Electrical Adjustments - Sanyo PLV-Z1 Service Manual

■ Adjustment

■ ELECTRICAL ADJUSTMENTS

1. PSIG Adjustments
Equipment Oscilloscope
Test Point TP-G1
Input mode Computer
Input Signal 16 step gray scale signal
Enter the Service mode.
Adjust values of below items by the Volume + or - button.
Item no. Adjustment part
42 DC level-A in a figure 4.5 ± 0.1 V-DC.
43 DC level-B in a figure 0.5 ± 0.1 V-DC.
White
B
2. Signal center DC Adjustments
Equipment Digital voltmeter.
Input mode Computer
Input Signal 16 step gray scale signal
Enter the Service mode.
Adjust below values of each test points by the Volume + or
- button.
Item no. Test Point
1 TP-R1
2 TP-G1
3 TP-B1
Adjustment value
A
Black
Adjustment value
7.0 ± 0.05 V-DC.
7.0 ± 0.05 V-DC.
7.0 ± 0.05 V-DC.
3. Contrast Adjustments
Equipment
Input Signal
Enter the Service mode.
"A"
Adjust below level
amplitude by the Volume + or - button.
3-1 Input mode
Item no. Test Point
7 TP-R1 (Red contrast of PC)
8 TP-G1 (Green contrast of PC)
9 TP-B1 (Blue contrast of PC)
3-2 Input mode
Item no. Test Point
7 TP-R1 (Red contrast of AV)
8 TP-G1 (Green contrast of AV)
9 TP-B1 (Blue contrast of AV)
3-3 Input mode
Item no. Test Point
7 TP-R1 (Red contrast of Component)
8 TP-G1 (Green contrast of Component)
9 TP-B1 (Blue contrast of Component)
A
-23-
Oscilloscope
16 step gray scale signal
in each test point to be minimum
Computer
AV (NTSC)
Component (480i)