K1 build Alignment and Test Part II

[John Wiener]

Just did all the resistance checks after visual inspection.

About to do DC measurements and I note BLANK LCD...it is lit but no  
error message.

Had the LCD working during Alignment and Test Part I

Where should I begin my " quest "  ?

Thanks

John
AB8O
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[Don Wilhelm-4]

John,

The most obvious is to begin looking critically at your soldering.  
Things that worked the last time it was tried and now do not work
usually add up to a bad or intermittent connection.  Check the front
panel board over carefully, and examine pin 1 of each IC, the round
solder pad at the pin 1 location is often skipped and later found
unsoldered.

73,
Don W3FPR

John Wiener wrote:

> Just did all the resistance checks after visual inspection.
>
> About to do DC measurements and I note BLANK LCD...it is lit but no  
> error message.
>
> Had the LCD working during Alignment and Test Part I
>
> Where should I begin my " quest "  ?
>
> Thanks
>
> John
> AB8O
>  
>

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