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HOW TO DO ADC CALIBRATION AND FUNCTION CHECK - LG 37LD420 Z LCD TV

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ADC PROCESS
  • Enter Service Mode by pushing “ADJ” key,
  • Enter Internal ADC mode by pushing “G” key at “5. ADC Calibration”
Caution: Using ‘power on’ button of the Adjustment R/C, power on TV.
ADC Calibration Protocol (RS232)
Adjust Sequence
aa 00 00 [Enter Adjust Mode]
xb 00 40 [Component1 Input (480i)]
ad 00 10 [Adjust 480i Comp1]
xb 00 60 [RGB Input (1024*768)]
ad 00 10 [Adjust 1024*768 RGB]
aa 00 90 End Adjust mode
Required equipment : Adjustment R/C.
FUNCTION CHECK
Check display and sound,  Check Input and Signal items. (cf. work instructions)
  1. TV
  2. AV (SCART1/SCART2/ CVBS)
  3. COMPONENT (480i)
  4. RGB (PC : 1024 x 768 @ 60hz)
  5. HDMI
  6. PC Audio In
Display and Sound check is executed by Remote control.


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