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6/20/2025, 12:45:59 PM
>>11810320
sorry bro, i need it for the closed captions (not a single device in CIS is capable of that)
>>11811820
you look up the how a crt works in general first.
https://www.repairfaq.org/sam/crtfaq.htm
how power suply, horizontal deflection, protection systems etc. work in a given device.
check supply voltages (circuitry won't work without them), check B+ dc high voltage (horizontal won't work without it), etc.
basically you deduce the cause of the problem starting from the power supply, most of the time it's cracked joints or bad capacitors, sometimes bad semiconductors.
sorry bro, i need it for the closed captions (not a single device in CIS is capable of that)
>>11811820
you look up the how a crt works in general first.
https://www.repairfaq.org/sam/crtfaq.htm
how power suply, horizontal deflection, protection systems etc. work in a given device.
check supply voltages (circuitry won't work without them), check B+ dc high voltage (horizontal won't work without it), etc.
basically you deduce the cause of the problem starting from the power supply, most of the time it's cracked joints or bad capacitors, sometimes bad semiconductors.
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