Calibre Y476A Digital Quartz Technical Guide and Parts List
Complete technical guide and parts list for the Seiko Calibre Y476A digital quartz watch movement. This workshop manual covers the full specifications of this 18.7mm diameter movement, including the 32.768 Hz crystal oscillator and nematic liquid crystal FEM display architecture. The service manual provides circuit block schematics detailing the speaker drive transistor, segment electrode configuration, and trimmer condenser tuning elements. Includes detailed disassembly and reassembly diagrams with full exploded views of all internal components for technicians performing maintenance or repair work. Covers cleaning procedures, battery voltage checking, liquid crystal panel inspection, circuit block connection verification, current consumption measurement, accuracy testing, functional operation checks, switch component inspection, and speaker block adjustment. Specifies the required 1.55V silver oxide battery (Toshiba WG-3 or SR41W equivalent). An essential reference for watch repair professionals and service technicians working with this movement.
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Document Details
- Format
- Pages
- 8
- Size
- 464.5 KB
- Category
- Watchmaking