Motorola MCS 2000 Service Instructions Manual page 68

5-20 Disassembly & Reassembly and Replacement Procedures: Replaceable Pushbuttons Replacement Procedure
• while the control heads is assembled.
Replacement in Disassembled Control Head
To replace buttons in a control head that is already disassembled, follow the procedure below.
1. Pull replaceable pushbutton up and out of housing.
2. Replace buttons as necessary per
Numbers," on page
3. Place the keypad into the control head housing.
4. Snap the light pipe into the housing. Alternate engaging snaps on each side for best result.
5. Make sure that both the volume knob and potentiometer are both fully in the counter clock-
wise position before assembling the board into the housing.
6. Snap the board assembly into the housing.
7. For model "II" only, attach the large rotary knob.
Replacement in Assembled Control Head
To replace buttons in a control head that is already assembled, follow the procedure below:
The replaceable style pushbuttons have two expandable tabs on the inside edge, one on the top and
one on the bottom. When expanded, these tabs press against the inside surface of the control head
faceplate and hold the pushbutton in place. To replace a pushbutton, refer to
5-28 and proceed as follows:
!
C a u t i o n
1. Grasp pushbutton to be removed with flat end pliers (Motorola Part Number 6685629A01) as
close as possible to control head faceplate (as shown in
!
C a u t i o n
1. Compress pushbutton just enough so that the tabs can clear the control head faceplate. Then
pull pushbutton away from control head.
2. Orient the new pushbutton so that legend is oriented correctly.
NOTE: No tools are required to perform Step 3 below.
3. Snap replacement pushbutton into opening in control panel faceplate.
4. Verify that tabs on replacement pushbutton are engaged behind control head faceplate and
that pushbutton operates freely.
5. Using RSS software and manual, reprogram the radio so that replaced pushbutton has the
desired function.
December 6, 2004
Table 5-2, "Replaceable Pushbutton Graphics and Part
5-21.
Be careful to avoid damaging surface of control head front
panel when using flat end pliers to grasp pushbutton to be
removed.
In step 2 below, to avoid damage to pushbutton, compress
pushbutton only enough to allow tabs on pushbutton to clear
edges of hole in faceplate.
Figure 5-27
Figure 5-27).
68P81083C20-D
and Figure