Samsung CHB5707L/5237L Service Manual page 18

6 Alignment and Adjustments
6-2-2 (a) HORIZONTAL LINEARITY ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
To adjust the Horizontal Linearity, refer to Tables
6-1 and 6-2 for the tolerance range.
Increase or decrease H_LIN to optimize the
image.
6-2-2 (b) VERTICAL LINEARITY ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
To adjust the Vertical Linearity, refer to Tables 6-1
and 6-2 for the tolerance range.
Increase or decrease V_LIN to optimize the image.
6-2-3 Trapezoid Adjustment
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
Increase or decrease TRAPE to make the image
area rectangular.
| A - B | < 4 mm
A
B
Figure 6-4. Trapezoid
6-4
68 kHz/85 Hz (17Ó/16Ó)
54 kHz/85 Hz (15Ó)
Crosshatch pattern
Maximum
Maximum
68 kHz/85 Hz (17Ó/16Ó)
54 kHz/85 Hz (15Ó)
Crosshatch pattern
Maximum
Maximum
68 kHz/85 Hz (17Ó/16Ó)
54 kHz/85 Hz (15Ó)
Crosshatch pattern
Maximum
Maximum
A
B
6-2-4 Pinbalance Adjustment
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
D1
Figure 6-5. Pinbalance
Increase or decrease PIN_BAL to optimize the
image.
6-2-5 Parallelogram Adjustment
CONDITIONS
Scanning Frequency:
Display image:
Brightness:
Contrast:
Increase or decrease PARALL to make the image
area rectangular.
4 mm
Figure 6-6. Parallelogram
68 kHz/85 Hz (17Ó/16Ó)
54 kHz/85 Hz (15Ó)
Crosshatch pattern
Maximum
Maximum
D2
68 kHz/85 Hz (17Ó/16Ó)
54 kHz/85 Hz (15Ó)
Crosshatch pattern
Maximum
Maximum
CHB5**7L/6**7L/7**7L
D1