[ICOM] IC4KL - no 40 volts

[Jim]

Dave,
    I have a 4kl at home but I'm wintering in Arizona. Will be going home next week . I have a manual and a service manual. If you have not had any luck by next week maybe my manuals will help. I'll email you when I get home. You might contact kk5dr as he has lots of experience with the 4kl  .
73,  Jim/ w0hfg

Sent from my iPhone

> On Mar 24, 2015, at 13:28, Dave <dave at wpaperman.com> wrote:
> 
> Greetings;
> 
> I have an essentially dead IC4KL on the bench. The required 40 volts required for start up is not present!
> 
> The service manual I have shows an EP102 on the REG UNIT. It is not present on this PWB. No voltage going to the DC-DC unit, a common failure item in the IC2KL (I run two if those in my station).
> 
> A call to ICOM service produced no results other than it's old; we don't support it and "there were a lot of undocumented changes that were kept by the techs on scraps of paper".
> 
> I was an ICOM "Service Only" for a number of years so I am usually familiar with the older gear.
> 
> Does any one out there  have a variant schematic of that PWB?
> 
> I would appreciate any suggestions
> 
> Dave, W5WP
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