Began to think that is the degaussing circuit has a problem, so the degaussing resistance directly removed, changed into the same type of degaussing resistance and failure remains, murphy is decoding circuit IC5001 (AN5635N) problems? IC5001 internal structure as shown in figure, The (1), (2), (3) feet dc voltage is 9 V, 6.5 V and 6 respectively 5 V, 1 foot significantly higher than the nominal value of 6.5 V voltage. Foot can be seen from figure 1, 1) is governed by (23), (23) foot measurement of dc voltage is only 2.5 V (its nominal value for 9 V), external clamping capacitance measuring the foot C501 is terminal voltage is 12 V, normal. Problem could be out on the capacitance C501, measure C501 will be removed, its capacity only o. 1 uf (nominal value is 1 uf / 50 v). Change is the new capacitance, dc voltage (23), (1) the foot back to normal, at the same time, the screen color is back to normal.MXKservice manual download site