Question about NEC (SPPL1065) Projector Lamp for MT830, MT1030, GT2000, GT2000
Posted by Anonymous on
Ignore the above solution. Your red polarizer or color filter is damaged. It is costly to repair this. But you will find this piece near the LCD optics. It pulls out from a tab.
Posted on Nov 23, 2007
The problem you have lies either in the CRT or the CRT card. If you are familiar with the term Video B+, check this voltage at the collectors of each of the output transistors on the CRT card. You should read about 175 volts or so at each collector. You will probably find that the voltage on the collector for the GREEN output transistor is low. If so, pull the CRT card off the CRT (with the set off to prevent any arcing) and double check that collector voltage again. If it is back to normal, then you can suspect that there is a short of some kind with the GREEN gun in the CRT.
Posted on Jan 30, 2006
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