[Coco] [Spam] Re: Well... My TDP-100 is in sad shape.

[Simon Jonassen]

RE: lead free solder....

Darn nasty stuff to work with and it eats soldering iron tips faster than i
don't know what....

Luckily i still have a whole pound of lead stuff...

/Simon :-)
 

-----Oprindelig meddelelse-----
Fra: Coco [mailto:coco-bounces at maltedmedia.com] På vegne af Joe Grubbs
Sendt: 3. marts 2015 18:04
Til: CoCoList for Color Computer Enthusiasts
Emne: [Spam] Re: [Coco] Well... My TDP-100 is in sad shape.

I like the keyboard... those are super rare. I have to say, you're the first
person I've "met" with an actual TDP. Please never get rid of it! :)

Did you buy lead-free solder? Call me old fashioned (or environmentally
irresponsible), but I still try to get the good ol 60/40 leaded stuff. Seems
the lead-free solder needs more heat and is much more conducive to forming
cold joints.




> Date: Mon, 2 Mar 2015 22:57:48 -0500
> From: alhartman6 at optonline.net
> To: coco at maltedmedia.com
> Subject: Re: [Coco] Well... My TDP-100 is in sad shape.
> 
> For today’s installment of “This Old Coco” I managed to dig out batteries
for my digital camera and take pictures. 
> 
> Here is a picture of my well used/well loved TDP-100 that has seen better
days, and needs some TLC. You can see the AC power switch, and the AC bulb
for power.
> 
> https://flic.kr/p/qv16mZ
> 
> Here is the insides (You can see the broken switches, and the two wires
unattached from the Mark Data Composite Adapter. I know where the blue wire
goes, I have to figure out where the green one goes. Reset switch in upper
left corner underneath system – you can see the wire running to it.):
> 
> https://flic.kr/p/quMWa7
> 
> Closeup of original Lowerkit (Notice the heatsink on the SAM – Spectrum
Projects used to sell these):
> 
> https://flic.kr/p/rrG9v9
> 
> Closeup of the Mark Data Products Composite Adapter:
> 
> https://flic.kr/p/rrG9JL
> 
> I tried soldering bridges across the connections on the power supply. The
new solder I bought is crap, and won’t flow right. I ordered some more. So,
that will have to wait. The double sided tape under the MDP composite
adapter dried out, and it broke loose, hence the two detached wires. I have
to buy some double stick foam tape at the Dollar Store. 
> 
> I’ll probably de-solder the F4 key station and transplant it to the broken
key. I’ll have to put a sticker on it, or find a replacement keycap. I might
find the original in a box someday.
> 
> BTW... Which chip do I need to change out to speed up the serial port? I
might as well do it while I’m fixing everything else.
> 
> -[ Al ]-
> 
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> Coco at maltedmedia.com
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