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Panasonic sa-ch84m doesen´t turn on,it´s got the rectifiers and fuse ok,it got´s 30v on the dysply and apears horizontal lines on the dysplay ,without keywords or numers

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Throw it out the window


hope this helps

Posted on Sep 18, 2008

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Stryker x7000 light source. power Fault,i have checked Power Supply component main capacitor fuse and bridge rectifier all is OK but no display and out put,kindly help me please.


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. 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/

Jan 01, 2015 | Televison & Video

Tip

How can add Horizontal Lines in Document Quickly with Word 2007?


<p><span>With this technique we can add horizontal lines without having to use of the ribbon on the top of the page. It is very easy to add horizontal line in Word 2007 just using the keyboard shortcuts. You will be able to insert many different designs by using the keyboard.</span><br /> <p><span>You can use one of the following methods.</span><br /> <p><span>1.<span> </span>For adding a simple straight line, type three dashes (---) and press Enter. </span><br /> <p><span>2.<span> </span>If you want to add the style of a horizontal line, type three asterisks (***) then press Enter. </span><br /> <p><span>3. You may type three underscores (___) and press Enter for got this line.</span><br /> <p><span>4. For getting this line type three equal signs (===) and press Enter. </span><br /> <p><span>By using these shortcuts you can break two paragraphs in Word 2007, you may to break the numerous sections of a document.</span><br /> <p><span>This is the simply way for using a new character like asterisk, equal, underscores, or dashes, you can add style to the Word document.<b><span> </span></b></span><br />

on Dec 24, 2010 | Computers & Internet

1 Answer

Solutions for horizontal line problem on tv


If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/
Reasons for this probem [Horizontal Line] have been described. Search for it with this keyword "horizontal line problem"

May 03, 2014 | Sanyo Televison & Video

2 Answers

NO POWER AT ALL


Hi
our tv set need to be serviced. Here are some tips:
1. Open main fuse. The fuse is clean but interrupted. You can try replacing it with one o the same value.
2. Fuse Blown or blackened. Short in the rectifier bridge or in the switching transistor. Out of the power supply: supply line rectifier (100/150V) shorted.

Sully

Sep 29, 2013 | Televison & Video

1 Answer

TV shuts down, power light blinks nine times


1) test the power supply: a) line cord, b) fuse c) c.breaker d) rectifier e) filter,f) switch,
2) measure the horizontal output +125Vdc
3) all other circuit +12Vdc-
4) vertical output +80Vdc
10_16_2012_6_28_16_pm.png

Oct 16, 2012 | RCA Scenium D34W20 34" TV

2 Answers

SHARP 21V-FK220M ALWAYS TURN OFF AFTER 2-3MINS.?


1) test the power supply: line cord, fuse, c.breaker, rectifier, switch, filter.
2) horizontal output +125vdc( HV transformer or flyback, +HV rectifier)
3) all other circuite +12vdc
4) vertical output +80vdc
see the b.diagram attached.
God bless you
10_16_2012_6_32_02_pm.png

Oct 16, 2012 | Primax Electronics HT2778P TV

1 Answer

Wavy horizontal lines across the screen


It sounds that the main power supply section to your TV has the fault. The horizontal thik lines that appears crawling down across the screen should be of video 'HUM'. Have you replaced the main filter capacitor at the power supply section? If not, replace it along with the main rectifier. The AC power is rectifed by a bridge and applied ot this main filter capcitor. It will have a capacitance value between 120 to 350MFD 450VDC. Check this section. Measure the rectifed DC voltage acorss this main filter capacitor. It should be around 350VDC, if your home power supply line is 220VAC. If it is 110AC, this DC voltage will be around 165VDC; and it should be. If rectified DC voltage found lower than the input AC voltage, replace the rectifier bridge. In some sets, this bridge section have four diodes. Some other circuits, a bridge rectifier stalk may be used.

May 20, 2012 | JVC AV-27050 TV

1 Answer

No image on a toshiba Cf27g50


If it is a vertical line, change the horizontal output transistor + capacitors. If it is a horizontal line, replace vertical output transistor + capacitors. Both cost around $10-20.

May 21, 2009 | Toshiba CF27G50 27" TV

1 Answer

Lines on tv


Set starts, horizontal and vertical deflection work, HT ok, crt heaters ok, but no sound or picture
I turned the G2 voltage up and noticed a white screen with flyback lines, frame ok. I detected two badly soldered double diode rectifiers in the secondary part of the power supply ! I checked all other joints, and everything was ok !! success
White horizontal line (no vertical deflection)
Check / replace R548, R549
Sound but no picture except for a couple of horizontal colour lines
Replaced the frame chip TDA8356, set now ok

Nov 23, 2007 | Mitsubishi WS-65511 65" Rear Projection...

1 Answer

GE 35GT168


If you indeed have a line down the center of the screen that means the horizontal output transistor is working as it produces high voltage as well. The rectifiers are working otherwise you would have no power or sound. What you need to look at is either the horizontal windings of the deflection yoke are open or you have a open return from the yoke to the horitontal output stage.

May 06, 2007 | GE 35GT740 35" TV

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