REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Monday, 25 March 2019

VIORE _ LCT37V66HM _ FIRMWARE [PROGRAM GUIDE] _ TROUBLESHOOTING HINTS

VIORE _ LCT37V66HM _ FIRMWARE [PROGRAM GUIDE] _ Troubleshooting Hints




PROGRAM GUIDE

  • Use the cable adaptor. Printer port plug connect to your PC and the VGA Jack connect to LCT42Z6TM Monitor VGA socket.
  • Expand “ISP_tool.rar”, then run “ISP_tool V4.0.5.exe ” program with your PC.  Your PC will appear.
  • Click “Read” button and select “MST_FLASH_512.Bin” file to load CODE data.
  • Click “Connect” Button, connect your PC.
If connecting fail, it will show a message.

  • When all of the step is correct to run, Click“Auto”Button, it will go to the Program state, then Click“Run”Button, it will finish the installation automatic.
  • If this step fail, press “run” button again, till the installation is ok.
  • After the installation is finished, please turn off the power, waiting the LED of the monitor is turning off before you use the monitor.
Troubleshooting Hints

DO NOT POWER ON.
  • Check AC cable if connect to AC plug.
  • Is true the connector don’t connect to AC plug. Please connect it.
  • Check AC cable if connect to AC power.
  • Is true the AC cable don’t connect to AC power. Please connect it.
  • Check power board of fuse if broken.
  • If the F1 fuse is broken, Please pull out the AC cable from AC power. Please check AC L power and AC N ground by multimeter, The read number is infinite, the fuse is broke. Then look up power board if not burn out place. Is true it. Please change power board or be changed power board.
POWER 'ON' SWITCH OFF GREEN AND EXTINGUISH
  • The indicator light work normal (green light ).
  • Check backlight of connector if not it direction is wrong or the connector of wire compositor direction is wrong.
  • Check connector panel of voltage is +24v. It’s true. Then to check of the first pin if it have +5V voltage, It’s true, than to check power board of +24v voltage, It’s true. The panel of backlight board is fail. The change panel of backlight board.
THE SCREEN DO NOT HAVE PICTURE, BUT HAVE BACKLIGHT
  • Check to panel of voltage , check Main Board IC N031 the 5 pin of voltage is +12v.  If not, check the +12v power.
  • Check main baord.
THE REMOTE CONTROL DOES NOT WORK
  • Check batteries of remote control if it run out of .
  • Check whether the remote control have infrared emission.
  • Check main board of connecter X014 of wire connect fastness and the connector of wire open.
  • Check the infrared sensor inside the TV.
NO SOUND; PICTURE OK
  • Check main board +24v voltage of connector X032, It’s true not +24v voltage. Then to to check power main +24v fail.
  • If +24V is ok, check the audio output IC, or replace the audio output card.
  • Check whether 'Mute' function is ON.
  • Check the speakers.
Posted By: FRANK at 04:30
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