A-Board (4/11) Schematic Diagram - Panasonic TC-L42U12 Service Manual

11.5. A-Board (4/11) Schematic Diagram

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A-BOARD (4/11)
TXN/A10PYHS
TO 5/11
MAIN_L
MAIN_R
C2264
C2263
10V 10V
10u 10u
R2051 R2050
28k 28k
1% 1%
DVDDIO_3.3V
MUTEB
R2023
10k
TO 6/11
AG_SOUND_SOS
AG_SOUND_SOS
AG_AUDIO_XRST
AG_AUDIO_XRST
MUTE
TO 3/11
OPERATE
AMP_MUTE
AMP_MUTE
28 29
R2033
S
C2129
16V
0.01u
R2034
S
C2128
16V
0.01u
C2099
L2005
6.3V 100u J0JHC0000045
HPOUT1R
HPOUT1L
R2018
C2098
R2092 R2093 10k
6.3V
10k 10k
100u
L2006
J0JHC0000045
TO 10/11
R2017
ARESETB
10k
PWM_SQ_R-
PWM4B
PWM_SQ_R+
PWM4A
PWM_SQ_L-
PWM3B
PWM_SQ_L+
PWM3A
PWM2B R2271
EXB28V220JX
PWM2A Q2064
22
PWM1B 2SD0601ASL
PWM1A
Q2065
R2107
100
2SB0709ASL
R2106
100
Q2063
2SD0601ASL
SUB5V
Q2304
D2304
B1ADCE000022
MA2J11100L
R2361 C2398 C2399
10V 10V
R2125 100
10u 10u
2.2k
R2360 1k
30
OPERATE
SOS Q2301
TP2315
R2331
B1ADCE000022
To SOS
AG_SOUND_SOS 220
R2302
C2301 2.2k
R2330
16V
3.9k
0.1u
R2301
2.2k
C2302
16V
MUTE 0.1u
OPERATE
R2351
10k
AMP_MUTE
R2352
47k
PWM_READY
MUTE TP2302
PWM_READY
MUTE
OPERATE
R2353
10k
SUB5V_MUTE
R2354
47k
TO 5/11
HP_ROUT
HP_ROUT
HP_LOUT
HP_LOUT
DTV_ROUT
DTV_ROUT
DTV_LOUT
DTV_LOUT
DTV_ROUT
DTV_LOUT
HP_ROUT
HP_LOUT
R2122
AMP_MUTE
1k
C2104
10V
1u
MUTE
OPERATE
R2359
100
SUB5V_MUTE
R2362
100k
31 32
31
MAIN3.3V
SOUNDVCC
IC2301
C2361
C1AB00002875
25V
470u
R2350
AUDIO AMP
OPERATE
10k
RESET
R2317
1 36
STBY
PVD1 C2353 C2303
Q2302 0 PWM_READY
2 NC1 35 50V 25V
PVD1 1u
MUTE 0.1u
B1ABCF000231 R2306
L2300
3 MUTE 34
OUT_CH1_P
C2317 G1C220MA0291
0
4 33 50V 0.1u
NC2
BOOT_CH1_P
C2305
PWM_SQ_L+ 5 32 25V
PWM_A1 1u
VDDA1 C2319
6 NC3 31 50V 0.1u
BOOT_CH1_N
PWM_SQ_L- L2302
7 PWM_B1 30
OUT_CH1_N
G1C220MA0291
8 NC4 29
PGND1
C2313
9 28
VREG5
PGND1
10V 1u
10 GND 27
PGND2
11 NC5 26
PGND2
PWM_SQ_R+ L2304
12 PWM_B2 25
OUT_CH2_N
C2321 G1C220MA0291
13 NC6 24 50V 0.1u
BOOT_CH2_N
C2307
PWM_SQ_R- 14 PWM_A2 23 25V 1u
VDDA2 C2323
OPERATE
15 NC7 22 50V 0.1u
BOOT_CH2_P
SOS
R2325
L2306 22u
16 NOD_THERM 21
OUT_CH2_P
G1C220MA0291
0
D2303 17 NOD_OUTSHDN 20
PVD2
MA2J11100L
18 NC8 19
PVD2
C2359 C2309
50V 25V
0.1u 1u
STB3.3V STB5V
D2305
R2382
MA2J72800L
100
R2379 R2381 R2383
10k 470k
R2380
R2385
560 MA2J11100L
10k
Q2309
D2306
TO 6/11
2SB0709ASL MA2J11100L MA2J11100L
AG_ODU_DET/KEY3 R2377
56k
R2375
C2405
R2374 56k
50V
100k
1000p
TO 5/11
AG_KEY3
33 34
R2315
3.3
C2337
50V
0.022u
C2377
50V
0.022u
C2375
50V
22u
0.022u
C2333
C2339
25V
50V
0.33u
0.022u TO
C2389
SPEAKER
C2335 50V
R2308
25V
1000p
3.3
0.33u
22u A15
TP2311
1 L+
C2387
50V
TP2312
2 L-
1000p
TP2313
3
R+
TP2314
4 R-
22u
C2341 C2385 C2383
25V R2313
50V 50V
3.3
0.33u
1000p 1000p
C2345
C2343 50V
25V
0.022u
0.33u
C2379
50V
0.022u
C2381
50V
0.022u
C2347
50V
0.022u
R2311
3.3
SW RST
470k IC2302
C2409
C0EBF0000354 50V
100p
CD
D2307 2 VDD
C2408 3 TO 3,6/11
C2407
6.3V
6.3V
10u
10u OUT
STB_RST
1 VSS 4
D2308 R2384
100
35 36