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In my sharp crt tv ic TDA 9380ps/n3/3/1664all voltages are ok to the ic but indicator not glow and set in stand by what is problem please help.

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SOURCE: orion tv problem

tv flipping colors and verticle alignment not straight

Posted on Feb 10, 2009

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darjr
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SOURCE: IN TV i have not get a picture on av mode mean av

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

  • 130 Answers

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"

  • 1 Answer

SOURCE: tda9380ps /n3/3/1664 using in sharp tv power

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

forvishnus
  • 14 Answers

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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Tda9380ps /n3/3/using in sharp tv power supply ok ,but no EHT ,the power LED are glowing red light press program key to change green light please to help send circuit diagram and IC pin configaration


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Give a special attention to this transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

May 19, 2015 | Sharp Televison & Video

1 Answer

I want supply voltages& pin numbers of tda 9380ps / n3 / 3 / 1664


To get more details, check these links. Schematic diagrams of some sets, using this number IC is given. You can refer it. If you do not find it there, inform me. The schematic diagrams are in PDF, and cannot send by this window, as you know.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/

Dec 13, 2013 | Televison & Video

1 Answer

Tda 9370


Check the video output RGB out terminals of the TDA9370. Check the voltages. If can, check signal waveform. You have't specified nothing about the audio status. If you wish to get the schematic of TVs, using TDA9370, check the site linked here. Never confirm that the IC is OK. Check the serial data & serial clock. Replace the main system control memory IC, too. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by type in the model name to your set in its search box, or view it in Mosaic /Timeslide option.

Jul 21, 2013 | Televison & Video

3 Answers

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 position...


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

Aug 30, 2011 | Sharp 21" Multi System Stereo TV

1 Answer

Our television automatically turned off right after we turned it on and it won't power up anymore. Is there anything I can do?


if the power indicator lamp lights on, but in stand-by mode. it signifies the power regulators are still working but the problem is in the horizontal section. you should check the horizontal output, or drive, range from transistor horizontal output and IC horizontal drive and if damaged must be replaced. if the indicator lights do not light on at all, you should check the power regulator such as transistor regulator. for more detail how to measure the Voltage on TV you can see in my Blog here : http://trend2download.blogspot.com/2010/08/how-to-measure-voltage-on-tv.html

Aug 23, 2010 | Sharp 27U-F510 27" TV

1 Answer

IN TV i have not get a picture on av mode mean av is not switching in this tv IC 9380PS as microproccessor IC & 24c16 as memory IC


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..

Jun 04, 2009 | Televison & Video

3 Answers

Missing vertical deflection on philips TV


TDA 8362B IC which have vertical freq.output is at pin no.43. (vert.osc) caution for fixing this problem minimise brightness to avoid crt burn. proceed as follows 1 if you are getting sawtooth at output of ic tda 8362 pin 43 then check 1 supply at vertical output ic from eht. 2 yoke connector loose . 3 check vertical output ic parts. 4 finally vertical ic. please check for normal output from power supply even though fault gets rectified just for protection. good luck.

Sep 22, 2007 | RCA 13R400TD 13" TV

1 Answer

Sansui 2110


as your sound is ok so your power supply & high voltage section is ok.(eht). please check 1 filament is glowing, 2 crt base for loose 3 voltages on crt points 4 luminance in chroma ic

Sep 14, 2007 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Clicks but crt does not turn on


The Tv clicks and CRT comes on for a second before it goes into the protection shutdown. The LED flashes 6 times and sometimes 7 times. I checked the voltage accross IC501 as suggested in other posts and one of the votages is higher thatn it should be. thesymptom for the 6 LEd flashes suggest overscurrent and bad IC 504. I don't know how to meassure the voltage on the IC504 however as it has 4 prongs instead of three. My question is if there is something that may be causing this. Please help! I can offer you the Service manual for the KV series TV in return... you seem to be a techanical person so answer is purely technical. Clicks but crt does not turn on 1 check whether power supply out put is ok.by disconnecting h/output 2 if it is ok check hor. section that is eht is ok or not as without eht crt will not glow. check crt supply &loose connection in crt base. regards thanks

Sep 11, 2007 | Sony FD Trinitron WEGA KV-30HS420 30" TV

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