MODULE 4 ( Laptop Chip Level Repairing)
Introduction of Laptop, Comparison of various Laptop, Difference between Desktop & Laptop, Category of laptop.
Block diagram of Laptop & its description of all sections.
Battery Stage :- Battery section Description Testing & Fault finding of (Ni-Cd, Ni-Mh Li-ion Battery
Volt in stage : Working of volt in section, Testing & Fault Finding.
Micro Controller Stage : Working & Identification of microcontroller (H8/3437). Testing & Fault Finding.
VRM Stage : Working of VRM Section (Voltage Regulator Module) Testing & Fault Finding (Control Circuit, Oscillator Section, Sensor & VID Selector Stage.
PCI Controller : Working of PC Card Controller Stage, PC Card Socket & PCMCIA Slot.
IEEE 1394 Firewire Stage : Working of IEEE 1394 Section, Testing & Fault Finding.
Audio Section : Working of Audio Section, Testing & Fault Finding
DSP Stage : Working of DSP Section ( Digital Signal Processor), Testing & fault finding.
TFT Panel : Working of CCFL section, Working of LVDS Section, Working of TFT Film Array, Working of Bounding Pad IC, Testing & Fault Finding
Identification of Laptop Sections : Identification of Laptop Sections, Parts, Slot & Interface connector.
Adaptor Section : Circuit Diagram of adaptor section, Testing & Fault Finding
Stepdown Stage: Working & Circuit Diagram of stepdown Section, Testing & Fault Finding
Rebolling of IC’s Through BGA Machine