Service Adjustments - Sanyo LCD-42XF8T Service Manual

CAUTION !
Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance
and for correct operation.
Setting the Initial data
r
This adjustment is controlled by the CPU (IC5501) through the IIC Bus Data Line in the chassis, and those
adjustment data are memorized the memory IC (IC5601, IC5602). Therefore, Main board or the memory
IC (IC5601, IC5602) is replaced, these data will be disappeared. Readjust should be made. Initial data is
provided in the CPU ROM, when the memory IC (IC5601, IC5602) is replaced with new one. CPU ROM
data is loaded into the memory. Initial data is provided to operating the monitor basically. For operating the
monitor quality performance, further adjustment is required following chassis electrical adjustment.
1. Enter the Service Mode, and select NVM Initial.
 Enter the Service Mode.
 Select "SPECIAL SET" by pressing ▲ or ▼ button, then press ENTER button to enter SPECIAL SET
menu.
 With the menu, press ▲▼ buttons to select NVM Initial, then press ENTER button,
after NVM initial operation is finished, please exit the menu. Disconnect the AC power supply and reconnect
it, then all the data will return to factory default settings.
(Note: After executed reset function, ADC ADJUST and W/B ADJUST should be readjusted. Please
enter Service Mode to adjust data.)
2. Enter the Service Mode, and select ADC ADJUST / W/B ADJUST to adjust the data according
"Service Adjustment Data Table" on page 10.
r How to enter the Service Mode. Please refer to page 9.

Service Adjustments

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