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Kenwood TS-940S (TS 940 S TS940S) Squelch switching noise Kenwood TS-940S (TS 940 S TS940S) Signal to noise ratio improvement Kenwood TS-940S (TS 940 S TS940S) AGC circuit improvements Kenwood TS-940S (TS 940 S TS940S) AVR unit capacitor change Kenwood TS-940S (TS 940 S TS940S) PLL unlock Kenwood TS-940S (TS 940 S TS940S) Antenna Tuner Relays Kenwood TS-940S (TS 940 S TS940S) PLL unit Kenwood TS-940S (TS 940 S TS940S) VCO carrier to noise ratio improvement Kenwood TS-940S (TS 940 S TS940S) MRF-485 Driver Transistor Notes Kenwood TS-940S (TS 940 S TS940S) PA drivers replacement Kenwood TS-940S (TS 940 S TS940S) Expanded xmit Kenwood TS-940S (TS 940 S TS940S) remote relay elimination

Kenwood TS-940S (TS 940 S TS940S) bad solders Kenwood TS-940S (TS 940 S TS940S) Factory Assembly Mistakes Mods for Kenwood TS-940S (TS 940 S TS940S) : PDF Service Manual/schematics for Kenwood TS-940S (TS 940 S TS940S) : PDF User Manual for Kenwood TS-940S (TS 940 S TS940S) : Programming software for Kenwood TS-940S (TS 940 S TS940S) : Release button and the unit works on 454 Channels until the radiowill be later switched off again.If You have once switched to 454 channels, You can also toggle between channel number and frequency display by pressing FUNCTION + 2, but this onlyby touching the call button for short time.Programming interface schematics for Kenwood : Just press FUNCTION button, then press "2" and hold this key pressed for about 3 seconds. It may happen that the transceiver operate with lessperformance (output and sensitivity) or does even not lock in on all frequencies outside of the specified amateur radio range.

Tandy Support Documents Albrecht AE-485S HAM-Radio Schematic Diagram (PDF) Albrecht SS-485 HAM-Radio Schematic Diagram (PDF)įrequency extension to 454 ChannelsAE 485 can be switched temporarily from frequency mode 28-29.7 MHz into "channel mode".After the conversion, the radio can be used from 25.165 MHz to 29.695 MHz. The indicated bridges must be manufactured from the links indicated in each case to +5 Volt or GND. Programming are those pin 32, 33, 34 of the CPU. The processors SYSTEM 202 (204) with label Seung Yong are customized mask-programmed CPU's on base of the LC 72322 CPU from Sanyo. General programming guidance of LC7232 devices with Seung Yong CPU SYSTEM SY202/SY204. Adjustment Click on parts to view parts description RV1: RX-Meter