13-1) When Power Is Not Supplied - Samsung RB215BSSB Service Manual

Diagnostics

13-1) 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?
secondary DC -TRANS applied?
(PCB CN10 �~�AC16V)
normal? (PCB V105 both terminal
normal? (PCB V104 both termind
connections of PANEL
Recheck/Change MAIN PCB ASS'Y
Start
Is Power of
(Power/Voltage)
YES
Is Power of
YES
Is 12V terminal
Voltage)
YES
Is 5V terminal
Voltage)
YES
Are wire
PCB normal?
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 refrigerator Set
55