Troubleshooting Chart 1-2 (1 Of 3), Failure Codes - Motorola MCS 2000 Service Instructions Manual

Troubleshooting: Troubleshooting Chart 1-2 (1 of 3), Failure Codes

Troubleshooting Chart 1-2 (1 of 3), Failure Codes

power up
GOTO Band Specific No Fail No
Synthesizer Chart 001
Program
codeplug using
depot tool
Problem
No
Fixed
GOTO SB9600 DATA on
No DATA on No
Bus RX Chart 1-10 U0103-63
U0105-13
Yes
Check
U0105
6881083C20-D
Radio
No
Fail No Fail
01/88
01/92
Note 1
Yes
Yes
5V No Repair or
R0101 Replace R0101
Yes
Fail U0103 No Repair or
OK? Replace U0103
01/92
Yes
Yes
Check
U0101
Yes
Check
U0103
Note 1
This level of troubleshooting must be
performed by an authorized DEPOT center.
WARNING
Refer to the IC Troubleshooting
Procedure before replacing any ICs.
Fail No
01/98 01/82
Yes
Check Program
U0103
codeplug
Fail
01/82
GOTO SB9600 No DATA on No DATA on
Bus Rx Chart 1-10
U0105-13 U0103-63
Yes
Check
U0104
U0105
OK?
Check
Yes
U0108
U0103
OK?
Fail No Fail
01/81
Yes Yes
Program firmware
Note 1
No Problem
Fail
Fixed 01/81
Yes Yes
U0106
OK?
Yes
Yes
No Repair or
U0103
Replace U0104
OK?
Yes Yes
No Repair or U0104
Replace U0108 OK?
Yes
Check
CR0105
9-3
No
1
To Sheet 2
No
Problem
Fixed
No Repair or
Replace U0106
No
Repair or
Replace U0106
No
Repair or
Replace U0104
MAEPF-25946-O
December 6, 2004