Golborne Vintage Radio

Full Version: Panasonic RF-RF4900/DR49 communications receiver
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National Panasonic  RF-490-/DR-49 Dose anyone have any information about this radio receiver. I have just purchased one of these sets, I understand it was manufactured between 1978 & 1982 but there is very little out there. I am looking for service manuals circuit diagrams/schematics and general alignment procedures. If anyone can help, It would be most appreciated. most forums are no help.
Flying by seat of your pants trying to fix a peace of complex electronic equipment without any information is not my idea of fun. 
Its great when I manage to fix it without any manual or paperwork. I am good but not that good. Great to be back by the way.
Lets hope this post yields some results. Wave
I  found these links:

http://www.radiomanual.info/schemi/RX/Pa...0_user.pdf


and

https://archive.org/details/manual_RF490...9/mode/2up

If not exact they may be relevant for your variant?

Also this which appears to relate but I haven't had a close look:

https://archive.org/details/manualzilla-...1/mode/2up

Tracy