Kenwood TS-820 Marine Radio User Manual


 
AF-AVR BOARD 1x49-1080-00)
FIX-vox
BOARD
1x50-i350-001
This Board represents the final stage of the receiver circuit.
Thls Board incorporates the fixed channel oscillator. the VOX
holdlng an
AF
amplifier and a 9V power stabilizer. The fre-
(voice control) circuit controls voice operated transmission.
quency characteristic of the AF amplifier can be varied for the side tone oscillator to monitor
CW
signals and the vol-
CW
and
SSB
operation. tage generator circuit for the block bias circuit I-6Vl.
Fig. 20 AF-AVR Board
FIX-YOX
LX50-1350-00,
L
--------------------
1
Fig. 21 FIX-VOX Board