Motorola Gp640 Gp680 Basic 68p64115b23a Manual

Mechanical View and Parts List3-17
ItemMotorola
Part
NumberDescription
1See Chapter 6Antenna
2 3680529Z01 Knob, Volume
33680530Z01Knob, Frequency
4 1380525Z03 Escutcheon, Top
53380644Z01Escutcheon, Label
6 3280533Z01 Seal, Control Top
76180527Z01Litepipe, Tx
8 1364279B07 Front, label
91586059A01Dust Cover, Universal
Connector
10 1386058A01 Escutcheon, Universal Flex
111580666Z04Front Cover with Keypad
(DTMF)
12 Not Field
ReplaceableEscutcheon, FM
137580532Z01Keypad, Side Control
14 1380528Z01 Bezel, Side...

3-18MAINTENANCE
10.0 Service Aids
Table 3-1 lists service aids recommended for working on the GP640/GP680 Radios. While all of
these items are available from Motorola, most are standard shop equipment items, and any
equivalent item capable of the same performance may be substituted for the item listed.
Ta b l e 3 - 1Service Aids
Motorola
Part No.Description Application
RLN4460_Po r t a bl e Te st Se tEnables connection to the audio/accessory
jack. Allows switching for radio testing.
RKN4075_ Ribless...

Test Equipment3-19
11.0 Test Equipment
Table 3-2 lists test equipment required to service the GP640/GP680 Radios and other two-way radios.
Ta b l e 3 - 2Recommended Test Equipment
Motorola Part
No.Description Characteristics Application
R2600_NTComms System
Analyzer
(non MPT)This monitor will
substitute for items with
an asterisk *Frequency/deviation meter
and signal generator for
wide-range troubleshooting
and alignment
R2680_NT
to be ordered
with
RLN1022_ (H/W)
RLN1023_ (S/W)Comms System
Analyzer...

3-20MAINTENANCE
12.0 Programming/Test Cable
Figure 3-15Programming/Test Cable
Figure 3-16Pin Configuration of the Side Connector
Side
Connector
1metre
Cable1metre
Cable
External Speaker + Brown
1
1
External Speaker - Dark Blue
2
2
Option B + Red
3
3
External Mic Grey
4
4
Option Select 2 Light Blue
5
5
Option Select 1 Tan
6
6
Ground Black
7
7
Receive Data Yellow
8
8
Transmit Data Pink
9
9
RSSI Orange
10
10
Tx Audio / Rx Audio Violet
11
11
Boot Control Green
12
12
Not Used White
13
13
Internal...

Programming/Test Cable3-21
Figure 3-17Wiring of the Connectors
1
2
3
4
5
6
7
8
9
10
11
12
13
15
1
4
11
25 Pos Female
D Connector25 Pos Male D
Connector
Side Connector
1
5
2
7
8
15
20
16
9
18
25 

3-22MAINTENANCE 

Chapter 4
PERFORMANCE TESTING
1.0 Introduction
The receiver and transmitter performance tests are contained in Tables 4-1 and 4-2 respectively.
Refer to Chapter 5 for the test equipment set up. Note that all test measurements are taken at 25°C.
2.0 Receiver Performance Tests
The receiver performance tests are described in Table 4-1 below.
Ta b l e 4 - 1Receiver Performance Checks
Te s t N a m eCommunications
AnalyzerRadio Test Set Comments
Reference
FrequencyMode: PWR MON
Monitor: Frequency error...

4-2PERFORMANCE TESTING
3.0 Transmitter Performance Tests
The transmitter performance tests are described in Table 4-2 below.
Ta b l e 4 - 2Transmitter Performance Checks
Te s t N a m eCommunications
AnalyzerRadio Test Set Comments
Reference
FrequencyMode: PWR MON
Monitor: Frequency error
Input at RF In/OutTEST MODE,
Test Channel
4carrier
squelchPTT to continu-
ous (during the
performance
check)Frequency error to be
±200Hz VHF
±600Hz UHF
Power RF As above As above As above Refer to Mainte-
nance...

Chapter 5
RADIO TUNING AND PROGRAMMING
1.0 Introduction
This chapter provides an overview of the Customer Programming Software (CPS) and tuner program
which are designed for use in a Windows 95/98 environment. These programs are available in
separate kits as listed in the Table 5-1. An Installation instruction manual is also included with each kit.
Ta b l e 5 - 1Software Installation Kits Radio Tuning Setup
2.0 Global Radio Tuning Setup
A personal computer (PC) using Windows 95/98 and a global tuner...

5-2RADIO TUNING AND PROGRAMMING
2.1 Initial Test Equipment Setup
The supply voltage is connected to the radio using a Motorola battery eliminator, P/N 0180305G54.
The initial test equipment (Figure 5-1) control settings are listed in Table 5-2.
Ta b l e 5 - 2Initial Equipment Control Settings
3.0 CPS Programming Setup
The CPS programming setup, shown in Figure 5-2, is used to program the radio codeplug.
Figure 5-2CPS Programming Setup
NOTERefer to appropriate program on-line help files for the tuning...