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FOR FACTORY USE
6 5 3 1
SC31
COLD
FLOATING GND
SC SCAN DRIVE
15V
IC6791
DC/DC CONV.
VIN
GND
VSET +16V_F VOUT
COM
TPSC1 SIGNAL WAVE
VSUS VAD VAD VSET2 D6619 FSIU FCLU D6721 3 PROU
COM COM
TO P2
Vsus Vsus
SC2
1 2
VSUS 189V+7V,-6V Vad 105V
VSCN
TPVSUS
15V_F
SC 45
1 3 5 7 8 Vf+5V
9
IC6724
+5V
+5V_F 1 AVR
+5V
IC6725
+5V_F
AVR 3 1
+5V
FSIU FCLU FCLKU PROU Vf+5V Vf+5V
FCLKU
2
2
+5V
PC6701
OC1
IC6721
VSET VCC FCLU FCLD FCLKU FCLKD
TO D20
+5V
SC 20
30
IC6561,6562
+5V
SC41 Q6821
A40 B40
OC1 R6466 R6467 R6468
BUFFER
VCC OC1 D6466
PHOTO COUPLER
R6465 CLK
BUFFER
CLK
Vf
TPVSET
A36 B36
Vf Vf+5V Vf+5V Vf
OC1 29 CPH2 CLK SIU SID 28 26 25 23 BUFFER
VSET Gen.
GND CLK SIU SID SCSU OC2 SID OC2 SIU +15V
(+330V)
Q6822
A35 B35 A34 B34 A33 B33
PHOTO COUPLER
SIU SID
VCC
FSIU FSID
IC6821
K REF
BUFFER
PROU PROD
A11 B11 A10 B10
Vf Vscn
SCSU 22 OC2 20
Vsus Gen.
PC6702
Q6401-Q6403
OUTPUT FET D
G
A
GND
(+14V)
A9 A8
B9 B8
Vscn Vfo
CPH1 19
CPH1 CPH2
IC6501
Q6501,Q6502 Q6521,Q6522
VCC HIN LIN VCC2 HO
TPVSET2
IC6722
D6703 D6478
R6815
Vfo
A1 B1
CSL CSH CML CMH SS_DRV_RST
9
BUFFER
8 6 5 11
CSH CML CMH
FET DRIVER
LO
Q6421-Q6423
OUTPUT FET D
G S
Q6742,Q6743
OC2
A
PHOTO COUPLER
Q6601
OUTPUT FET
D
IC6802
VSET SEPARATE VSET2 GENE
+5V
VCC
2G
SOS6_SC1 SOS7_SC2
16 15
ENERGY RECOVERY
+15V L6401 L6403 CPH1 CPH2 CPH1
IC6752
VCC HO HIN LIN
Q6602
G S
IC6521
Q6531,Q6532 Q6551,Q6552
VCC HIN LIN +15V HO
Q6441,Q6442
OUTPUT FET D
G S
Q6621
OUTPUT FET
D
FET DRIVER
LO GND
REF
CSL
PC6704
K
CEL
13
CEL
S
Q6642-Q6644 Q6646-Q6648
VCC2 L6411 L6413
Q6762
G S
VAD SEPARATE
OUTPUT FET
D
FET DRIVER
LO
Q6451
OUTPUT FET D
G S
IC6772
Q6781,Q6782
G
S
SC 46
FSID FCLD 1 3 5 7 8
9
FSID FCLD FCLKD PROD Vf+5V Vf+5V
+15V +15V +15V
3 2 1
IC6771 PC6705
CEL 2 AVR 1 +5V GND 3
VCC +16V_F IN GND
HO
TP15V
+5V IC6773
IN_B IN_A OUT_Y OUT_Y
FET DRIVER
LO
VAD SLOPE
2
FCLKD PROD
Q6661
1
Q6662
3
OUTPUT FET
D
IC6774
IN_A IN_B
VCC
AND
AND
VR6602
IC6581
Q6581 COMPARATOR
D6585
SCSU D6583 LED(G)
PHOTO COUPLER
VAD CONST
Q6665
G
S
IC6671
Q6679,Q6680 Q6671,Q6672
OUTPUT FET VCC IN GND Vf
SC42
B40 A40
COLD
FLOATING GND
IC6841
VSCN Gen.
K REF
Vfo
TPSOS6
ENERGY RECOVERY SOS DET LED BLINKING : 6 TIMES
IC6803
POWER OSC
VCC 4 VSUS
FET DRIVER
D
B33 A33
Vfo Vscn Vscn Vf
T6602
D6806 VSET
+
Q6841 Q6842
A
LO
G
S
B32 A32 B31 A31
TPVSCN
(+145V) D6859 D6860 R6696 Vfo
B30 A30
TPSOS7
+5V
IC6471
AND GATE
SS_DRV_RST 5 VCC IN_B IN_A 1
3
GND Z/C
1 VSUS D6841
TPSC1
R6697
Vscn
B8 B7 A8 A7 A6 A5
Vf Vf+5V Vf+5V Vf
5
S
VIN D
7 D6804
+
B6 B5
D6480 4 OUT_Y 2
F/B 2
9
TPVAD
(Vad 105V)
K
REF
3
SC FLOATING PART SOS DET LED BLINKING : 7 TIMES
PC6801
D6805
A
Vf
B1 A1
VR6600 1
2
PHOTO COUPLER
R6861 R6862 R6863
IC6801 PC6480
+5V_F DET COMPARATOR
VAD GENE FOR
IC6471
+5V_F
SC30
USE
Vscn
PHOTO COUPLER
Vscn DET
OPERATES AT 160V OR MORE AND 125V OR LESS. 15V_F
10 8
Q6805,Q6806
D6690 D6839 D6861
4
PC6861
D6862
IC6861
COMPARATOR
Vscn(VAD+140V)
D6836-D6838
7 6
Q6690
OFF SET
CPH1
VAD SOS7_SC
PHOTO COUPLER
PC6871
D6872
IC6871
COMPARATOR
Vad( 105V) 16V_F VSET
VAD VDA DET 91VOR MORE OPERATES AT 120V OR LESS AND D6871 D6791 +16V_F D2826 D6825
R6833 R6834 R6835 R6836
3
+15V
1
PHOTO COUPLER
Q6824 VSETSOS DET
+15V
Q6791
TH-37/42PV70F/P, TH-37/42PX70B/E SC-Board Block Diagram
TH-37/42PV70F/P, TH-37/42PX70B/E SC-Board Block Diagram