MITSUBISHI ELECTRIC VS-60609 - Manual (Page 29)

MODELS: VS-45609 / VS-50609 / VS-55609 / VS-60609 / VS-60719 / VS-70709
Page 29
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:
[High Voltage Circuit]
3. High Voltage Control
To set the CRTs anode voltages
Dark picture.
DC Voltmeter
+ Lead to DT #5
- Lead to DT #4
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Monoscope
Video Input
1. Supply a Monoscope signal to a Video Input.
2. Connect a DC Voltmeter to pins 4 and 5 of the DT connector.
• Positive Lead to DT #5
• Negative Lead to DT #4
3. Set Contrast to maximum, and Brightness to the center position.
4. Enter the Service Mode and check that Item “7 BRTH” under the VCJ Function is
set at 31.
5. Press Enter and Exit the Service Mode.
6. Enter the Convergence Mode and select the Conv. Misc Function.
7. Select Item “1 HVOL” (screen goes black).
8. Adjust “1 HVOL” for 0.15 ±0.01 V on the meter.
9. Exit the Convergence Mode and verify that the meter reading does not exceed
0.85V.
Note: HV must be reset if E2RESET is activated.
[Focus]
4. Dynamic Focus
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Monoscope
Video Input
To improve edge focus
Blurred picture at the edges of the screen.
1. Supply a Monoscope signal to the Video Input.
2. Enter the Coarse Convergence Mode and select the DF Function.
3. Verify that the data values are set as indicated in the table below.
4. Exit the Convergence Mode.
SERVICE MODE
Activate …….. MENU-0-1-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)
CONVERGENCE MODE
Activate ……..MENU-0-1-5-9
Misc. ……………….……"6"
Coarse………………..…."5"
Fine ……………………..."4"
Color (R,G B or DF)...AUDIO
Item No………….…..VIDEO
Adjust/Move……….ADJUST
Cursor Toggle….…..ENTER
Save & Exit…..MENU (twice)
CONVERGENCE MODE
Activate ……..MENU-0-1-5-9
Misc. ……………….……"6"
Coarse………………..…."5"
Fine ……………………..."4"
Color (R,G B or DF)...AUDIO
Item No………….…..VIDEO
Adjust/Move……….ADJUST
Cursor Toggle….…..ENTER
Save & Exit…..MENU (twice) DF Function
Item Abbrev. Data
0 DFH 200
1 DFV 100