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Lcp107610-0001 ic 902 do not have oscilator but vcc are ok and 325v are precent i remplace the ic ap3842b but no have result

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SOURCE: RE: Needs the IC # for Location 902

According to the service manual:

IC902 9965 000 29296 IC 8P FSDM0365RN DIP

Posted on Mar 17, 2008

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1 Answer

Where is horizontal output ic in my t.v?


There is no horizontal oscillator IC. The horizontal oscillation is generated and outputted by the main system control IC LA76810 itself. Refer some circuit diagrams using LA76810 to get more details about the horizontal oscillation output from the IC. Measure the frequency at that output pin. It should be some ever near 15.62KHz.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Type in the IC number, in the search box [at the top right] of the display window, and press enter to get all related posts. It will make surf easy.

Jan 31, 2015 | Televison & Video

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Horizontal ine in CRT tv


Failure of the horzontal linerity coil, possible dry soldering on the board of the components- resistors and capcitors- in the horizontal coil circuit . Also failure of the deflection coil- YOKE- in the crt. So check the coils and the circuit around this section as the rest of circuit seems OK.

Apr 06, 2011 | Televison & Video

1 Answer

My Panasonic TC-21Z88RBN doesn’t displays the total picture vertically ,when the picture is display it like not in the center of the screen sum of it is disappear in the bottom


Hello

Your TVs vertical output section has the fault. You just open your TV after disconnecting it from the AC mains wall socket, and locate the vertical output section. This section uses an Ic marked as part [IC 401] on the board and its number is LA7840. Just look for any loose soderings around its components legs, and the solderings at the IC legs, which has 7 of them. The IC stated above will be screwed onto a heatsink to radiate heat out of it when it works.
If all soldering point are fine, come towards the IC legs and measure the voltages at each leg. The voltages must be
pin 1= Ground
pin 2= 12.6
pin 3= 24.7
pin 4= 4.4
pin 5= 4.4
pin 6= 24v [vcc]
pin 7= 1.8
All voltages stated above are DC voltages with respect to ground. If any of this voltage is missing, find out the reason for that. If all of them are noted abnormal, IC may be defective, and replace it.
[vcc] stands for main input voltage to the IC.
If you need any more assistance, feel free to contact me through Fixya. Ok.

Dec 07, 2010 | Panasonic TC-21Z88R 21" TV

1 Answer

I bought a 32' ctgv-3249 series at a aucton and there is no color


Hello
If the picture is correct in black and white mode and sound is Ok, your TVs chroma section is in trouble. At present sets, this section consists of an Ic. That Ic may be not working. There are many reason for which chroma section cannot work. Consult an experienced technican to rectify the trouble. There is an oscillator section inside the chroma Ic which receives its oscillations from an ouside crystal oscillator, usually oscillates at a frequency of 4.43361879Mhs or 8.86Mhz or may differ its frequency according to the circuit designs of that tv. Your technician will detect it and rpace the same if needs. You yourself cannot detect the exact point of fault. It need digital multimeter which can count frequency also.

Oct 15, 2010 | Broksonic TV

1 Answer

Have Ge model 52GW945 tv, it went blank no picture, nothing, I checked fuse its ok what next


Check the swithed mode power supply section. Some sets uses Ics for control the power regulation, while others uses transistors as oscillators and choppers. If the power to the oscillator section of the SMPS is absent, the supply system won't wake up. So many reasons are there. You just check the resistor, usually connected from main DC rectified supply, to energise the oscillator section of the SMPS. In most sets it may be two resistors in serial, usually 270k 1W*2. If any one of this get opened, the power supply will not start up. Check it first and preceed. If the set uses Ic as regulator controller, check the positive supply voltage at the respective pin of the Ic.

Oct 15, 2010 | GE Televison & Video

1 Answer

Unit has sound, no vertical deflection. caps and output ic ok. have b+ to output. nothing at pin 2 of output ic.


If there's an audio,,it might be the defective Vertical IC...but check first if there's 24v-26vdc supply coming from FBT going to Vcc of Vertical IC.

If there's no Audio,and only white horizontal line in the screen,check the Vertical out of Jungle IC.

Good luck!

Oct 12, 2009 | Toshiba 27D46 27" TV

1 Answer

Characters are scrambled


check connections of R.G.B.and 15 pins to end thenif ok then check positive Vcc at the ic on crt base if less than 12v then check regulater ic if faulty replace it display also can be corrected by adjusting ring magnets on yoke coil

Oct 14, 2008 | LG Studioworks 45 14" CRT Monitor

1 Answer

RE: Needs the IC # for Location 902


According to the service manual:

IC902 9965 000 29296 IC 8P FSDM0365RN DIP

Mar 15, 2008 | Philips HTS3400/37 System

1 Answer

No eht


Disconnect the horizontal driver transformer output pins and connect an led there to find the it is oscillating, if it does, then it could be the LOT. Try replacing the oscillator ic if there is no oscillation.

Dec 28, 2007 | Televison & Video

5 Answers

N70 network


simple, reset your settings or soft reset but first backup your phone memory when finished get your mmc and resetnit....

Dec 07, 2007 | Nokia N70 Cellular Phone

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