A-Board (6/18) Schematic Diagram - Panasonic TC-P46G25 Service Manual

12.10. A-Board (6/18) Schematic Diagram

! A-BOARD TXN/A1LKUUS (6/18)
PEAKS-LDA2 TO 15/18
PD_APWMSRP
PD_APWMSRN
PD_APWMSLP
PD_APWMSLN
46 47
AUDIO AMP
SOS
TP2008 SUB3.3V
GenX8 Q2300
OPERATE
R2331
220 B1ADCE000022
TO 7/18
AG_SOUND_SOS
C2301 R2302
R2330
16V 2.2k
0.1u 3.9k
R2303
2.2k
C2300
16V
0.1u
OPERATE
RESET
R2307
4.7k
AMP_MUTE
TO 9/18 AMP_MUTE
PWM_READY
MUTE
System(Dchip)
R2308
1k
TO 15/18 PD_NSHUTDOWN
R2306
47k
SUB3.3V
R2301
PWM_WO_L+
10k
TO 15/18 PD_MUTEB
PWM_WO_L-
PWM_WO_R+
PWM_WO_R-
PWM_WO_R+
PWM_WO_R-
PWM_WO_L+
PWM_WO_L-
R2326
EXB28V220JX
L2001
J0JYC0000070
48 49
OPERATE
SOS
SOUND15V
L2018
C2367 C2365
J0JHC0000045
25V 25V
1u 10u
1 44
STBY
PVD1
2 43
MUTE
PVD1 L2010
G1C220MA0416
3 42
SOS R2127
OUT_CH1_P 3.3
4 41
NC1 C2337
OUT_CH1_P
C2317 50V
0.022u
5 NC2 40 50V
BOOT_CH1_P 0.1u C2333
25V C2377
6 NC3 39
0.33u 50V
VDDA1 C2305
C2319 0.022u
25V
7 NC4 38 50V
1u
BOOT_CH1_N 0.1u L2012
G1C220MA0416 C2375
8 PWM_A1 37
50V
OUT_CH1_N
0.022u
9 36
PWM_B1 C2339
OUT_CH1_N JS2005 C2335
50V
0 25V
10 NC5 35 0.022u
PGND1 0.33u
R2121
11 NC6 34
3.3
PGND1
12 NC7 33
L2014
PGND2
G1C220MA0416
13 GND 32
PGND2
14 PWM_B2 31 R2125
OUT_CH2_N 3.3
15 PWM_A2 30
OUT_CH2_N C2321 C2341 C2345
50V 25V 50V
16 NC8 29
0.022u
BOOT_CH2_N 0.33u
0.1u
17 NC9 28 C2390
25V C2379
VDDA2
C2323 1u 50V
50V
18 NC10 27 0.022u
BOOT_CH2_P
0.1u L2016
19 NC11 26
G1C220MA0416
OUT_CH2_P
20 NC12 25
OUT_CH2_P C2343
25V
21 NC13 24
0.33u
PVD2 C2364
C2369
25V 25V
22 NC14 23
1u 10u
PVD2
SOUND15VR
L2019
J0JHC0000045
IC2301
C1AB00003230
AUDIO AMP
50 51
52
C2389
50V
1000p A11 TO SPEAKER
TP2010
1
L+
TP2012
2
L-
TP2014
3
R+
C2385 C2387 TP2017
4
50V 50V R-
1000p 1000p
C2383
50V
1000p
C2381
50V
0.022u
C2347
50V
0.022u
R2123
3.3
52 53 54