Kenwood TS-450S/690S HF Transceiver Service Manual
Complete service manual for the Kenwood TS-450S and TS-690S all-mode HF transceivers. This comprehensive technical documentation covers circuit descriptions, frequency configurations, PLL circuit operations, receiver and transmitter circuit configurations, and detailed adjustment procedures. The manual includes extensive coverage of the digital control unit, AT unit, optional filters, and various RF units. Technical sections address standby control timing, extended functions, semiconductor data, component descriptions, and complete parts lists. Detailed explanations of signal system frequency configurations with triple conversion in receive mode and double conversion in CW/FM transmit modes are provided. The document features block diagrams, schematic diagrams, exploded views, and packing information. It covers models for multiple destinations including North America, Australia, Canada, Europe, and Belgium, with both 100W and 50MHz variants specified.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 184
- Size
- 33.8 MB
- Category
- Radio & Communications