Panasonic TH-50PX80UA Service Manual page 51

11.15. A-Board (6/15) Schematic Diagram
A-BOARD TNPH0716AHS (6/15)
!
1
2
3
MUTE OPERATE
AMP_MUTE
AMP_MUTE to (11/15)
MUTE OPERATE
A_MON_MUTE
A_MON_MUTE
4
5
JS3051
0 V2_R
JS3052
0 V2_L
JS3053
0 V2_V
JS3054
0 V2_Y
JS3055
0 V2_C
JS3056
0
V2_S_DET
SUB9V
AV3_L
11
D3086
MAZ81400ML
10
AV3_R
R3051 9
D3085
VJUMP1005-S
MAZ81400ML
S AV3_V_GND 8
AV3_V
R3053 7
D3089
VJUMP1005-S
MAZ81400ML
S 6
AV3_Y_GND
R3052 AV3_Y
5
VJUMP1005-S D3087
MAZ81400ML
S 4
AV3_C_GND
AV3_C
3
D3088
AV3_S_DET MAZ81400ML
2 JS3058
0
KEYSCAN1
1
A51
TO
G-BOARD
(G51)
TH-50PX80UA
A-Board (6/15) Schematic Diagram
46 47
CONNECTOR,AVSW
R2116
10k Q2041
2SD0601A0L
R2117
10k
R2115
10k Q2042
R2138 2SD0601A0L
10k
IC2008
C0CBCBE00001
TP2000 AUD3.3V AUD 3.3V
1
C2111
R2114 2
6.3V
75k
2.2u
3
R2113 C2116
50V
120k
470p 4
C2263
10V
R2150
10u
>> MAIN_L 28k
C2264
10V
R2151
10u
>> MAIN_R 28k
R2100
20k
C2106
16V 0.1u
C2108
47u +
6.3V
C2105
1
0.1u
16V
C2107 2
+
6.3V 47u 3
C2100
4
16V 0.1u AVDD
AUXIN1L
5
C2101 NC AUXIN1R
10V 10u 6
ISET
NC
7
NC
Digital_Audio_in 8
NC IC2106
from Peaks and HDMI
9
NC
10 C1AB00002908
NC
11
NC
SOUND PROCESSOR
12
NC
13
DGND
C2050 14
R2111
16V 0.1u DVDD
100
15
MUTE
DVDD
AD_SDA2 SDA2 R2056 VJUMP1005-S 16
SDA SDIN0
S
AD_SCL2 SCL2 R2057 VJUMP1005-S 17
SDIN1
SCL
DTV_LRCK S DTV_LRCLK >>
18
DTV_SRCK DTV_BCLK >> 19
20
R2110
10k
DTV_DMIX DTV_SDIN >>
AUD3.3V C2054
C2023
L2041 R2164 10V
16V
J0JYC0000068 1k
0.1u 10u
C2052
16V
HDMI_SDIN HDMI_SDIN >> 0.1u
HDMI_SPDIF HDMI_SPDIF >>
R2060
DTV_SPDIF DTV_SPDIF >> 68
HDMI_BCLK HDMI_BCLK >>
HDMI_LRCK HDMI_LRCLK >>
L2020
to ADV VJUMP1005-S
MCLK << 24.576MHz
DVDD1.8V
1.8V (500mA)
TP2002
JS2085 0
1
C2187
2
6.3V
2.2u
3
C2188
50V
470p 4
IC2107
SUB3.3V
C0DBFFD00003
D3005
K7AAAY000003 C3157
DVDD1.8V
16V
OPTICAL 0.1u
AUDIO
OUT
48 49
SUB3.3V
Q2301
TP2315
R2331 2SB0709A0L AMP_SD(SOS_DET)
SOUND SOS 220
C2301
R2330 R2302
16V
3.9k 2.2k
0.1u
R2301
2.2k
SUB5V
S
R2358
C2302
VJUMP1005-S
7 16V
