[Coco] CoCo2 PAL version service manual

Zippster zippster278 at gmail.com
Thu Jan 8 13:12:19 EST 2015


Definitely a temp-controlled iron is one of the first things to get if you
are going to assemble more than a few boards.
I bought one of these about a year ago, and it’s been one of the best
$100 purchases I’ve ever made.  They’re even cheaper now.
A couple of hundred thousand solder joints later, it’s still working great.  
I used a $20 (or so) Radio Shack soldering iron before it, and I almost 
cringe at the thought of going back to it, lol…

The hot air is a nice option too, I’ve used it on smd stuff a few times,
although a properly used iron is often quicker and easier for a lot of that.

<http://www.ebay.com/itm/2-IN-1-HOT-AIR-SMD-REWORK-SOLDERING-IRON-STATION-w-5-tips-s4-852D-/331441138511?hash=item4d2b6e6b4f <http://www.ebay.com/itm/2-IN-1-HOT-AIR-SMD-REWORK-SOLDERING-IRON-STATION-w-5-tips-s4-852D-/331441138511?hash=item4d2b6e6b4f>>

I bought one of these recently, when it became painfully obvious I was going
to need an oscilloscope when working with video circuits.  Being able to see
the signals in a circuit really opens your eyes to exactly how blind you were to
what was going on before.

<http://www.ebay.com/itm/HANTEK-200MHz-Digital-Storage-Oscilloscope-DSO5202B-/221584092234?pt=BI_Oscilloscopes&hash=item339770ec4a <http://www.ebay.com/itm/HANTEK-200MHz-Digital-Storage-Oscilloscope-DSO5202B-/221584092234?pt=BI_Oscilloscopes&hash=item339770ec4a>>

In my opinion an oscilloscope is needed for anything beyond basic circuit debugging and
repairs.  Otherwise you end up guessing in the dark way too much.

- Ed




> On Jan 8, 2015, at 11:32 AM, Daniel Campos <daniel.campus at gmail.com> wrote:
> 
> Hi Gene,
> 
> 2015-01-08 14:28 GMT-02:00 Gene Heskett <gheskett at wdtv.com>:
> 
>> 
>> 
>> But the scope is first, because without it, you are so blind that the
>> soldering iron might as well be left unplugged.
>> 
>> Please don't take this as a rant Daniel, but as friendly advice from
>> someone who really has been there and done a lot of "that". Nearly 70
>> years worth of BTDT. Tested and passed for certificates (A C.E.T.) and
>> licenses (FCC 1st Phone) along the way. Bought a few T-Shirts along the
>> way too. ;-)
>> 
>> 
>> 
> Yes, a scope is a formidable tool for a hobbyist, but I always left it
> aside for other concerns. In fact I also need to acquire a temperature
> regulated solder iron and one of those Hako desoldering guns, those are
> impressive!
> 
> 
> 
>> Cheers Daniel, Gene Heskett
>> --
>> 
> 
> Regards,
> Daniel
> 
> -- 
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