Motorola GP340 Series User Manual

3-10 MAINTENANCE
6.6 Controller Board Disassembly (GP344/GP388)
1. Use a Philips screwdriver to remove the screw from its position.
2. Insert a flat blade screwdriver in-between the controller board and front cover. Pull up the
screwdriver to disassemble the controller board from the front cover.
Figure 3-10 Controller Board Disassembly
6.7 Control Top Disassembly
1. To remove the control top assembly, place a screwdriver next to the antenna boss, and pry it
against the control top escutcheon. This will lift the control top escutcheon away from its
double-sided adhesive. Grab the double-sided adhesive near the volume potentiometer, and
lift it away.
2. Remove the control top seal, emergency button, and transmit light pipe.
7.0 Radio Reassembly — Detailed
7.1 Control Top Reassembly
1. Replace transmit light pipe and control top seal.
2. Place a new control top escutcheon adhesive against the front cover. Press the control top
escutcheon tightly against the adhesive.
3. Put the PTT seal in the PTT bezel.
7.2 Controller Board Reassembly (GP344/GP388)
1. Insert controller board into front cover and secure using the (M2x3) Philips screw.
Philips Screw
Controller Board
Front Cover
GP344/388

Motorola GP340 Series Specifications

General

IP Rating	IP54
Frequency Range	VHF: 136-174 MHz
Channel Capacity	16 channels
Power Output	VHF: 5W; UHF: 4W
Dimensions	137 x 57.5 x 37.5 mm (without antenna)
MIL-STD	810 F
Power Supply	7.5 V (Nominal)