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How many times the standby light at its front panel blinks? Count it. These blinks are fault indications. Check this link for more details about Sony Blinking codes. Count the blinks that occur once, after switch the TV On by its front panel power switch. Check it.
Possible that the switch on micro switch which triggers from the slide cover is damaged and so does not switch on. You might need to remvoe to find this fault and replace the switch, set the alignment once again or refix the switch .
take your tv to a repairing shop and let your technician check the power supply section is not producing an ht to trigger the line transformer, in turn various voltages will be produced, which will open up your tv.
this is a pictur tube prublum. but this prublum is fixed
set filament voltage is 4.5v to > 6.0v
check G-2 voltage on crt base and cancting PF replace.
check 200v dc on crt base and replace 10uf/250v capaciter
6 blinks mean a thermal fuse problem. This model had a problem with the thermal fuse that does not close once it is opened. This is caused by a blockage of the fan that cools the optical block, usually from accumulated household dust. This causes the TV to overheat. The thermal fuse detects this and puts the TV into protect to prevent further damage to the TV. To fix, the fans need to be cleaned and the thermal fuse needs to be replaced. The parts are not very expensive (around 20 dollars for the fuse) but it does usually takes a while to fix because the unit needs to be taken apart to have access to the fuse and optical block fan. The GT board might have been damaged for the excessive heat but most likely a new thermal fuse will fix the issue and clean fans will prevent it from happening from the future.
Many of the later model Sony TV?s have a built in self-diagnosis function. AKB circuit (automatic kine bias), the timer/standby indicator blinks 5 times for about 30 seconds then goes to the self-diagnosis function. In other words, the IC chips on the Cboard are burned out. This repair is not one that should be attempted by the end user. This repair will need special test equipment. You will need to take it in for repair. It shouldn't cost more than $170-$200. This is cheaper than a new TV set.
thanks so much likha! i appreciate your solution
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