NEC MultiSync LCD1970NX Service Manual page 29

ADJUSTMENT PROCEDURES
TABLE OF CONTENTS
1. Application .............................................................................................................................. 4-2
2. Adjustment Conditions ............................................................................................................ 4-2
2.1 Time for Adjustment .......................................................................................................... 4-2
2.2 Measuring Instruments, Jigs, and Tools............................................................................ 4-2
2.3 Power Supply Voltage ....................................................................................................... 4-2
2.4 Aging ................................................................................................................................. 4-2
3. Default Setting ........................................................................................................................ 4-3
4. Basic Operation (Front Control Panel Layouts)...................................................................... 4-3
5. Set Adjustments ...................................................................................................................... 4-4
5.1 Power On .......................................................................................................................... 4-4
5.2 Factory Mode .................................................................................................................... 4-5
5.2.1 How to Enter Service Mode........................................................................................ 4-5
5.2.2 How to Use Service Mode .......................................................................................... 4-6
5.2.3 How to Exit Service Mode ........................................................................................ 4-10
5.2.4 Burn in Mode ............................................................................................................ 4-10
6. Auto Contrast Adjustment ......................................................................................................4-11
6.1 ADC Bias and Gain Control .............................................................................................4-11
6.2 Panel Brightness Check...................................................................................................4-11
6.3 Panel Color Check ...........................................................................................................4-11
6.4 Color Temperature Check ................................................................................................4-11
6.5 Reference Signal Timing ................................................................................................. 4-12
4-1
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