VOUT VIN
DVDD1.8V OPERATE 0.1u
OPERATE
C2118
R2317
10V MUTE RESET
NC 100
1u
6
SUB R2163
PWM_READY
GND 10k TP2302
R2306
JS2300 MUTE
100
0
5
CNCONT
PWM_SQ_L+
R2190 PWM_SQ_L-
VJUMP1005-S
>> Monitor R
S
C2181
25V C2313
0.01u 10V
1u
R2191
VJUMP1005-S
>> Monitor L
S
C2180 PWM_SQ_R+
25V
0.01u
PWM_SQ_R-
R2325
100
C2192
6.3V
47u
L2029
J0JCC0000059
60
59
58
C2244
57 R2104 16V
HPOUT1L
AUXOUT3R 2k 0.1u
56
AUXOUT3L AGND
55
NC C2245
AGND
50V 1000p
54 C2213
PLL_LF
50V 1000p
53
AVDD C2216
0.1u
52 16V
DGND C2251
C2049 10V 10u
51
DVDD 16V
50 0.1u
RESET
49
PWM4B
48
PWM4A
47
PWM3B
R2271
46
PWM3A EXB28V220JX
DVDD
45 SQ_R- PWM_SQ_R-
PWM_READY PWM2B
44 SQ_R+ PWM_SQ_R+
SPDIF_OUT
PWM2A
SQ_L- PWM_SQ_L-
43
42 SQ_L+ PWM_SQ_L+
41
C2053
16V
0.1u
R2058
C2056
820
50V 15p
X2010
H0J245500089
R2059 C2055
1M 50V 12p
SUB3.3V
7
C2189
10V
1u
6
R2162
10k
5
50 51
51
SOUND15V
SOUND15V
D2301 R2305
MA2J11100L 470
R2315
IC2301
3.3
C2361 C3532
C1AB00002875
25V 25V C2337
470u 10u 50V
AUDIO AMP 0.022u
C2377
50V
1 STBY 36
0.022u
PVD1
C2353 C2303
50V 25V
2 NC1 35
0.1u 1u
PVD1 L2300 C2375
G1C220MA0291 50V
3 MUTE 34
0.022u
OUT_CH1_P
C2317
C2333
4 NC2 33 50V
25V C2339
BOOT_CH1_P 0.1u 50V
0.33u
C2305 0.022u
5 PWM_A1 32
25V
VDDA1 C2389
1u TO SPEAKER
C2335 50V
6 NC3 31 R2308
C2319 25V 1000p
BOOT_CH1_N 3.3
50V 0.33u
0.1u
7 30 A12
PWM_B1
OUT_CH1_N
L2302
TP2311
8 29 G1C220MA0291 C2387 1 L+
NC4 50V
PGND1
1000p
TP2312
9 28 2 L-
VREG5
PGND1
TP2313
10 GND 27 3 R+
PGND2
TP2314
11 NC5 26 4 R-
PGND2 L2304
G1C220MA0291
12 PWM_B2 25 C2383
50V
OUT_CH2_N C2321
1000p
50V 0.1u C2341 C2385
13 NC6 24 25V R2313
50V
BOOT_CH2_N 0.33u 3.3
1000p
C2307
14 PWM_A2 23
25V
VDDA2 C2323 C2345
1u
50V 0.1u C2343 50V
15 NC7 22
25V 0.022u
BOOT_CH2_P
0.33u
16 NOD_THERM 21
C2379
OUT_CH2_P
L2306 50V
17 NOD_OUTSHDN 20 G1C220MA0291 0.022u
PVD2
18 NC8 19
C2381
PVD2
C2359 C2309 50V
50V 25V 0.022u
0.1u 1u
C2347
50V
0.022u
R2311
3.3
TH-50PX80UA
A-Board (6/15) Schematic Diagram
52 53 54
SPEAKER_L
SPEAKER_R