Question about Sanyo PLC-XT25L LCD Projector
Sanyo PLC Xt25 projector is flashing all iondicators when turned on.Cleaned out filter and turned off overnight.Back the next day, when plug in ac adaptor it comes up with power and filter indicators on. THe filter has been cleaned out already.Once turned on, after around 10 sec starts flashing all of the indicators again. and doesdn't turn on.
SOURCE: I have a Sanyo plc-xt25
Every projector lamp is equipped with ballast. The problem area is ballast. Either the ballast is not getting DC supply or the lamp turn ON signal from the projector main board or the ballast is faulty. Remove the lamp. Connect the projector to the mains supply. Check the voltage at the lamp connector inside the projector without turning it ON. It should be around 65 volts A/C. (Warning: Multimeter will get damaged if the projector power is turned ON due to generation of high voltage) If you find this 65 volts then it confirms that it has DC supply & the ballast is functioning. The ballast receives the the turn ON signal from microcontroller through opto-coupler on the ballast. The ballast opto-coupler can be checked by providing external 5V DC supply between pin 3 (+ve) & 4 (-ve) in turn switches ON the lamp. If this works then there is no problem with your lamp & ballast. The problem lies with the main board. If this does not solve your problem then give me the feedback.
Posted on Aug 04, 2011
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