Motorola GP328/GP338 Portable Radios Detailed Service Manual

This comprehensive service manual offers in-depth technical information for the Motorola GP328 and GP338 portable radios. It details essential safety precautions, compliance with radio frequency (RF) energy exposure standards, and operational guidelines for efficient and safe use.

The manual covers various aspects including RF energy exposure standards, operational instructions, and training guidelines. It also provides detailed information on approved accessories, electromagnetic interference, and compatibility considerations in different environments such as aircraft and medical facilities.

Key sections include operational warnings, cautions related to antennas and batteries, and a detailed table of contents outlining service aids, power-up self-tests, controller information with schematics for different frequency bands, keypad board details, and model-specific test specifications for UHF and VHF models. Troubleshooting charts are also included for diagnosing and resolving potential issues.

For detailed technical specifications, circuit diagrams, and parts lists, users are directed to specific sections within the manual, covering various frequency ranges and PCB numbers.