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cappanie
Guest
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 Posted: Wed Jun 21, 2006 2:55 pm Post subject: monitor no dispaly |
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monitor crt 17 inch samtron 56e, no display, power led blink steady.checked if vga card faulty,found ok - swapped with another monitor.need help whats wrong with samtron
thanks, |
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Guest
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| Posted: Wed Jun 21, 2006 6:07 pm Post subject: |
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| Are you familiar with repairing powersupplies? what test equipment do you have? |
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cappanie
Guest
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| Posted: Fri Jun 23, 2006 5:05 pm Post subject: |
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| i a bit familiar, not so pro. please guide me |
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Guest
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| Posted: Sat Jun 24, 2006 12:29 am Post subject: |
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| First test the Horizontal output Transistor for shorts. |
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cappanie
Guest
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| Posted: Sat Jun 24, 2006 12:00 pm Post subject: |
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ok, the location is at the crt correct?
sorry,to ask, i just want to learn |
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Guest
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| Posted: Sat Jun 24, 2006 8:18 pm Post subject: |
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| The horizontal Output Transistor is on the main board, mounted near the Line Transformer. It is mounted to a large heatsink. Test it for shorts. It could have an internal diode and internal resistors so be aware of this while testing. It's datasheet should be available online. |
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cappanie
Guest
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| Posted: Wed Jun 28, 2006 4:45 pm Post subject: |
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| Thanks for help i appreciate, i will let you know if anything wrong later |
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vdngoc
Guest
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| Posted: Tue May 13, 2008 3:17 am Post subject: |
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you should check High tension. i think capacitor in High tension was fail.  [img][/img] |
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