Motorola GP360 Service Information

Chapter 3
CONTROLLER SCHEMATICS
1.0 Allocation of Schematics and Circuit Boards
The Controller circuits are contained on the printed circuit board (PCB) containing the RF circuits.
This Chapter shows the schematics for the Controller circuits only, refer to the relevant RF section
for details of the related RF circuits, the PCB component layouts and the Parts Lists. The Controller
schematic diagrams and the related PCB and parts list are shown in the tables below:
Table 3-1 Schematics - Set 1
PCBs :
8486062B12/ B14
8485726Z01
VHF
300 R1
SCHEMATICS
Overall Controller Schematic
ASFIC/ ON_OFF
Microprocessor
Interface
Memory
Audio Power Amplifer
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Table 3-2 Schematics - Set 2
PCBs :
8486101B09/ B10 VHF GP1280
SCHEMATICS
Overall Controller Schematic
ASFIC ON_OFF
Memory
Microprocessor
Interface
Audio Power Amplifer
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Motorola GP360 Specifications

Battery

battery life with standard high capacity NiMH battery low power	11 hours
battery life with standard high capacity NiMH battery high power	8 hours
battery life with ultra high capacity NiMH battery low power	14 hours
battery life with ultra high capacity NiMH battery high power	11 hours
battery life with NiCD battery low power	12 hours
battery life with NiCD battery high power	9 hours
battery life with Li-lon low power	11 hours
battery life with Li-lon high power	8 hours

Operating Environment

operating temperature	-20°C to +55°C
sealing	Withstands rain testing per MIL STD 810 C/D/E and IP54
shock and vibration	Protection via impact resistant housing exceeding MIL STD 810-C/D/E and TIA/EIA 603
dust and humidity	Protection via environment resistant housing exceeding MIL STD 810 C/D/E and TIA/EIA 603

Transmitter Specifications

frequencies full bandsplit VHF	136-174 MHz
frequencies full bandsplit UHF	403-470 MHz
channel spacing	12.5/20/25 kHz
frequency stability	±2.5 ppm
power VHF	1-5W
power UHF	1-4W

Receiver Specifications

frequencies full bandsplit VHF	136-174 MHz
frequencies full bandsplit UHF	403-470 MHz
channel spacing	12.5/20/25 kHz
frequency stability	±2.5 ppm
sensitivity (12 dB SINAD) EIA	0.25 µV typical
sensitivity (20 dB SINAD) EN	0.50 µV typical

Weight and Dimensions

dimensions with standard high capacity NiMH battery	137 x 57.5 x 37.5 mm
dimensions with ultra high capacity NiMH battery	137 x 57.5 x 40.0 mm
dimensions with NiCD battery	137 x 57.5 x 40.0 mm
dimensions with Li-lon battery	137 x 57.5 x 33.0 mm
weight with standard high capacity NiMH battery	428 gm
weight with ultra high capacity NiMH battery	508 gm
weight with NiCD battery	458 gm
weight with Li-lon battery	358 gm