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chapter two A Computer Problem or Not?
part two Troubleshooting Computer Hardware Problems
chapter four Troubleshooting to the Unit Board Level
10 other sections not shown
Abbey Enterprises adapter card ASCII binary block diagram bytes cable capacitor cathode ray tube cause Centronics chapter Character Character Character circuit board circuitry CMOS component computer power supply connected connector Courtesy damage decoding defective diagnostics program digital circuits disk drive diskette diagnostics dot-matrix electronic equipment error Figure floppy diskette drive hardware index pulse indicate input installed instrument intermittent jumper keyboard light pen load logic analyzer mechanical memory chips microcomputer microprocessor modem monochrome necessary normal operating system option card oscilloscope output parallel port PARITY CHECK plug possible power supply printed circuit printer printhead probe problem proper radial alignment read/write heads repair resistor ribbon ROM diagnostics schematic screen serial port short signals socket solder stepper motor system board track transistor trigger troubleshooting voltage wires