12-1) When Power Is Not Supplied - Samsung RB215LASH Service Manual

Diagnostics

12-1) When power is not supplied

Pre-Check
1.Check if power is supplied at Concent and Power Cord is connected properly before repair
2.Check by referring to the followings.
primery DC -TRANS applied?
(Power/Voltage)
secondary DC -TRANS applied?
(PCB CN10
normal? (PCB C105 both terminal
normal? (PCB C104 both termind
connections of PANEL
PCB normal?
Recheck/Change MAIN PCB ASS'Y
Start
Is Power of
YES
Is Power of
AC16V)
YES
Is 12V terminal
Voltage)
YES
Is 5V terminal
Voltage)
YES
Are wire
YES
NO
Check assembly of
wires and do repairing
NO
Change DC-TRANS
NO
Check PCB.REG1
(7812)/Change PCB
NO
Check PCB.REG2
(7805) / Change PCB
NO
Change the fridge Set
55