The ballast board may need to be replaced as well as the lamp. The set should give an error code such as blinking lights from the front button assembly. You need to count the blinks and take note if there is a pause between blinks. (example) an error code of 34 will go blink blikk blink, pause, blink blink blink blink. This process may repeat itself a few times.
SOURCE: Sony KDF-42WE655 Replacement Lamp
First thing i would ask is where is the smell coming from?
SOURCE: DLP Lamp went out, order new one and installed, still no picture
There may be a power supply or cooling fault for the lamp. This would have to be serviced by a service rep for your set.
I have no idea of the cost of the bulb for your set. But I can tell you that from what I see, if you use the set a lot of hours it will become very expensive to use. Because of the heat and cooling problems, the failure rate of the support circuitry for projection TV sets is higher than the normal sets.
I would suggest to service the set, put it up for sale, and get a Plasma or LCD type set. Over the long run LCD and Plasma sets are very maintenance free. Take an exended warranty with the set for insurance just in case something major goes on it. Over its lifetime it will still come out cheaper and more dependable than a projection set, and it will have much sharper pictures.
Jerry G.
SOURCE: New Lamp will not come on
I suspect thermo fuse near lamp or ballast or light engine. In that order , first double check lamp is in tight and covers are on correct there are switches on cover for lamp.
1 thermo 150.00
2 ballast 250;00
3 light engine 600.00
Get a tv service center to come over and check. it would be worth the service call ask him what he charges for road call , at least know you have price and part information.
thanks doctor video
SOURCE: we have purchase a new lamp bulb. When we
This is a classic example of a bad lamp. I realize that you replaced the lamp but the new one could be defective. Put the old lamp back in if it is available and worked at all before you replaced it. See what the set does then and if the red flashing light goes away. If you can't do that and know positively that the lamp is good then it could be the lamp ballast board. It is available at http://www.encompass.com and is not very hard to replace. Unplug the set, remove the lower back, you should see the board near the lamp. R&R the board, reassemble, and you should be done. If you need more help let me know. Thanks for using FixYa and for the generous rating.
hardrocko
SOURCE: lamp burned out so I replaced the lamp with a new
make sure the lamp is fully inserted and making good connection. a lot of people will forget to close the door, the tv will not function with the door open. close the door fully. unplug the tv for 2 minutes and then plug in and let it boot up for 30 seconds before you push the power button. toshiba is notorious for malfunctioning if you start hitting buttons right after you plug it back in, make sure you wait.
if this still wont fix your issue, look for the flashing leds on the front of the set. they will eventually give you an error code to go with. the tv can take up to 1 minute to come on and will try 7 times before spitting out an error.
Fig. 8: Twist the socket counterclockwise to remove from the housing
Fig. 9: This type of bulb simply can be pulled out of the socket for replacement
To install: 
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