A-Board (6/20) Schematic Diagram - Panasonic TC-46PGT24 Service Manual
46 inch class 1080p plasma hdtv
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12.10. A-Board (6/20) Schematic Diagram
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A-BOARD TXN/A1MPUUS (6/20)
46
47
AUDIO AMP
SUB3.3V
GenX8
TO 7/20
SOS
TP2008
Q2300
OPERATE
R2331
B1ADCE000022
220
AG_SOUND_SOS
C2301
R2302
R2330
2.2k
16V
3.9k
0.1u
R2303
2.2k
OPERATE
SOS
C2300
16V
0.1u
OPERATE
RESET
R2307
TO 9/20
4.7k
AMP_MUTE
System(Dchip)
TO 18/20
PWM_READY
MUTE
R2308
1k
PD_NSHUTDOWN
R2306
47k
PWM_WO_L+
PWM_WO_L-
PWM_WO_R+
PWM_WO_R-
PEAKS-LDA2
TO 18/20
R2326
EXB28V220JX
PWM_WO_R+
PD_APWMSRP
PWM_WO_R-
PD_APWMSRN
PWM_WO_L+
PD_APWMSLP
PWM_WO_L-
PD_APWMSLN
SUB3.3V
R2301
10k
TO 18/20
PD_MUTEB
48
49
SOUND15V
IC2301
L2018
J0JHC0000045
C1AB00003230
AUDIO AMP
C2367
C2365
25V
25V
1u
10u
1
STBY
44
PVD1
2
MUTE
43
R2127
L2010
PVD1
3.3
G1C220MA0416
3
42
SOS
OUT_CH1_P
C2337
4
41
50V
NC1
OUT_CH1_P
0.022u
C2317
5
40
50V
0.1u
NC2
BOOT_CH1_P
C2333
C2377
25V
50V
6
39
0.33u
0.022u
NC3
VDDA1
C2319
C2305
50V
0.1u
7
NC4
38
25V
L2012
C2375
BOOT_CH1_N
1u
G1C220MA0416
50V
8
PWM_A1
37
0.022u
OUT_CH1_N
C2335
C2339
9
PWM_B1
36
25V
50V
OUT_CH1_N
0.33u
0.022u
10 NC5
35
PGND1
R2121
11 NC6
34
3.3
PGND1
12 NC7
33
PGND2
L2014
G1C220MA0416
13 GND
32
PGND2
R2125
14 PWM_B2
31
3.3
OUT_CH2_N
15 PWM_A2
30
C2345
OUT_CH2_N
C2321
50V
16 NC8
29
50V
0.1u
0.022u
BOOT_CH2_N
C2341
C2379
17 NC9
28
25V
50V
VDDA2
C2323
C2390
0.022u
0.33u
18 NC10
27
50V
0.1u
25V
BOOT_CH2_P
1u
L2016
19 NC11
26
G1C220MA0416
C2381
50V
OUT_CH2_P
0.022u
20 NC12
25
OUT_CH2_P
C2343
C2347
21 NC13
24
25V
50V
0.33u
0.022u
PVD2
SOUND15VR
22 NC14
23
L2019
PVD2
J0JHC0000045
R2123
3.3
C2369
C2364
25V
25V
1u
10u
50
51
52
C2389
50V
1000p
A11
TO SPEAKER
TP2010
1
L+
TP2012
2
L-
TP2014
3
R+
TP2017
C2385
C2387
4
50V
50V
R-
1000p
1000p
C2383
50V
1000p
52
53
54
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