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TK-8180
14
■ Top packing installation procedure
1. Place the top packing over the shielding plate.
2. Fit the convex tab of the top packing into the hollow of the
chassis. ( q )
3. Fit the chassis into the groove of the top packing. ( w )
Verify that the top packing is in close contact with the
chassis.
q
w
■ Securing the Audio IC (IC417) with screws
The screws for the audio IC are 8mm screws. These are
longer than the other screws, so take care not to confuse
them.
■ FINAL shield case (F10-2489-03) installation
procedure
1. Place the shield case on the final section of the TX-RX unit
(B/3).
2. The shield case is installed on the positioning boss of the
chassis by pushing down on “PUSH2” (on the shield case)
while pushing “PUSH1” (stamped on two parts on the
shield case) to the right.
■ Power supply cable installation procedure
1. Pass the power supply cable through the chassis hole
( q ) as shown in Figure 4-1 and insert the bush into the
chassis hole.
2. Rotate the bush of the power supply cable 90 degrees
clockwise as viewed from the rear of the chassis. ( w )
3. Align the ignition sense connector (yellow) of the power
supply cable around the chemical capacitor (C801) and
connect it to the TX-RX unit (B/3) connector (CN804).
4. Align the + (positive) terminal of the power supply cable
(red) as shown in Figure 4-2 and fix it to the terminal strip
with a screw.
5. Align the – (negative) terminal of the power supply cable
(black) as shown in Figure 4-2 and fix it to the terminal strip
with a screw.
IC417
CN804
Black
Red
C801
2. Precautions on Reassembly
■ TX-RX PCB (TX-RX unit B/3) Reassembly
1. With the TX-RX PCB turned over, insert the flat cable from
the D-sub PCB (TX-RX unit A/3) into the connector
(CN427) on the TX-RX PCB.
2. Place the TX-RX PCB at its original position, tilt the TX-RX
PCB and install the chassis as shown in Figure 3.
Fig. 3
w
q
Fig. 4-1
Fig. 4-2
Fig. 5
DISASSEMBLY FOR REPAIR