Hattori Seiko A781A Watch Module Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Hattori Seiko A781A digital watch module. Includes specifications, exploded view diagrams showing battery clamp, circuit block cover, insulators, buzzer terminal, battery connection, circuit block, front switch springs, connectors, liquid crystal panel and frame. Technical sections cover circuit block structure, battery installation notes, disassembly and reassembly procedures with detailed illustrations, and value checking information including coil resistance, current consumption, time accuracy tests and alarm functionality tests.
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
- 6
- Size
- 220.8 KB
- Category
- Horlogerie