This document provides a detailed technical overview and service information for the KENWOOD TS-790A/E all-mode transceiver. It covers various aspects of the device, including its circuit configurations, component functionalities, and operational details across its multiple bands (144 MHz, 430 MHz, and 1200 MHz).
Explore in-depth explanations of the radio's internal workings, such as the IF frequency conversions, signal flow for both reception and transmission, and the control circuits that manage band switching and operational modes. The manual also details specific circuits like the keying, ALC, power control, squelch, and speaker separation systems.
This resource is essential for technicians and enthusiasts seeking to understand, maintain, or repair the KENWOOD TS-790A/E, offering critical data for troubleshooting and performance optimization.
Key Features and Sections:
- Detailed circuit descriptions for all major units (RF, IF, PLL, Control).
- Explanation of band-specific operations and frequency conversions.
- Information on control signal generation and standby circuits.
- Guidance on keying, ALC, and power control mechanisms.
- In-depth look at squelch and speaker separate functionalities.
- Technical specifications and component lists are included for comprehensive servicing.