Motorola APX 2000 Detailed Service Manual

5-12 Troubleshooting Charts: Power-Up Failure
Power-Up Failure – Low V_SW_3.6 Voltage
Low V_SW_3.6 Voltage
Measure Radio
Current
Measure the
Voltage at R6542
Inspect U6504 and
All Supporting
Circuitry
Replace Board
Is Standby Current
more than 15mA
above Average
Are Parts Solder
Connections and
Placement Correct
6 < V < 9?
Proceed to
Incorrect B+
Voltage
Replace or Repair
Part/s
Board has a short,
Replace 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)