• CRO Concept for Laptop Repair
• Different uses & Layout of Laptop
• Battery Stage
• DCIN and Detector Stage
• Main System Power supply Stage
• CPU Core Supply Stage
• CPU VCC & VDD Section
• Clock Generator Stage
• System Controller Stage
• DSP Stage, LVDS Stage
• LCD TFT Stage
• CCFL Concept
• ICH Pin Description
• Micro Controller Stage
• I/O Controller Stage
• UHS, Supper I/O Controller Stage
• Audio Driver and Audio Amplifier
Stage
• Key Board Stage
• USB Concept & Stage
• IEEE 1394 Stage
• Adaptor Stage
• Testing and Fault Finding of Adaptor Battery
Stage
• IC Detail used in Battery Stage
• Working of Circuit with Power ON Stage
• BAT OUT Pin Concept
• Testing and Fault Finding with CRO
• Detail of Different circuits of Laptop (DCIN
and Detector Stage
• Testing and Fault Finding of DCIN and
Detector Stage
• Battery Charging and Power Selection Stage (Testing and Fault Finding5 VALWP and
3 VALWP Main System Power
Supply Stage and Testing
• System Power Supply Stage and testing
• 2.5 VP System Power Supply Stage and Testing |
• 0.9 VP System Power Supply Stage and Testing
• CPU Fan Supply Controller Stage and Testing
• +3VALW to +3VS Supply Power Control Stage
• +5 VALW to +5 VS Supply Power Controller Stage
• +3 VALWP to + 3 V Supply Power Controller Stage
• +1.8 V to +1.8 VS Supply Power Controller Stage
• +1.5 VALW to +1.5 VS Supply Power Controller Stage and testing of all
• .05 VP System Power Supply Stage and Testing
• Power Discharge Circuit Stage, CPU Core Power Supply Stage and Testing
• Power On Circuit Stage and Testing
• Power Button and Launch keys Button Stage and Testing
• Clock Generator Stage and Testing
• System Temperature Sensing Stage and Testing
• CPU Thermal Protection Stage and Testing
• Hard Disk Drive connector Stage, Optical Disk Drive connector Stage and Testing
• Internal Keyboard Connector Stage, Mouse & Touch Pad Stage and Testing
• Audio Section Power Supply Regulator Stage, Audio Codec Stage. Audio Amplifier Stage,
• Head Phone and MIC Jack Stage and Testing
• Beep Sound Signal Controller Stage and Testing, USB Port Power Supply Controller Stage and Testing
• LCD Panel Power and Connector Stage and Testing
• Inverter Stage and Testing. External Display Port Stage and Testing Modem Daughter Card Connector Stage and Testing
• Bluetooth Interface Stage and Testing, PC Card Bus Slot Stage and Testing
• Network and Modem Jack Stage and Testing.
• LCD & LED Stage & Testing
• Power ON Sequence Diagram, Laptop Trouble Shooting with Various Faulty Laptop
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