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TO P12
STB PS
+15V
VDA
TO P1
VSUS
VSUS
TO C23
VDA
SOS
UMH
UML
USH
USL
UEH
UEL
TH-37PA30E/TH-42PA30E
SS, S, SS2, SS3, SS4 and SS5-Board
Block Diagram
SS Sustain Drive
SS12
4
TP15V
2
L6703
TPVDA
1
L6704
SS11
TPVSUS
2
L6702
3
SS23
11
9
Vsus GEN.
5V
1
IC6706
IC6701
BUFFER
FET DRIVER
Q6711
8
17
3
12
8
Q6712
3
VCC
6
VCC
20
11
VDD
Q6713
7
8
12
14
1
Q6714
ENERGY
RECOVERY
IC6702
FET DRIVER
USH
6
6
14
12
8
3
VCC
VDD
11
5
4
16
14
1
Ve GEN.
IC6703
FET DRIVER
VE
INSERT
4
2
18
12
8
VCC
3
11
VDD
D6769
(RED LED)
Ve2 GEN.
15V DET
IC6704
FET DRIVER
VE2
1
VCC
VEL
3
15
5
Q6725
2
In
Ho
7
Q6745
VEL
Q6746
Lo
4
UMH
Q6701
Q6702
S2
UML
Q6705
Q6706
S3
S1
D6724
Q6721
D6764
D6729
SS-BOARD
Q6724
SOS_DET
USL
DISCHARGE
Q6756
IC6705
1/2 Vo
SUSTAIN DRIVER
D6765
SOS BLINKING TIMES : LED 9 TIMES
(RED LED)
SUSTAIN
DRIVE
L6711
TPSS1
L6714
UEH
Q6741
Q6742
TPSS1 WAVEFORM
VSUS
VSET2
VE
VE GEN.
Q6751
TPVe
Q6753
IC6711
R6774
VE
Ve
GENERATOR
S Power Switch
SS34
S34
STB-PS
1
1
PUSH
S300
POWER SWITCH
SS4
(37inch)
Sustain
connection
(Upper)
SS49
SS47A
SS45A
Panel
Sustain
Electrode
SS2
(42inch)
Sustain
connection
(Upper)
SS49
SS47
SS45
Panel
Sustain
Electrode
SS41
SS42
Panel
Sustain
Electrode
SS43
(42inch)
SS44
SS41A
SS42A
Panel
Sustain
Electrode
SS43A
(37inch)
SS44A
(42inch)
SS3
Sustain
connection
(Lower)
SS48
SS40
SS46
Panel
Sustain
Electrode
SS5
(37inch)
Sustain
connection
(Lower)
SS46A
SS48
SS40A
Panel
Sustain
Electrode
TH-37PA30E/TH-42PA30E
SS, S, SS2, SS3, SS4 and SS5-Board
Block Diagram
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