Mitsubishi ts-5545, screened work after being off for a long while and then got smaller and now black and a sound like a heart beat
A couple of things:
1) Either a bad power supply or a flyback 'supplies the high voltage to the 3 CRT's' .
2) The HOT 'High Output Transistor' is gone bad or the leads 'solder joints' have cracked and are not making a good connection.
time to get it into the shop or have a tech come to your residence to look at it.
Good possibility of getting it fixed.
A/V Media Guy
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