4.6 When TR Antenna is used for CH70 WR
4-33
4.6 When TR Antenna is used for CH70 WR
When watching CH70 through TR antenna, a modification of internal wiring will be
necessary. In this case, CH70 cannot receive during VHF transmission.
Fig. 4.6.1 Antenna Connection
Connect the Mini-pin assembly (1) L-420 (Supplied material: Code 000-151-748)
between J5 on TX/RX board and J2 on CH70 RX board.
Fig. 4.6.2 Location of the connector
CH70 RX
(05P0775)
TX/RX
(05P0774A/B)
DUP RX
(05P0777)
DUPLEXER
J2
J5
J3
J1
J2
J4
ANT
CH70 RX OUT
CH70 RX ANT
ANT
ANT
DUP OUT
DUP IN1
DUP IN2
TX FIL
RX FIL
Q7
HPA
U1
T/R
SW
Jumper
Simplex only
Rx AMP
TX/RX: J5
CH70 WR: J2
Pass the Mini-pin assembly
(1) through a hole.
Summary of Contents for FM-8800
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