One Or More Stripe Is Generated On The Screen; One Or More Horizontal Line Is Generated On Screen; Lightness Of Screen Is Wholly Darken Though There Is Input-Signal-Pattern - Daewoo DP-42SM Service Manual

4-2-8. The screen has one or several vertical line
(1) In this case, It isn't a problem about controller B/D or XB/D.
(2) It may cause followings.
- It's out of order a panel
- Open or short of DATA COF FPC attached panel
- It's out of order a DATA COF attached panel
(3) Replace Module.
* Screen Display Form
4-2-9. The screen has one or several horizontal line
(1) In this case, it isn't a problem about controller B/D or XB/D.
(2) It may cause followings.
- It's out of order a panel
- Open or short of SCAN FPC attached panel
- It's out of order a SCAN IC attached panel
(3) Replace Y DRV B/D
* Screen Display Form
4-2-10. The screen displays input signal pattern but the brightness is dark
(1) In this case, Z B/D operation isn't complete.
(2) Check the power cord of Z B/D.
(3) Check the connector of Z B/D and Controller B/D.
(4) Replace the Controller B/D or Z B/D.
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Trouble Shooting