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6. Troubleshooting
6-1 Power source problem
Check if PF1 is OK
Check if Power Trans
output is OK
Check for voltage
"8V"
Check for voltage
"-8V"
Check for voltage
"5V"
Check for voltage
"-5V"
Check for voltage Ever "5V"
6-1
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Replace PF1
YES
Replace Power Trans
Replace PIC4
Replace PIC5
Replace PQ5,PQ6
Replace PQ3,PQ4
Replace PFET1,PIC1,PIC2,PR4,PR75,PD1
Replace PFT1,PIC1,PIC2,
PR4,PR75,PD1
YES
Replace power PCB ASS'Y
Samsung Electronics
NO
NO
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