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4.3 Signal Splitter Board
To use the SSB antenna (R. ANT) for routine watch keeping, the following modification is
necessary. The optional Signal Splitter (RX DIV) and W/R2 Board kit are required.
Note: When transmitting, DSC routine frequency cannot be received if R. ANT is connected
to AT-5000.
Necessary parts: Signal Splitter (RX DIV), Type: OP05-103, Code No.: 005-965-780
Name Type Code No. Qty Remarks
RX DIV Board 05P0806 005-965-120 1
Cable assy, with mini pin L-400 000-106-477 1
Cable assy, with mini pin L-600 000-161-945 1 Not used.
Cable assy, with mini pin L-140 000-522-074 1
Spacer SQ-15 000-159-299-10 4
PH connector 05-865 (3-3P) 005-965-810 1
1. Open the transceiver unit.
2. Remove the shield cover for the RX-FIL Board (05P0762).
3. Disconnect the coaxial cable from J1 on the RX-FIL Board.
4. Attach the optional RX DIV Board on the top of the RX-FIL Board, using four spacers.
RX-FIL Board
RX DIV Board
5. Attach the coaxial cable disconnected at step 3 to J1 on the RX DIV Board.
6. Connect the cable assy (L-400, supplied) between J1 on the RX-FIL Board and J3 on
the RX DIV Board.
7. Disconnect the coaxial cable from J2 on the W/R2 Board (option).
8. Connect the cable assy (L-140, supplied) between J2 on the RX DIV Board and J2 on
the W/R2 Board.
9. Connect the PH connector between J4 on the RX DIV Board and J4 on the RX-FIL
Board.
J2
RX-FIL Board
W/R Board (2)
Cable assy (L-400)
J1
J4
J1
J2
J3
J4
Cable assy (L-140)
PH connector
(05-865, 3-3P)
RX DIV Board