Read Sharp AM-400 (serv.man8) Service Manual online
AM-400DE
2 – 4
3.3. TC Voltage Check Point
1) TC Voltage
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.
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.
J22
J21
Q52
D60
D58
D1
D8
D2
D3
D4
C6
D5
D7
D9
C5
CN4
R93
J51
J12
J11
J52
C7
R15
Q3
B1
R1
J5
J6
CN3
C1
VR1
D10
CN1
D61
D53
C9
VR51
D62
J1
J3
J2
B51
C65
C31
VR31
C56
D54
D52
J4
J31
J41
R67
J42
J32
D31
Q38
R16
QJ005
QJ071
GND (-)
TC Voltage Check Point (+)
(There is danger of an electric shock!)
Use High Voltage Tester:
Requirement of Measuring instrument:
Use High Voltage Tester:
Requirement of Measuring instrument:
Input Resistance : more than 100 M
Ω
Maximum Voltage : more than 5 kV
VOLTAGE
TC (+) : + 3600 V ± 72 V (PRINTING)
TC (-) : - 500 V ± 50 V (CLEANING)
TC (+) : + 3600 V ± 72 V (PRINTING)
TC (-) : - 500 V ± 50 V (CLEANING)
Voltage(v)
300Hz
Time(s)
Type
-3980V
-3600V
-3220V
-3600V
-3220V
Tolerance
± 72V
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