Tuesday, March 18, 2008, 8:06:35 AM
How To Repair Compaq 17" LCD Monitor
Tuesday, March 18, 2008, 8:06:35 AM
The complaint of this 17" Compaq LCD Monitor was shutdown after few seconds to few minutes. That means the display sometime will shutdown in few seconds while sometime it will shutdown in couple of minutes. When there is a display the picture worked perfectly good until it shutdown.
Troubleshooting And Repairing Dim Display Problem In BenQ FP71G+ 17" LCD Monitor
Tuesday, March 18, 2008, 8:06:00 AM
Normally for this BenQ FP71G+ LCD Monitor with the model of Q7T4 the major complaint was display appears for a while and then shutdown (cut off) but for this unit the complaint was dim display! That means you don't have the chance to see the bright BenQ logo the moment power is "On". If you look at the screen closely you could actually see the picture except that the display is very dark.
Problem in C5707 Transistor in BenQ T705 LCD Monitor
Tuesday, March 18, 2008, 8:05:37 AM
This BenQ T705 LCD Monitor has a common fault of display shutdown after few you "On" for few seconds. The cause of the problem was usually a shorted one or two of the C5707 push pull transistors. Besides the shorted transistor, one also has to check the tuning capacitor for high ESR value with the help of ESR meter.
How To Repair Monitor Display Dim Problem
Monday, March 17, 2008, 9:00:51 AM
This 17" CRT Relisys OEM Monitor came in with the complaint of dark display (can't see back raster). Even though at the front panel through the On Screen Display (OSD), you have adjusted to maximum the back raster still would not show out and the whole display appeared quite dim. Normally whenever we see this kind of dim display problem we will head straight to the flyback transformer and adjust the screen (G2) voltage control to increase the voltage to the picture tube so that the display will become brighter again.
Sticking To Your New Year Resolution
Wednesday, January 09, 2008, 8:32:33 AM
I knew lots of people who don't believe in setting resolutions for themselves. In the past they may have once set for themselves a New Year resolution but failed to implement it (doubt their ability to stick to their resolutions) or they do not believe at all setting New Year resolution that can impact their own life. So why should I set one?
How To Service A Table Fan
Tuesday, January 08, 2008, 10:35:23 AM
This Hestar table fan problem was not rotating even if it already switched "On". You could hear a sound coming from the motor and when I try turning the propeller I found it to be stuck! By right a good fan when you turn it, the propeller should rotate according to the force applied on it.
HP F1723 LCD Monitor Repair - No Power
Tuesday, January 08, 2008, 9:23:11 AM
This HP1723 17" LCD Monitor came in with the complaint of no power. Upon further inspection I could hear a soft intermittent sound coming from the both front speakers. Since the speakers can produce some sound, this indicates that the power supply should be working fine and it may be some bad components located at the secondary side that had caused the power supply voltage to drop not to start.
Electronic Equipment Repair - Can You Really Repair It?
Thursday, September 06, 2007, 8:26:40 AM
You can actually repair all kinds of electronic equipment. Electronic equipment repair? Yes it is true if you wanted to. Everyone has their passion since when they are young and some begin to know it at the later age.
LCD Monitor Problems - Easy Way To Repair It
Tuesday, August 28, 2007, 12:55:33 PM
Today's article talks about repairing the CMV 19" LCD Monitor problems model CM-922D. The complain was no power as what the customer told me. This power supply was not built into the circuit thus it need an external power adapter to power it up. The input to the LCD Monitor is 19V with 3.1 Amp from the adapter. Since the complain was no power, we have to test it out to check if the power adapter is at fault or the LCD Monitor.
Monitor Blur Problem - The Easy Way To Repair It
Friday, July 06, 2007, 9:04:53 AM
How to repair monitor blur problem by discharging the g2 and focus pin easily.
Electronic Intermittent Problem - The Easy Way To Repair It
Friday, July 06, 2007, 9:03:15 AM
Troubleshooting and repairing electronic solid problems like no power, no display, color out and etc could be very straightforward if you know the right way to do it. For example, a replacement of fuse restored the equipment back to life.
The Importance Of Electronic Components Surrounding IC's
Friday, July 06, 2007, 8:53:03 AM
Troubleshooting and repairing electronic equipment can really make us have a great satisfaction whenever a problem is solved. You don't mind how many hours have been spent especially if you are a beginner and your only focus is to find out the fault and make the equipment work again.
Voltage Testing - Every Repair Technician and Engineer Should Master This Skill
Thursday, May 31, 2007, 6:35:27 AM
By only knowing how to read electronic schematic diagram and testing electronic components were not enough to make us a good electronic repairers. Many faults can't be detected even if you know how to accurately test and check all the electronic components because those faults only can be detected by simply performing a voltage test.
