3.
3.
3.
3. Component
Component
Component
Component doesn
doesn
doesn
doesn
’
tttt display
display
display
display
NO
YES
NO
YES
Check CN24.
Can you see the normal waveform?
CN24 may have problem. Replace this
Jack.
Check U08 and peripheral devices?
Check U08 and peripheral devices?
This board has big problem because Main
IC(U09) have some troubles.
After checking thoroughly all path once
again, You should decide to replace Main
Board or not.