LG PDP42V5 Series, Service Manual

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[PDP42V5#### Module]
CONTENTS
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Formation and Specification of Module
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Adjustment
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Trouble Shooting
1. Checking for No Picture
2. Hitch Diagnosis Following Display Condition
2-1. 4/7 or 3/7 of the screen doesn’t be shown
2-2. Screen doesn’t be shown as Data COF
2-3. It is generated unusual pattern of Data COF IC unit
2-4. Regular Stripe is generated about the quantity of one Data COF IC or more
2-5. Screen doesn’t be shown at all as scan COF
2-6. Regular stripe is generated at regular internal on the whole screen
2-7. Data copy is generated to stripe direction
2-8. One or more stripe is generated on the screen
2-9. One or more horizontal line is generated on screen
2-10. Lightness of screen is wholly darken though there is input-signal-pattern
2-11. Different color is shown partially during full-white-screen or electric discharge is generated
during full-black-screen
2-12. Full-white pattern it happened that the lightness of middle is darken while full-white pattern
2-13. Some lightness of some color doesn’t not generated well
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Block Diagram
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Records of Revision for Board and EPROM
* Annexing : Schematic Diagram