Toshiba DP120F Service Manual page 672

4.3.3 "TOP COVER OPEN"
Step
1
Is the Top cover open switch damaged?
2
Is the cable firmly connected between the
Top cover open switch and the LVPS
(CN2), between the LVPS (CN1) and
Mother PBA (CN1), between the Mother
PBA (CN24) and Main PBA (CN12)?
3 When no problem is found in steps above,
Top cover open switch itself, the LVPS or
the PBA's may be defective.
DP120F/DP125F Troubleshooting
Check points
Replace the Top cover open switch.
Insert the cable to the connector firmly.
Replace in the order of: Top cover open
switch, Main PBA, Mother PBA.
11-60
Solutions
March 2000 © TOSHIBA TEC