Simple Way Of H.v. Inverter/Magnetron Troubleshooting; How To Check The Semiconductors Using An Ohm Meter - Panasonic NN­GS595A Service Manual

10/24/2016
Power will:
7.5 Simple way of H.V. Inverter/magnetron
troubleshooting
Purpose:
Simple way (3/23 seconds rule) of identifying whether it's Magnetron, Inverter or others.
Set­up:
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:
1. Between 0.5A
and 1.0A.
2. Between 1.0A
and 2.0A.
Shut off in 23
seconds after "Start".
Shut off in 3 seconds 1.
after "Start" 0.5A
7.6 How to check the semiconductors using an OHM
meter
file:///C:/Users/sh.dehghani/Desktop/NN­GS595AOTSVC_PHAMOS0511035C3/viewing/SGML_VIEW_DATA/OT/NN­GS595A/SVC/PHAMOS0511035C3/inde...
Ammeter
reading is:
Ammeter
reading is:
Check and repair open magnetron circuit
Check continuity of D702 in Inverter PCB.
1. D702 shorted
2. D702 is OK
Less than Check open circuit: Latch Switch, DPC,
Power Relay and CN701
XML Service Manual
To do:
To do:
Open magnetron wiring between Inverter and
magnetron terminal.
Replace H.V.Inverter
(F606YM300GP)
Replace magnetron
Replace defective component(s), or correct
switch, cables and connectors.
Remedy:
Remedy:
5/6