Panasonic lh90 tc-l32c12 Service Manual
33
11.5. A-Board (4/10) Schematic Diagram
+
+
+
+
+
Thermal Pad
P
P
AUDIO_R
AUDIO_L
AUDIO_L
AUDIO_R
AG_SOUND_SOS
AG_SOUND_SOS
AMP_RST
AMP_RST
C2315
50V
0.1u
C2339
25V
1u
1u
C2337
50V
0.1u
*C2313
25V
0.1u
*C2331
25V
0.1u
C2340
50V
0.1u
*C2309
25V
0.1u
C2307
50V
0.1u
C2327
25V
3.3u
C2306
25V
1u
1u
*C2335
25V
0.1u
C2326
50V
0.1u
C2328
25V
1u
C2305
50V
0.1u
0.1u
C2341
25V
1u
C2344
16V
1u
C2329
50V
0.1u
C2301
16V
1u
C2317
25V
1u
C2101
10u
10V
*C2310
50V
0.47u
0.47u
*C2332
50V
0.47u
0.47u
C2330
25V
10u
C2338
25V
10u
C2342
10u
25V
C2308
25V
10u
C2300
25V
470u
D2318
MA2J11100L
D2319
MA2J11100L
C1AB00003012
IC2301
1
IN1
44
IN2
2
PLMT1
3
PLMT2
4
PLMT3
5
PLMT4
6
BSP1P
7
VCCP1P
8
VCCP1P
9
OUT1P
10
OUT1P
11
GNDP1
12
GNDP1
13
OUT1N
14
OUT1N
15
VCCP1N
16
VCCP1N
17
BSP1N
18
WARNING
19
ERROR
20
MUTEX
21
SDX
22
N.C.
23
OSC
24
MS
25
ROSC
26
TM
27
VHOLD
28
BSP2N
29
VCCP2N
30
VCCP2N
31
OUT2N
32
OUT2N
33
GNDP2
34
GNDP2
35
OUT2P
36
OUT2P
37
VCCP2P
38
VCCP2P
39
BSP2P
40
VCCA
41
FILP
42
FILA
43
GNDA
A15
1
2
3
4
*L2335
G1C330MA0291
*L2313
G1C330MA0291
*L2331
G1C330MA0291
*L2309
G1C330MA0291
SUB5V
P17V
SUB3.3V
STB5V
JS2101
JS2102
TP2304
TP2300
TP2301
TP2302
TP2303
AMP_MUTE
AUDIO_R
AUDIO_L
AG_SOUND_SOS
Q2350
B1ABCF000231
Q2106
B1ABCF000231
Q2101
B1ABCF000231
R2101
56k
R2355
22k
R2350
10k
R2351
10k
1%
R2303
22.1k
22.1k
R2102
10k
R2103
100k
1%
R2304
22.1k
22.1k
R2352
47k
R2353
0
R2354
0
1%
R2302
60.4k
SP_L+
SP_R+
OPERATE
SOS
To SOS
SP_R-
SP_L-
AUDIO AMP
TO
SPEAKER
SPEAKER
28
34
35
30
31
32
33
36
29
TO 3/10
TO 7/10
TO 7/10
!
TXN/A10NGSS
A-BOARD (4/10)