Question about Sharp Televison & Video
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Posted on Jan 02, 2017
look to the IC near the AV jack there is a AV switch IC. try to replace it. but some tv use a large IC jungle which is the AV sw. is also inside that large IC.So study carefully if your tv has a separate AV sw. IC..
Posted on Jun 04, 2009
SOURCE: my tv sharp model no.20v
have an oscilloscope? trace the audio. I'm assuming you have a scope if your replacing I.C.s in TVs. make sure your volume is up a little bit when checking the amp section. make sure all wires are connected (speaker too).
make sure tda is getting voltage (view tda7056 datasheet for pinout data)
make sure it isn't an eprom fault
Posted on Apr 15, 2011
Testimonial: "i tink the problem of this no sound is the eprom fault tank you very much"
tda9380ps /n3/3/1664 using in sharp tv power supply ok ,but no EHT ,the power LED are glowing red light press program key to change green light to return in few miniutes to standby in red light
Posted on Dec 06, 2011
SOURCE: my LG TV Model 21FD2RG-AX
replace the vertical ic or check waveform of input signal to the vertical ic from processor, if these all are OK, check the deflection yoke continuity and replace if there have problem
Posted on Nov 09, 2013
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