A scope and basic troubleshooting...

Leonard

"Max" wrote in message
...
Hi I trying to fix Sony KV-27FS12 27' TV.Front LED blinking 4 times.I
found short horizontal output transistor D2578.After replaced and try to
turn on TV the transistor blow out again after it start working for few
seconds.There is no bad solder connections on the board.I suspect bad
flyback.Any suggestions?Thanks