Check if there FLASH(U17)
Yes
No sound No picture
Change
Mainboard
No
Yes
Check if there is voltage in
No
- 41 -
CN101(Pin11-12:
12V Pin7-8 :
5V
Pin5 2-5V
Change the
Main board
has the right software and
work well
Update the
software
Check if there is voltage in
No
CN101(Pin6 5V )
Change the
Power board
Yes