DAYTEK LC2018NT Servicehandleiding - Pagina 4

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Ⅰ. TEST NOTE

Please follow the pointed test steps and choose the right test equipment to conduct

adjustment, otherwise good effect of Unit could not be obtained. The unit should be

warmed up for 30 minutes before adjustment and every parameter should be adjusted

repeatedly till the optimum value obtained, the pointed voltage value should be ensured

during test to get satisfied test result.

Test environment

1) Temperature

2) Relative Humidity : 45-75%

3) Air pressure

3 Test equipments（The following equipment should be calibrated before testing）

1) Computer

2) Multi-meter (VICTOR VC9801)

3) Video Signal Generator (Chroma Model 2227/2327)

4) Color Analyzer (Chroma Model 7120 )

5) DDC card (DYNACOLOR, INC D8330)

6) TV Video Signal Generator (FLUKE PM54200)

4 Factory mode adjustment

4.1 Enter factory mode adjustment

Using the remote control, press Menu button once first , then press PRE.CH(or named

RECALL) button five times,and you can see manufacture menu on the LCD panel.

4.2 factory menu operation method

Press the channel +/- button to selection the sub menu of factory menu（including F、E、

UOCⅢ、RGBTemp、Temp）, and press the vol+ to enter the sub menu and setting the value.

4.3 exit the factory menu

Press the MUTE button again and again or turn off the TV, it can exit the factory menu.

4.4 AGC adjustment

In TV mode,Receive 60dB split field signal.Enter factory mode menu "UOC Ⅲ " item,

press"CHAN▽" to select "RF AGC" ，then use VOL+/- to adjust the item until the voltage of Pin

1 of N100 to be about 2.5V±0.2V,then noise wave of the picture point disappears.

ADJUSTMENT MANUAL

： 15°C-35°C

: 86-106KPa

1 set

1 slice

1 set