Hitachi 50SBX78B Projection Television User Manual


 
SERVICE ADJUSTMENTS
1. ASSEMBLED P.W.B. ADJUSTMENT
.....................................................
.24
l-l.
Memory Initialization ............................................................ .24
l-2. Comb Filter Operation Check
..................................................... .24
l-3. Sub Picture Position Adjustment
................................................... .24
2. FINAL ASSEMBLY ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
2-l.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
2-9.
2-10.
2-11.
2-12.
2-13.
2-14.
2-15.
FocusAdjustment...............................................................2 5
White Balance Adjustment ....................................................... .26
SubBrightness Adjustment
..................................................... ..2 6
Sub Picture White Balance Adjustment
.............................................. .27
Surround Check .............................................................. ..2 7
Raster Inclination Adjustment (Deflection Yoke) ........................................
.28
Raster Position Adjustment ....................................................... .29
Vertical Size Adjustment (R630)
................................................... .29
Horizontal Size Adjustment (R603)
................................................. .30
BeamAlignment................................................................3 0
Beam Shape Adjustment ....................................................... ..3 0
Static Focus Adjustment ......................................................... .31
Blue Defocus Adjustment ....................................................... ..3 1
Digital Convergence Adjustment
................................................... .31
2-14-l. Phase Adjustment (service mode)
....................................... .32
2-14-2. Raster Position Adjustment ............................................
.32
2-14-3. Convergence Point Adjustment ......................................... .33
2-14-4. Digital Convergence Remote Control
..................................... .33
Guide + OSD Adjustment
........................................................ .34
3. ADJUSTMENT POINT
................................................................ .35
3-l. CRT (R)(G)(B), Cabinet Locations
...................................................
.35
3-2. Main Chassis (Signal P.W.B.) .......................................................
.36
3-3. Main Chassis (Power/Deflection P.W.B.)
...............................................
.37
3-4. CPT (R)(G)(B), Focus Pack, Control P.W.B. ............................................ .38
23