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I have an intermittent problem powering up our IN35. About 75% of the time, when I connect our IN35 to the mains, all the indicator lights on the top immediately come on and remain lit indefinitely, and the fan runs continuously. The projector lamp does not light up. However, if I unplug the projector and then plug it in again, this sometimes seems to fix the problem so that all indicators (except the power light) go off after about a second, the fan stops, and the lamp lights up. Sometimes, I need to unplug it up to ten times before the problem clears.
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More than 5 years old. After replacing bulb you have to reset the lamp hours as follows.
To reset the lamp timer, navigate to the Settings>Service menu and select "Reset Lamp Hours"
It is not a common problem. Ballasts rarely need repairs. Have you reset the lamp hours to zero after installing new bulb? If, yes to confirm about ballast please ask the TV repair shop man whether previously he had repaired any DLP projector. There is lot of difference in technology of DLP projector & TV (except DLP Projection TV).
The problem could be in the projector main board. The lamp lights after getting Lamp ON signal from the projector main board. As the lamp ignites the ballast sends the signal of Lamp Lit. If the projector board senses that any blower/exhaust fan or colour wheel is not running then it will send a signal to Switch OFF the lamp. If you are tech-savvy then do as follows to check about lamp & ballast. Remove 5 pin connector from the projector. Connect projector to mains supply. Get a 5V DC power supply. Connect +ve to pin 3 & -ve to pin 4 of the ballast connector from this supply. The lamp should light. If it does not light then there is problem in the ballast (if the lamp is new). To give a chance you can check it for your lamp which lasted 20 minutes. Generally ballasts are made by OSRAM. You can get the ballast from OSRAM dealer. You will need the part number for that. Take out the ballast, it is there on it.
the power supply needs to be replaced. the caps are dried out and powering the projector causes too much of a drain, so it shuts down. you can buy the part from an infocus service center and do it yourself, or send it in to them for repair. either way, try www.avsolutionsny.com. they're really good.
check the interlock switch for the lamp door (on the fan bracket). if the switch doesn't work, the projector won't turn on. also check to see if the ribbon cable for the top case buttons is connected well. if still a no-go, it is the power supply (part # 510-2189-00). if you want to try and fix it instead of purchase it, start with the caps. some of them bulge and some tend to dry out prematurely without physical damage showing. start with the large one in the middle. you should at least get 5v from one of the points. you won't get any more unless you get a signal from the main board turning the rest of the power supply on. and there's where the problem may lie.
go into the menu to find out the lamp hours. it could be the lamp, but if the projector shuts down and not just the lamp, there is either an overheating issue, or a power supply issue.
it's just a line level signal with a 1/8" stereo phono jack. there is an amp and speakers in the projector, but they're meant for presentations, so there's not much to them. but there is no audio out coming from the projector, so you'd need a separate amp and speakers coming from the ps2.
From the infocus_lp650 manual Table 2: Red LED Behavior Explanation One (1) blink The lamp won't strike after five (5) attempts. Check the lamp and lamp door installations for loose connections. Two (2) blinks The lamp counter hours have exceeded lamp life hours. Replace the lamp and reset the lamp hours counter. Optional Accessories Part Number Three (3) blinks The projector has shut down the lamp. Replace the lamp. Contact Technical Support for repair if replacing the lamp does not solve the problem.. Four (4) blinks The fan has failed. Replace the lamp (the lamp module contains a fan). Contact Technical Support for repair if replacing the fan does not solve the problem. Five (5) blinks The projector is overheating. Check for a blocked air vent. Contact Technical Support for repair if clearing the air vents does not solve the problem.
I called InFocus and was walked through several steps to determine if it was a bad cable or an internal problem. My InFocus unit would power up and stay powered up with no problem until I connected it to the computer using the analog computer cable (blue connectors). They had me try it with a different computer and then with the S-Video cable. Each time the InFocus unit powered down within seconds of connecting to the computer. The problem is internal. The unit had to be sent to InFocus for repair ($180). If the unit works with the S-Video cable then your problem is a bad cable.
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