Kenwood Large Format Schematics

by Ken, K4EAA

Nice, High Resolution Stuff . . .

I've found that the fold-out schematics in my Kenwood manuals tend to get ragged pretty quickly.  I refer to them all the time while I'm doing repair and restoration work, as I'm sure you do.  We can only fold a paper so many times before it becomes two or three pieces of paper!   Additionally, the details are so small, I find that I need serious magnification to read the symbols accurately.

Most of the schematics I've found on the Internet are poor resolution, sometimes unreadable.  They are usually presented in 2 or more randomly split, crooked sections as well.  What I needed were complete schematics, renewable, that were big enough to read easily.

The solution is to accurately scan and join the schematics into high resolution images that can be printed at sizes up to 36" wide with very high detail.  This allows me to comfortably read the schematic without need for anything other than my normal reading glasses.   If you print these schematics 36" wide, they will be approximately double the size as given in the service manuals, which turns out to be just about right!

Kinkos can print pages up to 36" wide, if you either use their online service, or hand-carry a CD into one of their locations.  I'm sure other office-supply stores can provide large format prints as well.  My printer is limited to legal size, which is even smaller than the schematics Kenwood provides!

These images will be provided in PDF format, in color as the little snippet above demonstrates.  They are annotated with nominal operating voltages, to assist in troubleshooting.   I will provide new schematics as time allows, and if you don't see your hybrid listed, check back often.  I cannot provide them on request, as there is quite a bit or work involved in creating a new, carefully joined schematic image with my present equipment.

See my parts page at http://www.k4eaa.com/parts.htm to order large format schematic prints!

FREE DOWNLOADS

Kenwood TS-830S  Schematic, Rev III  (up to 36" wide)

TS-830S.pdf 

PDF 4.9MB

TS-830S PLL Schematic

TS-830S_PLL.pdf

PDF 1.8MB

TS-830S Counter Schematic

TS-830S_Counter

PDF 675KB

Kenwood TS-820S Schematic (up to 36" wide)

820_main.pdf

PDF 3.7MB

TS-820S AF board

820_af.pdf

PDF 912KB

TS-820S CAR board

820_car.pdf

PDF 1.3MB

TS-820S Coilpack board

820_coilpack.pdf

PDF 852KB

TS-820S Final board

820_final.pdf

PDF 164KB

TS-820S FIX board

820_fix.pdf

PDF 1.3MB

TS-820S IF board

820_if.pdf

PDF 3.4MB

TS-820S PD board

820_pd.pdf

PDF 500KB

TS-820S RF board

820_rf.pdf

PDF 1.1MB

TS-820S VCO board

820_vco.pdf

PDF 2.4MB

TS-820S VFO board

820_vfo.pdf

PDF 972MB

Level Diagrams.  (GREAT for troubleshooting!)

 

 

TS-520S Transmit

520T_level.jpg

JPG 47KB

TS-520S Receive

520R_level.jpg

JPG 62KB

TS-820S Transmit

820T_level.jpg

JPG 34KB

TS-820S Receive

820R_level.jpg

JPG 55KB

Miscellaneous

 

 

MC-50 Wiring & Operators Manual  (How to install the Plugs) MC-50.pdf PDF 383KB
DK-520 Schematic (Needed for DG-5 on TS-520) DK-5.pdf PDF 143KB

Special Thanks to Les, K8WVG for assisting greatly with the TS-820S Schematics! 

More will be added as time permits.  Please check back and click "Refresh" to see the latest additions.

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All Photos and content copyright 2005, 2006 K4EAA, Ken Kemski.



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