Alignment Instructions - Sanyo LCD-26XR7 Service Manual

Alignment instructions

1. Test equipment
PM5518 (video signal generator)
VG-849 (VGA signal generator)
CA210 (white balancer)
2 Alignment flow-chart
The alignment flow-chart is shown as fig-1
3 Unit adjustments
Connect all the boards according to wiring diagram, connect with power and observe the display.
Method for entering factory menu: press "INPUT", "2", "5", "8" and "0" in turn to enter factory menu;
press "CH+" and "CH-" to select adjustment items and press "VOL+" and "VOL-" to adjust value
items, press "MENU" continuously to exit.
3.1 Initialization
Enter factory menu, select "OPTION" and "HOTEL OPTION" sub-menu, adjustment of items to see
table1.
Items
HOTEL
LOGO
ADC PRESCALE
SIF PRESCALE
Check DDC, HDCP KEY, FLASH and POWER control IC
Combined test for general assembly
Factory initialization setup
IF channel voltage of TV and AGC voltage adjustment
White balance adjustment
Performance check
Preset ex-factory
Fig-1 adjustment flow-chart
Table1 sub-menu adjustment
Preset
0 1: HOTEL OPTION of factory menu is optional
0: HOTEL OPTION of factory menu is not optional
1 1: display LOGO in no signal or turn on
0: no LOGO display
00A Adjust according different power consumption
000 Adjust according different power consumption
Introduce
3