Panasonic TH-37PW7BX Service Manual page 156

JS2301
C2304
AHG00005
12.2
AVR 9V
C2313
8.9 50V
47u
0
C2314
25V
47u
R2309
4.7k
R2489
0
2332
1.8k
R2310
5.6k
D2317
0JCME000025
5
126
AUDIO AMP
IC2301
C1BA00000278
1
0
R2351
2
0
10k
11.2 3
LIPPLE FILTER
C2354 R2353
4
0.5
STB SW
35V AMP
47u 10k
0.5
5
NC
0.5
6
NC
C2352
2.7 7
ON TIME
0.5
50V 8
NC
10u
0
9
PRE GND
C2350
0.5
10
NC
16V
2.2u
3.3
11
IN
12
3.3
BEEP
C2356
C2358
50V 50V
0 13
POWER GND
1000p 2.2u
0 14
POWER GND
1
0
R2352
0 2
10k
11.2 3
LIPPLE FILTER
R2354
C2355
4
2.3
35V AMP STB SW
47u
10k
5
0.6
NC
0.6 6
NC
C2353
7
2.7
ON TIME
50V 10u
8
0.5
NC
0 9
PRE GND
C2351
10
0.5
16V NC
2.2u
3.3 11
IN
3.3 12
BEEP
C2357 C2359
50V 50V
0 13
POWER GND
1000p
2.2u
14
0
POWER GND
R2350
IC2302
4.7k
C1BA00000278
AUDIO AMP
6
28
0
C2362
27 25V
0.2
470u
26 0
SW GND
25
0
SW GND
0.2
24 3.5 Q2330
3.6
SW B
2SD1266AP0LB
23 3.3 3.4
SW E
L2330 D2301
22 3.3
B0JCME000025
220u
SW OUT
21
12.2
C2366
Vcc(SW)
50V
20
12.1
2.2u
=
Vcc
R2357
C2360
19 12.0
1000p 2.2
50V
18 1/2W
3.3
17
1.7
OUT-
16 1.7
OUT+
C2364 C2368
15
0 0.1u 0.1u
POWER GND
50V 50V
=
R2355 R2359
1/2W 1/2W
2.2 2.2
=
28
0
C2363
27 0.2
25V
470u
26 0
SW GND
25
0
SW GND
0.4
Q2331
24
3.5 3.5
SW B
2SD1266AP0LB
23 3.3 3.3
SW E
D2302
L2331
22
3.3
B0JCME000025
SW OUT 220u
21 12.2
C2367
Vcc(SW)
50V
12.1
20 2.2u
=
Vcc
R2358
19 C2361
12.0
2.2
50V
1000p 1/2W
18
3.3
17 1.7
OUT-
16 1.7
OUT+
C2369
C2365
15
0
POWER GND 50V 50V
0.1u 0.1u
=
R2356
R2360
2.2
2.2
1/2W
1/2W
=
TH-37/42PW7 series
TH-37/42PWD7 series
Z-Board (1 of 2) Schematic Diagram
1
2
Z7
1.7 1
+R OUT
0.1 2
1.7 3
-R OUT
*R2494
*R2495
0
0
Z6
1.7 1
+L OUT
0.2 2
0.1 3
1.7 4
-L OUT
3
4
5
6
7
8
9
10
7 8