Sony KF-42WE620 Service Manual page 177

Introducing the Sony LCD Projection TV
18
7
Mount the new lamp.
Be sure to attach the new lamp securely.
Reattach the new lamp
securely into the lamp
receptacle.
8
Reattach the lamp cover and tighten the screws.
Make sure the lamp cover is reattached securely, otherwise the power
will not turn on.
Align the right side of the lamp cover with the hole on the unit, and replace
the lamp cover in its original position.
If the lamp cover is not reattached securely, the self-diagnostic
function may be triggered and the POWER/STANDBY indicator
flashes three times (see page 87).
Tighten the two screws securely first 1,
then 2 with the supplied hex key, as
shown in the illustration.