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COMPONENT
CHECKOUT PROCEDURE
Check each voltage at connector S104 and S105
after removing each connector (female) from power
POWER
circuit board.
P.C.B
Pin No.3 (Ground) and 4,5, 1,2 at S105.
Pin No.1 and 2 at S104.
Test procedures:
a) Make sure that the power supply cord is not
b) Remove the connector S104 and S105 from
c) Plug the power supply cord.
d) And then, measure each voltage.
Measure the voltage: Between test points TP-1,
TP-2 ,TP-3 and ground (See figure 14 on page
CONTROL
23)
P.C.B
- Proceed with the check of the control P.C.B to
see if any one of the measured values is differ-
ent from the specified values.
CAUTION:
Proceed with the test only after removing the
wire leads from the primary winding of high
voltage transformer for your safety.
plugged in.
the power circuit board.
Note
RESULT
Normal reading:
Connection
Pin No.,
S105
#3 to #4
#3 to #5
#3 to #1
#3 to #2
S104
#1 to #2
Test point
TP,
TP-1
TP-2
TP-3
TP-4
- 6 -
Voltage(V)
DC 12
DC 16
DC 30
DC 35
AC 2.4
Voltage(V)
DC - 5
DC - 12
DC - 16
DC - 35
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