[Coco] 15kHz LCD monitors for the Coco

Kandur k at qdv.pw
Sat Nov 8 16:45:24 EST 2014


Thanks Luis, I was affraid of that.

Kandur

Saturday, November 8, 2014, 12:28:35 PM, you wrote:
> Those things are getting harder and harder to hack because they use less
> and less components.

> Luis Felipe Antoniosi



> On Sat, Nov 8, 2014 at 2:34 PM, Kandur <k at qdv.pw> wrote:

>> My experience was similar to yours.
>> I managed to modify a Heathkit color TV
>> to accept rgb and sync signals from the Coco.
>> The characters on the 80 column screen looked great.
>> What do you think, could I modify this monitor
>> fairly easily to accept rgb and sync signals from the Coco?
>> 7" 800 x 480 RGB Digital Display Video Monitor
>> US $35.99 Free shipping Worldwide
>> http://tinyurl.com/kg5unsx


>> Kandur

>> Saturday, November 8, 2014, 6:55:36 AM, you wrote:
>> > Date: Fri, 7 Nov 2014 22:31:59 -0800
>> > From: Kandur <k at qdv.pw>

>> > Would these monitors make a good display for the Coco?
>> > Screen Size: 7 inch $40
>> > Display Component: Color TFT-LCD
>> > Number of Dots: 480W * RGB * 234H
>> > Video Frequency: PAL/NTSC7"
>> > http://tinyurl.com/pb8elxb

>> > 9 inch LCD display $52
>> > Specifications:
>> > Screen: 9-inch 16:9 TFT LCD
>> > Resolution: 800*480 Pixels
>> > System: PAL/ NTSC (video)
>> > http://tinyurl.com/ptwg5uh
>> > ===========================================

>> > They say PAL/NTSC, but appear to only have an S-video input. eBay item
>> > number: 271520428413 appears to have composite input as well as VGA.
>> Never
>> > used it, don't know how it works, but it says "reversing priority
>> > function", so it seems to have some composite converting circuitry built
>> > in.

>> > Note that any screen with composite inputs isn't going to work well with
>> > an 80 column screen. 40, and maybe the 64 character mode in monochrome.

>> > I found 64 character width to be very useable on an old B&W TV or
>> > monochrome composite monitor. Color not so good. I did a lot of word
>> > processing with Telewriter 64 (think I have the name right...) and a B&W
>> > TV on a CoCo2 (and later the updated version on a CoCo3). I printed at 64
>> > characters too, so I essentially had a WYSIWYG word processor on the
>> > CC2...



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