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14.60. SS-Board Block Diagram
SS Sustain Drive
TO P12
SS12
STB PS
4
STB12V
5
TP15V
+15V
2
TPVDA
VDA
1
TO P11
SS11
TPVSUS
VSUS
2
VSUS
3
TO C23
SS23
VDA
12
SOS
9
5V
1
UMH
8
7
UML
USH
6
USL
5
UEH
4
UEL
3
TH-37/42PE55E
SS-Board Block Diagram
L6003
L6004
L6002
Vsus GEN.
IC6006
IC6001
BUFFER
FET DRIVER
17
3
12
8
3
VCC
6
VCC
20
11
VDD
8
12
14
1
ENERGY
RECOVERY
IC6002
FET DRIVER
6
14
12
8
3
VCC
11
VDD
4
16
14
1
Ve GEN.
IC6003
FET DRIVER
2
18
12
8
3
VCC
11
VDD
Ve2 GEN.
IC6004
FET DRIVER
1
VCC
15
5
Q6025
2
In
Ho
7
Lo
4
UMH
Q6001
Q6011
Q6002
Q6012
S2
Q6003
UML
Q6006
Q6013
Q6007
Q6014
S3
Q6008
S1
D6024
USH
Q6021
D6029
Q6024
USL
DISCHARGE
1/2 Vo
D6065
(GREEN LED)
SUSTAIN
DRIVE
UEH
VE
INSERT
Q6041
Q6042
VE2
VEL
Q6045
VEL
Q6046
VE GEN.
Q6051
TPVe
Q6052
IC6011
R6074
VE
Ve
GENERATOR
D6064
SS-BOARD
SOS_DET
Q6056
IC6005
SUSTAIN DRIVER
SOS BLINKING TIMES
LED 8 TIMES
L6011
TPSS1
L6015
TPSS1 WAVEFORM
VSUS
VSET2
VE
SS34
1
STB-PS
3
STB12V
SS41
SS42
Pan
Sus
Elec
SS43
(42i
SS44
SS41A
SS42A
Pan
Sus
Elec
SS43A
(37i
SS44A
126
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