Kenwood TS-850S User Manual download pdf (Page 74)

Note

Beat tones may be heard on the following frequencies. This is due to the internal frequency configuration of

the radio and is not an indication of any problem. It is normal.

10.000MHz, 20.000MHz, 30.000MHz

TRANSMIT

Symptom

Probable cause

Corrective action

Output 1. Microphone plug is not plugged

in.

2. Low microphone gain.

3. Poor antenna connection.

1. Plug MIC in.

2. Increase the MIC gain control.

3. Connect antenna securely.

VOX does not operate.

1. GAIN control too low.

2. ANTI control too high.

1. See section 4-1-2, GAIN control.

2. See section 4-1-2, ANTI control.

VOX trips by speaker output. ANTI control too low.

See section 4-1-2, ANTI control.

Linear amplifier does not key.

1. LINEAR AMP switch on rear

panel was not turned ON.

2. REMOTE connector is miswired,

or has a poor contact.

1. Move the switch as described in

section 6-6-5.

2. Correct wiring.

Amplitude modulation does not

work.

PROC switch is ON.

PROC switch is OFF.

6-5. ORDERING SPARE PARTS

When ordering replacement or spare parts for your equipment, be sure to specify the following:

Model and serial number of your transceiver. Schematic number of the part. Printed circuit board number on

which the part is located, part number and name, if known, and quantity desired. Part numbers for most

replacement parts are contained in the service manual (available as an option from your dealer or parts

distributor).

6-6. ADJUSTMENTS

6-6-1. Cover Removal

Removing the covers

Remove the top cover, and the bottom covers from the transceiver.

Cautions

1. Before removing the cover, turn the DC power supply’s POWER switch OFF and disconnect the power

cable.

2. Do not pull wiring when opening or pinch wires when closing cases.

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Kenwood TS-850S User Manual Page 74

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