Alignment Instructions - Dynex LC-22HV40 Service Manual

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Alignment instructions

1. Test equipment
VG-848 (YPbPr, VGA signal generator)
VG849 (HDMI signal generator)
CA210 (white balancer)
2 Alignment flow-chart
2.1 power test
Connect all boards according the wiring diagram and power on, test the voltage of XV04 and
the data is shown in table1.
Pin
1
Min.(V)
4.85
Typ.(V)
5.00
Max.(V)
5.35
2.2 alignment flow-chart
The alignment flow-chart is shown as fig-1
Combined test for general assembly (check if the power is 120V)
Table1 voltage of XV04 pins
2
3
4
0
4.85
0
0
5.00
0
0
5.35
0
Check if DDC, HDCP KEY and FLASH are written
Produce the data processing board
White balance adjustment
Connect to the center signal source and check if various
functions of TV (station leaking, analog control), earphone
and speaker output are normal
Input AV/SVIDEO signal source and check the functions
Input HD signal source and check YPbPr function
Input VGA signal source and check the display, various
functions (analog control) and H/V center.
5, 6
7, 8
14.80
0
15.00
0
15.75
0
3
9
10
11
4.65
3.40
0
4.80
3.50
0
5.00
3.60
0
12
13
31.40
0
32.00
0
32.60
0

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