According to the fault doubt TV in double-sided circuit board caused by the leakage of be affected with damp be affected with damp. G5rservice manual download site
 G5rservice manual download site
Join a small amount of detergent powder in water and towel first, and then wash the machine signal board and AV plate (can't keep the high frequency head and into the box of internal water), then use tap water washed several times, and then use air compressor blow away the circuit board, the water drops on the dry or drying circuit board. G5rservice manual download site
 G5rservice manual download site
After the treatment of commissioning, the television troubleshooting blue screen fault; Blackout fault that TV set the grating, but lack of grating field amplitude and barrel distortion. Measure SCL2 bus voltage is only 1 V, when remove the picture in picture (PIP) after processing board, grating returned to normal, then the bus voltage rose to about 4.5 V, doubt PIP board still has the leakage point, again to PIP board cleaning, drying, commissioning, troubleshooting.G5rservice manual download site