2405
22
TO
DG-BOARD
(DG6)
C2403
PA6
R2427
R2401
50V
100
4.0
5.6k
4.7u
L-IN
1
L_IN
NP
0
C2401
2
R2403
GND
50V
22k
1800p
3.9
3
R_IN
C2404
50V
R2402
0
R2428
4
4.7u
5.6k
100
C
GND
R-IN
NP
0
5
C2402
NC
R2404
50V
0
22k
6
1800p
GND
4.5
7
SUBMONO
0
8
GND
0
9
NC
R2382
R2383
0
0
0
10
SUBMUTE
0
11
(AMUTE)
0
12
GND
3.9
13
SCL1
3.5
14
SDA1
0
15
GND
MUTE CCT.
0
16
SP_MUTE
5.0
STB5V
17
STB5V
4.8
3.2
18
R2372
22k
D2314
Q2303
RESET
MA2J11100L
RESET
3.2
0
2SD0601A0L
19
POFF_DEF
2.6
JS2304
POFF-DEF
20
0
MAIN_DEF
D
R2373
0.6
0
5.6k
Q2304
2SD0601A0L
R2374
0
100k
Q2308
2SD0601A0L
R2377
MAIN_DEF
470
PA-BOARD TXNPA1UKSE (1/2)
E
TH-37PA30E/TH-42PA30E
PA-Board
(1 of 2) Schematic Diagram
1
+9V
C2416
50V
R2415
130k
50V
50V
R2408
C2408
33k
50V
R2419
4.7u
130k
50V
+9V
50V
SCL1
R2423
SDA1
47k
50V
C2429
C2428
50V
16V
100u
0.01u
IC2401
SOUND CTRL
C1BB00000800
C2427
50V
R2409
R2420
4.7k
30k
C2425
50V
C2415
C2407
C2412
50V
50V
50V
C2423
5600p
0.01u
4.7u
25V
R2416
180k
C2421
25V
C2419
25V
+9V
R2412
180k
D2315
25V
MA2J11100L
D2312
MA3X152K0L
R2385
R2494
820
820
C2382
R2371
16V
180k
100u
D2311
MA3X152K0L
8.9
0
0
R2378
100k
2
3
R2414
24k
270p
C2418
270p
C2420
R2418
24k
270p
R2434
R2435
C2436
22k
22k
50V
560p
C2422
+9V
270p
C2431
R2422
C2424
50V
36k
5600p
0.01u
C2426
5600p
VCC
200Hz LPF
L
IC2402
C2430
C0ABBA000073
16V
100u
R
GND
R2431
R2430
C2432
22k
22k
50V
560p
R2421
36k
5600p
5600p
R2417
33k
0.033u
R2393
R2396
0.033u
0
0
R2413
33k
0.033u
MUTE SW
C2339
R2391
50V
6.8k
10u
C2417
0.033u
3.2
R2390
Q2311
C2342
R2395
1k
R2392
0
50V
2SD0601A0L
27k
27k
10u
0
3.2
R2375
0
Q2309
Q2305
R2398
R2376
1k
0
2SD0601A0L
2SD0601A0L
22k
C2442
C2445
50V
0.012u
50V
0.012u
R2443
47k
R2442
22k
C2440
R2444
50V
1k
0.01u
C2443
R2445
16V
1k
100u
VCC
L
IC2403
400Hz HPF
C0ABBA000073
R
GND
R2439
22k
R2440
47k
C2441
50V
0.012u
C2444
50V
0.012u
4
IC2301
C1BA00000278
C2331
100k
0
1
HP IN
HP OUT
0
6dB
C2305
2
H/P
LIPPLE
35V
STB SW
FILTER
47u
11.6
3
LIPPLE
L
FILTER
3.2
4
AMP
STB SW
SW GND
+9V
0
SW REG.PART
5
NC
SW
HLS
C2307
0
6
NC
50V
22u
2.7
7
ON TIME
0
Vcc(SW)
8
NC
L
0
9
PRE GND
0
C2309
10
NC
50V
R2307
2.2u
Thermal
2k
3.3
Pad
NP
11
IN
3.3
BEEP
12
C2311
C2313
R2305
16V
50V
0
13
2.2k
0.047u
2.2u
POWER GND
0
14
POWER GND
POWER GND
IC2302
C1BA00000278
C2332
100k
0
1
HP IN
HP OUT
C2306
0
6dB
2
H/P
LIPPLE
35V
STB SW
FILTER
47u
11.6
3
LIPPLE
R
FILTER
3.2
4
AMP
SW GND
STB SW
0
SW REG.PART
5
NC
SW
HLS
C2308
0
6
50V
NC
22u
2.7
7
ON TIME
0
8
Vcc(SW)
NC
0
R
9
PRE GND
C2310
0
10
NC
50V
R2308
Thermal
2.2u
2k
3.3
NP
Pad
11
IN
3.3
BEEP
12
C2312
C2314
R2306
0
16V
50V
2.2k
13
0.047u
POWER GND
2.2u
0
14
POWER GND
POWER GND
IC2305
C1BA00000278
R2321
R2348
100k
0
1
HP IN
HP OUT
10k
0
6dB
R2329
