Course code : DRMPCP
Course fees : 15,000
SYLLABUS (Theory with Practical)
Sl No | Paper Code | Subject Name | Theory Mark | Practical Marks(internal) |
1 | 1DRMPCP1 | Basic electronics | 30 | 70 |
2 | 1DRMPCP2 | SMPS Repair & Maintenance | 30 | 70 |
3 | 1DRMPCP3 | Motherboard Repair & Maintenance | 30 | 70 |
4 | 1DRMPCP4 | Monitor Repair & Maintenance | 30 | 70 |
5 | 1DRMPCP5 | Printer Repair & Maintenance | 30 | 70 |
BASIC ELECTRONICS:
Current, Voltage , Resistance, Capacitance, Inductance
Types of Resistances, Color codes, Connecting Resistors and capacitors etc.
Power and power dissipation .
Introduction to transformers.
Devices used to measure current, voltage, resistance etc.
Introduction to semiconductor diodes.
TRANSISTORS
Theory of transistors
CE, CC, CB, transistor amplifiers and their characteristics.
Introduction to rectifiers and filters.
Lead identification and checking transistors
Simple transistor circuits
Introduction to ICs
EQUIPMENTS required
Measuring instruments – Multimeters, CRO, Logic Probe
Introduction to Voltage Stabilizers, CVTs, UPS, Inverters
Motherboard Repair & Maintenance:
Idea about faster microprocessor motherboard 80286, 80386,80486, Pentium
Idea about dataflow
Function of different chips in motherboard
Dump and smart chips
Identification of different cards and adapters
Pin configuration and details of cables- RS 232- 25 pins, RS 232 C 9 pins , power
Cable testing
BASIC TROUBLE SHOOTING AND MAINTENANACE
Maintenance flow charts, routine checks
DIP switch setting
Jumper setting, installing new motherboards
Ram problems, their diagonistics and preventing maintenance
Identificatin of sectors.
ADVANCE TROUBLE SHOOTING
Tools and components
Startup problems , run problems
Display problems
Circuit board repairs.
Disassembly hints for PC- XT/AT
SMPS Repair & Maintenance :
Circuit diagram and pin assignments
Working of SMPS
Input and load requirements
Connecting a PC and peripherals to power supply
POWER SUPPLY MAINTENANCE
Cautions about opening power supply
Over voltage and over current protection
Upgrading the power supply , various test for fault tolerance.
Problem of dissimilar earth and loose connection
Protecting the PC from AC
Monitor Repair & Maintenance:
Block diagram of monochrome monitors.
Pixels and resolution
Sync section , video amplifier
Display basics, test modes and graphic mode
Display adapter cards,HGA, CGA , VGA, EGA and super VGA, XVGA
How they fail, trouble shooting and elimination, maintenance chart
Monitor adjustments , size, brightness, focus etc.
Fault in various sections of monochrome monitors
Block diagram of color monitors, basic color theoty, faults in color section
Printer Repair & Maintenance :
Types of printers.(DMP,INKJET,LASER,LINE)
Assembling & deassembling
Connecting printers to computers.
Preventive maintenance of printers.
Trouble shooting.