Bypass Ballast Epson Proyector EMP-810 solved - diyAudio
Go Back   Home > Forums > General Interest > Everything Else > The Moving Image > DIY Projectors

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 9th February 2012, 02:24 PM   #1
diyAudio Member
 
Join Date: Feb 2012
Default Bypass Ballast Epson Proyector EMP-810 solved

Hi, I'm new I have read a lot of threads of the forum and finally I get to bypass the ballast of the epson emp-810. Now, I want contribute to forum:

Power up with lamp
1 2 3 4 5
0,10 grnd 3,85 1,34 3,28

Without lamp and Balast connected to the five pin
1 2 3 4 5
2,91 grnd 5,15 4,33 4,36


Without lamp and with the balast not connected
1 2 3 4 5
2,91 grnd 5,15 0,00 0,00

Note: all measurements are doing from pin 2 with the rest of pins.

Solved
Pin 1 to grownd of a screw
Join Pin 3 to 4 with a resistor of 127 ohm
Join pin 3 to 5 with a resistor of 28,5 ohm

With this the proyector dont shut down. After I will remove the ballast and in the place of it I put a transformer of laptop.

I hope to works for someone!

Sorry my english, Im spanish

regards
  Reply With Quote
Old 3rd November 2012, 01:29 PM   #2
diyAudio Member
 
Join Date: Oct 2012
Question Need similar help in bypassing infocus x10 projector

Hi there, thanks for sharing your success. I am trying to do similar bypass for my infocus x10 projector. so far no success. The voltages on the 5 pin control cable is as below
Lamp on and all working
1 2 3 4 5
0.1 gnd 5 4.17 5

No lamp and ballast connected
1 2 3 4 5
3.2 gnd 5 4.2 5

No lamp and no ballast
1 2 3 4 5
3.2 gnd 5 0 5

If i ground the 3.2 pin, the color wheel keeps spinning but it shuts down after the boot up sequence. Tried connecting variable resistance to achieve 4.17 on pin 4 but still it shuts down. Tried with an alternate led lamp also but same behavior.

Could you please tell me what logic you used to calculate the resistance that should be connected between 3,5 and 3,4 pins?

Could you compare my voltages and calculate what resistance I should use to achieve the bypass? Any other suggestions are welcome. Thanks in advance.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



New To Site? Need Help?

All times are GMT. The time now is 08:30 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2