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TK-701S
7. LED replacement
(Proceed after step 3.)
Replacement:
1) Remove one screw holding the LED circuit board to the
front panel.
3) Remove the metal plate securing the panel.
4) Using a 5 mm
or 13/64 inch drill, carefully open the
CALL LED mounting on the front panel.
Protect the
panel face from scratching.
qr
"OF
O
O
4
LED circuit
board
Fig. 5-13
2) Replace the LED
as required.
Note
terminal
polarity
when replacing.
8. Installing a Yellow CAL (CALL) LED: PY5534S for
D903
1) Remove one screw securing the LED PCB to the front
panel.
2) Solder
the
CAL
LED
to
the
LED
circuit
board.
Observe polarity.
(TX)
CAL
(BSY)
Fig. 5-14
x 5 mm or 13/64 inch
Fig. 5-15
5) Use a countersink
to finish the outside
edge of the
hole on the front panel.
6) Reinstall the LED PCB board. (Now has three LEDs)
7) Reinstall
the threaded
metal
plate to the front pan-
el.
9. Channel illumination lamp replacement
1) To remove the channel knob from the switch, pull UP.
2) Remove the old lamp from the keyway on the channel
switch
mounting
plate and replace with a new
lamp
assembly.
IIlumination lamp: B30-0829-05
Proceed after item 3.
Unplug
Lamp assembly
(with connector)
Fig. 5-16
5-4
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