HP 9130K Service Manual page 3

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Chapter 4: Assembly Access
Introduction .............................................................. 4-1
Chapter 5: Maintenance
Introduction .............................................................. 5-1
Service Kit Contents .................................................... 5-1
Drive Failure Analysis .................................................. 5-2
Head Cleaning ................................................... " .... 5-3
Termination Resistor IC U2F ............................................. 5-3
Shunt Block U1E ...................................................... 5-3
Alignment and Adjustments ................................................. 5-3
Introduction ..................................................... , .... 5-3
Spindle Motor Speed Adjustment .................................... , .... 5-3
Spindle Drive Belt Adjustment ........................................... 5-4
Radial Head Alignment ................................................. 5-7
Head Azimuth Alignment ................................................ 5-8
Track 0 Switch Adjustment .............................................. 5-9
Index Emitter/Detector Adjustment ...................................... 5-10
Write Protect Switch Adjustment ........................................ 5-12
Read/Write Test ...................................................... 5-12
DSU Controls and Indicators ........................................... 5-13
Disc Service Unit Operation ............................................ 5-16
Packaging Instructions ................................................. 5-17
Test Point Location and Waveforms ...................................... 5-19
Chapter 6: Schematic Diagrams
Introduction .............................................................. 6-1
Chapter 7: Replaceable Parts
Introduction .............................................................. 7-1
Figures
1-1 Physical Dimensions ................................................. 1-4
1-2 Head/Media Critical Requirements ...................................... 1-6
1-3 Damaged Media ..................................................... 1-8
1-4 Loading the Disc .................................................... 1-9
1-5 Write Protect Tab Installation .......................................... 1-9
2-1 Connector J2 Pin Out ................................................ 2-1
2-2 Connector J1 Pin Out (Circuit Side) .................................... 2-2
2-3 General Control and Data Requirements ................................. 2-5
2-4 Connector Location ................................................... 2-6
2-5 Connector J4 Pin Out ................................................ 2-6