Re: I,Robot help...

From: <>
Date: Tue Nov 23 2010 - 07:38:37 EST

I replaced the monitor in my I, Robot with a WG 4900. I just added a seperate isolation transformer and ran power to it.

I do have a working Disco chassis that came from the original monitor available. The horizontal width coil is cracked and needs to be replaced.


-----Original Message-----
From: Jess Askey <>
To: rasterlist <>
Sent: Mon, Nov 22, 2010 10:45 pm
Subject: RASTER: I,Robot help...

Can someone with an I,Robot help me out... Im trying to find a replacement monitor and keep mine stock and I can't really find any docs that go into detail about the monitor in the I,Robot.

Here is what I find in the docs....

1. the monitor is powered by the Switching power supply and gets 145VDC.
2. Because of the power configuration, the monitor does not need an isolation transformer (the isolation is actually the switching power supply)
3. The I,Robot schematic package shows..
    a. monitor power going from the Switching power supply to P26 on the 'Video Display'.
    b. degaussing coil going from the Switching power supply to P2 on the 'Video Display'
    c. the RGB+S inputs from the game PCB to J205A and J205B
4. Looking at the various disco monitor pinouts on the internet, I can't find any monitor that has these connectors (P26, J205, J2)

I looked at these monitors on arcarc...

TM-210 Disco Display
TM-254 Amplifone Raster Monitor

Neither seem to have these connector designations or pinouts. I thought perhaps that the monitor was simply hacked and they fed the 145VDC directly into the 120VAC input. But I just haven't been able to find any monitor documentation that matches the I,Robot schems.

So... with all that... can someone with an I,Robot pop the back off and take some detailed pics of their monitor and see what model they have and if it is modded in any way???

What a great Thanksgiving project!!!!! :-)



Jess M. Askey
ASCII Solutions - Software Design and I.T. Services
3315 Buntwing Ln
Fort Collins, CO 80524
** Unsubscribe, subscribe, or view the archives at
** Please direct other questions, comments, or problems to
Received on Tue Nov 23 07:38:52 2010

This archive was generated by hypermail 2.1.8 : Sat Nov 27 2010 - 15:50:00 EST