LG 42PA4900-DD (CHASSIS:PB21A) Service Manual ▷ View online
STEP1. Setting like below. (Red box)
STEP2. Call “direct MIU Auto BIST” function from Menu.
6. Memory margin test. (DDR)
STEP3. Setting like below and push “Start DQS”. (Red box)
STEP4. below picture is test result. Red box is timing margin.
※Normal operating board has timing margin 7~9. If timing margin under 7 ,it’s some problem DDR or Main MIU.
6. Memory margin test. (DDR)
7. Pen touch overview. (Installation_Pentouch Program.)
7. Pen touch overview. (Installation_Pentouch Program.)
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