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 !

Friday, 1 March 2019

GRUNDIG TV – SERVICE MODE – CHILD LOCK CANCEL – EEPROM VERSION – HOTEL MODE -- FULL GUIDE

Grundig TV – Service Mode – Child lock cancel – EEPROM version – Hotel mode

How to enter service mode - Child lock release - Hotel mode cancel - EEPROM version number - Grundig Televisions
Grundig CUC1800 CTV
Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1800 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1800 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service', 'Code 8500'.
Grundig CUC1805 CTV ATS Reset Press and hold button VOL+ on the TV and switch the mains button ON. ATS bit is set.
Grundig CUC1805 CTV Child Lock
Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1805 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC1805 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1805 CTV Service Mode Press 'i'. Dialog Center --> Service --> 'for authorized dealer' --> Code Number 8500.
Grundig CUC1805 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button. Grundig CUC1806 CTV Child Lock Cancel General reset with number 7038.
Grundig CUC1806 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.
Demo off: ATS Reset (by depressing the 'L+'button on the TV while switching on with the mains button).
Grundig CUC1806 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1806 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1806 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1821 CTV Child Lock
Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1821 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr.  (19798-300.01) indicates the EPROM version.
Grundig CUC1821 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service', 'Code 8500'.
Grundig CUC1822 CTV 
Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1822 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1822 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service', 'Code 8500'.
Grundig CUC1824 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1824 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service',
'Code 8500'.
Grundig CUC1825 CTV ATS Reset Press and hold button VOL+ on the TV and switch the mains button ON. ATS bit is set.
Grundig CUC1825 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1825 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1825 CTV ROM Data Loading
Press and hold the P- buton on the TV and switch on with the mains button. Loading the Average Values / Emergency Data Set (ROM Dana). This is only possible once on replacement of the NVM or uP.
Grundig CUC1825 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1825 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC1826 CTV ATS Reset Press and hold button VOL+ on the TV and switch the mains button ON. ATS bit is set.
Grundig CUC1826 CTV Child Lock
Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1826 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1826 CTV ROM Data
Loading
Press and hold the P- buton on the TV and switch on with the mains button. Loading the Average Values / Emergency Data Set (ROM Dana). This is only possible once on replacement of the NVM or uP.
Grundig CUC1826 CTV Service Mode Press 'i'. Dialog Center --> Service --> 'for authorized dealer' --> Code Number 8500.
Grundig CUC1826 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC1827 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1827 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC1827 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1827 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1827 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC1828 CTV Child Lock
Cancel General reset with number 7038.
 Grundig CUC1828 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.
Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1828 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1828 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1828 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1829 CTV Child Lock Cancel General reset with number 7038.
Grundig CUC1829 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button. Press the 'P+' button within a time of 10s.  Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1829 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1829 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1829 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1830 CTV Child Lock Cancel General reset with number 7038.
Grundig CUC1830 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s. Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1830 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1830 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1830 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1836 CTV Child Lock Cancel General reset with number 7038.
Grundig CUC1836 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.  Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1836 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1836 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1836 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1842 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1842 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.  Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1842 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1842 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1842 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1851 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1851 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1851 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service', 'Code 8500'.
Grundig CUC1852 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1852 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1852 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service', 'Code 8500'.
Grundig CUC1881 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1881 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1881 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service', 'Code 8500'.
Grundig CUC1892 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1892 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1892 CTV Service Mode Menu guide: 'i', 'Special functions', 'Service', 'Code 8500'.
Grundig CUC1894 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1894 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.  Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1894 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1894 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1894 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1929 CTV Child Lock Cancel General reset with number 7038.
Grundig CUC1929 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.  Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1929 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1929 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1929 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1952 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1952 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.
Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1952 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1952 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1952 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1962 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1962 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.
Press the 'P+' button within a time of 10s. Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1962 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1962 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1962 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1983 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1983 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.  Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1983 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1983 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1983 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC1984 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC1984 CTV Demo Mode
Demo on: Depress and hold button 'L+' on the TV and switch the TV on with the mains button.  Press the 'P+' button within a time of 10s.  Demo off: ATS Reset (by depressing the 'L+' button on the TV while switching on with the mains button).
