Beko Plasma TV Manuel de service télécharger pdf (Page 67)

2-5. The screen display has a problem for

Scan FPC.

(1) It’s may be a problem between Scan FPC and Y B/D.

(2) Check the connection of Y B/D and Scan FPC.

(3) If the Scan IC is failed, replace the Y DRV B/D.

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Screen Display Form

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Check a method of SCAN IC

Change the Vpp Pin into ANODE and GND Pin into CATHOD

and then test the Diode with forward or reverse direction.

2-6. The screen has a vertical line with

regular gap.

(A vertical stripe flash at especial color)

(1) This is a problem about control B/D.

(2) Replace Control B/D.

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Screen Display Form

2-7. A data copy is happened into vertical

direction

(1) In this case, it’s due to incorrect marking of scan wave.

(2) Replace a Y DRV B/D or Y SUS B/D.

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Screen Display Form

- 14 -

one eighth

of screen

The screen display is very good

The screen display is poor

The screen has a vertical line

with regular gap

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Beko Plasma TV Manuel de service Page 67