TK-7180
13
■ Removing the speaker hardware fixture
(J21-8481-03) and holder (J19-5468-03)
1. Remove the speaker lead from the holder hook. ( q)
2. Remove the speaker connector from the display unit con-
nector (CN901). ( w)
3. When removing the speaker hardware fixture, insert a flat-
head screwdriver at the position shown in Figure 2-1 and
tilt it in the direction shown by the arrow. ( e)
4. To remove the holder, insert a flat-head screwdriver into
tab of the holder and tilt it in the direction shown by the
arrow. ( r)
CN901
w
q
e
r
1. Precautions on Disassembly
■ TX-RX PCB (TX-RX unit B/3) Disassembly
1. Remove all screws and antenna terminals on the TX-RX
PCB.
2. Rotate the bush of the power supply cable 90 degrees
counterclockwise as viewed from the rear of the chassis
(q) and remove the power supply cable from the chassis
(w).
3. When the speaker phone jack is pushed up, using your
finger, from the rear of the chassis ( e), the TX-RX PCB is
removed from the chassis.
Note : The TX-RX PCB and D-sub PCB (TX-RX unit A/3) are
connected with a flat cable. Remove them carefully.
4. Turn the TX-RX PCB over and remove the flat cable from
the connector (CN427). ( r)
5. Remove the TX-RX PCB from the chassis.
q
w
e
CN427
r
Fig. 1-1
Fig. 1-3
Fig. 1-2
Fig. 2-1
Fig. 2-2
DISASSEMBLY FOR REPAIR