I'm not sure if anyone has worked with them but I got one off ebay for a pretty good price because it wont power on, I will be picking it up tomorrow before I leave work.
From what I've seen (I can't find anything about this model) IN116 online but past Infocus models had blown caps or caps that just failed.. no schematics or anything like that. I assume the very lest it will have a transformer maybe the secondary side is the one that's not good? -- It's NOT Ni-kon It's NE-KON!
Now that I see this from a different angle... the first "transformer" (L101) is just an inductor for the PFC pre-regulator stage. The MOSFET and D102 on the large heatsink are also part of the PFC pre-regulator. The voltage across the main filter capacitor should read approx 390V, which is the voltage that will go to the lamp driver board as well as the main power supply.
I don't know what Q103 is doing without seeing the other side of the board, but there's possibility that it could be a switch for the 390V to get to CN101.
The MR4010 is the main controller/switcher for the low voltage power supply, whos output is on those multi-colored wires. The fact that it is getting quite warm is probably a good sign. You should be getting DC voltages on that connector with the multi-colored wires.
Well, two things are for sure, the PFC pre-regulator boost converter is not operating, and the MR4010 based SMPS is not operating either.
I don't know how this power supply was designed and can't tell from just following the traces on pictures, but it is possible that the PFC pre-regulator gets shut off to put the power supply in a low-power standby state.
So that part of it might be normal, or it might not.
By the looks of it, the opto-isolator IC204 is feedback for the SMPS, and IC203 is some sort of enable signal which turns on Q103, thereby allowing power to get to the lamp driver 390V output. However it looks like there's a related trace going toward the PFC stage circuitry, so it is possible that it serves a dual function and also enables/disables the PFC stage.
This is not without risk of screwing things up further, but one thing I'd be tempted to try would be to short the output pins (side without the dot on the case) of the IC203 opto-isolator, simulating an "enable" signal, and see if the PFC stage kicks into action (which would be evidenced by the voltage rising from 160V to its rated 390V). You should also see the presence of a high voltage at the connector for the lamp driver.
As you can tell it's kind of difficult without schematics or reverse-engineering the entire thing to really know what's going on.
The trace from pin 8 Vcc appears to go near ZD204. That's a zener diode. I suspect this is where that supply voltage is supposed to be coming from.
Hard to tell from the pictures what exactly is going on in that area, with ZD204, Q204, and Q213.
Anyways, start probing around that area. Check for shorted diodes or transistors, test voltages, etc. I suspect there may be a bad zener, or something else is loading it down. I've seen this type of failure in SMPS before.
Unfortunately I'm not sure how much further help I can provide with this one, without access to schematics.
If I physically had the power supply board in front of me I could probably figure it out, but doing this from pictures is very very difficult.
It's OK I ordered two new MR4010's from China I think the one of the board is shorted or the gate is stuck open, between the gate and source I'm seeing some resistance, that IC201 seems to be the key to having power on that side of the board, and seeing how when plugged in for 3 min and it gets that hot something can't be right.
Maybe some transient voltage or a dirty AC line wrecked the IC204 -- It's NOT Ni-kon It's NE-KON!