Re: C128 parts

From: Mike Stein <*mhs.stein_at_gmail.com*> Date: Tue, 27 Jun 2017 12:28:45 -0400 Message-ID: <F0228FBE457C4732BA87620E937C6B26@310e2> · mhs.stein_at_gmail.com

Should be trivial to check the voltages; you should see 5V across the 74LS chips (diagonally, pin 16-8 or 14-7), around 9V across the big cap C106, 12V across the center and right pin of the 12V regulator U59 etc.

If not, work your way back to the power supply.

m
----- Original Message ----- 
From: "smf" <smf@null.net>
To: <cbm-hackers@musoftware.de>
Sent: Tuesday, June 27, 2017 11:35 AM
Subject: Re: C128 parts

> To rule out the switch, can't you just remove the switch and put wires 
> in it's place?
> 
> What have you tried so far to get to the switch or socket being the problem?
> 
> 
> On 27/06/2017 16:10, Terry Raymond wrote:
>> Hi
>> I didn't get any replies
>> Is there any eBay sellers that sell the following C128 parts?
>>
>> Square power socket (where power source plugs into C128)
>> Right angle power switch
>>
>> Need these I know either of these could be faulty on my Flat NTSC C128
>>
>> Terry Raymond
>>
> 
> 
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