Motorola APX 2000 Detailed Service Manual

5-6 Troubleshooting Charts: Power-Up Failure
Power-Up Failure – Low LDO10 VCC_3.3 Voltage
Low
LDO10 V_3.3
Voltage
Measure Radio
Current
Inspect R6566
Connection
Measure SW1 at R6542
Likely MAKO Problem,
Replace Main Board
Is Standby Current
more than 15mA
above Average
3.3 < V < 3.9?
Is R6566 Soldered
Properly
Correct R6566
Soldering
Proceed to Low
V_SW_3.6 Voltage
Flow Chart
Board has a short,
Replace Main Board
Yes
Yes
Yes
No
No
No

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)