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5.2 Replacement of 999 Module, Main chassis
Replacement of 999 Module, Main chassis
Power supply must be discharged!
For detailed dismantling instructions, please refer to illustrations on page 5.9.
Notice
All modules must be placed on the ESD-mat or in an ESD-proof bag.
Replace 999 Module
. Set the product in service position.
2. Discharge the power supply.
3. Connect ESD-mat.
4. Disconnect cables and modules from the Main chassis.
5. Remove the Main chassis and place it on the ESD-mat.
6. Insert the new Main chassis in the product.
7. Transfer customer settings, production settings and PIN-code data to the new
chassis, by means of ServiceTool.
8. Remount modules and reconnect cables to the Main chassis.
9. Reconnect remaining cables.
The product is now ready for adjustment.
0. Disconnect ESD-mat.
. Connect mains.
2. Turn on the product.
Enter TV Service menu
3. Transfer the values for Tuner Taker Over, IF adjust and FM Sound adjust.
Enter Monitor Service menu
Check picture and geometry
4. Check picture quality.
If picture quality is not OK, set ADC Adjustments, Scaler menu & Scaler menu 2
data to default.
If picture quality still is not OK, perform the complete Picture adjustment.
Check picture quality again.
If picture quality is not OK, contact Bang & Olufsen.
5. Geometry check.
If the geometry is not OK, set Geometry adjustment data to default.
6. Finish service.
See chapter “Final check after repair”.
IC
SOCKET
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK