Panasonic TH-42PX20U-P Service Manual page 155

DV-BOARD TNPA2996AC (2/3)
!
5V
1
3.3V
2
R5069
560
J0HABB000004
1
R5053 R5066
R5070
0
AnR_Pr 220
270
R5062 Q5004
75
2SB0709A0L
R5071
560
J0HABB000004
1
R5067
R5054 R5072
0 220
270
AnG_Y
Q5005
R5063
2SB0709A0L R5073
75
560
J0HABB000004
1
R5055 R5068 R5074
0 220
AnB_Pb 270
R5064
Q5006
75
2SB0709A0L
J0HABB000004
1
RX_SCK
3
J0HABB000004
RX_WS
4
1
RX_SD0#
5
J0HABB000004
1
J0HABB000004
RX_MCLK
6
1
7
8
9
10
JS015
R5077
11 UC_SCL
JS016
R5078
UC_SDA
12
13
14
L5022
R5075
J0HABB000004
22
1 3
2 4
15
TH-42PX20U-P
DV-BOARD (2 of 3) Schematic Diagram
8 9
AUDIO IN
JK5002
K2HA204B0097
L5031
L
EXCCL3225U1
R
C5074
C5075 C5076
16V 16V 6.3V
47u
1u 0.1u
R5086
560
L5024
R5083
Q5008
220
2SB0709A0L
3
2 4
R5087
560
5V
L5025
R5084
Q5009
220
2SB0709A0L
3
2 4
R5085
560
L5026
R5082
Q5007
220
2SB0709A0L
3 L5034
EXCCL3225U1
2 4
R5090
R5088 R5089
0
L5030 0 0
3
2 4
L5027
5V
3
2 4
L5028
RX_MCLK
RX_SCK
3
RX_SD0#
2 4
RX_WS
R5093
L5029
0
R5091
LOW:MUTE
33
3 VIH > 2.2V
R5092
VIL < 0.8V
2 4 0
R5094
0
JS019
22
22
SCL1
SDA1
L5032
9V
ELJPA2R2MF
L5033
9V 5V 5V
ELJPA2R2MF
C5077
0.1u
TP027
10 11
C5081
L
TP05 16V R5104
4.7u
330
R5097
TP06 180k
D5014
MAZ31100ML
D5015
C5082 R
MAZ31100ML
16V
R5098
4.7u
180k
C5095
16V
22u
R5105
330
R5172
0
R5173
0
L5037
ELJPA1R0MF
C5091
C5083 C5089
AUDIO DAC 16V 16V 16V
47u
0.1u 0.1u L
IC5006
C0FBBK000038
1 16
MCLK DZFL
2 15
BICK DZFR IC5007
3 14
SDTI VDD
BA15218FDXE2
4 13
LRCK VSS
5 12
PDN VCOM
C5090 R5102
AMP
6 11 C5084
10k
SMUTE/CSN AOUTL 16V
16V
0.1u
7 10
ACKS/CCLK AOUTR 10u
8 9
DIF0/CDTI P/S
C5092 C5093
C5085
16V 50V
16V 4.7u R5103
47u 0.01u
10k
C5086
16V 4.7u
R
C5087 R5107
16V 4.7u
C5088
16V 4.7u
C5078
16V 16V
0.1u
DV7
TO
DG-BOARD
(DG51)
12
DVI or HDMI
AUDIO SELECT
IC5008
R5126 9V
C1AB00000735 330
C5104
16V
4.7u
16 1
IN1A IN1B
Q5012
C5094 R5133
15 2 2SD0601A0L
50V GND1 SW1 1k
0.01u R5119
14 3 1.2k
IN2B OUT1
Y
13 4
VCC GND2 R5120
C5098 DV L A
1.2k
50V
12 HD H B 5
SW2 OUT2 R5130
0.01u
330
11 6
IN2A OUT3
C5097
10 7 R5121
GND3 SW3 Q5015
50V
1.2k R5135
0.01u
2SD0601A0L
9 8
IN3B IN3A 1k
C5105
16V
4.7u
R5117
1k
TP029
R5124
0
Q5014
R5127
2SB0709A0L
0
Hi=> MUTE
R5125
R5129
47k
10k
R5132
10k
Q5011
R5128
2SD0601A0L
Q5013
R5122
10k
2SD0601A0L
R5112 10k
R5115
22k
39k R5123
47k
R5109
R5113
33k 22k
R5118
C5099 C5101
50V 50V 100
180p
33p
L
-
+
+
-
R
C5102 C5103
16V
50V
C5100 0.01u 47u
R5110 50V
22k 33p
33k
R5116
100
C5096
R5111 R5114
50V
22k 39k
180p
13 14
21
R5136
L_OUT
JS017
68
R5137
JS018
68 R_OUT
SEL_AUDIO
22
23
24
A_DAC_PD#
25
Low=>MUTE
26
TP030
HPD for MUTE
Hi=>MUTE
TP031
Q5019
2SD0601A0L
Q5016
R5177
2SD0601A0L
22k
R5138
HDMI A MUTE from MPU
10k
C5106
R5139 R5148
16V
1k 470
10u
NP
L
C5109
R5146
50V
47k
2700p
R5143
330
Q5017
2SD0601A0L
R5141
10k
Q5018
2SD0601A0L
R5144
R5140 330 R5147
1k 470
NP
C5107 C5108 R
R5145
16V
50V
10u 47k
2700p
27
28
29
30
31
32
TH-42PX20U-P
DV-BOARD (2 of 3) Schematic Diagram
15