Panasonic TH-42PX20U-P Service Manual page 228

R5125
R5122
5V
Q5011
R5021
R5138
Q5016
Q5003
1
2
3
4
5
6
14
2
0
IC5006
1
AUDIO DAC
2
5
7
1
011
I/O
SEL AUDIO
1
A DAC PD
2
AUDIO MUTE 3
S_CLOCK1
SCL1
15
S_DATA1
14 SDA1
SAD2
13
VCC
16
+5V
83
R5127
Q5014
R5129
Hi=> MUTE
R5132
R5128
Q5013
R5177
Q5019
SMUTE/CSN 6
IC5007
AUDIO AMP
MCLK
BICK
+
1
SDTI AOUT L 11 2
-
LRCK
+
PDN
7
10 6
AOUT R -
VCC
8
VCC
Q5005,5009
Q5006,5007
Q5004,5008
IC5010
AVR3.3V
+3.3V
3
6
IC5005
RESET
VCC
IC5009
AVR5V
3 1
2
6
IC5008
DVI/HDMI SELECT
2
16
L
3
H
1
7
8
L
6
H
9
VCC 13
R5143
Q5017
R5144
Q5018
AMP
AMP
AMP
1
2
5
TO DG-BOARD
DG51
DV7
AMP
DVI L
Q5012 5
AMP
Q5015 DVI R
3
AUDIO MUTE
26
SUB9V
11
SUB9V
12
S_CLOCK1
SCL1 28
S_DATA1
27
SDA1
S_CLOCK0
SCL0 23
S_DATA0
SDA0 22
18 DVI Y
16 DVI PB
DVI PR
14
25
INT
SUB5V
8
SUB5V
9
TH-42PX20U-P
DV-BOARD BLOCK Diagram