ATX Power Supply - The Simplest Way To Repair It
Saturday, May 26, 2007, 11:31:30 AM
I had stopped repairing ATX power supply many years back due to the new one cost very cheap. It's not worth to repair it because the spare parts sometimes were much more expensive than getting a new power supply.
DC Regulated Power Supply - How To Use It To Find Out Shorted Components In Main Board
Wednesday, May 23, 2007, 10:29:35 AM
Quite often whenever electronic equipment don't function or work, we would immediately suspect a faulty switch mode power supply. But do you know that defective or shorted components in the motherboard or main board could cause the power supply to stop working too?
Understanding Power Supply Repair Safety
Friday, May 18, 2007, 7:02:56 AM
Simple way to know about power supply repair safety
Monitor Color Problem - How To Repair LG710E CRT Monitor With Blue Colour Missing
Thursday, May 17, 2007, 12:35:12 PM
If you think that electronic repair is very difficult to learn then you have to read this article where only by using a solder gun could solve a Monitor color problem. Of course there were many tough dog cases (very difficult to find out the fault) in electronic repair but at the same time there were also many cases that can be solve by some simple ways.
Monitor No Display - How To Repair Likom No High Voltage Problem
Sunday, May 13, 2007, 9:36:37 AM
Easily repair Likom L4031ndg monitor with no display problem
Benq LCD Monitors Model FP731 Problems Is No Power
Tuesday, May 08, 2007, 11:59:24 AM
Simple way to repair Benq fp731 LCD monitor with no power symptom.
Electronic Repair - Is It A Dying Trade Business?
Saturday, May 05, 2007, 5:51:18 PM
Many times I received the same questions from my students and friends asking whether electronic repair service line is a dying trade. My answer to them was it depends on how you treat your electronic repair business.
How To Restore A 17" Monitor CRT Picture Tube
Thursday, May 03, 2007, 4:59:45 AM
Simple way to restore a 17" monitor cathode ray tube without acrt tester.
Repairing Samsung 153V LCD Monitor With Dim Display Problem
Wednesday, May 02, 2007, 2:07:23 PM
Easy way to repair samsung 153v lcd monitor with dim display symptom
Troubleshooting And Repair Power Supply The Easy Way
Wednesday, May 02, 2007, 1:59:03 PM
Simple method to repair and trooubleshoot power supply
How To Restore Picture Tube Without using a crt tester, restorer or rejuvenator
Wednesday, May 02, 2007, 1:54:55 PM
Easy way to restore cathode ray tube in monitor
Dell Monitor Repair (Likom L705xxx Model) With No Power Symptom
Tuesday, May 01, 2007, 9:44:32 AM
Easy way to repair dell monitor with no power symptom.
How To Repair Daewoo DQD-6108 DVD With Disc Tray Shaking Problem
Thursday, April 26, 2007, 4:23:08 AM
Easy ways to solve daewoo dqd-6108 dvd disc tray jerking problem.
How To Repair Acer AJ17 Monitor With Display Big Problem
Thursday, April 12, 2007, 2:38:21 PM
Easy way to solve acer aj17 monitor with display big symptom
Understanding The High Voltage Transistor In Computer Monitor
Thursday, April 05, 2007, 12:17:24 PM
Easy way to understand the high voltage transistor in electronic circuit.
How To Troubleshoot And Repair DELL E151FP LCD Monitor With No Power Problem
Monday, April 02, 2007, 2:37:58 PM
Simple way on how to repair dell e151fp lcd monitor
Simple Ways To Understand The Filter Capacitors In Electronic Circuits
Thursday, March 29, 2007, 11:03:43 AM
How to easily understand the functions of filter capacitor in electronic circuit fast. Have you ever wonder why there are so many capacitors in electronic circuit board? They are all scattered through out the whole electronic board.
Easy Method To Connect Diodes In Series And Parallel To Get The Desire Specification
Monday, March 26, 2007, 8:27:46 AM
How to find diodes replacement with diodes in series and parallel formula.
How To Repair LG 710E CRT Monitor With Power Blink Problem
Thursday, March 22, 2007, 10:22:14 AM
How to easily repair LG 710E 17" CRT monitor with a little known secret. Now where is the culprit hiding? Troubleshooting sometimes can be very frustrated and most of the time is always fun. One of my methods that I liked to use is to touch for any unusually hot components...
