Toshiba SD-270EKB2 Servis Kılavuzu - Sayfa 5
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Sayfayı Yazdır
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