Seiko A439A Digital Quartz Technical Guide
Technical service manual for Seiko A439A digital quartz watch. Includes specifications, circuit block structure diagram, detailed disassembly and reassembly procedures for case, module, and components. Covers lubrication points, anti-static electricity plate handling, segment identification for liquid crystal panel, battery information, and checking procedures for battery voltage, pattern segments, liquid crystal panel conductivity, current consumption, accuracy, speaker block, and switch components. Contains exploded views and functional adjustment instructions.
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Document Details
- Format
- Pages
- 9
- Size
- 435.3 KB
- Category
- Horlogerie