Inverter Board Schematics - Envision EN9110 Service Manual

9.3 Inverter Board SCHEMATICS

1
F1
3A/32V
C1 C2
+ +
150uF 150uF
D
CN1
Vin
Vin
ON/OFF
ADJ
DTC144WKA
GND
C8
105/16V
GND
R7
33L8009 12EH
3K
C
R8
3.9K
R38
NC
C12 C13
R19
47K
R16 R18 R20
15K 15K 15K
B
R17
3.9K
R39
2K
A
1
2
R1
3.9K
C3
Q3
.1uF
Q2
SST3904
DTA144WKA Q4
Q1
SST3906
R10
470R
R9
C9
4.7K
105/50V
16 15 14 13 12 11 10 9
C17
BA9741
104/16V
R21 IC1
47K 1 2 3 4 5 6 7 8
R27
R24 3.9K
C14
+ NC R25
2.2uF/16V
R22
15K C16
R26
470R
C15
R23
4.7K
105/50V
2
3 4
L1
Q5
150uH
SI4431
R3
3.9K
D1
R2
SR24
220
C4
1uF/25V
Q8
L2
SI4431
150uH
R29
3.9k
D2
SR24
Q9
SST3904
R28
220
C18
Q10
SST3906
1uF/25V
3 4
37
5
R5 R6
D3
1K 1K T1
11V
5
Q6
2SC4762
3
C5
4
184/250V
2
R4 6
Q7
12K
1
2SC4762
EPC19
D7
R11
51K
RLS4148
C11
R12
C10
105/50V
12K
474/25V
R31 R32
1K 1K
Q11
D4
11V
C19
2SC4762
184/250V
R30
Q12
12K
2SC4762
D8
R34
51K
RLS4148
C24
R35
C23
105/50V
12K
474/25V
Title
TOP VICTORY ELECTRONICAL CO.,LTD
SAMSUNG 19.1" PC LCD INVERTER
Size Number
B
Date: 15-Oct-2002
File: F:\print\MyDesign.ddb
5
6
C6 CN2
9 D
1 H.V
2 L.V
22pF/3KV
SM02B-BHSS
C7 CN3
1 H.V
2 L.V
22pF/3KV
SM02B-BHSS
R15
7
1K(1206)
1 2
D5 BAV99
R14
C
510
R13
510
T2 C20 CN4
5 9
1 H.V
2 L.V
22pF/3KV
SM02B-BHSS
3
B
C21 CN5
4
1 H.V
2 L.V
22pF/3KV
2
SM02B-BHSS
6
R33
1 7
EPC19
1K(1206)
1 2
D6
BAV99
R37
510
R36
510
A
Revision
INPC9425A2 A1
Sheet of 1 1
Drawn By: James_Quhongca
6