Alignment Instructions - Sanyo LCD-19XR9DA 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 power board, digital processing board, IR board and backlight board according the wiring
diagram, connect the power and press
Test the pin voltage of X401, the data is shown in table1:
X401 Pin1
Voltage ≤3.3V
3. Alignment flow-chart
The alignment flow-chart is shown as fig-1
Table1 voltage data of X401
2 3 4,5
0 ≤3.3V 12V±5%
Check if EDIT, 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.
Input AV signal and check the function
Input Component signal and check the function of YPbPr
Input D-SUB signal and check if the display is normal, check
the function (analog control), horizontal/vertical center, etc.
Input HDMI signal and check if the display is normal, check
the function (analog control), horizontal/vertical center, etc.
Check the other functions (LCN, OTA)
to turn on the TV.
6,7 8
0 32V±5%
3
9 10 11
5V±5% 0 5V±5%
12 13
0 ≤3.3V