A-Board (6/22) Schematic Diagram - Panasonic TC-P50G15 Service Manual

11.10. A-Board (6/22) Schematic Diagram

A-BOARD TXN/A1FFUUS (6/22)
!
AVSW
AusioSW<-DTV_LOUT for M-OUT DTV_ROUT
DTV_ROUT
TO 7/22
AusioSW<-DTV_ROUT for M-OUT DTV_LOUT
DTV_LOUT
AusioSW->Analog Audio_L
MAIN_L
TO 7/22
AusioSW->Analog Audio_R
MAIN_R
GenX5
AG_SOUND_SOS
AG_SOUND_SOS
TO 9/22
AG_AUDIO_XRST
AG_AUDIO_XRST
Analog ASIC
AMP_MUTE
TO 4/22 AMP_MUTE
MUTE
OPERATE
46 47
POWER AMP
C2263
10V R2050
10u 28k R2033
>> MAIN_L >> Monitor R DTV_ROUT
S
C2129
16V
0.01u
C2264
10V R2051
10u R2034
>> MAIN_R 28k >> Monitor L DTV_LOUT
S
C2128
16V
0.01u
DVDDIO_3.3V
R2023
10k
TO 13/22
MUTEB
ARESETB
ARESETB
ADV7471 SQ_R- >>
PWM4B
SQ_R+ >>
PWM4A
SQ_L- >>
PWM3B
SQ_L+ >>
PWM3A
PWM_READY
R2125
R2152
48 49
OPERATE SOS
TP2315 Q2301 SUB3.3V
R2331
To SOS B1ADCE000022
AG_SOUND_SOS 220
SOUND15V
L3512
C2301
R2330 R2302 J0JHC0000042
16V
3.9k 2.2k
0.1u
C3530
25V
R2301 OPERATE 470u
2.2k
SOS
D2303 R2305
C2302
MA2J11100L 470
16V
0.1u
IC2301
C1AB00002875
AUDIO AMP
OPERATE
RESET
R2317
AMP_MUTE
1 STBY
S
PWM_READY
2 NC1
MUTE
PWM_READY R2306
3 MUTE
S
4 NC2
PWM_SQ_L+ 5
PWM_A1
6
NC3
PWM_SQ_L- 7
PWM_B1
8 NC4
C2313
9 VREG5
10V
1u
10 GND
11 NC5
PWM_SQ_R+ 12 PWM_B2
13 NC6
R2271
PWM_SQ_R- 14 PWM_A2
EXB28V220JX
PWM_SQ_R-
15 NC7
PWM_SQ_R+
PWM_SQ_L-
16 NOD_THERM
PWM_SQ_L+
17 NOD_OUTSHDN
18 NC8
to D-AMP. >>
50 51
52
C3532
25V
10u
R2315
3.3
C2337
50V
0.022u
C2377
50V
36
0.022u
PVD1
C2353 C2303
50V 25V
35
0.1u 1u L2300
PVD1 C2375
G1C220MA0291 50V
34
0.022u
OUT_CH1_P
C2317 C2333
33
50V 25V C2339
BOOT_CH1_P
0.33u 50V
0.1u
32 C2305 0.022u
VDDA1 25V
C2389 A12
1u
31 C2319 C2335 50V
R2308
BOOT_CH1_N 50V L2302 25V 1000p
3.3
0.1u G1C220MA0291 0.33u
30
OUT_CH1_N
TP2311
C2387
29
50V
PGND1
1000p TP2312
28
PGND1
TP2313
27 A11
PGND2
TP2314
26
PGND2 L2304
G1C220MA0291
25
C2383
OUT_CH2_N
C2321 50V
C2341
24 50V C2385 1000p
25V R2313
BOOT_CH2_N 3.3 50V
0.1u 0.33u 1000p
23 C2307
VDDA2 25V
C2345
1u
22 C2343 50V
C2323
L2306 25V 0.022u
BOOT_CH2_P 50V
0.33u
0.1u G1C220MA0291
21
C2379
OUT_CH2_P
50V
20 0.022u
PVD2
19
C2381
PVD2
50V
C2359 C2309
0.022u
50V 25V
0.1u 1u
C2347
50V
0.022u
R2311
3.3
52 53
TO SPEAKER_L
1
L+
2
L-
TO SPEAKER_R
1
R+
2
3
R-
54