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1-7-6
P7753EA
10. V. Position Adjustment
Purpose:
To obtain correct vertical position of screen
image.
Symptom of Misadjustment:
If V. position is
incorrect, vertical position of image on the screen may
not be properly displayed.
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode in TV mode.
3. Press [9] button on the service remote control unit
and select "V-P" mode. (Display changes "V-S" and
"V-P" cyclically when [9] button is pressed.)
4. Input monoscope pattern.
5. Press [CH.
o
/
p
] buttons on the service remote
control unit so that the top and bottom of the
monoscope pattern are equal each other.
11. V. Size Adjustment
Purpose:
To obtain correct vertical height of screen
image.
Symptom of Misadjustment:
If V. Size is incorrect,
vertical height of image on the screen may not be
properly displayed.
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode in TV mode.
3. Press [9] button on the service remote control unit
and select V-S mode. (Display changes "V-S" and
"V-P" cyclically when [9] button is pressed.)
4. Input monoscope pattern.
5. Press [CH.
o
/
p
] buttons on the remote control
unit so that the monoscope pattern is 90
±
5% of
display size and the circle is round.
12. Head Switching Position
Adjustment
Purpose:
Determine the Head Switching Position
during Playback.
Symptom of Misadjustment:
May cause Head
Switching Noise or Vertical Jitter in the picture.
Note:
Unit reads Head Switching Position
automatically and displays it on the screen (Upper Left
Corner).
1. Playback test tape (VFMS0001H6).
2. Enter the Service mode in TV mode.
3. Press [5] button on the service remote control unit.
4. The Head Switching position will display on the
screen; if adjustment is necessary follow step 4.
6.5H(412.7
µ
s) is preferable.
5. Press [CH.
o
/
p
] buttons on the service remote
control unit if necessary. The value will be
changed in 0.5H steps up or down. Adjustable
range is up to 9.5H. If the value is beyond
adjustable range, the display will change as:
Lower out of range: 0.0H
Upper out of range: -.-H
Test Point
Adj. Point
Mode
Input
---
[CH.
o
/
p
] buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
---
Test Point
Adj. Point
Mode
Input
---
[CH.
o
/
p
] buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
90%
±
5%
Summary of Contents for CT202MW8
Page 44: ...1 11 3 Main 1 6 Sensor Schematic Diagram TV VCR Section P7754SCM1...
Page 45: ...1 11 4 P7754SCM2 Main 2 6 Schematic Diagram TV VCR Section...
Page 46: ...1 11 5 P7754SCM3 Main 3 6 Schematic Diagram TV VCR Section...
Page 47: ...1 11 6 Main 4 6 Schematic Diagram TV VCR Section P7754SCM4...
Page 48: ...1 11 7 P7754SCM5 Main 5 6 Junction A Schematic Diagram TV VCR Section...
Page 50: ...1 11 9 P7754SCSUB1 Sub 1 3 Schematic Diagram TV VCR Section...
Page 51: ...1 11 10 Sub 2 3 Schematic Diagram TV VCR Section P7754SCSUB2...
Page 52: ...1 11 11 Sub 3 3 Schematic Diagram TV VCR Section P7754SCSUB3...
Page 54: ...1 11 13 P7754SCDT1 DTV Module 1 2 Schematic Diagram TV VCR Section...
Page 56: ...1 11 15 P7754SCD1 DVD Main 1 3 Schematic Diagram DVD Section...
Page 57: ...1 11 16 P7754SCD2 DVD Main 2 3 Schematic Diagram DVD Section...
Page 58: ...1 11 17 P7754SCD3 DVD Main 3 3 Schematic Diagram DVD Section...
Page 78: ...1 17 2 P7754PEX Packing FRONT S4 S1 X1 Tape X2 X3 S3 S6 S7 S2 Packing Tape...