A-Board (10/20) Schematic Diagram - Panasonic TX-P42S10B Service Manual

12.14. A-Board (10/20) Schematic Diagram

! A-BOARD (10/20)
ADV_A
REF No. 2000-2499
TO 6/20
G-AUDIO_XRST
G-AUDIO_XRST
G-SOUND_SOS
G-SOUND_SOS
TO 14/20
AMP_MUTE
AMP_MUTE
R2316
TO 7/20 EXB28V220JX
22 PWM_WO_R+
PWM4A
PWM_WO_R-
PWM4B
PWM_WO_L+
PWM3A
PWM_WO_L-
PWM3B
PWM_READY
MUTE
PWM_READY
PWM_READY
R2126
G-AUDIO_XRST
ARESETB
S
82 83
TP2008 Q2022 SUB9V
R2142
B1ADCE000022
To SOS 2.2k
G-SOUND_SOS
OPERATE
R2115
C2301
R2141
2.2k
SOS 16V 1k
0.1u
R2114
D2014
2.2k MA2J11100L
C2302 R2118
16V 470
0.1u D2017
MA2J11100L
AUDIO AMP
IC2301
OPERATE
C1AB00002875
C2359
RESET
50V
AMP_MUTE R2129 1000p
1 STBY 36
PVD1
PWM_READY
10
2 35
NC1
MUTE
PVD1
PWM_READY R2137
3 MUTE 34
OUT_CH1_P
C2317
10
4 33 50V 0.1u
NC2
BOOT_CH1_P
PWM_WO_L+
5 PWM_A1 32
VDDA1
C2319
6 31 50V 0.1u
NC3
BOOT_CH1_N
PWM_WO_L- 7 PWM_B1 30
OUT_CH1_N
8 NC4 29
PGND1
C2313
9 28
VREG5
PGND1
10V 1u
10 GND 27
PGND2
11 NC5 26
PGND2
PWM_WO_R+
12 PWM_B2 25
OUT_CH2_N
C2321
13 NC6 24 50V 0.1u
BOOT_CH2_N
PWM_WO_R-
14 PWM_A2 23
VDDA2
C2323
15 NC7 22 50V 0.1u
BOOT_CH2_P
R2325
16 NOD_THERM 21
OUT_CH2_P
0
17 NOD_OUTSHDN 20
PVD2
18 NC8 19
PVD2
C2353
50V
1000p
TO 14/20
SIF
C2096
16V
0.1u
AM
TO 13/20
AV_L
AV_R
TO 11/20
TV_L
TV_R
AUDIOOUT_L
AUDIOOUT_R
TO 11/20
C2098
HP_LOUT
220u
HP_ROUT
R2017
10k
C2099
220u
R2018
10k
84 85
SOUND15V S_15V
L2023
G1C3R0ZA0156
C2407
C2412
25V 25V
L2018
1u 10u
J0JHC0000042
C2411 C2410 C2409 C2408
50V 25V
25V 25V
C2361
1000p 1u
1u 1u
25V
470u
C2309
25V
1u
L2010
G1C220MA0291
R2127
3.3
C2337
50V
C2325 0.022u
C2305 C2333
0.47u
25V 25V C2377
50V
0.1u 50V
1u
0.022u
C2375
50V
C2389
0.022u
50V
C2339
1000p
C2335 50V
25V
0.022u
0.1u TP2010
R2121
L2012
3.3
G1C220MA0291 TP2012
L2014
G1C220MA0291 TP2014
C2385 C2387
R2125
50V 50V
3.3
C2390
1000p 1000p
25V
1u
C2331 C2341 C2345
25V
50V 50V
0.47u 0.1u 0.022u
TP2017
C2379
50V
C2383
0.022u
50V
C2303 1000p
25V C2381
1u
50V
0.022u
C2343
25V C2347
50V
0.1u
0.022u
L2016 R2123
G1C220MA0291 3.3
SUB5V
Q2001
R2015
10k
B1ABCF000231
R2132
R2016 470 TO 7/20
L2001
R2007 R2006
10k C2120
G1C150KA0038
220 470 50V 56p
SIF_IN1
R2032
C2092 C2091
0
R2008 50V
50V
470
22p 10p
C2121
50V 56p
SIF_IN2
C2261 R2047 28k
10u
AUXIN2L
1%
10V
C2262 10u R2048 28k
AUXIN2R
10V 1%
C2263 10u R2050 28k
AUXIN1L
10V 1%
C2264 10u R2051 28k
AUXIN1R
10V
1%
TV_L
TV_R
C2122
C2123
16V 16V
0.01u
0.01u
AUDIOOUT_L
AUDIOOUT_R
C2129 C2128
16V 16V
0.01u 0.01u
DVDDIO_3.3V
R2023 10k
MUTEB
TO 7/20
R2063 0
HPOUT1L
6.3V R2064 0
HPOUT1R
R2093 R2092
R2111
Q2064 10k 10k
100
2SD0601ASL
Q2065
TO 14/20
2SB0709ASL R2122
HP_MUTE
100
R2119 R2124 R2120
1M
10k 47k
Q2063
R2110
2SD0601ASL
100
6.3V
86 87
58
A12
TO SPEAKER
1
L+
2
L-
A11 TO SPEAKER
1
R+
2 NC
3 R-
88 89 90