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 14 December 2019

GRUNDIG TORONTO 32-79232 T - GBH173 HOW TO ENTER THE SERVICE MODE – DEFAULT DATA VALUES - SMPS SCHEMATICS

Grundig Toronto 32-79232 T - GBH173 How to enter the service mode – default data values - SMPS schematics

Grundig - Vision 4 - 26-4940 T - GBH3626; 32-4840F T - GBH3532; 32-4940 T - GBH3632; 37-4940 T - GBH3637
Vision 6 - 32-6950 T - GBH4832; 37-6950 T - GBH4837; 42-6950 T - GBH4842
Service mode and Special Functions
i - call up/exit the dialog center/exit the service mode.
Up/Dn – call up the dialogue line.
OK  - call up the menus.
+/--  - changing settings.
Z  - sub menu: back to main menu
 Main menu: exit the service mode.
Calling up the Service Mode
Press button " i " (INFO)
Enter the code number "8500”
Exit the Service Mode
Press button " i "
Basic Settings [Default data]
Software Version Number
The software version number is shown on the lower part of the service menu and of the options, e.g
Channel Search
– Press button " i " (MAIN MENU)
– Select "CHANNEL SETUP" with the buttons "+ / –" and confirm with button "OK" ( ).
– Select "Auto Tuning" with the buttons "Up/Dn" and confirm with button "+"
– Select the required Country with the buttons "+ / –".
– Select "Scan Type" with the buttons "Up/Dn" and adjust with buttons "+ / –".
– Select "Time Zone" with the buttons "Up/Dn" and adjust with button "+ / –".
– Start "Channel setup" with the button "OK"
The auto programme 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 programme search.
Hotel Mode
Maximum volume is limited and it is no access to "Setup" at activated hotel mode.
Call up: i >  "8500" > "OPTION 1" > "OK"  > "Hotel" > 12 "AVAIL"
Maximum volume: i > "8500" > "OPTION 1" > "OK"  >  "Hotel Volume" > 12Wert 0…63
Standby power schematic
Main power supply FSP2223-3F01
Main board
Main Power Supply FSP337-3F01, FSP361-3F01
Posted By: FRANK at 08:47
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