20k
2
H/P
LIPPLE
STB SW
FILTER
14.6
C2345
3
LIPPLE
L
FILTER
35V
47u
10k
3.2
R2347
4
AMP
STB SW
SW GND
0
47k
0
SW REG.PART
0.6
5
NC
SW
HLS
0
C2347
R2346
6
0
NC
50V
47k
22u
2.7
7
Q2306
ON TIME
0
2SD0601A0L
8
Vcc(SW)
NC
L
0
9
PRE GND
C2349
0
10
NC
50V
Thermal
R2317
2.2u
Pad
270
3.3
NP
11
IN
3.3
BEEP
12
R2319
C2385
C2383
0
16V
50V
2.2k
13
POWER GND
1u
2.2u
0
14
POWER GND
POWER GND
IC2306
C1BA00000278
R2322
100k
0
HP IN
HP OUT
1
0
6dB
R2330
20k
2
H/P
LIPPLE
STB SW
FILTER
14.6
C2346
3
LIPPLE
R
FILTER
35V
47u
3.2
4
AMP
SW GND
STB SW
0
SW REG.PART
5
NC
SW
HLS
C2348
0
6
NC
50V
22u
2.7
7
ON TIME
0
8
Vcc(SW)
NC
R
0
9
PRE GND
C2355
0
10
NC
50V
Thermal
R2318
2.2u
Pad
270
3.3
NP
11
IN
3.3
BEEP
12
C2384
C2386
R2320
50V
0
16V
2.2k
13
2.2u
POWER GND
1u
0
14
POWER GND
POWER GND
5
6
+12Vs
R2339
3.9k
WOOFER AMP-L
0
28
0.3
27
C2317
0
35V
NC
26
Q2301
R2331
L2303
220u
EXCELDR35V
0
2SD1266AQ0LB
0
25
R2333
12.6
0
0
3.5
SW
24
D2301
B
B0JCME000025
3.5
3.3
SW
23
E
3.4
SW
22
L2301
OUT
220uH
R2311
C2321
12.6
2.2
50V
21
2.2u
12.6
20
Vcc
C2323
12.5
C2325
C2333
50V
1000p
19
25V
25V
470u
3.4
470u
18
1.7
OUT-
17
1.7
TO WOOFER
OUT+
16
(W-R & W-L)
0
C2327
C2329
15
50V
50V
0.1u
0.1u
PA1
R2313
R2315
2.2
2.2
1.7
1
W_R+
1.7
2
W_R-
0
WOOFER AMP-R
3
NC
1.7
4
W_L+
0
28
1.7
5
W_L-
0.3
27
C2318
0
35V
NC
26
Q2302
L2304
220u
R2332
EXCELDR35V
0
2SD1266AQ0LB
0
25
R2334
12.6
3.5
0
SW
3.5
24
D2302
B
B0JCME000025
3.4
SW
3.4
23
E
3.4
SW
22
L2302
R2312
OUT
220uH
C2322
2.2
12.6
21
50V
2.2u
12.6
20
Vcc
C2324
12.5
C2326
C2334
50V
1000p
19
25V
25V
470u
470u
3.4
18
1.8
OUT-
17
1.8
OUT+
16
0
C2328
C2330
15
50V
50V
0.1u
0.1u
R2314
R2316
2.2
2.2
SQUAWKER AMP-L
TO
P-BOARD
0
28
(P7)
0.3
27
C2387
0
35V
PA7
NC
26
D2305
220u
Q2313
R2335
L2309
B0HAPM000037
0
ERD25V0T
0
B1BBCF000013
15.0
1
25
+15Vs
R2337
15.7
3.5
27
15.0
SW
3.5
2
24
R2340
+15Vs
D2303
B
3.9k
B0JCME000025
3.4
0
3.4
SW
23
3
GNDs
E
3.4
0
SW
22
4
GNDs
L2307
OUT
R2323
220uH
C2391
2.2
15.7
21
50V
2.2u
15.7
20
Vcc
C2395
C2389
15.6
C2393
50V
1000p
19
25V
25V
470u
470u
3.4
18
1.7
OUT-
17
1.7
OUT+
16
0
C2397
C2399
15
50V
50V
TO SQUAWKER
0.1u
0.1u
(SP-R & SP-L)
R2327
R2325
2.2
2.2
PA3
1.7
1
SP_R+
SQUAWKER AMP-R
1.7
2
SP_R-
0
1.7
3
28
SP_L+
0.4
1.7
27
4
SP_L-
C2388
0
35V
26
NC
Q2314
L2310
220u
R2336
ERD25V0T
0
B1BBCF000013
0
25
R2338
15.7
3.5
27
3.5
SW
24
D2304
B
B0JCME000025
3.4
SW
3.4
23
E
3.5
SW
22
L2308
OUT
220uH
R2324
C2392
15.7
2.2
50V
21
2.2u
15.7
20
Vcc
C2396
15.6
C2394
C2390
19
50V
1000p
25V
25V
470u
470u
3.4
18
1.8
OUT-
17
1.7
OUT+
16
TH-37PA30E/TH-42PA30E
0
C2398
C2400
15
50V
50V
0.1u
0.1u
PA-Board
(1 of 2)
R2326
R2328
2.2
2.2
Schematic Diagram
7
8
1
2
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