The standby light flashes 7 times then pause and repeat.
Seven
blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit
goes immediately into safety shutdown. Check power supply regulation and
horizontal circuits. Power supply regulator section circuit should be troubleshooted. It is fatal to proceed trouble shooting this section, without proper knowledge in electronics, as if you want to measure the voltages to this section, the TV must be switched ON. When it is switched ON, or powered up; most of the components in this section will be dangerous to touch. If you are not handy, seek tech support. It will be more better.
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