LG 26LC2R Service Manual - Page 25

5. No Sound (1) Symptom 1) Front LED is Green 2) The Set display a screen, but a sound doesn't output (2) Check process 1) Speaker part Yes Are Speaker Cables Good? No Are Speaker Cables connect normally? No Exchange the cable Insert the cable exactly Yes Are Speaker units good? 2) Main board part Is sound at HDMI No Good? Is EDID download Yes Is IC401 good? good? (AD9381) No No Download EDID data once more. Exchange IC401 Is sound at Scart1/2 (or No Component2)RGB, or Side AV Good? Are good some elements (C, R, L, Yes or Diode) at Sound path? No Is IC800 good? (Switching IC) No Yes Is IC601 good? (VCT-P) No Yes Is IC801 good? (Amplifier) No If it dead or short, exchange this elements Exchange IC800 Exchange IC601 Exchange IC801 Is sound at RF, AV, or Component1 No Good? Are good some elements (C, R, L, or Diode) at Sound path? No If it dead or short, exchange this elements - 25 -