Panasonic TH-42PX20U-P Service Manual page 194

DC187V
C923
R922
0.01u
220k
400V
DC400V
2W
R923
10
D925 D921
L920
B0HCMM000001 G0ZZ00001937 B0EAKT000018
400V
* *
*
4 5 400V
cc
D
tartup
R924
L922
t Peak
22
C921
EXCELDR35V
ent
1500p
#
2kV
1/2W
e
GND
3
HOT
D922
MAZ31000ML
LIVE CIRCUIT
R940
6.8k
IC921
B3PAA0000261
JS9
JS10
!
C902
250V
0.22u
JS11
JS12
HOT
COLD
5
66
!
T920
ETS29AK7E6AD
=
L972 D971
18 P2
0 B0HAPM000012
*
17 NC S3 2
16 PT S4 3
C970
15
L970
NC
400Vp
EXCELSA24T
-140Vp
14 P1 S1A 5
*
-140Vp
13 NC S1B 6
FMLG12SLF118
12 NC S2A 7
11 V2 S2B 8
10 V1
!
C914
470p
COLD
!
4 1
R971
470
2
3
!
LF904
CF901
G0B123K00001
ERZV10V621P2
C972
1kV
330p
GT GT
C973
25V
1000u
1kV
330p
=
* *
D970
C971
25V
3300u
TP979
R970
560
C975
R972 50V
100
0.047u
C974
R976
2200p
2.2k
R974
16.9k
1%
R973
1k
R975
REF_2.5V
2.32k
1%
IC970
AN1431M-E1
ERROR DET
T8AH 250V
!
F901
K5Y802B00001
!
!
C901
!
R901 250V
=
1M 1u
F900
!
K5Y802B00001
T8AH 250V
S901
!
J0LT00000009
CF902
!
ERZVG7Z361
TH-42PX20U-P
PF-BOARD Schematic Diagram
6
TP977
10u
L973
TP978
L971
10u
TO
PA-BOARD
(PA10)
PF10
1
NR_20.5V
2
NR_20.5V
3
GND
4
GND
5
NR_14V
6
GND
7
STAND-BY 5V
8
GND
9
PF_AC_ON/OFF
10
GND
N
AC
4
NC
3
1
AC
LIVE PF1
7
GND
AC CODE
8