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5.4 Replacement of LCD
Replacement of LCD
Power supply must be discharged!
For detailed dismantling instructions, please refer to illustrations on page 5.3.
Notice
All modules must be placed on the ESD-mat or in an ESD-proof bag.
Replace LCD display
. Set the product in service position.
2. Discharge power supply.
3. Connect ESD-mat.
4. Disconnect cables connected to the LCD display.
5. Remove the LCD display, and place it on the ESD-mat.
6. Insert the new LCD display in the television.
7. Reconnect cables to the Main chassis.
The product is now ready for adjustment.
8. Disconnect ESD-mat.
9. Connect mains.
0. Turn on the product.
Enter Monitor Service menu
Check picture and geometry
. 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.
2. Geometry check.
If the geometry is not OK, set Geometry adjustment data to default.
Confirm geometry is OK.
If geometry not OK, refer to “Adjustment”.
3. Finish service.
See chapter “Final check after repair”.
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK