Chapter 5 Troubleshooting; Required Tools And Supplies; Table 5-1. Required Tools And Supplies; Chapter 8 Schematics, Overlays, And Parts Lists - Motorola ASTRO W3 Service Manual

Chapter 5
This chapter, along with the theory of operation in Chapter 3 and the schematics, overlays, and parts
lists in Chapter 8, will aid you in troubleshooting a malfunctioning ASTRO Digital Spectra or Digital
Spectra Plus control head. If the board is severely damaged or otherwise non-repairable, refer to the
board replacement instructions in the section, "Replacing the Control Head Board" on
NOTE: To access W9 control-head boards for troubleshooting, remove them from the plastic housing
using the procedure on
control-head extender cable and the procedure on
"Recommended Test Equipment and Service Aids" on
test equipment and service aids part numbers.)
5.1

Required Tools and Supplies

Table 5-1 lists the tools and supplies needed for basic troubleshooting.
Troubleshooting
page 5-10

Table 5-1. Required Tools and Supplies

Tools and Supplies
Small, flat-blade screwdriver
2.5 mm hex-key driver
Torx® T8, T10, and T15 drivers
3.0 mm Allen wrench
. To access W4, W5, and W7 control-head boards, use a
page 5-8
page 4-1
page 5-7
. (Refer to the chapter,
for the appropriate Motorola
.