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Main => Monitor/Video Forum => Topic started by: gatordad on September 27, 2008, 11:31:28 pm

Title: loss of all color but still have picture
Post by: gatordad on September 27, 2008, 11:31:28 pm

Alright I'm confused what would cause this. I have swaped 2 different boards so it's definitely monitor related. I give the cab a shake and color comes back after the jiggle. connection issue or something else.
It's a WG u5000

Title: Re: loss of all color but still have picture
Post by: Ken Layton on September 27, 2008, 11:44:52 pm

First check for bad solder joints. Then check resistor R811 on the main board. It is supposed to be 100k resistance.

Title: Re: loss of all color but still have picture
Post by: qrz on October 03, 2008, 06:54:04 pm

hmmm, r811 is on the abl line ....
if open , i'd think the pic would be dim/ washed out rather than "no color" . 
also check c805, c808 ( 2.2uF/200v ) and c810 (10uF/63v)

qrz

Title: Re: loss of all color but still have picture
Post by: SirPeale on October 03, 2008, 07:14:52 pm

Quote from: qrz on October 03, 2008, 06:54:04 pm

hmmm, r811 is on the abl line ....
if open , i'd think the pic would be dim/ washed out rather than "no color" . 
also check c805, c808 ( 2.2uF/200v ) and c810 (10uF/63v)

qrz

That does happen, but a lot of the time you get a dim B/W picture when R811 goes.