HP 09130-90030 9130K Service Jul81 free download

File name 09130-90030_9130K_Service_Jul81.pdf

~=========== SERVICE MANUAL HP 9130K Flexible Disc Drive Service Documentation Hewlett-Packard Greeley Division 3404 East Harmony Road, Fort Collins, Colorado 80525 ii Table of Contents Chapter 1: General Information Introduction ... 1-1 General Description ... 1-1 Available Options ... 1-2 Environmental and Physical Specifications ... 1-2 Recording Specifications ... 1-2 Environmental Specifications ... 1-2 Physical Dimensions and Weight ... 1-3 Performance Specifications ... 1-3 Flexible Disc Media Use ... 1-4 Intro.duction ... 1-4 Operating Cleanliness ... 1-5 Handling Discs ... 1-5 Do ... 1-6 Don't ... 1-7 Write Protection ... 1-9 Chapter 2: Interface Information Introduction ... 2-1 Interface ... 2-1 Primary Power Requirements ... 2-1 Signal Line Description ... 2-3 Input Control Lines ... 2-3 Output Status Lines ... 2-4 Typical Interface Drive/Receiver Circuit ... 2-8 Chapter 3: Theory of Operation Introduction ... 3-1 Flexible Disc Recording Fundamentals ... 3-1 Index Pulse Shaping Network ..., ... 3-3 Write Protect Sensor ... " ... 3-3 Track 0 Switch ... , ... 3-3 Spindle Motor Drive Control ... 3-3 Head Position Control ... 3-4 Pow