Re: No red with WG K6100

From: Rodger Boots <rlboots_at_cedar-rapids.net>
Date: Sun Feb 27 2000 - 14:00:12 EST

Try swapping the red with the green or blue where they come
to the monitor from the game board. This will tell you if
it is the monitor or the game board that's messing up.

Walt wrote:

> Hello all: Have a small problem with a WGK6100 in my Black
> Widow. I am not getting any red on the screen. I can get
> red, but I have to turn the screen setting way up - so
> much in fact that I see the vector trace lines. I thought
> it might be the transistor in the red portion of the neck
> board - so I swapped it out - no luck. Reading Greg
> Woodcock's repair faq on Gamearchive, he said: No red;
> check:
> on neck board:
> R500 (open)
> R502 (shorted to nearby component)
> R510 (open)
> R511 (open or wrong value)
> R520 (open; red color can be seen but is very
> weak)
> R529 (open or wrong value)
> broken wire at R517 control All are fine with the
> exception of R529. The schematics say it should be a 12K
> ohm resistor. But mine reads around 3K. I checked R530
> and R531 (which should also be 12K according to the
> schems) - they read around 3K also. Finding this a bit
> odd - I checked the resistors on the neck board on my
> Tempest and they also read around 3K. So I assume that
> they resistors are correct. Just curious why they differ
> from the manual so. Anybody have any ideas as what else I
> should check? I have a feeling the red gun needs to be
> boosted - but before I have that done I wanted to check
> with somebody else first. Thanks! Walt
>

--
Windows:
32 bit graphical interface for a
16 bit patch for an
8 bit operating system written for a
4 bit processor by a
2 bit company that can't stand
1 bit of competition.
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Received on Sun Feb 27 14:05:59 2000

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