led lcd tv motherboard smps and spares available

Dhanlaxmi electronics tiruppur

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Recommended Troubleshooting

LED LCD TV  FIRMWARE UPDATING SOFTWAR  ....NAME MSTAR

Mstar Main S/W Program Download

• Connect the download jig to D-sub(RGB) jack.
• Execute ‘ISP Tool’ program, the main window (Mstar ISP utility Vx.x.x) will be opened.
• Click the “Connect” button and confirm “Dialog Box”

• Click the “Config.” button and Change speed I2C Speed setting : 350 Khz ~ 400 Khz.
• Read and write bin file.  Click “(1)Read” tab, and then load download file (XXXX.bin) by clicking “Read”.

• Click “(2) Auto” tab and set as below.
• Click “(3) Run”.
• After downloading, you can see the “(4) Pass” message.

USING MEMORY STICK

• Insert the USB memory stick to the USB port.
• Automatically detect the SW Version. à  S/W download process is executed automatically.
• Show the message “Copy the file from the Memory.
• After Finished the Download, Automatically DC Off à On.
• Check the update SW Version.

http://www.electronicrepairguide.com/lcd-television-repair-ebook.html

Learn how to repair common failures in LCD TVs with this 195 page comprehensive guide. This book was written for beginners in electronics repair and includes many photos. If you want to get started in LCD TV repair or electronics repair than this is a good book for you. Maybe you have a broken LCD TV sitting at home and you want to repair it yourself. No matter who you are or what your reason is for wanting to repair LCD TVs you have come to the right place. Order any time 24 hours a day 7 days a week. Once you complete your purchase you will be sent a link to download a copy of this 195 page guide immediately.

Over 40 Chapters

Liquid Crystals
Liquid Crystal Displays
The Power Supply Board
The Inverter Board
The Main Board
The Controller/T-Con Board
The LCD Driver Board
The Standby Circuit
The Liquid Crystal Display In Depth
Tools
Test Equipment
Schematic Diagrams
Understanding and Testing Resistors
Understanding and Testing Capacitors
Understanding and Testing Inductors
Understanding and Testing Transistors
Understanding and Testing Diodes
Understanding and Testing Bridge Rectifiers
Understanding and Testing LEDs
Understanding and Testing Switching Transformers
Understanding and Testing Opto-Isolators
Understanding and Testing Voltage Regulators
Understanding and Testing Switches
Understanding and Testing Fuses and Varistors
Some Testing Tips
Useful Formulas
How To Disassemble An LCD TV
Voltage Test Points
The Tap Test
Freeze Spray and Hair Dryers
Connection Problems
PSU (Power Supply Unit) Failures
Inverter Board Failures
Main Board Failures
No Video
No Audio
OSD/Menu Failure
White Screen
Rainbow Screen
Screen Flashes Then TV Shuts Down
No Back light
Lines In Picture
Cracked Panel
LCD TV Repair Case Histories
Safety
Conclusion
Further Reading
Websites and free download(LCD TV Display Failure Symptoms and possible causes)
Part, Tool and Test Equipment Distributors

Learn to identify important circuits and components found in LCD TVs

Typical LCD TV power supply board

LCD TV Main Board


LCD TV controller/t-con board



LCD TV inverter board

These are only examples of some of the photos found inside. In this guide you will also learn how to test the important circuits and components found in LCD TVs.

In this guide you will also learn how he repaired these LCD TVs…..

samsung LNT4061FX/XAA

Set had vertical colored lines and no OSD.

samsung LNT4661F

Takes some time to power on and when it is on there are red dots throughout the picture.

Samsung LNT4671FX

Unit cycles on and off for minutes before coming on.

Westinghouse LTV32W1

No power, Power LED turns blue to amber then off, may be intermittent.

Sylvania  LC320SL8

No power, fuse blown.

Sharp LC37D43U

No back light.

Polaroid FLM323B

No audio.

Polaroid FLM3732

No power, no standby LED.

Magnavox 50MF231D/37

Power LED lights but set does not come on.

Find out how he repaired the LCD TVs listed and more inside this easy to follow guide.

Also included with this guide is full email support from John. Once you’ve purchased this guide you will be able to email John with any LCD TV repair questions, questions about testing components, taking measurements or to receive guidance in understanding some of the electronics concepts in the book. You can use the email support for help finding service manuals, schematic diagrams, data sheets, parts distributors, help repairing a specific model of LCD TV and more, 24 hours a day. John will respond to emails usually within 12-24 hours or less.

http://www.eserviceinfo.com/equipment_mfg/LG_2.html