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1
IC6791
N0BF1FB00001
DC/DC CONV.
A40 B40 VSET VOUT VOUT TP45
SC45
TO SU-BOARD (SU45)
TP40 AB_FSIU
COM
COM
GND
GND
N.C.
N.C.
VIN
VIN
!
SC-BOARD (2/2) TNPA4183AB (42 inch) TNPA4183AE (37 inch)
Vf
16V_F
R6821 220
Q6821
2SD1263AP0LB
A39
1 B39 2
D6822 MA2J11100L TP64 R6829 100k R6825 200k
VSET:330V
A38
TP41 B38 3 4 B37 5 B36 TP44 5V_F B35 6 7 8 B34 9 B33 ZA6403 K4CD01000011 TP43 TP42
AB_FCLU
10
11
12
15V C6795 25V 220u C6791 25V 220u C6796 25V 220u VAD R6822 100k
*
L6474 G0ZZ00002183
VF5V
R6823 100k
D6824 D6828 MAZ83300ML MAZ83300ML D6827 MAZ83300ML D6823 MA2J11100L
TPVSET
R6833 75k 5V
VSET DET OPERATES AT 214V OR LESS
SOS7_SC2
1
2
3
4
5
6
9
A37
A36 R6830 100k R6826 200k R6834 75k R6839 4.7k R6835 75k D6826 MA2J11100L D6619 B0HCKS000002 R6836 75k
AB_FCLKU
+
+
K
REF
+ D6806 B0HCKS000002
A35
AB_PROU
Q6822
15V 2SD1263AP0LB R6795 100k
A34
+
R6827 200k
C6822 400V 47u
A33
R6824 3.9k
C6823 50V 0.01u R6788 470k
R6796 100k
R6797 16.9k
A32
Q6824
2SD0601A0L R6837 56k A30 A31
B32 ZA6402 K4CD01000011 B31 ZA6401 K4CD01000011
FLOATING GND COLD
VSUS
C6804 250V 10u + C6801 250V 47u
VSUS
IC6821
C0DBEMC00043 VSET Gen.
R6831 15k
R6828 4.7k
A
+
B30 D6825 MAZ83300ML A29 B29 A28 B28 A27 TP50
IC6803
C5HABZZ00165
Souce/OCL
R6801 8.2
POWER OSC
D6841 B0HCKS000002 R6844 100 + Drain 10 V2 9 V1 S5 1 S4 2 S3 3 C6841 250V 47u R6841 15k R6812 240k +
Q6841
2SD1263AP0LB D6842 MA2J11100L
VSCN
VSCN:145V
R6846 62k R6849 68k 16V_F
B27 A26
9 8 TP49
GND
B26 A25 7 B25 TP54 6 A24 B24 A23 4 B23 A22 B22 A21 B21 A20 B20 A19 B19 A18 B18 A17 B17 A16 B16 A15 B15 A14 B14 TP58 1 TP57 TP56 3 2 TP55 5
Vcc
Z/C
F/B
AB_PROD
Vin
Vf(High Voltage Floting GND)
R6842 43k
TPVSCN
D6843 MA2J11100L R6847 62k R6850 68k *R6815 270 R6860 8.2 + C6842 160V 100u D6859 B0ECHP000003 REF R6848 10k K
1
2
3
4
5
7
9
TPVSET2:14V
TP53
VSET2
TP48
AB_FCLKD
R6802 10k
+ C6814 25V 220u R6832 4.7
*
C6803 2kV 220p
7 P1 6 P2
S2 4 S1 5
C6813 160V 100u
Q6842
2SC1473AEA R6813 10k C6811 25V 1u R6818 470k REF 3 R6843 62k R6845 62k C6845 50V 0.01u REF R6789 47k R6851 18k
TP47
AB_FCLD
C6805 50V 330p
R6808 2.7k
*
*
T6602
ETS25AZ169AD D6802 B0BC01000044
*
D6804 B0ECHP000003
TP46
D6809 B0HCMM000014
K
2
R6806 1.5
R6807 1.5
R6840 1.5
PC6801
B3PBA0000223 A 4 1
C0DBEMC00043
R6814 5.6k VAD
1
K
R6809 27k
VR6600 1k
IC6841
VSCN Gen.
