Question about Sony CPD-G400 Multiscan Trinitron 19" Monitor
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Posted on Jan 02, 2017
SOURCE: Toshiba CF3566A Tac 9190
the cuestion is if every time it shut down you have the hot shorted,or not. have measure the flyback/yoke/Hot working current? it must be under 0.6Amp ,if is greater something is wrong and cause overheating.Normally I touch with my fingers to "measure" the temperature. and what about the Micro?.there´s one pin that control power on/off ,is it good-solid data or is crazy . micro gets hot, have a correct 5Volt on its VDD pin. lot of cuestion that I hope helps you!!!
Posted on Jul 13, 2007
SOURCE: screen always bleu
ok.. most probably the data cable of your monitor is damaged.. try to check it if the pins are still in tact.. if not, then you should replace it with new one..
Posted on Jan 21, 2008
At this point you may have bad transformers, bad tuning cap, you need to check the frequency of the inverter oscillator to see if both of them are running at the same frequency, the bad one may not be. The Inverter/power supply is not made by SONY, Powernet makes the board. Please see what went wrong with the one I fixed.
One thing to keep in mind, when the board turn into carbon (blacken), it will conduct. The circuits operate at high voltage and high frequency.
Posted on Apr 09, 2010
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