Question about Sony Televison & Video
Take the lamp out and inspect it. Look down the bulb at the root of the filament stem and look for any bubbling of the glass there. If so it is bad. It can be bad like this even if you don't see any broken glass inside the blub. The best place I found to get a lamp with housing is pureglare.com
There could be other problems but the lamp is first place to start. Then consider the ballast or the thermal switch which is on the top of the lamp housing. The ballast could be a pill to change...a lot of disassembly and re-assembly. But it supplies the voltage to light the lamp. To test the thermal switch you can take one wire loose from it and jump with an alligator jumper clip from wire to wire temporarily. The thermal switch has two wires connecting.
Posted on May 24, 2011
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Posted on Jan 02, 2017
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The procedure may vary from Sony model to model. These procedures are for Sony Rear Projections only. For other models, please consult your manufacter's website. All rear projections have the option of reseting the lamp hours. This helps since you will know how many hours your last lamp ran for. Normal lamps should run between 5000 to 8000 hours.
Try the following procedure:
Please be cautious when entering service mode. Following the information below and you will have no problems.
Enter service mode by pressing Display, 5, vol +, Power On.
Proceed to the Option-E screen by pressing the 2 or 5 button
Option-E 0 0
Change data to 1 using the 3 button on the remote
Option-E 0 1
Press Mute Enter to write data.
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