How To Repair Dell E152Fpb LCD Monitor
Wednesday, March 21, 2007, 2:10:59 PM
The complaint for this DELL E152Fpb LCD Monitor was when switched on has power (LED lit) but no display. LCD Monitor is different from the CRT Monitor where you could feel the static at the front of the picture tube or hear the rushing sound from the high voltage produced by the flyback transformer.
How To Read SMD Resistor Code
Friday, March 16, 2007, 1:49:08 PM
Easily calculate the smd resistor code fast. SMD stand for surface mount device and if you repair LCD monitors, you would come across lots of SMD components. CRT monitors rarely use SMD
How To Repair Macroview Mp712s 17" CRT Monitor
Wednesday, March 14, 2007, 2:46:41 PM
The complaint for this Macroview mp712s 17" monitor was no power. Once the cover was removed and power on, you could hear a soft "chip-chip" sound indicating the power trying to come out but something had caused it to shut down. The LED indicator has no light at all. Just like troubleshooting any other monitor problems, the first thing that I do was to look for any burnt marked, loose connection at cables, dry joints and burnt components. True enough, there was a crystal clear burnt marked at the center of the main board.
Testing Coil - 3 Simple Methods To Accurately Test Any Coils Or Inductor
Tuesday, March 13, 2007, 9:12:00 AM
Testing coil is very easy compares to checking three leads components such as SCR, FET and etc. In general, a coil consists of many turns or wire wrapped around a common core.
How To Repair Dell E151Fpb LCD Monitor - No Display Problem
Monday, March 12, 2007, 10:46:24 AM
Dell E151fpb LCD monitor came in with the complaint of no power but upon carefully look at the LCD you could see a very light (blur) white flashes across the screen and the power LED is not lit. Removing the cover was a bit easy compared to other models. As usual whenever the mainboard and power board were exposed, I would look for any bulged capacitor, darkened area, a loosen connector and etc.
Interview With A Professional TV Repairer
Friday, March 09, 2007, 3:09:20 PM
How you can learn TV repair from an experienced TV repairer. The fastest way to learn anything, use the experiences of others-taking the good and making it your own while leaving their mistakes behind. The following TV repairer very graciously gave us his time and input to help guide you down the path to success in TV repairing. Learn from him! Study what he did! Avoid the mistakes he made! Take his success tips and secrets to heart because he already passed where you stand right now.
How To Solve Computer Monitor Display Problems That Caused By A Defective Screen Grid Voltage (G2)
Thursday, March 08, 2007, 8:57:45 AM
Simple and easy way to repair computer monitor display problems.
Testing SCR - How To Test And Check Silicon Controlled Rectifier
Tuesday, March 06, 2007, 12:05:49 PM
Testing SCR (silicon controlled rectifier) can be done by using an analog multi meter or specialize tester (such as the Peak electronic atlas component analyzer) designed to check semiconductor devices easily. SCR can be found in many electronic circuits.
How To Repair Dell E153Fpc LCD Monitor With Shutdown Problem
Monday, March 05, 2007, 10:42:46 AM
Easy ways to repair Dell E153Fpc LCD Monitor with no display and shutdown problem. Repairing the DELL E153Fpc LCD Monitor with the complaint of display shutdown after few seconds (power LED still on) was not difficult. Normally when this type of problem happens, we would first suspect the inverter board, then the filter capacitors and lastly the main board. A defective in one of the lamps and a faulty TL1451AC PWM IC or inverter ic may caused the display to shutdown as well. If the lamp is defective...
Testing Transformer - 3 Proven And Simple Methods To Test Transformers
Saturday, March 03, 2007, 10:29:46 AM
Testing transformer is very easy if you follow the procedure explained in this article. Generally there are two types of transformer in the market i.e. the linear type and the switch mode power transformer. In this article I'm only explain on how to test the linear transformer. Before that, I would like you to know what the function of a transformer is. The function of a transformer is to change AC voltage. A transformer cannot change direct current (DC) voltage. There are three types of linear transformer...
How To Repair Dell E173fpb LCD Monitor Easily
Friday, March 02, 2007, 3:03:06 PM
Easy way to repair DELL E173fpb LCD Monitor.
Understanding TOP223P And PQ05RD11 IC In Thompson DVD Power Supply
Friday, March 02, 2007, 8:33:00 AM
How to repair Thompson DVD power supply that used top223p and pq05rd11 ic
Understanding Monitor Flyback Transformers Internal Capacitor
Tuesday, February 27, 2007, 8:50:53 AM
How to easily test the internal capacitor of monitor flyback transformers... A good dynamic focus capacitor usually has the capacitance value from 0.5 to 1 nanofarad. If these capacitors values run, you may have some problems adjusting the focus. In other words, you just can't tune to a sharp picture no matter how hard you have tried it. You can test these dynamic focus capacitors by connecting ...
