Question about Sony KP-53V80 53" Rear Projection Television
I have a Sony Color Rear Projection Tv model KP-53V80. Recently the sound has started fading in and out. There is no consistency to the lass of sound. Sometimes it's just a few seconds and sometimes several minutes. Any suggestions?
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Posted on Jan 02, 2017
SOURCE: I have a Sony Projection
No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted.
Check IC1509, Q1505
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Posted on Jan 18, 2009
Replace Both of your convergence ICs They are big black ICswill have part number on them STK392-110 Order the same # as your STKs have on them Call Mats for Parts 1-800-628-1118 also CK pico Fuses they look like resistors will be green or yellow they are fuses.
Posted on Sep 27, 2009
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.....
Posted on Jan 13, 2017
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