36
11-1. Power cut off
1111.. DDIIAAGGNNOOSSIISS AANNDD TTRROOUUBBLLEESSHHOOOOTTIINNGG
Is the power cord or fuse break?
Start
Fuse exchange
Is impressed the first power of DC trans?
Power cord assembly
connection check
Is DC 12V, DC 5V on main PCB run?
Repair of power part on PCB
Is normal the power cord on panel PCB?
Panel PCB exchange
Is the reset IC (IC02) output terminal DC 5V?
Exchange/repair of reset IC
Check the connection of housing of
main PCB part and refrigerator panel connection part
REG 7812, 7805 out end measurement
Exchange of the main PCB ASS’ Y
Y
N
N
Y
Y
Y
N
Y
N
Y
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