Samsung PN19LT/LO, Service Manual

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4-2-6 Trapezoid Adjustment
CONDITIONS
Scanning frequency: 68 kHz/85 Hz
Display image: Crosshatch pattern
Brightness: Maximum
Contrast: Maximum
Use control bar after selecting “TRAPEZOID” in
left menu to make the image area rectangular.
Figure 4-4. Trapezoid
4-2-7 Pinbalance Adjustment
CONDITIONS
Scanning frequency: 68 kHz/85 Hz
Display image: Crosshatch pattern
Brightness: Maximum
Contrast: Maximum
Use control bar after selecting “PINBALANCE” in
left menu to optimize the image.
4-2-8 Parallelogram Adjustment
CONDITIONS
Scanning Frequency: 68 kHz/85 Hz
Display image: Crosshatch pattern
Brightness: Maximum
Contrast: Maximum
Use control bar after selecting “PARALLEL” in
left menu to make the image area rectangular.
Figure 4-6. Parallelogram
4-2-9 Side Pincushion Adjustment
CONDITIONS
Scanning frequency: 68 kHz/85 Hz
Display image: Crosshatch pattern
Use control bar after selecting “PINCUSHION” in
left menu to straighten the sides of the image area.
4-2-10 Tilt Adjustment
CONDITIONS
Scanning Frequency: 68 kHz/85 Hz
Display image: Crosshatch pattern
Brightness: Maximum
Contrast: Maximum
Use control bar after selecting “ROTATION” in
left menu to correct the tilt of the display.
4-2-11 Degauss
No adjustments are available for the degaussing
circuit. The degaussing circuit can effectively
function only once per 30 minutes.
4-2-12 To Delete the User Mode Data
To delete the adjustment data from the user
modes, click “@4: USER DELETE” in right ment
.
4-2-13 Save the Data
To save the adjustment data for a mode, press
“@3: ALL MODE SAVE”
in right ment .
4 Alignment and Adjustments
PN19LT/LO/JT/JO 4-5
| A - B | < 4 mm
A
4 mm
B
B
A
D1 D2 D1
Figure 4-5. Pinbalance
| C1 |, | C2 |
≤
2.0 mm, | D1 |, | D2 |
≤
2.0 mm.
Figure 4-7. Pincushion
C2
C1
D1 D2
| D1 |, | D2 |
≤
2.0 mm