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Circuit Improvements and Maintenance Procedures for the TS-830S

Circuit Improvements for the TL-922 amplifier

Circuit Improvements for the TS-430S

Circuit Improvements for the TS-440S

Kenwood TS820S MH4P Relays

VFO-230 Solution For Power-Up Problems

QRP Power Control Circuits

Kenwood Serial Number Database

Kenwood Resource Service & Parts Resource

Kenwood Filter Specifications

Kenwood Microphone Specifications

Kenwood Connectors

Kenwood R-599A/D Service Notes

Kenwood TS-520, TS-820, TS-530, TS-830 Drive Sprocket Repair

Rebuilding The Bandswitch On The TS-530S And TS-830S

Final Unit Cathode/Screen Grid Protection

Kenwood TS-820 Technical Information

Kenwood TS-820 VFO Removal and Lubrication

Repainting The Kenwood Case

Kenwood Service Bulletins - All Hybrid Models

All Kenwood Service Bulletins

Kenwood Service Bulletins Through 1995

Audio Improvements For Kenwood Hybrids

Kenwood T-599A/D Modifications

Circuit Improvements And Maintenance For The TS-830S

Kenwood TS-530/820/830 Files Bandswitch Coupling Fix

Kenwood TS-830 Receiver Level Diagram

Kenwood TS-830S User Supplement

Kenwood TS-830S Rewinding L-41 RF Coil

Kenwood TS830 Survival Guide, Book #1

Kenwood Hybrid Low Or No RF Drive How To Troubleshoot

Kenwood Hybrid dBu Conversion Table

Astatic Microphone Wiring Handbook

Document name is on the right and the link to that document is on the left. 

Click on  link to the left to view the document.

Article or Document Title  -  Link to Source

Tuning instructions for Hybrids:  http://www.k4eaa.com/tune-up.htm

Tuning Instructions for Hybrids:   http://www.w0nta.com/Kenwood%Tuning%20Procedure.pdf

Large Format Schematics:   http://www.k4eaa.com/schematics.htm

Hybrid Transceiver FAQ:   http://www.k4eaa.com/faq.htm

Band Switch Repair:   http://www.k4eaa.com/bandswitch.html

RL-1 Relay Troubleshooting:   http://www.k4eaa.com/RL-1.htm 

Remote VFO Cable Assembly:   http://www.k4eaa.com/ca-24.htm

Final RF Cage Repair:   http://www.k4eaa.com/final_repair.htm

Cabinet Painting & Touchup Tips:   http://www.k4eaa.com/ptips.htm

How to Adjust TS820S 8830.700 With Optional CW Filter: http://www.k9tw.com/how-to-guides

How to Test 12BY7A Driver Stage: http://www.k9tw.com/how-to-guides

How to Test L41 Ant Step-Up Transformer: http://www.k9tw.com/how-to-guides

How to Convert TS-520X 100 watts Output: http://www.k9tw.com/how-to-guides

How to Perform RX Level Diagrams: http://www.k9tw.com/how-to-guides

Drive Coil Alignment: http://www.k9tw.com/how-to-guides

KW Hybrid Visual Inspection Guide: http://www.k9tw.com/how-to-guides

Coil Pack Alignment: http://www.k9tw.com/how-to-guides

How To Tune Up A Kenwood Hybrid Radio:  https://www.youtube.com/watch?v=bTVpQ18dn1o

TS-820S RF Speech Processor Alignment: http://www.k9tw.com/how-to-guides

What is ALC? Where should I peak it at?   https://drive.google.com/file/d/0B5NBmwIA2pskTWNGbTRidVF0UjA/edit

12BY7A Driver Stage Testing - No Test Gear:   https://drive.google.com/file/d/0B5NBmwIA2pskTGhyY2w0a0tiemM/edit

What is the correct resting plate current?  https://drive.google.com/file/d/0B5NBmwIA2pskbzgyR2JvQ2JQWDQ/view

Screen Grid "Stopper" Resistor Replacement:  https://drive.google.com/file/d/0B5NBmwIA2pskaTBoYVVKZFZtTlk/view

MH4P Relays Correct Location:  https://drive.google.com/file/d/0B5NBmwIA2pskb2Fkd2lBb3RBSU0/view

TS-520S TX Level Diagram Questions:  https://drive.google.com/file/d/0B5NBmwIA2pskMVRJNE83TnEzemM/view

TS-820S R13, R14, R55 Function and Replacement:  https://drive.google.com/file/d/0B5NBmwIA2pskOUFQMGtGNS1qdkE/view

How to Adjust TS-820S 8830.700 with optional CW filter(Low ALC Indication):  https://drive.google.com/file/d/0B5NBmwIA2pskcEFyNmkySWN6V2c/view

TS-530/TS-830 L41 antenna step-up Transformer in circuit testing: https://drive.google.com/file/d/0B5NBmwIA2pskUldfei1PaDdQVHM/view

TS-830 RX level diagrams: https://drive.google.com/file/d/0B5NBmwIA2pskYVE2dzdzVzFrZzg/view

Coil Pack alignment: https://drive.google.com/file/d/0B5NBmwIA2pskcUFWTXJ3My0wa1U/edit

TS-830S PLL Band Pass Filter Alignment Brief Circuit Description:  https://drive.google.com/file/d/0B5NBmwIA2pskdHIzQlVEcjRoQjA/edit

TS-830 Why R10? https://drive.google.com/file/d/0B5NBmwIA2pskTUtBTldKNnF0Qms/edit

How to Load a KW Hybrid: https://drive.google.com/file/d/0B5NBmwIA2pskQlNVNG5KXzZuTUk/edit

Video Links

6156 Pin Orientation video link: http://w5rkl.com/wp-content/uploads/2014/03/6146-pin-orientation.wmv

Setting 60ma idle current video link: http://w5rkl.com/wp-content/uploads/2014/03/Setting-60ma-idling-current.wmv

TS-520/TS-820 video link:  http://w5rkl.com/wp-content/uploads/2014/03/TS520-and-TS-820-Cathode-circuit-calculations.wmv

TS-530/TS-830 video link: http://w5rkl.com/wp-content/uploads/2015/02/TS530-TS830-Cathide-IP-meter-circuit.wmv

The 6146-Beam Powered Tube video link: http://w5rkl.com/wp-content/uploads/2014/03/The-6146-Beam-Power-Tube.wmv

The TS-520S/TS-820 Final amplifier PC board video link: http://w5rkl.com/wp-content/uploads/2014/03/TS520S-and-TS520SE-Final-Amp-PC-board.wmv

Using basic test equipment to measure voltage and current video link: http://w5rkl.com/wp-content/uploads/2014/03/Using-basic-test-equipment-to-measure-voltage-and-current.wmv

Kenwood 12 pin power connector wiring:  http://w5rkl.com/wp-content/uploads/2015/02/Kenwood-12-pin-power-connector-wiring.wmv

Function of the TS830 SG switch: http://w5rkl.com/wp-content/uploads/2014/03/Function-of-the-TS830-SG-switch.wmv

Function of the TS520 TS530 and TS820 SG switch: http://w5rkl.com/wp-content/uploads/2014/03/Function-of-the-520-530-and-820-SG-Switch.wmv


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