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Question posted by tmorrison247 on March 20th, 2013

My Sony Kf-50we620 Suddenly Goes Black Before Slowly Returning.

I recently replaced the bulb in my sony kf-50we620, now the picture goes suddenly black before slowly returning, though not as bright as it used to be. Is this a bulb, ballast, or cooling fan issue?

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Answer #1: Posted by tintinb on April 9th, 2013 11:54 PM

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tintinb

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This is usually related to an overheating problem of your Sony KF- 50WE620 TV. First, make sure that you are using the device in a well ventilated area. Also check the power cable/cord if properly plugged into the power outlet.

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Related Sony KF-50WE620 Manual Pages

Operating Instructions (Large File - 11.3 MB) - Page 1

LCD Projection TV KF-42WE620/KF-50WE620 2-108-981-13 (1) LCD Projection TV HD-Monitor Operating Instructions KF-42WE620 KF-50WE620  2004 Sony Corporation

Operating Instructions (Large File - 11.3 MB) - Page 2

... them whenever you call one of the following numbers. Refer to the use of your Sony TV, Please call upon your Sony dealer regarding this product. Serial No. Owner's Record The model and serial numbers are located at the rear of the LCD projection TV, below . Record these numbers in Canada contact the Customer Relations Center at...

Operating Instructions (Large File - 11.3 MB) - Page 3

...television receiver provides display of television closed captioning in the literature accompanying the appliance. You are not covered by cable companies or satellite for the use this manual could void your warranty and your projection TV, keep the brightness and contrast functions at a high brightness... shock, do not expose the LCD projection TV to rain or moisture. Continuously ...

Operating Instructions (Large File - 11.3 MB) - Page 4

...; If the LCD projection TV is trademark of a reflective material. CAUTION Use the following Sony appliance(s) only with opaque drapery. registered mark. and are not of Sony Corporation. Steady Sound, Digital Reality Creation, CineMotion, and Twin View are trademarks of BBE Sound, Inc. It is incorporated under U.S. SONY APPLIANCE MODEL NO.: KF-42WE620 KF-50WE620 SONY TV STAND MODEL...

Operating Instructions (Large File - 11.3 MB) - Page 8

... warnings. 4) Follow all instructions. 5) Do not use . ❑ In rare instances, the bulb may pop inside the lamp unit. (See "Replacing the Lamp" on page 15.) ❑ When ... plug has two blades with highprecision technology, black dots may appear or bright points of the LCD projection TV. About the LCD Projection TV Although the LCD projection TV is not a defect. This is a structural...

Operating Instructions (Large File - 11.3 MB) - Page 9

... the Sony LCD Projection TV Presenting the Sony LCD Projection TV 11 Using This Manual 12 Enjoying Your LCD Projection TV 13 Replacing the Lamp 15 Installing and Connecting the LCD Projection TV Contents 21 Inserting Batteries into the Remote Control ..........21 Carrying Your LCD Projection TV 22 To Prevent the LCD Projection TV from Falling ..23 When Installing Your LCD Projection TV...

Operating Instructions (Large File - 11.3 MB) - Page 11

... (Continued) 11 You can watch two programs side by side with your new LCD projection TV include: ❑ HD-Monitor: Enables the display of the motion images (for models KF-42WE620 and KF-50WE620. Features Some of the features that have compatible interfaces. By using the HD/DVD IN jacks, you can display 1080i, 720p, and 480p sources). ❑ Parental...

Operating Instructions (Large File - 11.3 MB) - Page 12

... This section shows you how to access on the LCD projection TV console. 12 It also shows you how to use your remote control functions. 3 Using the Menus This section teaches you how to begin using your new LCD projection TV. Similar controls are written for the remote control. Introducing the Sony LCD Projection TV ❑ S-VIDEO Inputs: Provides a high-quality image from...

Operating Instructions (Large File - 11.3 MB) - Page 13

... the Sony LCD Projection TV Projection lamp Indicators Screen Indicators The indicators show the current status of the Monitor" on page 87. If the LAMP indicator flashes, see "Replacing the Lamp" on page 15. ✍ The light emitted from the lamp is quite bright when your LCD projection TV is on your LCD projection TV will not turn on page 14 carefully before the picture...

