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, 16 March 2019

GRUNDIG - GBC3000 _ GBC2700 _ GBC2800/3800 _ GBC2900/3600_GBC2600 SERVICE MODE - ATS & SCHEMATIC DIAGRAM FOR POWER REGULATOR [SMPS]

GRUNDIG - GBC3000 _ GBC2700 _ GBC2800/3800 _ GBC2900/3600_GBC2600

SERVICE MODE - ATS & SCHEMATIC DIAGRAM FOR POWER REGULATOR [SMPS] - 

Used ICs: (MC44608_2SK2545(FET)_PC123FY(Opto-isolator)
SMPS SCHEMATIC [Arcance 70 Flat - Arcance 72 Flat - Elegance 70 Flat - Elegance 82 Flat - Sedance 70]
CLICK ON THE SCHEMATIC TO ZOOM
SERVICE MODE
Press button " i " (Main Menu) à Enter Service Code "8500".
End the Service Mode: Press button "TXT".
Auto program (ATS)
  • Buttons " i " (Main menu) à P+/P– "SETUP" à "OK" à P+/P– "AUTOPROGRAM" à  "OK" à P+/P– / / select Country and start search with "OK".
  • The auto program system stops at every station of acceptable reception quality (AFC and coincidence) and stores the station data and the respective standard automatically. The system then continues searching.
  • Pressing the " I " button stops the ATS function.
Software Version Number
The software version number is shown after ending the service mode:
VER SB8973G_G02
CF13
T01031711