This comprehensive repair and maintenance manual for the TRIO 9R-59D/S COMMUNICATIONS RECEIVER provides detailed technical information to help you service and maintain your device. The manual includes a wealth of information, allowing you to repair or rebuild your equipment yourself.

The manual features a detailed external view, top and bottom chassis views, a block diagram, dial cord stringing instructions, PC board layouts, a parts list, adjustment procedures, a schematic diagram, and specifications. You will also find numerous clear and easy-to-understand illustrations and diagrams throughout the manual.

With this manual, you can easily access the specific information you need, print only the pages you require, and have all the information you need at your fingertips.

The TRIO 9R-59D/S Communications Receiver, also known as the Kenwood R-59D/S, is a high-end, multi-mode communications receiver designed for serious radio enthusiasts and professionals. Manufactured by the renowned Japanese electronics company Trio-Kenwood, this receiver boasts impressive performance and versatility, capable of receiving signals across a wide range of frequencies, including AM, FM, shortwave, and even VHF/UHF bands. The 9R-59D/S employs a sophisticated double-conversion superheterodyne design, resulting in exceptional sensitivity and selectivity. Its robust construction, featuring a heavy-duty aluminum chassis and high-quality components, ensures durability and longevity.

The TRIO 9R-59D/S offers a comprehensive suite of features tailored to meet the needs of demanding users. It includes a large, easy-to-read analog dial with a built-in S-meter, allowing for precise frequency tuning and signal strength monitoring. A comprehensive selection of filters and bandwidth settings are available, enabling users to refine signal reception and eliminate unwanted interference. The receiver also incorporates a powerful automatic gain control (AGC) system, which maintains optimal signal levels across various reception conditions. Additional features include a built-in speaker, headphone jack, and a variety of input and output connectors, making it compatible with various external devices such as antennas, audio recorders, and spectrum analyzers. The TRIO 9R-59D/S is a testament to Trio-Kenwood's commitment to delivering high-quality, reliable, and feature-rich communications receivers for discerning users.