Re: another Samsung 2233
postscript, I need a decent DMM which can measure low R values!
0.2 ohms does not equal 0 ohms!!
this can help:
[url]http://www.keithley.com/data?asset=53682[/url]
think I'll make a 100mA CCS with an LT3092 and a couple precision resistors 2k/20k and a 9v batteryRe: another Samsung 2233<br />
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think
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Last edited by tedmich; 12-15-2011, 12:50 PM.
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Re: another Samsung 2233
replaced all the (low voltage EL) SAMYOUNG caps, only $13 from Norvac, but not my favorite brands, which I was ready to order from Mouser for $3.
IT LIVES! THANKS ALL!
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Re: another Samsung 2233
I may not have the resolution to measure 0.2ohms, my cheap DMM doesn't have a zero knob or calibrated leads but the primaries read identically (0.4 ohms) P2/P2, P3/P3 and P2/P3 so it looks like continuity to me. If shorted primaries are unheard of, secondaries which seem to be ok by R measurement are more common right? I plan to replace transformer regardless, and caps too. Bad CCFL is always a possibility too, unless I test with good inverter.
thanks for the tip on image hosting, I know of no other site which does this
this...Last edited by tedmich; 12-14-2011, 01:05 PM.
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another Samsung 2233
bought from Dell in part because of its 3y warranty , but now Samsung says its 1y and back light failed at 2.5y
started to flicker a few days back, went black a few times and then re-fired. Now it flashes on and off and then goes totally black although display is still visible with a bright light.
board is different than most I have seen.
[url]https://docs.google.com/open?id=0Bx4YBDBg2bqPYjM2ZWMzYzMtNzI2Ny00ZWU4LThkNGItMjE1OTZhZTBmYzVh[/url]
2 fuses (circled) at least not tiny pico units and test OK. Pulled all the SAMYOUNG caps and they all test ok...
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