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 5.23.
Notice
All modules must be placed on the ESD-mat or in an ESD-proof bag.
Replace PCB8, Decoupling
. 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.
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 incl. A/D
PHASE 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”.
Summary of Contents for BeoVision 7 MK II
Page 8: ...1...
Page 17: ...Fault flow chart 2 FP41 FP43 FP42 FP44 PCB4 PCB1 PCB8 PCB5...
Page 26: ...2 18...
Page 36: ...3 10...
Page 75: ...Replace 990 Module DVB S 5 21 3x TX20 11 Remove screws and pull out DVB S...
Page 86: ...5 32...
Page 104: ...8 11...
Page 105: ......
Page 106: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538047 06 06...