Drew wrote:
> On Nov 14, 7:45 am, Drew  wrote:
>> On 14 Nov, 06:12, Polymorph  wrote:
>>
>>
>>
>>> On Nov 14, 11:38 am, Drew  wrote:
>>>> Hi,
>>>> After a bit of help again :-). I managed to pick up a
Philips CM8833-
>>>> II monitor today and was wondering if i needed to do
anything special
>>>> to get it to work? I did do a search of the forums but didn't find
>>>> anything specific. Looking at the pinouts it would seem I should be
>>>> able to use the cable I have for my Commodore 1084s, but
when i use it
>>>> the picture just rolls i.e not in sync.
>>>> The cable I made for the 1084s is cabled as per the faq and i get a
>>>> stable picture on my 1084s monitor...though red isnt very good.
>>>> The only information i have found on the pinouts for the philips
>>>> monitor are:-
>>>> 1,2 - Ground
>>>> 3 - Red
>>>> 4 - Greem
>>>> 5 - Blue
>>>> 7 - Status RGB
>>>> Any suggestions?
>>>> Many thanks
>>>> Andrew
>>> It may be like the 1084S monitor that I have hooked up to my daughters
>>> IIgs in that it requires a small value resistor between composite
>>> synch and ground.
>>> I refer you to the relevent thread
here:http://groups.google.com.au/group/comp.sys.apple2/browse_frm/thread/7...
>>> Have a read through that and see if it sounds familiar. The solution
>>> presented within that thread did fix the problem for me - the monitor
>>> in question has now been in use for nearly a year.
>>> If you get stuck or need pics of what I did, let me know and I'll see
>>> what I can do.
>>> Cheers,
>>> Mike
>> Hi Thanks for the comments guys. I don't have a resistor to hand, but
>> will try some of the comments about connecting the composite sync to H
>> and V sync and possibly try sync on green.
>>
>> Cheers
>> Andrew
> 
> Hi,
> 
> Well i got the monitor to sync putting the composite sync onto pin 2.
> Though was a bit disappointed with the picture as wasn't as clear/good
> as the 1084s-d2 monitor I have (well ignoreing the weak red
> colour ;-)). Had thought they were based on similar tubes....getting a
> nice collection of monitors though ;-)

It's almost certainly not the tube, but the adjustments or the
internal "matrix" resistors used to set the color mixes.

The issue of clarity or resolution is another matter.  That can be
limited by the dot pitch of the tube, by the bandwidth of the video
amplifiers, or by focus adjustments.

-michael

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