Question about Sony FD Trinitron WEGA KV-21CL10 21" TV
My girlfriend and I were watching her TV one night and we turned it off, then 20 mins later decided to watch some more but the TV would no longer turn on. When we push the power button on the TV, a red light comes on and stays on but, nothing else happens. Would really appreciate some help with this one!
SOURCE: Sony Trinitron KV-27S46
There is a problem in the sweep section of the set. The Horizontal sweep power supply most likly. there is nothing a layman can do as it will involve troubleshooting the solid state circuit. please find a trainded tech to assist you in this repair.
Posted on Sep 22, 2006
SOURCE: sony trinitron kv-36fs76u
From the symptoms you describe, it seems the high voltage flyback autotransformer has failed along with the horizontal amplifier (they are slaved to each other).
Well, the only way to solve this is to get a technician take a look at the set, I'm afraid. Repairs could cost upto $100 or more, depending upon the number of components that need to be replaced,
Since the set is new, it may be worth getting fixed up. If you decide to do so, call around, as shops have different rates and different expertise. Many shops are hurting for work because so many of the smaller sets are never repaired anymore; they are just thrown out and replaced since the cost of a new set is sometimes as low as the repair expense.
Hope that helps...Should you have any further questions, please feel free to post them here.
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Posted on Apr 26, 2008
SOURCE: About Sony Trinitron KV-28LS36B
there are two possible defects in your circuit.
However, if the led blinks for about 10 times your tuner is defective 90%.
You will need a scope to check or you will need to take it in for service.
Posted on Oct 15, 2008
Hello,For model KV-40XBR800,
Pls check following area.
Low HV Shutdown:
On the D Board.
Check IC8004/pin 7 should be 7.4v.
Check IC8006/pin 2 should be 2.5v if lower will trigger shutdown by causing pin 1 to turn on.
Check IC8006/pin 3 reference voltage 2.2v.
IC8006/pin 1 normally at 0v. If high
turns D5007 ON which turns the latch circuit Q6532,
Q6530, and Q6527 ON and turns the AC relay RY6501 OFF.
And NOTE: 6 blinks also can be Low B+ protection.
Unregulated 7.5 v from the power supply to 5v reg IC504 on the A Board. 5v to M Board Q2314
to CPU IC2300/pin 43. If 5v missing set will shutdown with 6 blinks.
Posted on Oct 15, 2008
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