Epson Lx300 Printer Repair-No Power And Can't Print -Max232ic Faulty
Monday, February 26, 2007, 9:12:51 AM
How to repair epson lx300 printer with no power and can't print symptom.
JVC VCR Problems In Model HR-J321EM-No Power
Monday, February 26, 2007, 8:45:29 AM
Secrets to repair JVC VCR No Power Problems In Model HR-J321EM.
Resistor Color Code Secrets
Sunday, February 25, 2007, 10:51:02 AM
Understanding resistor color code band and values the easy way. Understanding resistor color code is very important if you want to calculate the resistor values of a particular resistor.
The Importance Of Electronic Repair Courses
Saturday, February 24, 2007, 7:52:25 AM
How electronic repair courses can help you to improve your electronic repair skills. Attending electronics repair course provided by your local electronic training institutions is a good move to increase your knowledge in electronics.
Understanding Transistor Cross Reference
Thursday, February 22, 2007, 9:49:06 AM
All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. The data sheet is very important for every engineers and technicians because it can help them to find the nearest replacement for the components that they are searching such as the transistor, scr, mosfet, ic, diode and other components.
Samsung 713N LCD Repair with SE7889-Lf ic Problem
Saturday, February 17, 2007, 12:07:52 PM
How to repair samsung 713n lcd monitor with se7889 lf ic problem... This Samsung 713N LCD monitor came in with no display symptom and no power. In other words, once you switched 'on' you could see the power LED lights up (no display) and then for couples ...
NEC P8000 Printer Repair Secrets
Thursday, February 15, 2007, 8:41:56 AM
How to repair NEC P8000 printer mainboard problem. If the complaint for NEC P8000 printer was a missing line across the printout, immediately we will suspect the printer head or the ribbon or even sometime the ribbon mask. Among so many brand of dot matrix printer, only this model ...
Samsung 510bn LCD Power Supply Repair Secrets
Wednesday, February 14, 2007, 1:38:48 PM
How to repair Samsung 510bn LCD monitor power supply problem.
ATX Power Supply Repair And Troubleshooting
Tuesday, February 13, 2007, 9:03:29 AM
How to repair ATX power supply with a simple troubleshooting method.
Samsung 153V LCD Monitor Power Supply Repair Tips
Monday, February 12, 2007, 1:33:23 PM
Easy way to repair and troubleshoot Samsung 153V LCD monitor power supply
Repair LCD Power Supply The Easy Way
Monday, February 12, 2007, 7:51:49 AM
Simple way to repair LCD monitor power supply: Troubleshooting LCD monitor power supply pack is easier than the crt monitor power supply. It is small and compact and usually has only one output which is 12 volt and range from 2 ampere to over 4 ampere. Some designed have 18 and 24 volts also. Nowadays most LCD power supplies are build into the main board such as the Dell E151FP LCD Monitor while the older type were separated as power pack module.
Computer Monitor Flyback Transformer - Replacement and Substitution
Thursday, February 08, 2007, 4:17:42 AM
Understanding monitor flyback transformer replacement and substitution secrets... The Computer Monitor flyback transformer comes with many types of parts number, designed and inductance winding values. Although some may have different part numbers, they can be use d to substitue on another model of monitor! The Monitor flyback transformer is manufactures by many different manufacturers thus many different kinds of part numbers are produced. If you know exactly the winding value of each flyback transformer then it is easy for you find a replacement.
How To Make Balloon Animals-The Easy Way
Monday, December 04, 2006, 3:32:42 PM
Learn how to make balloon animals the easy way.
I Want Back My Husband - Proven Method
Tuesday, November 21, 2006, 5:30:43 AM
I want back my husband-discover proven secrets to stop husband divorce and leave... Surely there must be some misunderstanding that causes your husband to leave you.
The Right Way To Discharge Capacitor In Switch Mode Power Supplies
Monday, August 29, 2005, 7:28:03 AM
The fast and simple ways to discharge the big filter capacitor in switch mode power supplies...
The Importance Of Current Sense Resistor In Switch Mode Power Supply
Thursday, August 25, 2005, 6:30:52 AM
Easy way to find out the cause of low output voltage by knowing on how to accuratey check a current sense resistor...
ESR Meter - The Capabilities To Check Beyond Electrolytic Capacitor
Wednesday, August 17, 2005, 2:10:06 AM
Easy guide to accurately test a non-polarity capacitor...There is something good about esr meter because besides electrolytic capacitor it can be use to measure other type of capacitors such as the non polarity capacitor.
