Question about Televison & Video
There is no replacement number. You should use the original number fitted with the TV.
Posted on Apr 27, 2015
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Posted on Jan 02, 2017
SOURCE: I have a Sharp Aquos
The cause of this problem can't be predicted. As far as sond is OK, it means that the sections, video IF, sound IF, tuner and all other fuctions except the video section is working well. There are mainly two reasons for this video fault. The first one is DAC trouble itself. if it is detected by test, the DAC board should be repaced. There is not replacable part in that board, as all components are soeered into it by machines. They can't be repalced by normal desoldering and soldering methods. Card replacement is the only remedy. The second possible fault is, no power entering to this board. it can be tested by normal methods by using a digital multimeter. A high quality digital multimeter should be used, as the components of this side are very sensitive to external loads. ordinary multimeter will make a load to it whilw testing it live. You must have through knolwdge in electronics, especially digital electronics, as this part is digtal section.
Just do one thing first. Switch off the set by remote control [Standby state]; keep it as for about 1 minute, unplug the power socket from the wall, keep it as for 2 minutes. Thus reset will complete. Switch it ON after that, and check whether reset process help you. If not, no doubt that the video card is damaged and should be replaced.
If you want anymore assistance, get me by Fixya. I'm happy to assist you. OK.
Posted on Mar 30, 2011
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