Panasonic TH-42PX20U-P Service Manual page 335

14.75. SS, S, SS2 and SS3-Board Block Diagram
SS
TO P12
SS12
Sustain Drive Board
STB PS 10
TP15V
+15V 4
L6713
VDA 1
VDA 2
TO P11
SS11
TPVSUS
VSUS 2
VSUS 3
TO C32
SS32
VDA 12
SOS 9
IC6706
BUFFER
UMH
8 15
UML 7 13
USH 6 11
USL 5 8 12
UEH 4 6 14
UEL 3 4 16
TH-42PX20U-P
SS, S, SS2 and SS3-BOARD BLOCK Diagram
15V
TPVDA
L6715
TPSOS3
IC6701
FET DRIVER
Q6732
5 12 8
Q6733
6
Q6734
7 14 1
Q6735
IC6702
USH
FET DRIVER
Q6701
9 12 8
Q6702
Q6744
12 8
Q6745
IC6703
FET DRIVER
IC6704
FET DRIVER
VE
INSERT
12 8
+15V
IC6705
FET DRIVER
UEL
Q6725 Q6729
2 7
UEL
Q6730
4
Q6711
UMH
S2
Q6714
Q6715
UML
S3
Q6718
S1
Q6721
D6711,12
Q6722
Q6723
D6715,16
Q6724
SS-BOARD
USL
SOS DET
DISCHARGE
Q6741
IC6707
1/2 Vo
D6760
(RED LED)
L6701
L6706
UEH
Q6727
Q6728
D6764
(RED LED)
Q6731
TPVe
Q6739
Q6738
IC6709
R6770 VE
Ve
GENERATOR
SS34 S34
1 1
TO C42
SS42
+15V
4
VDA
1
2 VDA
SS2
SS20 SS23
SS51
SS52
TPSS1
SS3
SS21 SS22
SS53
SS54
S
Power Switch Board
POWER SWITC
S300
PUSH
Sustain Connection
(Upper) Board
Sustain Connection
(Lower) Board
137