Kenwood NX-300 Service Manual page 9

2. Precautions for Disassembly
■ Removing the TX-RX unit from the chassis
1. Remove the cord ASSY from the connector of the TX-RX
unit (CN900) a .
2. Remove the PTT FPC from the connector of the TX-RX
unit (CN901) b .
3. Remove the 14 screws c .
4. Anchor the screw hole of the TX-RX unit using the tip of a
pair of tweezers as shown in the figure. Then, lift the TX-
RX unit to remove it from the chassis d .
CN900
CN901
PTT FPC
b
TX-RX unit
c c
c c
c
c
c
Note: The illustration of the Sub (GPS) unit and GPS coaxial
cable is omitted.
■ Removing the TOP packing (G53-1762-02)
1. Pull the TOP packing to the left to remove the packing
that is fit into the left groove of the chassis a .
2. Pull the TOP packing to the right to remove the packing
that is fit into the right groove of the chassis b .
3. Turn back the TOP packing as shown in the figure c .
4. Remove the TOP packing d .
DISASSEMBLY FOR REPAIR
Cord ASSY
a
d
d
3. Precautions for Reassembly
■ Mounting the chassis onto the case
1. Place the key top on the chassis. Then, fit the chassis
tightly into the groove of the key top a .
Note:
Confirm that the entire groove of the key top fits to the
chassis tightly.
2. Mount the chassis onto the case b .
Note:
After mounting the chassis onto the case, if the 18-key
part on the key top or the Auxiliary (Orange) key part of
the VOL/CH packing gets stuck inside the case as shown
in the figure, return it to the normal position using a soft
tipped item (e.g., finger) c .
Prying it with a pointed metal tool such as forceps, may
damage the key top or packing.
18-key part
b
Auxiliary
(Orange) key
a
NX-300(G)
b
a
c
c
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