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EN7220 Service Manual
5.3 Electrical Block Diagram
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5.3.1 Scalar Board
5.3.2 Inverter/Power Board
6. Schematic
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6.1 Scalar Board --------------------------------------------------------------------19
6.2 Inverter/Power Board
6.3 Key Pad Board
7. PCB Layout
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7.1 Main Board ---------------------------------------------------------------------25
7.2 Inverter/Power Board --------------------------------------------------------26
7.3 Keypad Board -----------------------------------------------------------------26
8. Maintainability
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8.1 Equipments and Tools Requirements
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8.2 Trouble Shooting
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8.2.1 Main Board
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8.2.2 Power/Inverter Board
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8.2.3 Key Pad Board ------------------------------------------------------------33
9. White-Balance, Luminance Adjustment
10. EDID Content
11. BOM List
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