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Purpose:
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
Purpose
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411
DC Voltmeter
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NTSC White Raster
RF or Video
[CRT Circuit]
5. White Balance (NTSC)
To set the CRTs white level in the NTSC mode.
Monochrome has a color tint.
Note
:
Use the “FORMAT” button to activate the Expand mode (full screen).
1. Supply a full White Raster Signal
2. Activate the Service Mode, Video Chroma Function.
3. Set the data for Item “19 COL” to 0.
4. Adjust Items “4 RDRH” and “6 BDRH” for optimum white at the center of
the screen.
5. Reduce the input luminance level to 25%.
6. Adjust Items “7 CTRH” and “9 CTBH” for optimum white.
7. Insert a Milliammeter in series with each CRT Cathode. The maximum
allowable current for each CRT is given in the table below.
8. Set the white raster to 100% and adjust Items “10 RDRL” and “12 BDRL” for
optimum white at the center of the screen.
9. Reduce the luminance level to 25%.
10. Adjust Item “13 CTRL” and “15 CTBL” for optimum white.
11. Set the data for Item “19 COL” back to 31.
Maximum CRT Current
CRT
ALL BUT 73"
CURRENT
73"
CURRENT
RED
580 uA
900 uA
GREEN
580 uA
900 uA
BLUE
580 uA
900 uA
CIRCUIT ADJUST MODE
Activate …….. MENU-2-2-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)
To set the CRTs white level in the HD mode.
Monchrome pictures have a color tint.
[CRT Circuit]
6. White Balance (HD)
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HD White Raster
DTV Inputs
1. Supply an HD Full White Raster signal to the DTV Inputs.
2. Select the DTV Inputs (Input button)
3. Activate the Adjustment mode, Video Chroma Function.
4. Set Item “19 COL” to 0.
5. Adjust Items “4 RDRH” and “6 BDRH” for optimum white at the center of the
screen.
6. Reduce the input signal luminance to 25%.
7. Adjust Items “7 CTRH” and “9 CTBH” for optimum white.
8. Set the white raster to 100% and adjust Items “10 RDRL” and “12 BDRL” for
optimum white at the center of the screen.
9. Reduce the luminance level to 25%.
10. Adjust Item “13 CTRL” and “15 CTBL” for optimum white.
11. Set the data for Item “19 COL” back to 31.
CIRCUIT ADJUST MODE
Activate …….. MENU-2-2-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)
Содержание VS-50111
Страница 2: ......
Страница 61: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 61 POWER SUPPLY ...
Страница 62: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 62 VIDEO COLOR PATH ...
Страница 63: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 63 SYNC PATH ...
Страница 64: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 64 DEFLECTION HV CIRCUIT ...
Страница 65: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 65 X RAY PROTECT ...
Страница 66: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 66 HV REGULATION ...
Страница 67: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 67 SOUND PATH ...
Страница 68: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 68 CONVERGENCE CIRCUIT ...
Страница 69: ...MODELS VS 50111 VS 60111 WS 48311 WS 55311 WS 55411 WS 65311 WS 65411 WS 73411 Page 69 CONTROL CIRCUIT ...