Samsung WF-F125AV - Page 68

6-3
6. TROUBLE DIAGNOSIS
NO Power On
The Voltage Of
Betweenⓐand ⓑIs
As Big As 12V?
Check The Trans
YES
NO
6-2. PROBLEM CHECKING AND METHOD OF PCB
6-2-1. The Part Of Power Source
YES
The Voltage Of
Betweenⓒand ⓓ Is
As Big As 12V?
Check The Condenser(CE3)
YES
NO
The Voltage Of
Betweenⓔand ⓓ Is
As Big As 5V?
Exchange IC5 (7805) And
Check The
Condenser(CE4)
NO
6-2-2. Reset Part
The Value Of
Measurement Result Of
Between Micom 8 And
Gnd Is 5V?
Check The Power Source
NO
YES
Check IC7