Panasonic RF-4900 / DR-49 shortwave receiver
Service Manual and Circuit Diagram
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Panasonic RF-4900 / DR-49 shortwave receiver<br>Service Manual and Circuit Diagram<br> <font color=red>New!</font>
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Very popular radio system, produced from 1978 till 1983. Excellent sensitivity, comfortable using, quality sound. Frequency range - АМ/SSB: 535-30150 kHz, FM: 88-108 MHz. Available BFO Pitch. Possible to connect external antenna. Also operates from eight D cells. The RF-4900 is similar to the earlier RF-4800, but with a green fluorescent digital display rather than a red LED digital display. AM and FM frequencies are digitally displayed. RF-4900 has been sold outside the United States as the model DR49.

So, the RF-4900, the same DR-49 is what it is. It's a nice sounding tabletop set that was designed to satisfy the listening needs of the average non-technical SWL'er. I think it does that very well. It is fun to use and has very pleasing, loud undistorted detected audio. Panasonic did something right in that area. Sure, it's not as stable as an Icom Pro in the SSB department...but touching up the BFO every once in a while was part of the radio experience thirty years ago. It does do a respectable job of SSB for casual listening. Sensitivity seems fine.

The Panasonic RF-4900, DR-49 shortwave receiver Service Manual. This service information is designed for experienced repair technicians only and not designed for use by the general public.


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We are in business since 2002 and do our best to give our customers perfect service!

  mirza subing 2008-02-20 08:03:51  
  thanks for you give my software if you want helped call me now
  bad boy 2019-08-26 17:44:39  
  I need a key for a Canon G1100, it´s the same key for serie G1000? and when I try to buy say EPSON Art700, what can I do? I need a key for my canon
  Stan Thunder 2011-11-30 01:08:34  
  Always concerned that these things don't work but this time - really happy to say the long distance (USA-UK) fix worked perfectly. Thanks and kind regards
  Silvia Brandmeier 2021-10-25 17:32:04  
  It is end of October 2021. I just have bought the second reset key in my printers life. The first one I bought in 2015 !!! That means my printer had already it's life prolonged by 6 years and goes now into the second reset cycle. Keep up the good work to prevent valuable electronic hardware becoming garbage. I never had any trouble in 6 years with the ink waste pad after resetting the counter for the first time.
  Kazi Fakhrul Islam 2008-11-25 15:22:30  
  I\'ve downloaded the Epson R1800 manual. At a quick glance this is just what I need to repair/service the beast! Great service at a reasonable price - Thanks
  yuri loya 2019-06-03 19:23:45  
  Wow! Epson wanted standard charge of £118.80 to replace my ink pads. So I bought a set for about a fiver (on eBay). But then Epson would not provide a reset code - they still wanted £118. 80. Then I came across this service and hey presto they provided a code for under a tenner. They deserve all the business they can get. Well done. From Ken Fuller
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Service Manual and Circuit Diagram
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