[ICOM] IC4KL - no 40 volts

[Dave]

Good evening, Joe;

Can I get copies of the factory docs, especially the modifications?

I have the service  and operating manuals.

Dave, W5Wp

On 3/24/2015 7:16 PM, Dr. Joseph Mesh wrote:
> I have all of the factory documentation available for the IC-4KL.   I also
> have the most frequent modifications saved as well.    I have only needed to
> open the unit once and that was to do the Euro conversion with the factory
> parts (primarily to add 10M)    The old 4KL has been sitting on my desk at
> work pumping out RF ever since.   Loud (noise in room)!   But reliable.
> Lots of power and never goes down.   My Alpha (8877s at home QTH) I have
> been forced to service MANY times since the late 70s! (tubes out twice, vac
> relay twice, lots of fuses!, air variable arches resulting in shorting to
> ground through electrodeposition of aluminum created by dust induced HV arc)
>
> Thank you - Joe / W8SS
> Dr. Joe Mesh, D.M.D., C.A.G.S. (Prosthodontics)
>
>
>
>
> -----Original Message-----
> From: Icom [mailto:icom-bounces at mailman.qth.net] On Behalf Of Jim
> Sent: Tuesday, March 24, 2015 5:25 PM
> To: ICOM Reflector
> Subject: Re: [ICOM] IC4KL - no 40 volts
>
> 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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