Motorola APX 7000 Detailed Service Manual

Troubleshooting Charts: Main Display Failure 5-21
5.6.2 For Display Part No. 72012006002 Only
Replace LCD
No Display
2.7V < V < 2.9V?
Check DC on R2301
both sides
Problem
Resolved?
Proceed to DC
Flowchart
End
1.8V < V < 2.0V?
Check DC on R2302
Check LCD_HSYNC (R2304),
LCD_VSYNC (R2303),
LCD_PCLK (R2305),
LCD_OE (R2306), CS
(MNCN6202:J2301, Pin 50)
Yes
Proceed to DC
Flowchart
No
Signals Present?
Check Vocon, Keypad,
and Display
Connectors
Connectors
Good?
Replace Back Chassis
Subassembly
Yes
Yes
No
Replace Vocon
Board
No
Replace Board/
FPC Containing
Connectors
Yes
Yes
No
No

Motorola APX 7000 Specifications

General

Digital Technology	P25 Phase 1 and Phase 2
Emergency Button	Yes
Frequency Range	136-174 MHz (VHF), 380-470 MHz (UHF Range 1), 450-520 MHz (UHF Range 2), 764-870 MHz (700/800 MHz)
Display	Color LCD
Encryption	AES, DES
Water Resistance	IP67
GPS	Yes
Bluetooth	Yes
Operating Temperature	-30°C to +60°C
Weight	391 g (with standard battery)