*R6816 11.5k
AB_FSID
C6812 25V 4.7u
R6852 2.7k
R6817 2.49k
A
A
SC46
C6815 50V 1000p
R6891 18k 3 2
R6810 1k
D6805 MAZ82400ML
R6811 10k
IC6801
VAD Gen.
L6472 G0ZZ00002183
VAD:-105V TPVAD
IC6802
C0DBEMC00043 VSET2 Gen.
TO SD-BOARD (SD46)
A40 B40 A39 B39 A38 B38 A37 B37 A36
C0DBEMC00043
15V SC30 1 2 VSCN_F 3 R6709 100 SOS7_SC2 4 5 D6860 D1FK70-7063
TPSC1
L6690 G0ZZ00002183 R6696 2.2
A13 B13 A12 B12 VSCN_F B35 B36
A35
15V D6497 B0ECHP000003 R6768 1 D6765 B0ECHP000003 D6604 MA2J11100L D6766 B0ECHP000003 D6631 MAZ82400ML D6632 MAZ82400ML C6603 630V 1000p R6609 D6606 B0HCMM000014 1k C6604 630V 1000p C6620 630V 2200p C6621 630V 2200p
6 R6853 100 7 8 9 10 VF_GND
C6691 160V 100u
(Vscn volatage)
A11 B11 A10 B10 A9 B9 A8 B8 A7 B7 A6 B6 B29 B30 B31 B32 B33 B34
A34
A33
2
INIT-R Q6602
2SD0601AQL R6607 6.81k
NC
R6608 1k D
VSET SEPARATE
9
HO
8
C6755 25V 4.7u
D6691 MAZ82000ML C6694 25V 1u R6692 4.7k
D6692 MAZ82000ML D6690 MA2J11100L
A31
NC 10
R6766 75 C6756 25V 4.7u
VB
7 R6638 1
Q6601
R6612 47 R6605 1.8k D6605 MAZ80510LL G S B1DFES000003
A30
Q6690
2SA19610QAHW 15V_F
VCC
A29
C0ZBZ0001324
11
VS
6 D6764 B0HCKS000002
IC6752
3
C6752 25V 1u
HIN 12
NC
5
Q6603
2SB0709ASL C6753 25V 4.7u
SC31 1 2
5V
Vfo(Vscn Out)
R6610 100k
D6607 MA2J11100L
R6867 3.9k
D6820 MA2J11100L
C6695 R6694 50V 27k 1000p
R6693 82k
A5 B5 A4 B4 A3 B3 A2 B2 A1 B1 B24 B25 B26 B27 B28
A28
A27
NC 13
NC
4
FET DRIVER
PC6861
B3PBA0000223 3 2 SOS7_SC2 R6869 4.7k D6862 MA2J11100L
IC6861
C0BBBA000022
4
1
4
LIN 14
R6769 75 D6670 R6639 1 R6761 10 D6761 B0JCME000037 M1FS4-5063 B0JCME000037
R6861 51k
R6855 10k
R6857 120k
A26
3 R6680 2SK399500L 10 R6621 220
VCC2
3
Q6621
Q6622
2SK399500L R6622 220
*D6621
37inch: B1JADP000003 42inch: B0HDSM000005
*D6623
37inch: B1JADP000003 42inch: B0HDSM000005
*D6624
37inch: B1JADP000003 42inch: B0HDSM000005 R6623 33k
* 2W
VSET
4 5 6
R6862 51k 1 2 - + + 8 7 6 R6865 3.3k R6863 56k
R6695 120k
Q6805
2SC3063000RL
A25
GND 15
Vcom
Q6806
2SC1473AEA
A24
2 D6763 B0ECHP000003
A23 D6837 MA2J11100L B23
NC 16 LO 1 R6762 47k R6681 10
R6868 22k
3 4
R6856
COLD
C6605 630V 4700p C6606 630V 4700p C6641 250V 0.22u R6658 100
5 R6866 620 C6862 25V 1u
56
*SC41
B22
A22
5
6
m
B1ADNF000006
COMPARATOR
R6659 220k C6863 50V 0.01u D6861 MAZ80510LL
R6864 6.8k
Q6642 Q6781
B1ABNF000006 R6781 47 R6642 33 2SK399500L
Q6643
2SK399500L R6643 33
Q6644
2SK399500L R6644 33
Q6646
2SK399500L R6646 33
Q6647
2SK399500L R6647 33
Q6648
2SK399500L R6648 33
D6838 B0BC027A0234
D6836 MAZ81500ML
C6832 50V 3900p
A20 VF_GND B20 A19 B19
R6660 220k
D6644 B0HCKS000002
R6782 47k 16V_F R6777 150 D6773 B0HCKS000002 D1FK70-7063 D6643 B0JCME000037 D6642 B0HCKS000002
D6641 B0HCKS000002
Vscn DET OPERATES AT 160V OR MORE AND 125V OR LESS.
