Samsung RB215BSSB Service Manual - Page 55
Diagnostics
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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. Start Is Power of primery DC -TRANS applied? (Power/Voltage) YES Is Power of secondary DC -TRANS applied? (PCB CN10 �~�AC16V) YES Is 12V terminal normal? (PCB V105 both terminal Voltage) YES Is 5V terminal normal? (PCB V104 both termind Voltage) YES Are wire connections of PANEL PCB normal? YES Recheck/Change MAIN PCB ASS'Y NO Check assembly of NO wires and do repairing Change DC-TRANS NO Check PCB.REG1 NO (7812)/Change PCB Check PCB.REG2 (7805) / Change PCB NO Change the refrigerator Set 55
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55
Diagnostics
13-1) When power is not supplied
1.Check if power is supplied at Concent and Power Cord is connected properly before repair
2.Check by referring to the followings.
NO
NO
NO
NO
NO
Pre-Check
Check assembly of
wires and do repairing
Is Power of
primery DC -TRANS applied?
(Power/
Voltage
)
Is Power of
secondary DC -TRANS applied?
(PCB CN10
�~²
AC16V)
Is 12V terminal
normal? (PCB V105 both terminal
Voltage)
Is 5V terminal
normal? (PCB V104 both termind
Voltage)
Are wire
connections of PANEL
PCB normal?
Start
YES
Change DC-TRANS
Check PCB.REG1
(7812)/Change PCB
YES
Check PCB.REG2
(7805) / Change PCB
YES
Change the refrigerator Set
YES
YES
Recheck/Change MAIN PCB ASS'Y