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Author Topic: Bandswitch for TS520  (Read 3023 times)
KJ6TSX
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Posts: 116




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« on: June 17, 2012, 02:35:41 PM »

I am looking for a band-switch for a Kenwood TS520 the part number is S10-1101-05 any suggestion would be greatly appreciated
George
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KE4DRN
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Posts: 3721




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« Reply #1 on: June 17, 2012, 08:52:10 PM »

Hi,

try KE5FTF@mail.com bob mansker

join other kenwood 5xx/8xx hybrid fans here

http://groups.yahoo.com/group/TS-520_820_530_830/

73 james
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KJ6TSX
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Posts: 116




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« Reply #2 on: June 18, 2012, 08:49:13 PM »

Found the band-switch at www.hifissb.com did not have it listed so I left a email and they responded the next morning that they did have it. Only downside it's coming from Great Brittan
Thanks
George
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AD4U
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Posts: 2157




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« Reply #3 on: June 19, 2012, 05:27:00 AM »

I consider myself to be a slightly above average tech.  Last night I looked at the bandswitch assembly inside my TS-520S.  If the TS-520 is anything like the TS-520S, this will be MAJOR surgery.  Good luck.

Dick  AD4U
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K8AXW
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Posts: 3725




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« Reply #4 on: June 19, 2012, 10:09:28 AM »

Dick:  I've looked at the bandswitch on my Kenwood TS-830S many times and decided long ago I'd rather remove my own appendix than replace a bandswitch or even a bandswitch wafer!!!!

..... it guess if it's a question of changing one out or trashing the rig, I guess I'd have a go at it.   Grin
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W5INC
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Posts: 38




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« Reply #5 on: June 19, 2012, 12:29:05 PM »

http://www.k4eaa.com/bandswitch.html

 If the 520S has the same type of wafer switch as the 530/830s radios you might be able to use this fix from K4EAA's website for Kenwood hydrids. Ken is very knowledgeable on Kenwood hybrids and does sell parts also to fix these fine Kenwood radios. Good Luck on your project.  Smiley
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K8AXW
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Posts: 3725




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« Reply #6 on: June 20, 2012, 08:33:24 AM »

INC:  Many thanks for the link.  This one is a "keeper."  As an owner of the TS-830S, I always file information on repairing this fine old transceiver.

My thanks also to K4EAA for taking the time to post this information.  Good job OM!

K8AXW
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KA5N
Member

Posts: 4380




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« Reply #7 on: June 21, 2012, 12:11:01 PM »

The conductive ink treatment might be a good fix for bandswitch problems on Heath
SB  series transceivers as well.  They relie on swedged contacts on the bandswitches
which are built onto phenolic circuit boards.  These dudes can be a real "B" to repair
for the frequent bad connection.
Allen KA5N
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KJ6TSX
Member

Posts: 116




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« Reply #8 on: June 21, 2012, 08:50:11 PM »

The band-switch on the 520 is different than the 520s or 820, Didn't look to hard to change, just mark the wires and make sure it's in the right position.
On my rig the wiper that contacts the pad was completely burned off, Silver ink wouldn't work
George
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