Testing a Transformer - How To Accurately Test A Transformer
Thursday, August 04, 2005, 12:15:21 PM
There is two types of transformers in the market - linear transformer and switch mode power transformer. The transformers design is different.
Ceramic Disc Capacitor - How to Accurately Test It
Thursday, July 28, 2005, 9:09:26 AM
Simple way to test a ceramic high voltage capacitor that breakdown when under full operating voltage...In this article I will talk about the high voltage resin coated ceramic disc capacitor. In computer monitor
Testing Capacitor - How To Test A Capacitor When Breakdown Under Load
Thursday, July 21, 2005, 11:49:56 AM
Have you ever come across power problem where once you switch on the power supply and the fuse blow? You have checked all the components in the power (primary) and secondary section and all the components seems to be ok!
Flyback Transformer-How to Locate the ABL Line
Monday, July 11, 2005, 7:22:57 AM
Tips on how to find the abl (automatic blanking limiter) pin in a flyback transformer.
Five Band Resistor Color Code - What Does The Last Band Of White Color Represent?
Tuesday, June 28, 2005, 11:53:01 AM
In electronic repair, most of the time I came across five band resistor color code. The purpose of using the five color band resistor in a circuit is that it will provide a more accurate value compare to the four color band. For example in order to get the value of 22.
Electronic Schematics Diagram - The Four Commonly Asked Questions
Friday, June 24, 2005, 5:19:08 AM
In order to become a professional repairer, you have to know how to read electronic circuit schematics diagram. Discussion about the four most commonly asked questions from a beginner...
Testing Diode -The Accurate Way on How to Test Semiconductor Diode Using Multimeter
Monday, June 13, 2005, 9:11:23 AM
The fast and proven way to accurately test a diode using analog multimeter.
Testing Flyback Transformer - How to Test and When to Replace It
Tuesday, June 07, 2005, 8:08:41 AM
Fast and easy way to understand and testing flyback transformer. Nowadays, more and more monitor comes in with flyback transformers problems. Testing flyback transformers are not difficult if you carefully follow the instruction.
How to Read Zener Diode Code
Thursday, June 02, 2005, 4:01:48 AM
Learn the simple and easy way to read zener diode code number. Many technicians are confused on how to really read a zener diode code. There are many types of code number indicated on its body.
What is EEPROM ?
Monday, May 23, 2005, 11:31:51 AM
Understand the functions of EEPROM and how it fails... EEPROM is also called a non-volatile memory because when power is turned off the stored data in the EEPROM will not be erased or intact.
Electronic Books And Magazines Can Be Among Your Cost Effective Servicing Tools
Monday, May 23, 2005, 11:31:06 AM
The easiest ways to upgrade your electronic repair knowledge is by reading electronic books and magazine. A few dollars spent on the right book or magazine can earn you hundreds of dollars. It opens up a whole new world of never ending knowledge. Always be on the lookout for good books and magazines.
How to Solve Multiple Paper Loading Problem in HP5L and HP6L Laser Printer
Monday, May 23, 2005, 11:30:14 AM
Learn the simple ways to troubleshoot your own laser printer without sending to a laser printer repair center.
How to Read CRT Tube Part Numbers
Monday, May 23, 2005, 11:29:32 AM
Easily and quickly understand the code number of picture tubes or crt...All picture tubes, whether monochrome or color type are identified by a specific code consisting of numbers and letters. The codes are different from each other because different tubes have different characteristics.
What Is A Crystal? And How To Test It
Monday, May 23, 2005, 11:28:53 AM
Simple ways to understand about the functions of crystal and how to check it...
Setting Up as an Electronic Repair Authorized Service Center
Monday, May 23, 2005, 11:23:13 AM
Understand the procedure on how to set up a electronic repair authorized service center...Setting up from scratch as an Authorized Service Center is not an easy job. Your workshop needs to meet the manufacturers' requirement first
Understanding Transistor Data and Replacement
Monday, May 23, 2005, 11:21:52 AM
If, for some reason, you can't get an exact replacement for the transistor that you want to replace, you can refer to one of the transistor substitution guides or book, and try to identify a "near replacement". Beware, however...
What Is A Fuse? And How To Test It
Monday, May 23, 2005, 11:21:27 AM
A fuse is a very thin wire, which either melts or vaporizes when too much current flows through it. The thin wire may be made of aluminum, tin-coated copper or nickel. The resulting open in the circuit stops current flow.
What is ESR Meter?
Monday, May 23, 2005, 11:20:40 AM
All capacitors have a certain amount of resistance to the passage of AC current. ESR (Equivalent Series Resistance) is the sum of all internal resistances of a capacitor measured in Ohms...
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