[Premium-Rx] JRC NRD-535D Receiver

[GandalfG8 at aol.com]

Hi Pete
 
I don't know if it's amongst those you found but I posted a scan  of the 
535 service manual to Rapidshare towards the end of  last year, the text is 
much the same as others that have been online for  much longer but the 
schematics are properly legible for a change, and this  is available in two 
versions, one with schematics in A4 and the other adjusted  to A3.
 
They can be found here......
 
http://rapidshare.com/files/3851704016/NRD535_Service_A4.pdf
 
http://rapidshare.com/files/468321193/NRD535_Service_A3.pdf
 
However, these are also scans of that same106 page manual,  this copy came 
direct from JRC in Japan in the early 90s, and as far  as I'm aware there 
was never any more detailed information released outside the  factory. If 
there was I've certainly never heard of it, not even a whisper!, and  I get the 
impression that any actual factory support dried up long ago.
 
Extender cards are very hard few and far between and users  that have them 
tend to keep them. Although I have heard of folks  making their own it's the 
edge connectors that seem to be almost  impossible to find so that might 
involve a bit of hacking of other  connectors.
 
There's a Yahoo user group at _nrd-525-535 at yahoogroups.com_ 
(mailto:nrd-525-535 at yahoogroups.com)  and  some interesting observations on the 535 here....
 
http://www.lannuier.com/ww2pt/page.cfm?content=nrd535
 
Regards
 
Nigel
GM8PZR
 
 
In a message dated 25/06/2013 09:10:42 GMT Daylight Time, ka5fun at juno.com  
writes:

Gentlemen, I recently purchased a used JRC NRD-535D HF receiver in  working 
condition, and also bought a Kiwa Electronics NRD-535 Audio Upgrade  kit 
which I have since installed. After having had time to evaluate the  
radio’s performance, I have several questions which I hope someone  familiar 
with it will be able to answer for me. Even though the receiver works  well, I 
think that it would probably benefit from a complete alignment. In  order 
to accomplish that though, I will need to locate a JRC NJZ-667 Extension  
Circuit Board; any source(s)? I have also noticed that the service manual  
commonly available on the Internet is not very comprehensive. I downloaded  
three copies from different sites, but they are all identical (106 pages) and  
are missing substantial alignment/adjustment details, etc.On the CMF-78 ECSS  
Unit, for example, the “Service Manual” only mentions a  VCO 
adjustment and nothing about the remaining three potentiometers and two  
variable inductors. I
suspect that there is a more complete  maintenance manual out there and 
wish to obtain a copy.  BTW, does JRC  still support their older equipment at 
all? Thanks, Pete  [KA5FUN]
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