![BOXLIGHT CP-320t Service Manual Download Page 29](http://html1.mh-extra.com/html/boxlight/cp-320t/cp-320t_service-manual_2798297029.webp)
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Electrical Adjustments
1. Receive the 16-step gray scale computer signal with
Computer [Analog RGB]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TP503G
” (+)
and chassis ground (-).
4. Select item no. “
10
” and adjust the amplitude “a” to
be
2.4
±0.1V by changing the Data value.
(a)
white level
white level
⁄0
Signal Offset adjustment [PC]
[PC WHITE BALANCE ADJUSTMENT]
1. Receive the 16-step gray scale computer signal with
Computer [Analog RGB]
mode.
2. Enter the service mode, select item no. “
11
” (Red) or
“
12
” (Blue), and change Data values respectively to
make a proper white balance.
[AV WHITE BALANCE ADJUSTMENT]
3. Receive the 16-step gray scale composite video sig-
nal with
Video [Video]
mode.
4. Enter the service mode, select item no. “
11
” (Red) or
“
12
” (Blue), and change Data values respectively to
make a proper white balance.
Confirm that the same white balance is obtained in
video and computer input.
⁄2
White Balance adjustment
If you find the color shading on the screen, please
adjust the white uniformity by using the proper comput-
er and “Color Shading Correction” software supplied
separately.
NOTE ON WHITE UNIFORMITY
ADJUSTMENT
1. Receive the 16-step gray scale composite video sig-
nal with
Video [Video]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TP503G
” (+)
and chassis ground (-).
4. Select item no. “
10
” and adjust the amplitude “a” to
be
2.4
±0.1V by changing the Data value.
(a)
white level
white level
⁄1
Signal Offset adjustment [AV]
Summary of Contents for CP-320t
Page 50: ...50 IC Block Diagrams AD8075 Selector IC201 AD8183ARU Selector IC1201 AN7513 Audio Amp IC5001...
Page 51: ...51 AN5870SB RGB SW IC5201 IC Block Diagrams AD9884AKS A D IC8201...
Page 54: ...54 IC Block Diagrams CXD3526GG LCD Driver Timing Generator IC401 FA5502 P F Control IC611...
Page 55: ...55 LA7217 Sync Separator IC5361 M62392 D A IC3561 IC Block Diagrams...
Page 56: ...56 NJM2284M Switch IC2101 IC Block Diagrams M62393 D A IC281 IC7801...
Page 82: ...MA3 CP 320t00 Electrical Parts List 82 Key No Part No Description Key No Part No Description...
Page 84: ...MA3 CP 320t00 84 47 44 44 47 44 44 Mechanical Parts List 47 57 56 47 47 Optical Parts...
Page 85: ...MA3 CP 320t00 85 44 44 54 67 Red 68 Green 69 Blue 45 45 45 Mechanical Parts List...
Page 87: ...MA3 CP 320t00 87 52 a 52 46 46 46 46 52 Mechanical Parts List...
Page 88: ...MA3 CP 320t00 88 Mechanical Parts List 58 70 63 71 57 60 65 59 64 66 51 55 62...