A18 R6886 220k B18 A17 B17 R6887 220k A16 TP59 B16 A15 TP60 B15 A14 TP61 B14 A13 R6871 39k TP62 B13 A12 TP63 B12 A11 B11 A10 R6875 3.3k R6873 39k B10 A9
Q6782
B1ADNF000006
7
SG73P2A 5V R6877 3.9k D6821 MA2J11100L
16V_F
R6888 220k
C6773 25V 4.7u
1
Vcc VB
8 C6775 25V 4.7u 7 HO
3
D6661 MA2J11100L
2
C6661 630V 1000p
C6662 630V 1000p D6662 MAZ83300ML D6664 R6664 MAZ83300ML 2.2k D6663 MAZ83300ML
PC6871
1 C6671 25V 4.7u 2 R6775 100 3 GND VS Vcc VB SOS7_SC2 IN HO 7 8 B3PBA0000223
IC6871
C0BBBA000022
4
1
8
2
IN
Q6671
B1DFDR000001
Q6672
B1DFDR000001 RJK6026DPE-00-J3
VR6602 5k 6
R6663 10k 2
R6879 4.7k
R6872 39k 1 2 - + + 8 7 6 5 R6876 R6793 100
3
GND VS
Q6662
2SD0601A0L
R6662 3k
6
Q6679
B1ABNF000006 R6673 47
3
1 R6665 47 G
D
D 4 S LO NC 5 R6671 47
R6674 47 G
D
D6872 R6878 MA2J11100L 22k
3 4
4
LO NC
5
INIT-F
R6661 100k D6665 MAZ80510LL R6667 4.7k D6666 MA2J11100L R6666 100k
G
S
S
COLD FLOATING GND
Q6791
2SD0601A0L 5V_F
B9 A8 B8
IC6772
C0ZBZ0001325
9
D6667 MA2J11100L
IC6671
C0ZBZ0001325 *Q6661
B1DEET000002
COMPARATOR
R6672 47k VAD C6873 50V 0.01u D6871 MAZ80510LL
560 C6872 25V 1u C6871 16V 1u
R6874 6.8k
R6791 D6791 1k MAZ82000ML R6792 10k
B7 A6 B6 A5 TP51 B5 A4 B4 A3 B3 A2
FET DRIVER
R6668 4.7k
Q6665
B1ABNF000006
FET DRIVER
Q6680
+ B1ADNF000006
C6806 160V 100u
10
B2 A1 B1
*SC42
TO SD-BOARD (SD42)
TH-37/42PV70F/P, TH-37/42PX70B/E SC-Board (2 of 2) Schematic Diagram
TH-37/42PV70F/P, TH-37/42PX70B/E SC-Board (2 of 2) Schematic Diagram
10
11
12
13
14
15
16
17
18
Vf
VAD SEPARATE
VAD CONT
VAD DET 91V OR MORE OPERATES AT AND 120V OR LESS
F16V DET OPERATES AT 21V OR MORE
VF5V
A7
Vf(High Voltage Floting GND)
Q6762
D6671 B0JCME000037
FLOATING GND
C6861 16V 1u
D6839 B0ECHP000003
D6830 MAZ80560HL
TO SU-BOARD (SU41)
A21 B21
(Vscn volatage)
R6765 1
A32
Vfo(Vscn Out)
+