Question about Sony KP-48S35 48" Rear Projection Television
Sony KV-2647R after being on for some time will turn off and sometimes will not turn on at all.
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Posted on Jan 02, 2017
Your unit has issues with the high voltage section. Particularly the vertical and horizontal sections. Blinking lights indicates that your flyback is not osscilating to distribute the supply to the sections. Please have it checked by a repaiman.
Posted on Mar 24, 2008
SOURCE: Random Turn-Off on KV-34HS420
7 times blinks shows that Horizontal Deflection Circuit doesn't work properly.
I think, its not big fault and can be resolve in low cost at nearest Sony repair shop.
Posted on May 27, 2008
For 6 blinks 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.I think this will help you to solve this issue..
Dont forgety to Rate!!
Posted on Oct 22, 2008
Press Display / ' i ' button TV original remote and on-screen display will disappear.
I repeat, you need Sony TV original remote to do so, universal remotes do not have such button.
Posted on Jan 14, 2009
try to adjust the screen. it is located behind the CRT board.(CRT board is the board that attached to the picture tube) you will find a black knob which label screen adjust it by turning the knob.
Posted on Jul 04, 2009
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