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I found this, as far as 5 LED blinks.
Five blinks - 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 C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.
I don't think IK blanking is the issue, because when it DOES come up, the CRT looks perfectly fine. I think the issue is time-based, i.e. the set will not power up if I try turning it back on if it has previously been on within the past 24 hours or so. There is also nearly no delay or blinking prior to the error code being thrown; as mentioned, about 3 seconds in and it shuts down.
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Sony Trinitron Fan
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