Samsung Msys5100P Service Manual page 132

11-4 HVPS Circuit Diagram
THVPWM
*THVEA
THVREAD
Samsung Electronics
+18V
0.8
2
R125
VR1
100
10K 3
1
R127
2.2K R130
R115
75K
1
1.8K
2
R116 R120
56K 33K
3
Q6
KSA708_Y
R94
10K 3
2
R126 C2 R67
1 4.7K 33nF 12.1K
Q8
1%
KSC1008-Y
R70
33K
+18V
+24VS
+18V
C13
10nF
R117
1
GND24 U50
56K
R72
LM324N
4
33K
R69
3
3
33K
1
2
D12
11
1N4003T/R
2
VR2
GND24
C20 3 10K
2.2nF 1
D6 C29
1N4148 4.7nF
R118
47K
+24VS
R84
470K
D1
R87
1%
1N4148
2.2K
U50
LM324N ZD4 ZD5
UZ5.6BCB UZ7.5BM
5 D3
7
6
1N4148
R82
C31 C14
D2
R85
2.2nF 78.7K
1N4148
470pF
680K
1%
+18V
GND24
R60 R61
+18V
56 56
1/2W 1/2W
R68
1M
R88 1/2W
2.2K
1
2
VR3
R75 R63
20Kohm
100K 1K
3
1 2
Q5
3
KSA708_Y
C4
33nF
+18V 1
Q2
1N4148 KSD526
D4
R105
75K
1%
1N4148
D5
GND24
+18V
Q4
R80
KSA708_Y
21.5K
1%
2
3
2
1
Q7
KSC1008-Y
C8 R79
10nF 309K R107
1% 17.4K
500v
1%
GND24
ED NO.
C16
C15
470pF
470pF
T3
6KV 6KV
1 10
2
C19
100pF
R86 R90
6KV
D9
2.2K 390 D8
4
SHV06
SHV06
C3
5 6
33nF
C17
1750
470pF
2
6KV
1 Q1
KSD526
3 R92
GND24
30M
HS1
HEATSINK_TR BR
GND24
D13
C9
T1
470pF ESJA57-04
3KV
1 10
2
C22 C10 R73
68p 470pF 30M
3KV
2KV BR
D14
4
ESJA57-04
5 6
2
EE19-16
3
CONFIDENTIAL
ED. DATE 1
Wed, APR, 14, 1999
SIGN
ARP.
Changed by:
CHK:
YUNIRI
ENG. YUNIRI
DRW. YUNIRI
REV: 2.9 Drawing Number:
Schematic Diagrams
REVISION RECORD CHANGE PART
D11
D10
SHV06
SHV06
C18 R103
470pF 100K
THV1
6KV 1/2W
$P
ML-80
R93
200M
THV
BR
SAMSUNG ELECTRONICS
Size:
TITLE:
A3
APOLLO HVPS
Page:
1
11-9