TROUBLESHOOTING
Purpose:
Simple way (3/23 seconds rule) of identifying whether it’s Magnetron, Inverter, or others.
Set-up:
The unit under question is connected through the Ammeter as shown below.
Procedure:
Follow the matrix table below to identify the problem source.
Note:
Do not replace both Inverter board and Magnetron simultaneously and
automatically without going through this procedure.
Power will:
Ammeter reading is:
To do:
Remedy:
Shut off in 23
seconds after
“Start”.
1. Between 0.5A and 1.0A.
Check and repair open
magnetron circuit
Open magnetron wiring
between Inverter and
magnetron terminal.
2. Between 1.0A and 2.0A.
Check continuity of D702 in
Inverter PCB.
1. D702 shorted
Replace H.V.Inverter
(F606Y6G00CP)
2. D702 is OK
Replace magnetron
Shut off in 3
seconds after
“Start”
1. Less than 0.5A
Check open circuit: Latch
Switch, DPC, Power Relay and
CN701
Replace defective
component(s), or correct
switch, cables and
connectors.
5. H.V.INVERTER BOARD MAIN PARTS LIST
(F606Y6G00CP)
11
Содержание NNSD986S - MICROWAVE OVEN 2.2CUFT
Страница 3: ...3...
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Страница 6: ...1 SCHEMATIC DIAGRAM 2 MEASUREMENTS AND ADJUSTMENTS 6...
Страница 13: ...specified parts NOTE A parts are supplied by CSD Japan F parts are supplied by PHAMOS China 13...
Страница 20: ...7 2 NN H965WFB APH 20...
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Страница 22: ...7 3 PARTS LIST 7 3 1 NN SD986S APH 22...