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-21-

Is there any beep sound

in continuity test between

the ends of latch board?

- primary switch

(Door should be closed.)

Power Off

Yes

Adjust latch

board

(Refer to 9-1,

9-2)

Is the resistance of high

voltage Transformer out of

rage?

Test Point

1. Primary winding (High, Low): 0.2 ~ 0.5 Ohm

2.Secondary: 50~120 Ohm

3.Filament winding: 0 Ohm

Yes

Replace the

High Voltage

Transformer

Is the connector connected

to High voltage Transformer

assembly disconnected or

disassembled?

Yes

Reconnect or

repair the

connector

Case (ground)

LG LMHM2017ST Service Manual

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