Operating Instructions (Large File - 11.3 MB) - Page 14

... the Sony LCD Projection TV Notes on the LCD Projection TV To enjoy clear pictures ❑ Be sure not to allow sunlight or light from a lamp to shine directly onto the screen. ❑ The screen surface is placed in a humid room, or if the room temperature changes suddenly, the picture may damage the screen. ✍ To clean the screen, use the...

Operating Instructions (Large File - 11.3 MB) - Page 15

Introducing the Sony LCD Projection TV Introducing the Sony LCD Projection TV Replacing the Lamp The projection lamp, which illuminates the picture, has a limited life. Be sure to do not touch the receptacle. ❑ Mount the new lamp securely. Use of the LCD projection TV after removing the lamp. Doing so may cause injury or fire. ❑ Before replacing the lamp, turn the power off ...

Operating Instructions (Large File - 11.3 MB) - Page 16

...Sony LCD Projection TV The Used Lamp For customers in the United States. Doing so may cause the lamp to cool down before replacing it. This may be regulated if sold in the United States: This product contains mercury. Take the new lamp out of children. ❑ Do not pour water onto the used...lamp or the glass of this product may reduce picture quality or lamp life. 2 Wait at least ...

Operating Instructions (Large File - 11.3 MB) - Page 17

Never touch the front glass of the replacement lamp. Never put the used lamp into a plastic bag. (Continued) 17 Introducing the Sony LCD Projection TV Introducing the Sony LCD Projection TV ✍ The front panel cover is very hot immediately after use. 4 Remove the front panel. Pull firmly on the cover in the numbered order (see illustration) with both hands to release...

Operating Instructions (Large File - 11.3 MB) - Page 23

.... As a protective measure, secure the LCD projection TV as follows. GW1 (for KF-50WE620, not supplied), or model SU-GW11/SU-GW2 (for KF-42WE620, not supplied) with support belts ❑ You can also use the LCD projection TV stand model SU-GW11/SU- Using the LCD projection TV stand with a support belt. Climbing on or pushing the LCD projection TV or its stand may cause it...

Operating Instructions (Large File - 11.3 MB) - Page 57

...program continues on the left. Using the Features Using the Features Using the Freeze Function The Freeze function allows you are already in progress Frozen picture 3 To cancel and return to normal viewing, press FREEZE again. ✍ Freeze feature is displayed, press FREEZE. 2 The LCD projection TV switches to temporarily capture a program's picture. Current program in Favorite Channel...

Operating Instructions (Large File - 11.3 MB) - Page 59

... Page Allows you to make adjustments to your LCD projection TV. To end one menu session and move to another ❑ Press V to return to select it . Offers enhanced audio options such...customize the Picture Mode based on your picture settings. 60 It also allows you are viewing. Using the Menus Using the Menus Overview DVD/ MUTING VCR SAT/ CABLE POWER MODE TV/ PICTURE WIDE DISPLAY...

Operating Instructions (Large File - 11.3 MB) - Page 66

... Normal Select to return the 4:3 picture to an equal aspect ratio that fills the wide screen. Off Select to continue using the current screen ...Using the Menus Option 4:3 Default Select the default Screen Mode to use for the current channel. z The 4:3 Default functions only when the LCD projection TV receives 480i and 480p signals. Adjust Allows you to move the position of the picture...

Operating Instructions (Large File - 11.3 MB) - Page 77

...to control with the LCD projection TV's remote control, use the equipment's own remote control unit. 77 If not, try entering them one by one code number is preset to operate Sony brand video equipment. ...the programming is input, the remote control automatically goes back to the previous setting. 5 To check if the code number works, aim the TV's remote control at the equipment and press DVD/...

Operating Instructions (Large File - 11.3 MB) - Page 84

.... If doubled images appear with theatrical releases). If you use an indoor antenna; Your LCD projection TV will show very fine detail, and is normal for certain...picture while viewing these programs with black bands at the top ❏ Some wide-screen programs are especially susceptible to Off. Dotted lines or stripes ❏ Adjust the antenna. ❏ Move the LCD projection TV...

Operating Instructions (Large File - 11.3 MB) - Page 87

... corrected, the POWER/ STANDBY indicator goes out and the LCD projection TV enters standby mode (see page 15). Flashing Indicators on . The POWER/STANDBY indicator flashes three times. ❑ The lamp cover is ready to turn on the Front of the Monitor Other Information Other Information KF-42WE620 POWER/STANDBY TIMER KF-50WE620 POWER/STANDBY TIMER LAMP LAMP...