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d). 9300
q
K / Su93 Gain
Adjustment.
*Mode 13: 1280 x 1024, 79.975K / 75
HZ.
Pattern: x 5 [62(w) x 58(h) mm] White
block.
*Adjust brightness: 0.08 + /- 0.01 F/L
Contrast: max.
*Select ”Color” Icon.
Select 9300
q
K / Su93:
1)Switch off ”R,B” signal and
display ”Green”
signal.
2)adjust “Green” Gain to 30.5+/-0.3FL
for 9300K, and 61 +/- 0.3 FL for
Sup93(high brightness), then adjust
“ R,B” Gain to
x=0.283
̈́
0.01, y =0.297
̈́
0.01;
Y (9300K): 41 +/- 1FL
Y (Sup93): 83 +/- 1 F/L. ( Samsung )
x=0.283
̈́
0.01
y=0.297
̈́
0.01
Normal brightness (9300K)
Y: 41 +/- 2 FL
(Samsung).
High brightness (Sup93)
Y: 83 +/- 2 FL
* Test point: CRT center
.
e).6500
q
K /Su65 Gain
Adjustment.
*Mode 13: 1280 x 1024, 79.975K / 75
HZ.
Pattern: x 5 [62(w) x 58(h) mm] White
block.
*Adjust brightness: 0.08 + /- 0.01 F/L
Contrast: max.
*Select ”Color” Icon.
Select 6500
q
K / Su65:
1)Switch off ”R,B” signal and
display ”Green”
signal.
2)adjust “Green” Gain to 30.5+/-0.3FL
for 6500K, and 50 +/- 0.3 FL for
Sup65(high brightness), then adjust
“ R,B” Gain to
x=0.313
̈́
0.01, y =0.329
̈́
0.01;
Y (6500K): 41 +/- 1FL
Y (Sup65): 70 +/- 1 F/L.
x=0.313
̈́
0.01
y=0.329
̈́
0.01
Normal brightness (6500K)
Y: 41 +/- 2 FL
High brightness (Sup65)
Y: 70 +/- 2 FL
Reference only
* Test point: CRT center
.
R
G
B
R
G
B
ViewSonic Corporation
25
Confidential – Do Not Copy
A
9
0f+-1
Summary of Contents for A90f+ 1
Page 57: ...12 PCB Layout ViewSonic Corporation 54 Confidential Do Not Copy A90f 1...
Page 58: ...VIDEO PWB 0414 ViewSonic Corporation 55 Confidential Do Not Copy A90f 1...
Page 59: ...KEY CONTROL PWB 0488 ViewSonic Corporation 56 Confidential Do Not Copy A90f 1...
Page 60: ...MAIN BOARD 13 Schematic Diagrams ViewSonic Corporation 57 Confidential Do Not Copy A90f 1...
Page 61: ...VIDEO ViewSonic Corporation 58 Confidential Do Not Copy A90f 1...
Page 62: ...KEY CORTROL ViewSonic Corporation 59 Confidential Do Not Copy A90f 1...
Page 63: ...POWER SUPPLY CKT ViewSonic Corporation 60 Confidential Do Not Copy A90f 1...
Page 64: ...MCU CONTROL CKT ViewSonic Corporation 61 Confidential Do Not Copy A90f 1...
Page 65: ...Time Base DeflectionCKT ViewSonic Corporation 62 Confidential Do Not Copy A90f 1...
Page 66: ...H V DYNAMIC FOCUS CKT ViewSonic Corporation 63 Confidential Do Not Copy A90f 1...
Page 67: ...14 Exploded Diagram ViewSonic Corporation 64 Confidential Do Not Copy A90f 1...