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TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
15.54. SS, SS2 and SS3-Board Block Diagram
SS
Sustain Drive Board
TO P12
SS12
STB 12V
8
STB PS
10
TP15V
+15V
4
L6180
Vda75V
1
Vda75V
2
TO P11
SS11
TPVSUS
VSUS
2
VSUS
3
TO C44
SS44
SOS9
9
IC6060
BUFFER
UMH
8
15
5
UML
7
13
7
USH
6
11
9
USL
5
8
12
UEH
4
6
14
3
4
16
UEL
IC6240
BUFFER
DSHL
14
2
18
DSLL
15
4
16
DMHL
16
6
14
DMLL
17
8
12
DMHR
12
11
9
5V
5V
1
TPSOS2
D6066
L6181
19
SOS2
TH-50PHD8BK/BS/EK/ES
SS, SS2 and SS3-Board Block Diagram
15V
TPVDA
L6239
L6182
SUS DRIVER 2
SOS BLINKING TIMES:
LED 9 TIMES
TPSOS9
IC6100
FET
FET DRIVER
Q6120
Q6100
UMH
12
8
Q6121
Q6102
S2
6
Q6140
UML
Q6160
14
1
Q6161
S3
Q6142
FET
IC6000
FET DRIVER
USH
S1
D6000,01
L6010,12
Q6010
Q6000
12
8
Q6011
Q6001
FET
FET
TPSS1
Q6030
Q6020
12
8
Q6031
D6020,21
L6030,33
SS-BOARD
IC6020
USL
SOS DET
FET DRIVER
DISCHARGE
Q6060
IC6061
1/2 Vo
D6063
IC6250
(GREEN LED)
FET DRIVER
VE
Q6250
INSERT
12
8
Q6251
FET
14
1
IC6251
FET DRIVER
UEL
Q6261
2
7
Q6259
UEL
4
Q6260
Q6256
Q6267
TPVe
IC6252
VR6250
Ve
VE
GENERATOR
IC6200
FET DRIVER
FET
Q6210
81V
75V
12
8
Q6200
Q6240
Q6211
IC6201
FET DRIVER
TPVDL
Q6212
Q6202
12
8
Q6213
FET
IC6220
FET
FET DRIVER
Q6230
Q6221
Q6231
12
8
14
1
TPVDR
Q6223
FET
IC6221
Q6232
Q6225
Q6233
FET DRIVER
FET
12
8
IC6062
SOS DET
SS34
TO S34
STB 12V
3
1
STB PS
SS2
Sustain Connection
(Up) Board
SS20
SS23
SS51
Panel
Sustain
Electrode
SS52
SS3
Sustain Connection
(Down) Board
SS21
SS22
SS53
Panel
Sustain
Electrode
SS54
TO
SS35
C35
1
Vda 75V
2
Vda 75V
4
VDAL(78V-L)
5
VDAL(78V-L)
7
VDAL(78V-R)
8
VDAL(78V-R)
TO
SS42
C42
1
Vda 75V
2
Vda 75V
4
VDAL(78V-L)
5
VDAL(78V-L)
7
VDAL(78V-R)
8
VDAL(78V-R)
SUS DRIVER 1
SOS BLINKING TIMES:
LED 2 TIMES
116
Panel
Sustain
SS55
Electrode
Panel
Sustain
SS56
Electrode
TH-50PHD8BK/BS/EK/ES
SS, SS2 and SS3-Board Block Diagram
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