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!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Saturday, 23 February 2019

GRUNDIG - ACCORO 102 MFW 102-6110MV AC3 - SERVICE MODE

GRUNDIG - ACCORO 102 MFW 102-6110MV AC3 - SERVICE MODE

TO ENTER SERVICE MODE
  • Press 'Mute' button on the remote control.
  • Press "Mute" button Again and keep it pressed while pressing the 'Menu' button on the Tv set.
  • On the picture screen appear the alignment name and value.
  • To "Exit" form service mode, switch OFF the TV by its main power ON / OFF switch.
BUTTON FUNCTIONS
  1. R-Cutoff => indication RCUT
  2. G-Cutoff => indication GCUT
  3. B-Cutoff => indication GCUT
  4. Basic Contrast => indication SCNT
  5. Basic Color Contrast => indication COLP with PAL:  indication COLS with SECAM:  indication COLC with NTSC.
  6. NTSC color adjustment =>   indication TNTC.  [7] & [8] => Not Used.
[9].  Self check.
[AV]  Test Patterns/ PAL / NTSC [red,green, blue & raster]
[-i] (yell).  Convergence alignment.
[Call].  Initialization.  Clear counter for service hours & overload protection.
[Info].  Switch Off pattern for Screen alignment.

DIRECT CONTROL BUTTONS ON THE SET
[Vol -ve + >] Select service function.
"> <" . Change settings.
Menu => Display / Exit alignment menu.

INITIALIZATION OF QA02.

 NB:  With this service function all customer and service-specific software settings are cleared.  If the settings of the service function should be displayable in the case of service, it is recommended to note down these settings in order to recover them after replacement of the initialization of the [QA02].

The [QA02] is to be initialized after replacement.
  • Activate the Service Mode.
  • Press [Call] button on the remote cotntrol, hold sit down and press the [>] button on the TV set.  The screen turns 'blank' and the set switches temporarily to 'standby'.
  • Activate the service mode.
  • Press [Call] button on the remote control, hold it down and press the 'Menu' button on the TV set. This mode carry out only the following settings, otherwise the correct function of the set is not guaranteed.
  • Use the [Vol -ve] button to select "OPT 1"service function, then use the [> <] buttons to select "7EH" value.
  • Use the [Vol - ve] button to select "OPT 0" service function, then use the {< >} buttons to set the "B 0H" value.
  • Check and correct picture settings
Posted By: FRANK at 05:33
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