Panasonic TH-46PZ81E Service Manual page 61

11.23. A-Board (16/20) Schematic Diagram
A-BOARD TXN/A1SLTD (16/20)
!
TNR_ADAV_AudioAMP_SOS
Q2022
2SB0709A0L MAIN9V
TP2008 R2142
2.2k
To SOS
AG_SOUND_SOS
R2115
C2301 R2141 2.2k
16V
1k
0.1u
R2114
2.2k
C2302
0.1u
16V
AMUTE
TP2009
JS2320
PWM_READY
MUTE
PWM_SQ_R-
PWM_SQ_R+
PWM_SQ_L-
PWM_SQ_L+
31
32
SUB5V
STB5V SUB5V
STB3.3V
L2300
J0JYC0000068
R2108
15
C2413
10V
1u
33
C2427
10V
1u
34
35
TH-46PZ81E
A-Board (16/20) Schematic Diagram
136 137
TO
HC-BOARD
S_15V
A13
(HC13)
1
2
3
4
TP2034
5
SOUND_SOS
TP2035
6 AMUTE
7
PWM_READY
8
9
10
TP2038
11
TP2039
12
13
TP2040 JS2059
14
TP2041
15 JS2060
16
JS2061
TP2042
17
TP2043
18
19
TP2044
20
TP2045
21
22
23
BT30V
D2020
L2021 L2022
MA3X78900L
G1C470MA0291 G1C100MA0072
Q2027
C2401 R2164
B1CFNG000001 50V
100k
180p
1%
C2395 C2404
C2403 C2394 R2166
35V 50V 50V 50V
15k
0.47u
22u 0.47u 1000p
5%
R2165
3.4k
1%
MUTE
OPERATE
STB5V DTV9V
MUTE
IC2403
STB5V R2098
C1AB00002877 10k
TP2019 TP2020
R2052 R2073
1 30 MAIN9V 330 680
DTV5VIN2 STB5V
2 29 C2119
DTV5VIN1A MAIN9V
C2393
10V
10u
3 28
DTV5VIN1B AMUTE 220u
16V
4 27
DTV5VOUTA
A_MON_MUTE_IN
5 26 D2004 STB_RST
DTV5VOUTB STB_RST_IN MUTE
MA2J11100L
C2410 A_MON_MUTE/SP_MUTE
6 25
2.2u REF1 MUTE
PWR_SENSE_MUTE_OUT
6.3V
7 24
D2006
NC MUTE_VCC
C2402
MA2J11100L
DTV9V
0.1u 8 23
FB1 AUDIO_MUTE_IN
16V Q2033
9 22 2SB0709A0L
R2300
FB2 MUTE_PWR_SENSE_IN
4.7k 1%
MONITOROUT_MUTE
10 21
NC MONITOR_MUTE MUTE
C2400
0.1u R2094 R2095
11 20
16V SFS GND2 47k
12 19
NC REG5V_IN
R2096 R2097
47k 1M
13 18
OUT STB3.3V_OUT
C2408
14 17
GND1 Cd 16V
0.1u
15 16
Vref1 STB_RST
138 139
TP2032
SDA1B_5V
SCL1B_5V
SUB3.3V SUB5V
C2145
0.1u R2148
6.8k
16V
R2146
AD_SCL1
Q2028
B1CBHD000002
C2146
R2149
0.1u
6.8k
16V
R2147
AD_SDA1
Q2029
B1CBHD000002
140 141
61
TO 13/20
MAIN_RF_CVBS
MAIN_RF_CVBS
SCL1B_5V
SCL1B_5V
SDA1B_5V
SDA1B_5V
MONITOROUT_MUTE
MONITOROUT_MUTE
TO 5,11/20
AD_SCL1
AD_SCL1
SCL0B_3.3V
AD_SDA1
AD_SDA1
SDA0B_3.3V
TO 8/20
AG_AUDIO_XRST
AG_AUDIO_XRST
AUDIO_XRST
AG_AUDIO_MUTE
AUDIO_MUTE
D2005
AUDIO_MUTE
MA2J11100L
D2007
MA2J11100L AG_A_MON_MUTE/SP_MUTE
A_MON_MUTE/SP_MUTE
SP_MUTE
TO 3,8,19/20
STB_RST STB_RST
GENX_RST
TO 8/20
AG_SOUND_SOS AG_SOUND_SOS
SOUND_SOS
AG_RF_AFT1
AG_RF_AFT1
AFC1
AG_RF_AFT2
AFC2(NC)
FROM 8/20
AG_TV_MAIN_ON
AG_TV_MAIN_ON
TO 10/20
ADV_MCLK
ADV_MCLK
TO 5/20
AH_SRCK0 AH_SRCK0
DTV_BCLK
AH_DMIX0 AH_DMIX0
DTV_SDIN
AH_LRCK0
AH_LRCK0
DTV_LRCK
AH_DAUDIO AH_DAUDIO
DTV2_SDIN
AH_IECOUT0
AH_IECOUT0
SPDIF_IN
TO 10/20
AH_HDMI_BCLK AH_HDMI_BCLK
HDMI_BCLK
AH_HDMI_SDIN
AH_HDMI_SDIN
HDMI_SDIN
AH_HDMI_LRCK
AH_HDMI_LRCK
HDMI_LRCK
HDMI_SPDIF
HDMI_SPDIF
142 143
TH-46PZ81E
A-Board (16/20) Schematic Diagram
144