Motorola APX 2000 Detailed Service Manual

Troubleshooting Charts: Power-Up Failure 5-13
Power-Up Failure – Low V_SW_5 Voltage
Low V_SW_5 Voltage
Measure Radio
Current
Is Standby
Current more
than 15mA above
Average
Board has a short,
Replace Board
Yes
Measure the
Voltage at C6593
6 < V < 9?
Proceed to
Incorrect B+
Voltage
Inspect U6505 and
All Supporting
Circuitry
Are Parts Solder
Connections and
Placement Correct
Replace or Repair
Part/s
Replace Main
Board
No
No
Yes
No
Yes

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)