[Coco] Coco 3 with problems, can anyone help me troubleshoot?

[Mike Rowen]

Have you checked your cassette cable? 

On Feb 11, 2012, at 8:45 PM, haywire666 at aol.com wrote:

> I removed and thoroughly cleaned the gime chip and socket. no gook or noticable grime to speak of though when I started....
> 
> 
> Interestingly no more garbage screen bootups so cleaning the gime chip and contacts did something, but when I try to CLOAD the same
> problem happens (S character in upper left hand corner of screen) tape plays and machine locks in that state...
> 
> 
> Motor on/motor off commands work.
> 
> 
> audio on and audio off commands work.
> 
> CSAVING appears to work. At least I think so... With audio on, I hear a bunch of buzzing when what I saved is played back...
> 
> 
> Steven
> 
> 
> 
> -----Original Message-----
> From: haywire666 <haywire666 at aol.com>
> To: coco <coco at maltedmedia.com>
> Sent: Sat, Feb 11, 2012 8:20 pm
> Subject: Re: [Coco] Coco 3 with problems, can anyone help me troubleshoot?
> 
> 
> 1) I have a ccr radio shack cassette I just got from cloud9. 
> 
> 
> 2) When I use audio on commands I can hear stuff from the tape, but its been 
> years since I heard a data tape. Sounds right from what I recall.
> 
> 
> 3) When I cload, the tape indeed starts, I get an S in the upper left corner of 
> the screen. The tape stays on forever. The machine's state never changes, even 
> when I left it for an hour.
> 
> 
> 4) I don't have a prerecorded tape to check. I am just now getting back to cocos 
> (My first computer love) after many years off...
> 
> 
> 5) I don't think its high speed poked, I boot the computer the cursor looks 
> regular speed, when I try it from clean cold boot this happens.
> 
> 
> 6) Someone else suggested pulling and cleaning the contacts of the gime chip. 
> Just got back from radio shack, got an extraction tool... so I'm trying that 
> now.
> Pulled the chip, both the chip and the sockets contacts look really dingy and 
> dirty... so I hope maybe thats it. I'm going to go work on this now will post 
> results.
> 
> Thanks for everyone's help... Hopefully my poor coco3 will be feeling much 
> healthier soon!
> 
> Steven
> 
> 
> 
> -----Original Message-----
> From: Arthur Flexser <flexser at fiu.edu>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Sat, Feb 11, 2012 6:54 am
> Subject: Re: [Coco] Coco 3 with problems, can anyone help me troubleshoot?
> 
> 
> You might narrow down things by using the AUDIO ON command to see if
> the tape sounds normal when it is saving and when you attempt to load
> a program.
> 
> Also, make sure you aren't in the double speed mode;  the cassette
> routines must be patched to work properly at that speed.
> 
> When you say it "just hangs", I assume you've verified that the tape
> is advancing properly?  Do the MOTOR ON and MOTOR off commands
> function?
> 
> Art
> 
> On Sat, Feb 11, 2012 at 5:12 AM,  <haywire666 at aol.com> wrote:
>> 
>> I have a color computer 3 with some problems. I thought it was a cold solder 
> joint or something. Occasionally it would not boot right (I'd get a garbage 
> screen) The real problem however is that once its working, I can save programs 
> with csave to cassette, but when I try cload, I get an S on the upper left 
> corner of the screen and then it just hangs.
>> 
>> Has anyone seen this before? Can anyone give me some trouble shooting tips? 
> Not being able to save programs (just bought a cassette for that purpose) is 
> driving me kind of nuts.
>> 
>> 
>> 
>> 
>> 
>> 
>> Steven
>> 
>> 
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