Bang & Olufsen BeoVision 6 Service Manual download pdf (Page 59)

Replacement of PCB8, Decoupling 5.3

Replacement of PCB8, Decoupling

Power supply must be discharged!

For detailed dismantling instructions, please refer to illustrations on page 5.17.

Notice

All modules must be placed on the ESD-mat or in an ESD-proof bag.

Replace PCB8, Decoupling

1. Set the product in Service position.

2. Discharge power supply.

3. Connect ESD-mat.

4. Disconnect cables connected to PCB8.

5. Remove the PCB8, and place it on the ESD-mat.

6. Insert the new PCB8 in the product.

7. Reconnect cables to PCB8.

The product is now ready for adjustment.

8. Disconnect ESD-mat.

9. Connect mains.

10. Turn on the product.

Enter Monitor Service menu

Check picture and geometry

11. Check picture quality.

If picture quality is not OK, set ADC Adjustments, Scaler menu 1 & 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.

12. 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”.

13. Finish service.

See chapter “Final check after repair”.

ABO-CENTER v/HENRIKSENS ELEKTRONIK

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Bang & Olufsen BeoVision 6 Service Manual Page 59