W4, W5, And W7 Control Heads; Figure 5-2. Model W4 Rotary Control Head Assembly Screw And Snap Sequence; Figure 5-3. Models W5 And W7 Pushbutton Control Head Assembly Screw Sequence; Chapter 7 Exploded Views And Parts Lists - Motorola ASTRO W3 Service Manual

5-8
11. Remove the circuit-board assembly from the housing.
12. Remove the keypad [6] from the housing assembly [7].
5.6.2

W4, W5, and W7 Control Heads

NOTE: For the following procedure, refer to
on page 7-1
disassembled.
1. Unplug the microphone.
2. Remove the two front-panel screws using a 2.5 mm hex-key driver.
3. Disconnect the control cable on remote models.
4. Grasp the front panel firmly, and carefully unplug the control-head assembly from the radio or
remote control-head back housing.
5. Lay the control head face down on a clean, flat surface, being careful not to scratch or mar
the display.
6. Using a Torx T10 driver, remove the control-head screws:
- W4 Control Head: four screws [callouts 5-8], as shown in
The W4 control head has, in addition to the screws, four snap features [callouts 1-4], which
are shown in
- W5 and W7 Control Heads: seven screws, as shown in

Figure 5-2. Model W4 Rotary Control Head Assembly Screw and Snap Sequence

6
3

Figure 5-3. Models W5 and W7 Pushbutton Control Head Assembly Screw Sequence

September 26, 2003
, for the exploded view and associated parts list applicable to the model being
Figure 5-2 .
8 5
3
4
1
5
Troubleshooting: Replacing the Control-Head Board
Chapter 7: Exploded Views and Parts Lists
Figure 5-2
Figure 5-3
7
2
4
2
, beginning
.
.
1
6
7
6881096C77-O