While watching TV the picture goes but there is audio. Turn set off and back on picture returns for a several seconds and goes again. Try again and picture comes back but video mode switches from video 1 to video 3, keeps on repeating, and finally turns off. TV would not turn on when I try again if it does there is no click and the red LED blinks continuously but no picture no sound. Jud ST. Thomas, VI
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more than likely there are numerus bad solder connections in the set. give the set a light tap on the sides and see if the picture returns, if it does locate and repair bad solder connections. most of them may be found on the G board. the A board may have several as well. in the past I have seen the delay line have the bad solder which drops the picture out.
The set may have shorted the horizontal out put transistor since it kept coming on sometimes. This could be cause by the driver transformer arcing causing a "spike" in voltage going to you horizoltal out put transistor.
AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the Cboard, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking.
the picture tube on your TV set is exausted. Please contact your nearest Authorized Sony Service for further help/advice.
After all, Sony is a good choice. The next TV set you buy could be one of Sony-s Bravia LCD.