Sharp CE720E/CE721E Expansion Box Service Manual
Service manual for the Sharp CE720E and CE721E expansion boxes, covering external hard disk storage solutions for the PC-7000 computer system. This workshop manual provides complete technical documentation including product overview, full specifications, system configuration details, and comprehensive guidance on the power supply unit with troubleshooting procedures. The manual features detailed circuit diagrams and a functional block diagram of the EYG300/51G DC switching regulator circuit, printed circuit board layouts, and a complete parts guide for component identification and replacement. The CE720E model is configured without an internal 3.5-inch hard disk drive, while the CE721E includes a built-in 3.5-inch 20MB hard disk drive. Essential reference for maintenance, repair, and technical diagnostics of these expansion storage units.
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Document Details
- Format
- Pages
- 20
- Size
- 675.3 KB
- Category
- Computers & IT