NEC FP1355 Service Manual page 5

2. Adjustment procedure ............................................................................................................... 2-1
2.1 Measuring instruments ....................................................................................................... 2-1
2.2 Preparatory inspections ..................................................................................................... 2-1
2.3 Names of each monitor part .............................................................................................. 2-2
2.3.1 Configuration of front control panel ....................................................................... 2-2
2.3.2 Configuration of rear input connector .................................................................... 2-2
2.3.3 OSD display matrix ................................................................................................... 2-3
2.3.3.1 User mode ................................................................................................... 2-3
2.3.3.2 Factory mode .............................................................................................. 2-4
2.4 Adjustment ........................................................................................................................... 2-6
2.4.1 How to select the factory adjustment (FACTORY) mode ................................... 2-6
2.4.1.1 Selecting with front panel switches ......................................................... 2-6
2.4.2 Adjustments before aging ........................................................................................ 2-6
2.4.2.1 Adjusting the high voltage and high voltage protector ......................... 2-6
2.4.2.2 SCREEN voltage / FOCUS adjustment ................................................... 2-6
2.4.2.3 Shock test .................................................................................................... 2-6
2.4.2.4 Preadjustment before aging ...................................................................... 2-7
2.4.2.5 Adjusting the landing ................................................................................. 2-7
2.4.3 Adjustments after aging ........................................................................................... 2-7
2.4.3.1 +B adjustment ............................................................................................. 2-7
2.4.4 Adjusting the picture size, position and distortion .......................................................... 2-7
2.4.4.1 Adjusting the picture inclination ............................................................... 2-8
2.4.4.2 Adjusting the back raster position ........................................................... 2-8
2.4.4.3 Adjusting the left/right distortion, picture width, picture position
2.4.4.4 Adjusting the DBF amplitude and phase ................................................ 2-9
2.4.5 Adjusting the cut off ................................................................................................. 2-10
2.4.6 Adjusting the RGB drive signal and X-Pro ............................................................ 2-13
2.4.6.1 Adjusting the R, G, B drive signal (Adjustment of COLOR 1) ............. 2-13
2.4.6.2 Adjusting ABL .............................................................................................. 2-13
2.4.6.3 Adjustment of X-Pro (Timing No.A 30k / 70Hz Full white) ................... 2-14
2.4.6.4 Confirmation for operation of X-Pro .............................................................. 2-14
2.4.7 Adjusting the Purity .................................................................................................. 2-14
2.4.8 Adjusting the focus ................................................................................................... 2-15
2.4.9 Adjusting the convergence ...................................................................................... 2-16
2.4.9.1 Adjusting with ITC ...................................................................................... 2-16
2.4.9.2 Adjusting DDCP .......................................................................................... 2-18
2.4.10 Default settings (With factory mode) ................................................................... 2-23
2.5 Inspections (In normal mode) ........................................................................................... 2-24
2.5.1Electrical performance .............................................................................................. 2-24
2.5.1.1 Withstand voltage ....................................................................................... 2-24
(H-PHASE) and vertical linearity (all preset) ......................................... 2-8
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