Author Topic: Sony KV-SR29M89K  (Read 4573 times)

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P.R.Gore

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Sony KV-SR29M89K
« on: October 11, 2008,01:24:59 »
This set uses Hercules IC TDA12079H1/N1EBF. Starting +5v & st by +3.3v, +1.8v are ok previously green led & simultaneously relay in power supply were switching on/off.There is no h-out. As per my knowledge set goes in st by mode after detection off any error. In this case, no st by is possible even on remote!   
Later I replaced this IC, but now no green led, no h- drive & nothing else happens! Set is still dead!! Only this IC becomes slightly warm.
All above mentioned voltages are still ok! So also +B 135V.  :oops:
Please somebody provide me a solution. 

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