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14.57. S1-Board, SS-Board, SS2-Board 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-42PHD6/TH-42PHW6
S1-BOARD, SS-BOARD, SS2-BOARD and SS3-BOARD Block Diagram
15V
TPVDA
L6715
TPSOS3
IC6701
FET DRIVER
Q6732
5
12
8
Q6733
6
Q6734
7
14
1
Q6735
IC6702
FET DRIVER
Q6701
9
12
8
Q6702
Q6744
12
8
Q6745
IC6703
FET DRIVER
IC6704
FET DRIVER
12
8
14
1
+15V
IC6705
FET DRIVER
UEL
Q6725
Q6729
2
7
UEL
Q6730
4
Q6711
UMH
S2
Q6714
Q6715
UML
S3
Q6718
USH
S1
Q6721
D6711,12
Q6722
Q6723
D6715,16
Q6724
USL
DISCHARGE
1/2 Vo
D6760
(RED LED)
L6701
L6706
UEH
VE
Q6727
INSERT
Q6728
D6764
(RED LED)
Q6731
Q6739
Q6738
TPVe
IC6709
R6770
VE
Ve
GENERATOR
SS34
1
SS42
4
1
2
SS20
SS51
SS-BOARD
SOS DET
Q6741
SS52
IC6707
TPSS1
SS21
SS53
SS54
S1
S34
Power Switch Bo
1
POW
PUSH
TO C42
+15V
VDA
VDA
Sustain C
SS2
(Upper) B
SS23
Sustain C
SS3
(Lower) B
SS22
111
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