Question about Televison & Video
SOURCE: no picture but has sound
If the screen turns bright blue then you may have a bad blue crt(picture tube) I suggest an on site diagnosis by a Sony ASC to verify if it's the crt. Crt's can run up to $150.00 plus installatin and alignments.
Posted on Jan 23, 2008
SOURCE: No picture
Check the heater power supply. you can find it at the CRT cuircuit at the back of the Picture tube. labeled H1 and H2 check the resistor Bias or re-heat CRT socket.
Posted on May 07, 2008
the lamp has a life cicle. if yours is been used a lot. then the lamp has to be changed. when the tv cannot turn on steady and gets off imm. the computer inside the tv tries to turn off the set but the lamp charges again and the micro tends to keep working. the first step to take in this tv is to change the lamp to eliminate this common source of problems
Posted on Apr 08, 2009
SOURCE: no picture
If i am to understand this correctly, this is a rear projection television. Inside there may be 1 - 3 " color " control boards that control the picture before going on to the projector. an accumulation of dust / dirt / debris has adverse affects on electronic componants, make sure they are dust free (compressed air cleans them off quite well. If using a home compressor, make sure there is a vapor filter to remove water from the airlines.)
If they are clean, and as you said you recently had the television serviced to replace the projection lamp, take the television back to the repair shop to have them determine the problem.
If you yourself replaced the projection lamp, be sure to check all connections are properly seated if you had to disconnect something, make sure they are in the proper places, and any connections are securely connected.
If all else fails, have a local electronics / television repair person check the unit for faulty componants.
Posted on May 29, 2009
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