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SEPDISP26

Modification instructions for Audi A4 B6/B7 and Seat Exeo instrument cluster display

Before installing the new SEPDISP13 display, please read carefully the following instructions. Our technicians, for illustrative purposes only, have made a video tutorial about how to repair the module.
DON’T SKIP ANY STEP.

Warning: this process is recommended only to expert and qualified staff

NOTE:
The following instructions are for SEPDISP26 displays marked with D26A02XXXX serial numbers on the FPC (see picture beside).

• Replace the display in an ambient temperature of 25 °C.
•After replacing the LCD, switch on the cluster (pin no. 2 and pin no. 3 positive, pin no. 18 negative).
• Identify the PCB of your dashboard (PCB1 or PCB2) and measure the voltage between the points A and B with a multimeter.

• If the voltage measured is between 7.0V and 7.2V, no modification is necessary;
• If the voltage detected is instead lower than 7.0V or higher than 7.2V, it is necessary to do the modification described in the following paragraph “EEPROM MODIFICATION”.

Eeprom modification

NOTE: For this modification, it is necessary to use an EEPROM programmer.
We recommend our SEP-EECLIP.

•First, set the programmer reading in hexadecimal (HEX).
• De-solder the 24C08 EEPROM, highlighted in picture 3.

ATTENTION: Make a backup of the EEPROM, before the modification.

• To reach a voltage between 7.0V and 7.2V, it is necessary to modify the value of 039B location;
Please note that increasing or decreasing these locations by 1 HEX unit, the variation will be +/- 0.09V.

If not familiar with hexadecimal calculation, it is possible to use the calculation tool in the box beside, simply typing in the values.

NOTA: For the version that can be used offline, download the PDF.

Calcolo SEPDISP26

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CALCULATION OF THE NEW VALUES OF THE LOCATIONS

• Type in the value of voltage measured between A and B points

• Type in the HEX value of the location 039B*

• New value to type in the location 039B.

*How to identify 039B location value on the EEPROM

Verification

Once these modifications have been done, measure again the voltage between A and B points and check that it actually is between 7.0V and 7.2V. If not, increase or decrease the location until the value is as close as possible to the right range.