Kenwood TS-820 Manual

Also see for TS-820: Operating manual Service manual Service manual Service manual Operating manual

1Modifications for the Kenwood TS-820TS-820 Fix the problem with the displayHere is somthing you can do if your digital display on the kenwood ts-820 is giving youa problem..............1. Remove the counter assembly unit from the 820.2. Remove both circuit boards from the counter assembly ( upper and lower boards).3. Scrape away the varnish from the corners of the boards where theinterconnecting screwes and spacers hold the boards into the case.4. Reassemble the counter....That should take care of the problem..New Display Tube for DG-1The original display tube (LD-8109) used in the DG-1 digital display for the TS-820and TS-820S has been discontinued by the manufacturer. However, there is areplacement tube available. This tube is the LD-8135. It is not a direct replacement forthe original tube. The leads come out of both ends of the display tube instead of just oneas in the LD-8109. Therefore, it will be necessary to replace the complete display unit ifthe display tube fails. The part number of the new display unit is X54-1310-00.Please use this part number when ordering a replacement display unit. The new displayunit is being installed in the current production of the TS-820S and DG-1.The new display unit (X54-1310-00) is a little more involved to install than the old one.The installation is as follows:1. Remove the top cover of the TS-820 (or TS-820S) and set the unit on the benchso the front panel is facing you.2. Remove the two screws from the original display unit (save them), unplug thedisplay unit forom the counter assembly and remove the display unit from thetransceiver.3. Run the connector of the new display unit through the left bracket (from thecenter).4. Gently (but firmly) push the right side of the display unit throught the rightbracket. ( This is the most difficult part).5. Gently push the left side of the display through the left bracket.6. Install the screws from the old display in the mounting bracket of the newdisplay unit and plug the connector into the counter assembly.7. Turn on the TS-820 (or TS-820S) and make sure the display tube worksproperly.8. Replace the top cover of the transceiver.TS-520, TS-820 CW filter select control