SOURCE: RCA 50" dlp lamp dead?
Hi. Most Dlp sets have a fan for cooling the bulb this should start at switch on if it doesnt bulb will not light. Check fan is pluged in & that blades can turn freely.
SOURCE: My sony kf-50XBR800 tv turns itself on and off continuously.
Check PS1601 and PS1601 on the reverse side of the G board these are ceramic IC links (fuses rated at 2.5 Amp @50V)
SOURCE: tv will not stay on
If the lamp light is not on, then the TV is flashing because of overheating or because of a fault.
Try first unplugging the TV and leaving it unplugged overnight, this will drain power completely and may solve some problem.
If the TV keeps having a problem, then there is a fault.
Many units have more than one fan (one for lamp, one on ballast, one on board). In that case ensure that all fans are working.
If the problem is not a fan, then parts can cause the problem are ballast board and DMD board.
In that case the parts must be tested before replacement.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
If you want to DIY you find parts here, a common fault is PSU, but part must be tested before replacement.
Appliance parts, electronics parts & more from PartStore.com
Encompass Parts Distribution
Electronic Replacement Parts.
SOURCE: Got the tv stanby Working
The ribbon connector which goes from the FMT to the DM is disconnected or not seated properly thats the only thing that will cause the 4 4 error other than a broken ribbon socket
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