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Toshiba TV 14R21 (PWB-1386 Board) keeps power on and off

 
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PostPosted: Thu Apr 05, 2007 7:48 pm    Post subject: Toshiba TV 14R21 (PWB-1386 Board) keeps power on and off Reply with quote

I have a 14R21 Toshiba old TV and still not consider it as a junk. The problem now was after few minutes viewing it suddenly turns off and on and you can hear a sound something a relay clicking. No abnormality observed from the CRT. About 5-10 minutes of turning on/off with the standby power monitor LED blinking red/green/off then goes powered on and again a few minutes again problem occurs. Pls. advise if what have to check on the circuit. Thanks!
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cory
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PostPosted: Thu Apr 05, 2007 10:43 pm    Post subject: Reply with quote

check main pcb for bad or cracked solder connections.possibly on relay or horizontal drive.
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PostPosted: Sun Apr 08, 2007 4:09 am    Post subject: Reply with quote

thanks, I will check...
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