Don't know if you have solved this or not, but when you get the 2 seconds of sound do you have any picture? Its been my experience in working on these types of sony's that what your describing with the flashing light is more than just a cable connection problem, usually a High Voltage or Power Supply problem, and the shut down circuit is kicking in giving you a flashing light to indicate this, definitely a problem for a certified tv tech to fix.
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Re: Sony Trinitron kv-32fq75b
Sounds like the either the connection from the cable/sat box is loose or the board connecting the cables to the tv is loose.
If you try unplugging and then reconnecting the cables and hold the cables in tight that might give you and idea. If you hold the cables in tight and the tv works right, then you know its your board. If thats the case the Tv needs to be serviced.
Otherwise you might try using some other cables.
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U have a soldering iron,desoldering pump or a roll of desoldering braids,a roll of solders?Can u do basic soldering and uderstand basic electronic?FBT- the flyback transformer,the big black block of a plastic with a red wire with a cap hook to a CRT-tv picture tube.Near the big block of a plastic with a red wire with a cap hook to a CRT picture tube.Inside to the right of the FBT,there are 2 power supply ICS,those 2 ICS are dead.Replaced these 2 power supply ICS near the FBT,will solved this tv LED power light indication blinking and will have stable tv power again,and tv will work.
Please provide more info.
1. Does the TV stay on, if so,
2. Is the LED flashing, how many times stop same number of times again
3. If TV goes to stanby, count the flashing LED.
4. If LED comes on goes off , at firsdt switch on. does it make a thumping noise.
Hi, Please check fisrst that indicator liight (LED) blinks how many times.it could be from 1 to 8 times and the interval would be of three seconds.So, count the led flashes how many times and then tell me i will try my best to find and fix the solution.