The Tacho Pro Scanner display screen problems?

Tacho Pro Universal Update& Repair Kit can repair the following troubles:
1, Screen display: Diga update
2, Screen display: RESET
3, No display after powered on
4, No vehicle list, screen display black strip
5, Frequently Halting
6, Screen display both the following:update handheldSYNC
7, The machine cannot read EEPROM.IF tacho 2008.01 Screen Display Reset,you only need Replace IC111 And IC112.

How to use it:
1. IF tacho 2008.01 Screen display diga updaten,you only need Replace IC111 And IC112
2. IF tacho 2008.01 Screen Display Reset,you only need Replace IC111 And IC112
3. IF tacho 2008.01 No Display After Powered on,you only need Replace IC111 And IC112
4. IF tacho 2008.01 No Vehicle List,Screen Display Black Strip,you only need Replace IC111 And IC112
5. IF Frequently Halting, you only need Replace IC111 And IC112
6. IF tacho 2008.01 Screen Display both the Following: Update Handheld, SYNC , you need Replace AT24C02 First,IF the trouble can’t be Sloved,Then Replace Crystal Scillator
7. The Machine can’t read eeprom,Replace 74HC541.

Here is the Tacho Pro V2008.07 Update& Repair Kit.