Grundig CUC1984 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC1984 CTV
Factory
Default
Values
Resetting
Buttons 'AUX', 'OK'.
Grundig CUC1984 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC2020 CTV Band Limits
Cancelling
Depress and hold button 'i' on the RC while switching on with the mains button. Move the bar to 'AGC' in the Service Menu and operate the buttons 'AUX', 'OK' in this order.
Grundig CUC2020 CTV Child Lock
Cancel General reset with number 7038.
Grundig CUC2020 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button.  (Additionally on replacement of the memory, the Hotel Mode and the band limits are to be deactivated and the AGC and AFC are to be readjusted).
Grundig CUC2020 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC2020 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC2020 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC2030 CTV Band Limits Cancelling
Depress and hold button 'i' on the RC while switching on with the mains button. Move the bar to 'AGC' in the Service Menu and operate the buttons 'AUX', 'OK' in this order.
Grundig CUC2030 CTV Child Lock Cancel General reset with number 7038.
Grundig CUC2030 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button.  (Additionally on replacement of the memory, the Hotel Mode and the band limits are to be deactivated and the AGC and AFC are to be readjusted).
Grundig CUC2030 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC2030 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC2030 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC2031 CTV Band Limits Cancelling
Depress and hold button 'i' on the RC while switching on with the mains button. Move the bar to 'AGC' in the Service Menu and operate the buttons 'AUX', 'OK' in this order.
Grundig CUC2031 CTV Child Lock Cancel General reset with number 7038.
Grundig CUC2031 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button.
(Additionally on replacement of the memory, the Hotel Mode and the band limits are to be deactivated and the AGC and AFC are to be readjusted)
Grundig CUC2031 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC2031 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC2031 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC2050 CTV Band Limits Cancelling
Depress and hold button 'i' on the RC while switching on with the mains button. Move the bar to 'AGC' in the Service Menu and operate the buttons 'AUX', 'OK' in this order.
Grundig CUC2050 CTV Child Lock
Cancel General reset with number 7038.
Grundig CUC2050 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button.  (Additionally on replacement of the memory, the
Hotel Mode and the band limits are to be deactivated and the AGC and AFC are to be readjusted).
Grundig CUC2050 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC2050 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC2050 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC2051 CTV Band Limits Cancelling
Depress and hold button 'i' on the RC while switching on with the mains button. Move the bar to 'AGC' in the Service Menu and operate the buttons 'AUX', 'OK' in this order.
Grundig CUC2051 CTV Child Lock
Cancel General reset with number 7038.
Grundig CUC2051 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button.  (Additionally on replacement of the memory, the Hotel Mode and the band limits are to be deactivated and the AGC and AFC are to be readjusted).
Grundig CUC2051 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC2051 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC2051 CTV Service Mode Menu guide: 'i', 'Dialog Center', 'Service', 'Only for retailer', 'Code 8500'.
Grundig CUC6300 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6300 CTV
Default
Values
Entering
Depress and hold the 'i' button on the RC while switching on with the mains button. Menu guide:
'Horizontal Position', 'OK', 'OK', press 'i' to leave the menu.
Grundig CUC6300 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6300 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC6301 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6301 CTV
Default
Values
Entering
Depress and hold the 'i' button on the RC while switching on with the mains button. Menu guide:
'Horizontal Position', 'OK', 'OK', press 'i' to leave the menu.
Grundig CUC6301 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6301 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC6310 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6310 CTV
Default
Values
Entering
Depress and hold the 'i' button on the RC while switching on with the mains button. Menu guide:
'Horizontal Position', 'OK', 'OK', press 'i' to leave the menu.
Grundig CUC6310 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6310 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'
Grundig CUC6330 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6331 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6360 CTV Child Lock  Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6360 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC6360 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC6360 CTV Hotel Mode
Depress and hold button 'P/C' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6360 CTV Service Mode Depress and hold the 'P/C' button on the RC while switching on with the mains button.
