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 !

Tuesday, 19 February 2019

EMERSON LC-190EM1_ SERVICE MODE & ADJUSTMENTS.

EMERSON LC-190EM1  SERVICE MODE & ADJUSTMENTS.



PURITY CHECK MODE


This mode cycles through full-screen displays of Red, Blue,Green and white to check for non-active pixels.
  • Enter the Service Mode.
  • Each time pressing [7] button on the remote control unit, the display changes to White mode > Black mode > Red mode > Green mode > Blue mode > White 20% mode & back to white mode >>
  • To cancel and Exit from the purity check mode, press {PREV CH] button.
TO INITIALIZE TV

The purpose of initialization is to place the set in a new out of box condtion.  The customer will be prompted to select language and program channels after the set has been initialized.
To put the program back at the factory default,
·        Turn ON the power.
·        Enter service mode.
·        Press [Info] button on the remote control unit so initialize the TV.
INITIALIZED  will appear in the upper right of the screen.  INITIALIZED  color will change to Green from Red when initializing is completed

FIRMWARE RENEWAL MODE

There are two states in Firmware Update.  User Upgrade and Factory Upgrade.
  • User Upgrade:  Upgrade the firmware only.  The setting values are not initialized.
  • Factory Upgrade:  upgrade the firmware and initialize the setting values.
Proceedings:
    1. Turn the Power OFF and unplug the AC cord.
    2. Insert the USB storage device to the USB port.
    3. Plug the AC cord in the wall outlet and turn the Power ON.
    4. The upgrade will start and the following screen will appear on the screen.  [The screen shown here may differs depending on model]
========================================================================
Software Upgrade

Software upgrade in progress.  Please wait.  Do not remove the USB storage device of turn the TV OFF while upgrade is in progress.

          Current Version:  *******_***_*_***_****
           New Version:     *******_***_*_***_****
Downloading
=======================================================================
If the above screen isn’t displayed, repeat from step [1].  When the firmware upgrade is completed remove the storage device from the USB port.  Turn the Power OFF and then ON again.
When Factory Upgrade is used, after restarting TV, shift to initial screen menu in service mode.  ‘INITIALIZED’ color will change to Green from Red when completed

SERVICE MODE
  1. Turn the Power ON.
  2. Press [Menu] button to display Setup Menu.
  3. Select 'features'.
  4. Select 'Current Software Info'.
  5. Press [0 > 4 > 2 > 5 > 7 > 4 > Info] buttons in sequence by the remote control.
  6. To 'EXIT' service mode, press [Power] button.
Posted By: FRANK at 06:52
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