Sanyo LCD-42XR8KH, Service Manual

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3
Alignment instructions
1. Test equipment
PM5518 (video signal generator)
VG-848 (VGA and HDMI signal generator)
CA210 (color analyzer)
2 Alignment flow-chart
The alignment flow-chart is shown as fig-1
Fig-1 adjustment flow-chart
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” repeatedly to exit.
3.1 Initialization
Enter factory menu, select “OPTION” and “HOTEL OPTION” sub-menu, adjustment of items to see
table1.
Table1 sub-menu adjustment
Items Preset Introduce
HOTEL 0 1: HOTEL OPTION of factory menu is optional
0: HOTEL OPTION of factory menu is not optional
LOGO 1 1: display LOGO in no signal or turn on
0: no LOGO display
ADC PRESCALE 00A adjust according the power consumption
Check
DDC, HDCP KEY, FLASH
Factory initialization setup
IF channel AFT voltage of TV and AGC voltage adjustment
White balance adjustment
Performance check
Preset ex-factory
Combined test for general assembly
A cco ing the pow
Alig A nment nstructi n
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