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09864032319 , 09678176577 datacomes@gmail.com

Course Code: BPM
Course Fees: 7,000
Course Duration: 3 months

Topics Covered

How to execute a Monitor Testing Program

* Explains the functions keys F1 to F10
* Explains the alphabet keys A,B,C,D & E

Removing Monitor Cover

-How to use a gently manner to remove a monitor cover

Safety Precautions

* Explain about the safety precaution when comes to monitor repair
* SMPS Filter Capacitor
* Discharging CRT anode
* High Voltage (24KV)
* Electrical shocks
* Fire
* Isolation Transformer
* Wearing goggles (especially tube)
* HOT Ground
* Lifting
* (Students will be able to know):-

– The danger of electrical shock and high voltage.
– How to avoid electrical shocks
– How to discharge the filter cap and anode voltage

Explanation on each section of a monitor

* Switch mode power supply (SMPS)
* Cathode Ray Tube (CRT)
* Video Board
* High Voltage Section
* Horizontal Section
* Vertical Section
* Flyback Transformer
* Micro-P IC
* Horizontal Output Transistor (HOT)
* Degaussing Coil
* Deflection Yoke Coil
* Switch Mode Power Transformer
* Posistor
* B+ FET
* Monitor Controls
* EEPROM IC

-How A Monitor Work

-Explain the functions of a monitor based on a basic monitor block diagram

* SMPS
* CRT
* Video Signal
* Video Driver Circuit
* Video Output Circuit
* Micro-P
* EEPROM
* Flyback Transformer
* B+ Circuit
* Horizontal Signal
* Horizontal Oscillator
* Horizontal Drive
* Horizontal Output
* Horizontal Deflection Coil
* Vertical Signal
* Vertical Oscillator
* Vertical Output
* Vertical Deflection Coil

How To Read Monitor Schematic Diagram

Describe to students every section of a monitor circuit base on a monitor schematic diagram
* (Students will be able to read a monitor schematic diagram and start troubleshooting, recognize monitor components symbols,for example:

Flyback Transformer, SMPS Transformer, CRT and etc.

-Removing Main Board From A Monitor

– To Discharge All Capacitors With Resistor And Screw Driver
– To remove all cables connected to CRT
– To Install back the main Board

Parts involved:

* Yoke Coil
* Degaussing Coil
* CRT Grounds
* Anode Cap
* Video Board
* Monitor Controls
* (Participants will be able to:-

– Remove and install main board without fear of getting electrical shock
– Double confirm before switching on the MONITOR otherwise it may not work.)

Flyback Transformer / SMPS / B+ Coil / Horizontal Yoke Coil

* Remove & Install a flyback transformer / SMPS / B+ Coil /

Horizontal Yoke Coil

* To check flyback primary transformer winding if good or bad with a flyback Tester. Answer will be filled by participant.
* To check flyback internal capacitor if is good or shorted with an analog multimeter. Answer to be filled by participant
* To check flyback internal capacitor if is good or shorted with digital capacitor meter. Answer to be filedl by participant.
* To check SMPS primary winding if is good or bad with Flyback

Tester. Answer to be filled by participant.

Tea Break

* To check B+ coil if it good or bad with Flyback Tester. Answer
to be filled by participant.
* To check Horizontal Yoke Coil if it is good or bad with Flyback
Tester. Answer to be filled by participant.
* (Participant will be able to know if flyback, SMPS, B+ coil and
Horizontal Yoke Coil is good or bad
-Diagnose a problem caused by a defective Flyback, SMPS, B+Coil and Horizontal Yoke Coil)

Checking VGA Signal Cable

* To check if there is any broken wires in VGA signal cable.
* To explain each functions of a signal pin 1,2,3,13 and 14
* (Participant will be able to know:-

-if a monitor colors and sync problem are caused by a defective signal cable
-how to fabricate a new VGA connector in case there is a broken wire inside the VGA signal cable.)

Monitor Blur Buster

* Install a Monitor Blur Buster
* Remove a Monitor Blur Buster
* Explain the purpose of Monitor Blur Buster
* (Students will be able to:-

-Install a Monitor Blur Buster if a monitor blur
-Use Monitor Blur Buster to diagnose to see if blur are caused by flyback or picture tube.

Making Internal Adjustment

* To make voltage measurement in some critical test points within the monitor circuit such as

– Measure AC Voltage in
– SMPS filter cap
– All Secondary Voltage
– Voltage regulator input / output
– Micro-P
– Focus
– Anode
– B+ pin
– Display IC VCC
– Horizontal IC VCC
– Vertical IC VCC
– Heater
– G1
– G2
– R, G, B Cathode
– EEPROM

* (Students will be able to:-

-Troubleshooting minor monitor problems base on voltage measurement
-Know where to begin troubleshooting when the voltage reading in incorrect.)
Lunch Break

Illustration Of Monitor Problems & Solutions

* To explore participant to real life monitor problem and suggested solution

– No Power
– No display
– No Raster but have picture
– Raster too bright (with retrace line)
– Blur display (poor focus)
– Dim Display
– Horizontal size big
– Horizontal size small
– Cannot save current setting
– Monitor has tic-tic sound
– One Horizontal Line
– Vertical size big
– Vertical size small
– No green color (only purple color)
– No red color (only cyan color)
– No blue color (only yellow color)
– Adjust brightness no effect
– Pincushion out
– No vertical sync
– No horizontal sync
– Vertical overlapping
– Power Blink
– One vertical line

* (Students will be able to:-

– Diagnose monitor problem base on symptom appeared on the monitor screen

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