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| Infocus X1/X2 Lamp & Ballast Bypass - Click HERE for Original Thread |
| crazifunguy |
I just picked up a cheap Infocus X2 projector that I want to mod and play with alternative light sources. I have the projector apart and I have taken some voltage measurements. I was able to find a troubleshooting guide but no schematics were included just connections.
2 of those connections got my attention.
Lamp Enable
Lamp Lit
After doing some testing I find that when there is no bulb the voltages are as follows
Lamp Enable -2.11v
Lamp Lit .95v
When the bulb is inserted and powers on
Lamp Enable 1.07v
Lamp Lit 4.04v
I tried unplugging those 2 leads. When the Lamp Enable is dissconected the projector will act like there is no blub. When the Lamp Lit is dissconected the projector will not function at all. I am guessing that the Lamp Lit is the bypass but it seems that I need to feed this 4 volts. I am going to follow the traces and see what components these connections leadto but does anyone have any ideas as to the method of bypassing this ballast?
Pic from the repair manual.
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| crazifunguy |
| Well after some following of the circuits and some testing with my meter I found that that pinout was way off. I must have a newer revision. It ended up being pin 14 through a 10ohm resistor to ground lets the projector turn on and stay on. Now I need to pick a lamp source to play with. LET THE FUN BEGIN!!!! |
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| rhh1095 |
I would love to find a cheaper alternative to the Hg-Vapor lamps used by InFocus. Does anyone know where you can purchase the bulb so I can relamp the housing I have?
The house is shown here. |
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| crazifunguy |
| I have had very good results using 50W 5000k HID lamps used in auto applications. They output 4500 lumens and fit inside the stock reflector. You have to use an external ballast but the bulbs are super cheap $25 and last just about as long as a stock bulb...only downfall is the external 12V ballast. |
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| mbates14 |
| and the price of those ballasts. |
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| nightravennty |
Hello everyone.
I am having a terrible time finding just the bulb for our projector.
we have a InFocus X1
I took out the housing or ballast maybe any way i have it all open so i can remove just the bulb with the power plug........is there and way to find this part instead of buying the whole $300 housing.
we dont have that kind of money.
It completely suprised us we were sitting watching a movie and the next thing you know there is a huge BURSTING POP!!!
It was the bulb. :( :(
thank you for any help.
Natalie |
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| bukludz |
| good day! pardon me witch pin 14 are you stating could you give me a pick coz I'm planning on buying an x2 model with dead buld. Thanks in advance. |
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