Motorola Mt1500 Basic 6881094c09 B Manual

Disassembly/Assembly
53
Keypad and Keypad 
Option Board 
Reassembly1. Insert the keypad into the front cover. Align the keypad to the pins in the front cover.
2. Replace the board on the locator pins.
3. Replace the keypad retainer legs on the PTT side first. Then, press the retainer down 
and snap the other two legs into place on the universal connector side; make sure that 
all four legs snap into place. If necessary, use a small, flat-bladed screwdriver to put 
pressure on the corner bend of each...

Disassembly/Assembly
54
Chassis Assembly 
ReassemblyBefore you assemble the main board to the chassis, make sure that the following steps are 
done to the chassis.
1. Replace the O-ring. The tabs on the O-ring should reach into the chassis and point 
down.
2. Stretch the O-ring to place it into the retaining pocket at the bottom end of the chassis.
NOTE:When properly assembled, the retainers on the O-ring 
should align with the slots on the chassis. If this is not the 
case, remove and replace the O-ring...

Disassembly/Assembly
55 chassis assembly.
3. Push down the latches on the connectors to hold the flex circuits to the main board.
NOTE:Be sure the concentric lever is not in place on the 
frequency knob shaft when reassembling the chassis with 
the front cover assembly.
4. Align the volume knob shaft and the frequency switch shaft with their respective 
holes in the front cover. Slowly reassemble the chassis and front cover assemblies. 
Slowly slide the volume knob and frequency switch shafts into their...

Disassembly/Assembly
56
Notes 

57
Radio-Level Troubleshooting
9
Introduction to 
This SectionThis section of the manual contains troubleshooting charts and error codes that will help 
you to isolate problems. Level one troubleshooting will support only radio alignment, 
programming, battery replacement, and knob replacement. If the radio needs further 
troubleshooting, it must be sent to the depot.
Board-level, component-level, and service information can be found in the ASTRO Digital 
XTS 2500 Portable Radios Detailed Service Manual,...

Radio-Level Troubleshooting
58
Operational Error 
CodesDuring radio operation, the radio performs dynamic tests to determine if the radio is 
working properly. Problems detected during these tests are presented as error codes on the 
radio’s display. Ann error code indicates that a problem exists and that a service technician 
should be contacted. Operational error codes are listed in Table 24..Table 23.  Power-Up Error Code Displays
Error 
CodeDescriptionCorrective Action
01/02 FLASH ROM Codeplug...

Radio-Level Troubleshooting
59 Table 25.  Receiver Troubleshooting Chart
SymptomPossible CauseCorrection or Test (Measurements 
Ta k e n  a t  R o o m  Te m p e r a t u r e )
Radio dead; Display does not 
light up1. Dead Battery  Replace with charged battery.
2. Blown Fuse  Send radio to depot. 
3. On/Off Switch
4. Regulators
Radio dead; display 
lights up1. VOCON Send radio to depot.
2. RF
No receiver audio or receiver 
does not unmeetProgramming a. Does the transmitted signal match the receiver...

Radio-Level Troubleshooting
60
Notes 

61
Accessories
10
GeneralMotorola provides the following approved accessories to improve the productivity of your 
XTS 2500 portable two-way radio. 
Antennas
Audio
Headsets
Earpieces
Remote Speaker 
Microphones
NAF5037 806-870 MHz Whip, Half-wave, 7 inch
NAF5042 806-870 MHz Quarter Wave, 3 inch, Stubby
NAF5080 764-870 MHz Whip, Half-wave, 6.5 inch 
BDN6635 Boom Mic Headset with VOX (Adapter BDN6673)
BDN6636 Throat Mic Headset with VOX (Adapter BDN6673)
BDN6645 Noise-Canceling Boom Mic Headset with PTT on...

Accessories
62
Surveillance
Batteries
Belt Clips
Carrying Cases
BDN6671 PTT and VOX Interface Module for use with BDN6677, 
BDN6678, and BDN6641
BDN6677 Ear Microphone, Standard 95 dB (Black)
BDN6678 Ear Microphone, Standard 95 dB (Beige)
BDN6708 PTT Interface Module for use with BDN6677, BDN6678, and 
BDN6641
NTN9815 NiCd High Capacity
NTN9816 NiCd High Capacity, Factory Mutual Intrinsically Safe 
NTN9857 NiMH Ultra-High Capacity, Factory Mutual 
Intrinsically Safe
NTN9858 NiMH Ultra-High Capacity...