MITSUBISHI ELECTRIC VS-60609 - Manual (Page 34)

MODELS: VS-45609 / VS-50609 / VS-55609 / VS-60609 / VS-60719 / VS-70709
Page 34
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:
[Cb, Cr Circuit]
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White Raster @ 25%
NTSC Input
To match the match grays between color and monochrome
pictures.
Grays have a color tint.
1. Supply an NTSC White Raster with 25% luminance.
2. Activate the Service Mode, VCJ Function.
3. Set the data for item “30 COLH” to 63.
4. Adjust items “23 CBOF” and “24 CROF” for optimum gray.
5. Set the data for item “30 COLH” back to 31.
6. Save the data and exit the Service Mode.
13. Cb, Cr Offset
SERVICE MODE
Activate …….. MENU-0-1-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)
[On Screen Display Circuit]
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Monoscope
RF or Video
To position the on-screen display.
On-screen display is not positioned correctly.
1. Supply a Monoscope signal to the Video or RF Input.
2. Select the Monoscope as the source for the main picture (Input button).
3. Activate the Service Mode, HR Function.
4. Use the Adjust Right/Left buttons to center the display horizontally.
(A = B)
5. Save data and exit the Service Mode.
14. Character Position
SERVICE MODE
Activate …….. MENU-0-1-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)