Motorola Astro Digitalport Saber Basic 68p81076c05 Manual

A. Introduction to This Section
This section of the manual describes preventive
maintenance, handling precautions, and some basic
repair procedures and techniques. Each of these top-
ics provides information vital to the successful
operation and maintenance of your radio.
B. Preventive Maintenance
The ASTRO Digital SABER radios do not require 
a scheduled preventive maintenance program; howev-
er, periodic visual inspection and cleaning is
recommended.
1. Inspection
Check that the external surfaces of...

5. Use a static-safeguarded workstation, which can
be accomplished through the use of an anti-static
kit (Motorola part number 01-80386A82). This kit
includes a wrist strap, two ground cords, a static-
control table mat and a static-control floor mat. For
additional information, refer to Service and Repair
Note SRN-F1052, ÒStatic Control Equipment for
Servicing ESD Sensitive Products,Ó available from
Literature Distribution.
Motorola
Literature Distribution
2290 Hammond Drive
Schaumburg, IL 60173
(708)...

A. Recommended Test Equipment
The list of equipment contained in Table 2 includes
all of the standard test equipment required for servic-
ing two-way portable radios, as well as several unique
items designed specifically for servicing this family ofradios. The ÒCharacteristicsÓ column is included so
that equivalent equipment may be substituted; howev-
er, when no information is provided in this column, the
specific Motorola model listed is either a unique item
or no substitution is recommended.
5
SECTION...

B. Service Aids and Recommended Tools
Refer to the following tables, ÒService Aids for
Board-Level TroubleshootingÓ and ÒRecommended
Test Tools for Board-Level Troubleshooting,Ó for a list-
ing and description of the service aids and tools
designed specifically for servicing this family of radios,
as well as the more common tools required to disas-
semble and properly maintain the radio. These kits
and/or parts are available from the Motorola Parts
Division offices listed in the ÒReplacement Parts...

SECTION IV.  PERFORMANCE CHECKS
7
A. Introduction to This Section
This section covers performance checks used to
verify the radio meets published specifications. The
recommended test equipment listed in the previous
section approaches the accuracy of the manufactur-
ing equipment, with a few exceptions. Accuracy of the
equipment must be maintained in compliance with the
manufacturerÕs recommended calibration schedule.
B. Setup
Supply voltage can be connected from the battery
eliminator. The equipment...

f. Press the top programmable button again;
Ò3/1Ó appears, which indicates that the 
top programmable button is in the closed 
condition.
g. Rotate the mode/zone selector switch; Ò4/0Ó
through Ò4/15Ó appears, which indicates that
the selector switch is in mode/zone position 
1 through 15.
h. Rotate the two-position (A/B) switch; Ò65/0Ó
and Ò65/1Ó appears.
i. Rotate the two-position programmable switch
(concentric with the top programmable but-
ton); Ò67/3Ó and Ò67/0Ó appear.
j. Rotate the volume control;...

9
Reference Mode: PWR MON TEST MODE, PTT to continuous Frequency error to be ²±600Hz
Frequency 4th channel test frequencyv4 CSQ (during the
Monitor: Frequency error output at performance check)
Input at RF In/Out antenna
Rated Audio Mode: GEN TEST MODE, PTT to OFF (center), Set volume control to
Output level: 1.0mV RF 4 CSQ meter selector to 3.74Vrms
4th channel test frequency
vAudio PA
Mod: 1kHz tone at
3kHz deviation
Monitor: DVM: ac Volts
Distortion As above, except to As above As above Distortion <...

10
Reference Mode: PWR MON TEST MODE, PTT to continuous Frequency error to be ²±600Hz.
Frequency 4th channel test frequencyv4 CSQ (during the
Monitor: Frequency error performance check).
Input at RF In/Out
Power RF As above As above, 4 CSQ As above Refer to Maintenance Specifica-
tions page in front of manual.
Voice Mode: PWR MON As above, 4 CSQ As above, meter Deviation:
Modulation 4th channel test frequency
vselector to mic VHF, UHF, and 800MHz:
atten to Ð70, input to RF In/Out,³3.6kHz but ²5.0kHz...

A. Introduction to This Section
This section describes both receiver and transmit-
ter radio alignment procedures.B. General
An IBM personal computer (PC) and radio service
software (RSS) are required to align the radio. Refer
to the applicable RSS manual for installation and
setup procedures for the software. To perform the
alignment procedures, the radio must be connected to
the PC, radio interface box (RIB), and a universal test
set as shown in Figure 1.
11
SECTION V.  RADIO ALIGNMENT PROCEDURE
BNC...

All service and tuning procedures are performed
from the SERVICE menu, which is selected by press-
ing F2 from the MAIN MENU. Figure 2 illustrates how
the RSS alignment SERVICE screens are organized. 
Figure 2. RSS Service Menu Layout
All SERVICE screens read and program the radio
codeplug directly; you do NOT have to use the RSS
GET/SAVE functions to use the SERVICE menus.The SERVICE screens introduce the concept of
the Òsoftpot,Ó an analog SOFTware controlled POTen-
tiometer used for adjusting all...