If Panel Pcb Does Not Work Normally - Samsung RF195ABRS Service Manual

TROUBLESHOOTING

4-2-8. If Panel PCB does not work normally

① When lightning of Panel PCB is disabled
Check parts trouble, fallen PCB Pattern, Solder
connection of parts
· Check the connecting part of left/right CABI
upper hinge according to left/right opening of
door.
· Check the connecting part of left/right door
upper hinge according to left/right opening
door.
① Door Part - Check the connecting wire of upper hinge Panel - Check the disconnection & short between wires.
② Freezer upper CABI - Check the wires between Main PCB - Check the disconnection & short between wires.
Start
Is the PANEL PCB
normal?
Yes
Is the
connector of PANEL PCB part
inserted correctly?
Yes
Is the
connector of upper hinge COVER
inserted correctly?
Yes
Is
Main PCB connector(CN50)
inserted correctly?
Yes
Is Main PCB 12V normal?
(Check the power)
Yes
No problem / Recheck
55
No
Replace PANEL PCB
Yes
Reinsert connector of PANEL
PCB and check the bad contact.
Yes
Reinsert connector and check
the bad contact.
No
Reinsert the connector of Main
PCB and check the bad contact.
No
Replace PCB