1-7-7
T3200EA
14. 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 Service mode.
Then press the number [5] button on the remote
control unit.
3. The Head Switching position will display on the
screen; if adjustment is necessary follow step 4.
6.5H(412.7
µ
s) is preferable.
4. Press [CH.
o
] or [CH.
p
] button on the 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
The following 2 adjustments normally are not
attempted in the field. They should be done only
when replacing the CRT then adjust as a
preparation.
15. Purity Adjustment
Purpose:
To obtain pure color.
Symptom of Misadjustment:
If Color Purity
Adjustment is incorrect, large areas of color may not
be properly displayed.
* This becomes RED COLOR if the [7] button is
pressed while in service mode.
1. Set the unit facing east.
2. Operate the unit for over 30 minutes before
adjusting.
3. Fully degauss the unit using an external
degaussing coil.
4. Set the unit to the AUX mode which is located
before CH2 then input a red raster from video in.
5. Loosen the screw on the Deflection Yoke Clamper
and pull the Deflection Yoke back away from the
screen. (See Fig. 6.)
6. Loosen the Ring Lock and adjust the Purity
Magnets so that a red field is obtained at the
center of the screen. Tighten Ring Lock. (See Fig.
5, 6.)
7. Slowly push the Deflection Yoke toward the bell of
the CRT and set it where a uniform red field is
obtained.
8. Tighten the clamp screw on the Deflection Yoke.
Test Point
Adj. Point
Mode
Input
---
Deflection Yoke
Purity Magnet
---
*Red Color
Tape
M. EQ.
Spec.
---
Pattern Generator
See below
Figure
Fig. 5
GREEN
RED
BLUE
Summary of Contents for CT270MW8 A
Page 44: ...1 11 3 Main 1 6 Sensor Schematic Diagram TV VCR Section T3251SCM1 ...
Page 45: ...1 11 4 T3251SCM2 Main 2 6 Schematic Diagram TV VCR Section ...
Page 46: ...1 11 5 T3251SCM3 Main 3 6 Schematic Diagram TV VCR Section ...
Page 47: ...1 11 6 Main 4 6 Schematic Diagram TV VCR Section T3251SCM4 ...
Page 48: ...1 11 7 T3251SCM5 Main 5 6 Junction A Schematic Diagram TV VCR Section ...
Page 50: ...1 11 9 T3251SCSUB1 Sub 1 3 Schematic Diagram TV VCR Section ...
Page 51: ...1 11 10 Sub 2 3 Schematic Diagram TV VCR Section T3251SCSUB2 ...
Page 52: ...1 11 11 Sub 3 3 Schematic Diagram TV VCR Section T3251SCSUB3 ...
Page 55: ...1 11 14 T3251SCD2 Digital 2 3 Schematic Diagram TV VCR Section ...
Page 57: ...1 11 16 T3251SCDT1 DVD Main 1 3 Schematic Diagram DVD Section ...
Page 58: ...1 11 17 T3251SCDT2 DVD Main 2 3 Schematic Diagram DVD Section ...
Page 59: ...1 11 18 T3251SCDT3 DVD Main 3 3 Schematic Diagram DVD Section ...
Page 80: ...1 17 2 T3251PEX Packing FRONT S1 X1 Tape S3 S3 S6 S7 S2 Packing Tape X2 X3 S4 ...
