Alignment Instructions And Method Of Software Upgrading - Sanyo LCD-37XR8DA Service Manual

Alignment instructions
1. Test equipment
VG-848 (YPbPr,VGA signal generator)
VG-849 (HDMI signal generator)
CA210 (white balancer)
2. Power test
Connect data processing board, power board and IR board according the wiring diagram, connect
the power and press "standby" button to turn on the TV.
a) Test the pin voltage of X802, the data is shown in table1:
X802 Pin1
Voltage 8.55~9.45V
b) Test the pin voltage of XV01, the data is shown in table2:
XV01
Voltage
c) Test the pin voltage of X101, the data is shown in table3:
X101
Voltage
3. Alignment flow-chart
The alignment flow-chart is shown as fig-1
Table1 voltage data of X802
2 3
0 4.85~5.35V
Table2 voltage data of XV01
Pin1, 2
23.8~25.2V
Table3 voltage data of X101
Pin1
31.4~32.6V
Check if DDC, HDCP KEY, FLASH are written
Combined test for general assembly
White balance adjustment
Connect to the center signal source and check each
function of TV (station leaking, analog control, etc.)
check the output of earphone and speaker.
4 5, 6 7, 8
0 11.4~12.6V
3
9
0 4.85~5.35V
3, 4, 5
0
2
0
10 11
0 >2.5