Motorola MCS 2000 Service Instructions

9-4 Troubleshooting: Troubleshooting Chart 1-2 (2 of 3), Failure Codes
December 6, 2004 6881083C20-D
Troubleshooting Chart 1-2 (2 of 3), Failure Codes
Fail
01/90
No
Yes
No
Voltages
on J0403-5, 6,18
per Chart
14
U0104
OK?
Yes
Yes
U0103
OK?
DATA on
U0105-13
Yes
No
Check
U0105
No
Repair or
Replace U0104
No
Repair or
Replace U0103
Yes
Clock
signal on
U0103-34
No
Yes
GOTO
Clock Distribution
Chart 1-9
No
J0405
OK?
Yes
GOTO
Control Head
Chart 1-8
Repair or
Replace J0405
GOTO SB9600
Bus Rx Chart 1-10
Error
01/02
No
Yes
Yes
Program
codeplug
DATA on
U0103-63
Yes
U0104
OK?
No
Repair or
Replace U0104
Check
U0105
Check
U0103
GOTO SB9600
Bus Rx Chart 1-10
Yes
U0108
OK?
No
Repair or
Replace U0108
Yes
Yes
No
No
DATA on
U0105-13
Fail
01/84
No
Yes
Program
codeplug
Yes
DATA on
U0103-63
Yes
Yes
U0104
OK?
Yes
U0108
OK?
No
Check
U0105
Repair or
Replace U0104
Yes
No
No
No
Repair or
Replace U0108
Fail
01/84
No
Problem
Fixed
Problem
Fixed
Error
01/02
Yes
Fail
01/94
No
Problem
Fixed
Check
U0103
DATA on
U0105-13
No
GOTO SB9600
Bus Rx Chart 1-10
Fail
01/94
No
Yes
Program
codeplug
DATA on
U0103-63
No
DATA on
U0105-13
No
Yes
Yes
Check
U0105
Check
U0103
GOTO SB9600
Bus Rx Chart 1-10
2
To Sheet 3
1
From Sheet 1
WARNING
Refer to the IC Troubleshooting
Procedure before replacing any ICs.
MAEPF-25947-O

Motorola MCS 2000 Specifications

General

Brand	Motorola
Model	MCS 2000
Category	Radio
Language	English