Sharp AM-900 Service Manual page 18

AM-900U
3. High voltage power check
3.1. General
Note: Since the parts of this PWB cannot be supplied, change it as a unit.
CAUTION
DO NOT TOUCH!
(VR51)
D3
VR1
CN3
C1
J5
R1
D8
D10
CN1
VR51
D1
D58
J1
J2
Q52
QJ005
B51
CAUTION HIGH VOLTAGE AREA MAX. 4000V
R103
R80
R81
Q34
D42
R42
D41
Q33
R41
Q32
R102
Q31
R32 R31
D59
D57 D56 D55
CAUTION HIGH VOLTAGE AREA MAX. 4000V
Q3
B1
D4
QJ071
J6
D2
D5
J3
C5
D9
C9
D53
D61
C7
R15
D7
D62
R16
D60
Q38
R67
J4
D52
D31
C56
D54
VR31
C65
C31
C4
R13
R14
R10
R7
R4
R3
R9 R8
R3
C2
R44
R65
R66
R14
R59
R17
R94
R5
R98
R56
R6
IC1
C55
R60
C8
C66
R48
C52
R43
R61
R74
R50
R73
C53
R58
R75
R72
R101
C54
R71
R79 R78
R40
R39 R70
Q36
R66
R38
R69
R46
Q37
C32
R76
Q35
R37 R77
R83
R36
R84
R85
R87
R86
R88 R89 R90
R34
R33 R35
C6
CN4
R93
J52
J51
J12
J11
J22
J21
J42
J41
J32
CAUTION - HIGH VOLTAGE
J31
The unit's back cover should never be opened by
anyone other than a qualified serviceperson.
There are many high voltage parts inside the unit,
and touching them is dangerous.
R11
R3
R19
R2
R63
R53
C61
R51
Q57
R54
Q58
R52
C62
R55
C51
CAUTION - HIGH VOLTAGE
The unit's back cover should never be opened by
anyone other than a qualified serviceperson.
There are many high voltage parts inside the unit,
and touching them is dangerous.
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