33
Check assembly of
wires and do repairing
8. Diagnostics

8-1) 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.

Is Power of primery
DC -TRANS applied?
Start
NO
Change DC-TRANS
Is Power of secondary
DC - TRANS applied?
NO
PCB. REG101 Change /PCB Change
Is 12V terminal normal?
NO
Change PCB. REG102 /
Change PCB
Is 5V terminal normal?
NO
Do repairing
Are wire connections of
PANEL PCB normal?
NO
Change PANEL PCB
Is PANEL PCB normal?
NO
YES
YES
YES
YES
YES
YES
Change MAIN PCB ASS'Y
Pre-Check