Ordering Spare Parts; Adjustments - Kenwood TS-850S Instruction Manual

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 1. Plug MIC in.
in.
2. Low microphone gain. 2. Increase the MIC gain control.
3. Poor antenna connection.
3. Connect antenna securely.
VOX does not operate.
1.
GAIN control too low. 1. See section 4-1-2, GAIN control.
2. ANTI control too high.
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 1. Move the switch as described in
panel was not turned ON. section 6-6-5.
2. REMOTE connector is miswired, 2. Correct wiring.
or has a poor contact.
Amplitude modulation does not PROC switch is ON. PROC switch is OFF.
work.
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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