Toshiba SD-270EKB2 서비스 매뉴얼 - 페이지 5
{카테고리_이름} Toshiba SD-270EKB2에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Toshiba SD-270EKB2 37 페이지.
페이지 인쇄
The power can not be on or off
Check the power supply
on the power board is
normal.
Check if the CON3 on the
front board to CN5 on the
decoder board is in good
contact.
Whether the connection
to K301 is broken.
Whether there is 0V and
3.3V voltage difference on
Pin 94 PCON of U1.
The power can't be
on or off
Go
Yes
Yes
Yes
Yes
Yes
1-2
No
Repair the power board
No
Check/Correct connection
No
Correct the connection
No
Replace U1.
Trouble shooting chart