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FMV156EMC
PROCEDURE
LETTER
Q
NOISE FILTER TEST
1. Disconnect the power supply cord, and then remove outer case.
. open the door and block it open.
3. Discharge high voltage capacitor.
4. Disconnect the leads to the primary of the power transformer.
5. Using an ohm-meter, check between the terminals as described in the following table:
MEASURING POINT
Between N and H
Between terminal N and loAD Short circuit
Between terminal H and loAD Short circuit
If incorrect readings are obtained, replace the noise filter.
6. R econnect all leads removed from components during testing.
7. Re-install the outer case (cabinet).
8. Reconnect the power supply cord after the outer case is installed.
9. Run the oven and check all functions.
TEST PROCEDURES
N
NOISE FILTER UNIT
RESISTOR
LINE CROSS CAPACITOR
NOISE SUPPRESSION COIL
LINE BYPASS CAPACITOR
0.0033uF/ 250v
LOAD
INDICATION OF OHM-METER
open circuit
COMPONENT TEST
H
MONITOR
FUSE
LINE BYPASS CAPACITOR
0.0033uF/ 250v
LOAD
4
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