Motorola MCS 2000

December 6, 2004 68P81083C20-D
9-12 Troubleshooting Troubleshooting Chart 1-7, DC Distribution
Troubleshooting Chart 1-7, DC Distribution
CCSUO
No
Ye s
13.6V on
U0502-8
No
Ye s
8V on
U0502-1
No
Ye s
9.3V on
U0501-5
No
5V on
U0500-2
Check C5613,
C5617, L5611,
R0432, J5500-1, 2
No
Ye s
13.6V on
connector J1
Check DC
input and fuse
Check
U0502
No
Ye s
~13.0V on
U0501-1
GOTO
On/Off Circuit
Chart 1-3
Check
U0501,
Q0500, C0508,
R0503, R0504
Check
U0500,
CR0500, C0501,
C0504
Ye s
No
Ye s
5V on
U5802-3
Check
U5802,
L5765, C5766,
C5767
Check
U5801,
Q5770, C5770,
C5810
Ref: Chart 1-3 and DC Voltage Distribution Simplified Schematic
START
MAEPF-25953-O