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SS
TO P12
SS12
Sustain Drive Board
STB PS
10
TP15V
+15V
4
L6713
VDA
1
TPVDA
VDA
2
L6715
TO P11
SS11
TPVSUS
VSUS
2
VSUS
3
TO C32
SS32
TPSOS3
SOS3
9
IC6706
IC6701
BUFFER
FET DRIVER
UMH
8
15
5
12
8
6
UML
7
13
7
14
1
IC6702
FET DRIVER
USH
6
11
9
12
8
USL
5
8
12
12
8
IC6703
FET DRIVER
IC6704
FET DRIVER
Q6736
UEH
4
6
14
12
8
Q6737
14
1
IC6705
FET DRIVER
UEL
UEL
3
4
16
Q6725
2
7
UEL
4
IC6901
IC6902
BUFFER
FET DRIVER
Q6911
DSHL
14
2
18
12
8
IC6905
FET DRIVER
Q6922
DSLL
15
4
16
12
8
Q6923
IC6903
FET DRIVER
Q6917
Q6918
DMHL
16
6
14
12
8
DMLL
17
8
12
14
1
Q6919
Q6920
IC6904
SS-BOARD
SOS DET
SOS2
19
TH-50PHD6/TH-50PHW6 SS, S1, SS2 and SS3-BOARD Block Diagram
15V
Q6711
UMH
Q6732
Q6733
Q6714
S2
Q6715
Q6734
UML
Q6735
S3
Q6720
USH
S1
L6701
D6711,12
Q6701
Q6721
Q6702
Q6722
L6704
L6767
TPSS1
Q6744
Q6723
Q6745
Q6724
D6715,16
SS-BOARD
USL
SOS DET
DISCHARGE
Q6741
IC6707
1/2 Vo
D6760
(RED LED)
UEH
VE
Q6727
INSERT
Q6728
+15V
D6764
(RED LED)
Q6729
Q6730
Q6731
Q6739
TPVe
Q6738
IC6709
R6770
Ve
VE
GENERATOR
TPSVDA
TPVDA
Q6921
L6925
L6930~L6933
Q6912
Q6924
Q6913
TPSS4
Q6914
Q6915
Q6916
S1
SS34
S34
Power Switch Board
1
1
POWER SWITCH
SW61
PUSH
Sustain Connection
SS2
(Upper) Board
SS57
SS21
SS41
SS51
SS52
SS53
SS3
Sustain Connection
(Lower) Board
SS58
SS31
SS48
SS54
SS55
SS56
TO C3 BOARD
SS35
(C35)
1
Vda 75V
2
Vda 75V
4
78V
5
78V
TO C4 BOARD
SS42
(C42)
1
Vda 75V
2
Vda 75V
4
78V
5
78V
TH-50PHD6/TH-50PHW6 SS, S1, SS2 and SS3-BOARD Block Diagram
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