Sony Grand WEGA KDF-E55A20 Operating Instructions Manual page 80

/_ The lamp is very hot immediately after use. Never touch the glass
portion of the lamp or the surrounding parts.
/_ After it has cooled, place the used lamp into the empty box of the
replacement lamp. Never put the used lamp into a plastic bag.
Place the new lamp into its place, then tighten the screw.
Mount the new lamp securely. Failure to mount correctly may cause a
fire or the screen to go dark.
Push the cover back on. Make sure that the hole on the cover aligns with
the hole on the unit. Reattach the lamp cover by tightening the screw.
/_ If the lamp cover screw is inserted incorrectly, the lamp may not
operate properly. In such a case, remove the screw, insert it
correctly and then tighten the screw completely (see"indicators" on
page 11).
/_ If the lamp cover is not reattachedsecurely,the self-diagnostic
function may be triggered and the POWERindicator flashes three
times (seepage 11).
Reattach the front panel securely.
78