[Coco] MicroSD Drive Pak Failure

[Guillaume Major]

Fortunately all chips are socketed. I`ll have a look at the oscillator.

Thanks!

Guillaume

----- Original Message ----- 
From: "Zippster" <zippster278-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org>
Newsgroups: gmane.comp.hardware.tandy.coco
To: "CoCoList for Color Computer Enthusiasts" 
<coco-uNHYcr1XS/wmlAP/+Wk3EA at public.gmane.org>
Sent: Monday, October 27, 2014 5:57 PM
Subject: Re: MicroSD Drive Pak Failure


> Yeah, I’d check the oscillator and then start swapping out chips if they 
> are socketed.
>
> - Ed
>
>> On Oct 27, 2014, at 3:51 PM, Brian Blake <random.rodder at gmail.com> wrote:
>>
>>
>> The oscillator might be the only component sensitive to shock - not sure 
>> it would cause that problem. Another possibility is one of the IC's took 
>> an ESD hit when you dropped it. Did it fall onto carpet?
>>
>> On 10/27/2014 1:10 PM, Guillaume Major wrote:
>>> Hi guys,
>>>
>>> I accidently dropped my MicroSD Drive Pak on the floor and it's not 
>>> working anymore. When I turn on the coco, it displays the Disk Basic 
>>> copyright, the Coconet version and hangs on the MicroSD Pak detection. I 
>>> opened the cartridge and saw no apparent damage. I tried reseating the 
>>> socketed chips to no avail. I suspect the uDrive module to be the 
>>> problem. The power on led doesn't go on when I turn on the coco.
>>>
>>> If I connect the GND and VCC pins to power up the uDrive module with an 
>>> external 5 V DC source while the cartridge is unplugged, is the power on 
>>> led supposed to go on?
>>>
>>> Is there any other component in the drivepak that is sensitive to 
>>> shocks? Eprom? Oscillator?
>>>
>>> Thanks,
>>> Guillaume
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
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