Grundig CUC6360 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC6365 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6365 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC6365 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC6365 CTV Hotel Mode
Depress and hold button 'P/C' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6365 CTV Service Mode Depress and hold the 'P/C' button on the RC while switching on with the mains button.
Grundig CUC6365 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC6380 CTV Child Lock
Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6380 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC6380 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC6380 CTV Hotel Mode
Depress and hold button 'P/C' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat
the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6380 CTV Service Mode Depress and hold the 'P/C' button on the RC while switching on with the mains button.
Grundig CUC6380 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC6450 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6450 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC6450 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC6450 CTV Hotel Mode
Depress and hold button 'P/C' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6450 CTV Service Mode Depress and hold the 'P/C' button on the RC while switching on with the mains button.
Grundig CUC6450 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC6460 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6460 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC6460 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC6460 CTV Hotel Mode
Depress and hold button 'P/C' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6460 CTV Service Mode Depress and hold the 'P/C' button on the RC while switching on with the mains button.
Grundig CUC6460 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC6469 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC6469 CTV
Default
Values
Entering
Depress and hold the button 'P-' on the RC while switching on with the mains button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC6469 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC6469 CTV Hotel Mode
Depress and hold button 'P/C' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC6469 CTV Service Mode Depress and hold the 'P/C' button on the RC while switching on with the mains button.
Grundig CUC6469 CTV
Volume
Offset
Cancel
Press and hold the 'AUX' button on the RC while switching the TV on with the mains button.
Grundig CUC7300 CTV
Default
Values
Entering
Depress and hold down button 'P-' on the RC and switch the TV on from Standby with the local 'P+' button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC7300 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC7300 CTV Hotel Mode
Depress and hold button 'P/C' while switching on from Standby with button 'P+' on the TV. Set the Hotel Mode to 'OFF' with 'OK'.
Grundig CUC7300 CTV
Volume
Offset
Cancel
Depress and hold the 'AUX' button on the RC while switching the TV on from Standby with the local 'P+' button.
Grundig CUC7301 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC7302 CTV
Default
Values
Entering
Depress and hold down button 'P-' on the RC and switch the TV on from Standby with the local 'P+' button. (This is only possible once on replacement of the NVM or uP).
Grundig CUC7302 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC7302 CTV Hotel Mode
Depress and hold button 'P/C' while switching on from Standby with button 'P+' on the TV. Set the Hotel Mode to 'OFF' with 'OK'.
Grundig CUC7302 CTV
Volume
Offset
Cancel
Depress and hold the 'AUX' button on the RC while switching the TV on from Standby with the local 'P+' button.
Grundig CUC7303 CTV Band Limits
Cancelling
Depress and hold button 'i' on the RC while switching on with the mains button. Move the bar to 'AGC' in the Service Menu and operate the buttons 'AUX', 'OK' in this order.
Grundig CUC7303 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC7303 CTV OSD
position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC7305 CTV Band Limits
Cancelling
Depress and hold button 'i' on the RC while switching on with the mains button. Move the bar to 'AGC' in the Service Menu and operate the buttons 'AUX', 'OK' in this order.
Grundig CUC7305 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC7305 CTV OSD position
Depress and hold the 'i' button on the RC while switching on with the mains button. Set the OSD position in the menu and store with 'OK'.
Grundig CUC7350 CTV Hotel Mode
Depress and hold button 'i' on the RC while switching on with the mains button. In the menu line 'HOTEL' select 'ON' and leave the menu with button 'i'. Cancelling the Hotel Mode: Repeat the steps above but change 'HOTEL' to 'OFF'.
Grundig CUC7851 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC7851 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC7880 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC7880 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC7890 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Grundig CUC7890 CTV EPROM
Version Nr.
Press button 'i' to call up the 'Dialog Center' --> OK. The version number is shown by pressing the 'AUX' button. The index 01 of the part nr. (19798-300.01) indicates the EPROM version.
Grundig CUC7951 CTV Child Lock Cancel Press VOL+, VOL-, PR-, PR+, OK.
Posted By: FRANK at 01:53
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