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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
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Monoscope
Video Input
[Video Circuit]
7. Black Level
To set the black level of the picture.
Excess or insufficient brightness.
1. Supply a Monoscope signal to a Video Input.
2. Activate the Adjust Mode, Video Chroma Function.
3. Adjust Item “2 SBRT” so the 0% and 10% black levels on the gradation scale
are the same.
4. Press ENTER to save data.
7. Exit the Service Mode.
40% 30% 20% 10%
50%
0%
0%
0%
60% 70% 80% 90%
GRADATION SCALE
DC ma meter
DT connector pins 7 & 8
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Grayscale
RF Input
To set overall beam current to its’ optimum level.
Excess or insufficient contrast.
Note: Activate the Expand mode (full screen).
1. Supply a Grayscale signal to a RF Input.
2. Activate the Adjust Mode, Video Chroma Function.
3. Select Item “1 SCT”, signal level automatically reduces.
4. Connect a 3ma DC meter between DT connector pins 7 and 8. Positive lead to
pin 7.
5. Adjust Item “1 SCT” for 630µA ±10µA (690µa ±10µa on the WS-73411).
6. Remove the meter.
7. Save data and Exit the Service Mode.
[Video Circuit]
8. Sub Contrast
CIRCUIT ADJUST MODE
Activate …….. MENU-2-2-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)
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 ...