Alignment Instructions - Sanyo LCD-22XR7S Service Manual

Alignment instructions

1. Test equipment
PM5518 (video signal generator)
VG-848 (VGA, HDMI signal generator)
VG-849 (digital video signal generator)
CA210 (color analyzer)
2. Power test
Connect main board, power board and IR board according the wiring diagram, connect the power
and press "standby" to turn on the TV.
Test the pin voltage of XS15, the data is shown in table1:
Pin1
LC-26HUXX 8.55-9.45V
LC-32HUXX 8.55-9.45V
Test the pin voltage of XS16, the data is shown in table2:
Pin1
LC-26HUXX 0
LC-32HUXX 0
Test the pin voltage of XS11, the data is shown in table3:
LC-26HUXX 20.25-23.63V
LC-32HUXX 22.8-25.2V
3. Alignment flow-chart
The alignment flow-chart is shown as fig-1
Table1 voltage data of XS15
Pin2 Pin3
0 4.75-5.5V
0 4.85-5.36V
Table2 voltage data of XS16
Pin2
4.75-5.5V
4.85-5.36V
Table3 voltage data of XS11
Pin1 Pin2
Check DDC, FLASH, HDCP and power control IC
Combined test for general assembly
Factory initialization setup
IF channel voltage of TV and AGC voltage adjustment
White balance adjustment
Pin4 Pin5 Pin6
0 11.69-12.92V
0 11.4-12.6V
Pin3 Pin4
0 8.55-9.45V
0 8.55-9.45V
Pin3
0
0
3
Pin7 Pin8 Pin9
0 4.75-5.5V
0 4.85-5.36V
Pin5
0
0
Pin4
Pin10 Pin11
0 H
0 H
Pin6
30.4-33.6V
31.36-32.64V
Pin5