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DISASSEMBLY / REASSEMBLY
In the event internal service is required, disassemble the
radio in accordance with the following outlined steps. See
Figures 6 - 10.
Reassemble the unit by following the steps in reverse
order. Observe screw lengths and do not over tighten the
screws when reassembling the unit. Torque specifications
are listed in Table 3.
Tools Required
• TORX
T6 Driver
• M1.5 Hex Driver or Wrench
• Needle-Nose Pliers
• Small Flat-Blade Screwdriver
• Spanner Wrench (top antenna jack)
• Spanner Wrench (UDC antenna jack)
• Spanner Wrench (volume control and group/channel
switch)
Front and Rear Cover Separation
Lay the radio face down and loosen the four (4) Torx
screws (A) on the back of the radio; complete screw re-
moval is not necessary. See Figure 6. Separate the covers by
carefully lifting the Rear Cover Assembly straight-up to
avoid bending the connector pins between the RF and Con-
trol Boards.
When reassembling the unit, verify the rubber gasket
surrounding the perimeter of the cover is in good condition
and it is in the groove. Also verify the connector pins align
properly. For proper operation, the screws should be tight-
ened so there is no gap between the covers. It is recom-
mended that the top screws be tightened first while
squeezing the radio together to ensure the gap is completely
closed. The bottom screws can then be tightened.
ALWAYS remove the battery pack before disassem-
bling the unit to avoid blowing the fuse or causing
other component damage.
This radio contains CMOS ICs that can be damaged
by static electricity. Observe static handling precau-
CAUTION
TABLE 3 - TORQUE SPECIFICATIONS
LOCATION LB-IN.
Rear/Front Cover Assembly Screws 5.0
Rear Cover Assembly
Antenna Insert
UDC RF Connector
RF Board/Eggcrate Screws
PA Support Screws
Antenna Switch (SW1) Screw
10.0
10.0
4.0
10.0
1.5
Front Cover Assembly
Knob Set Screws (earlier)
Knob Set Screws (later)
Group/Channel and Volume Nuts
UDC Ground Screw
All M1.6 and M2 Screws
3.0
5.0
8.0
4.0
3.0
Figure 6 - Front And Rear Cover Separation
LBI-38378
13