Introduction

Use this guide to install a new lamp ballast.

Image 1/1: Remove the single 18 mm Phillips #1 screw on the lamp access panel.
  • Before disassembling your television, be sure it is powered off and unplugged.

  • Remove the single 18 mm Phillips #1 screw on the lamp access panel.

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Image 1/1:
  • Pull the lamp access panel off of the back panel of the television by pulling straight back on the left side of the panel near the screw then pulling to the left.

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Image 1/1: These two screws are permanently attached to the lamp housing and cannot be removed completely.
  • Loosen the two Phillips #2 screws securing the lamp housing to the television until the screws will swivel vertically.

    • These two screws are permanently attached to the lamp housing and cannot be removed completely.

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Image 1/1: Do not touch the glass of the lamp with your bare hands. The oil from your fingers can distort the TV image and lead to other issues.
  • Using the handle, pull the lamp housing straight back out of the television.

    • Do not touch the glass of the lamp with your bare hands. The oil from your fingers can distort the TV image and lead to other issues.

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Image 1/2: One 22 mm Phillips #1 in the bottom right corner of the back panel. Image 2/2: One 18 mm Phillips #1 in the top middle of the back panel.
  • Remove the following 8 Phillips #1 screws:

    • One 22 mm Phillips #1 in the bottom right corner of the back panel.

    • One 18 mm Phillips #1 in the top middle of the back panel.

    • Six 18 mm Phillips #1 in the rest of the back panel.

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Image 1/1:
  • Pull the back panel off of the television by gripping the sides and rotating it down.

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Image 1/1:
  • Pull up and unsecure the orange and green power connection wires that are being held down by the white clamps and black cable hooks.

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Image 1/1:
  • Pull straight back on the lamp ballast housing to remove it from the television.

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Image 1/2: Image 2/2:
  • Disconnect the orange and green power connection from the lamp ballast by holding the white tab on the connector and pulling straight out.

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Image 1/1:
  • Remove two 14 mm Phillips #0 screws securing the lamp ballast to it's housing.

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  • Disconnect the green and red main board connection from the lamp ballast by gently pulling straight back out of the socket.

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Image 1/1:
  • Remove one 10 mm Phillips #1 screw from the back of the lamp ballast housing.

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Image 1/2: The lamp connection that is on the back of the lamp ballast housing should have its flat side facing away from the ballast housing when you are putting the t.v. back together. Image 2/2: The lamp connection that is on the back of the lamp ballast housing should have its flat side facing away from the ballast housing when you are putting the t.v. back together.
  • Pull the lamp ballast out of its housing.

  • The lamp connection that is on the back of the lamp ballast housing should have its flat side facing away from the ballast housing when you are putting the t.v. back together.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

Herman Chai

Member since: 10/02/2012

148 Reputation

3 Guides authored

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Cal Poly, Team 18-39, Regan Fall 2012 Member of Cal Poly, Team 18-39, Regan Fall 2012

CPSU-REGAN-F12S18G39

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3 Comments

How did you know the ballast was the problem? When my tv is turned on the green light blinks continuously and sort of sounds like a jet engine but really quiet. It also was making an arc welder type sound (also very quiet) and emitting blue light from the ballast area so Im lead to believe this is the problem.

jbouwer5823 - Reply

Any help would be greatly appreciated.

jbouwer5823 - Reply

I have a WD-57732 and I can tell you that to change my lamp ballast you have to pull out the whole lower carriage because the ballast is in a enclosed metal box and you cannot get to the back screw to get it off. Even when I did all of this and put in a replacement ballast that was used I still got a flashing green light with a solid red and the TV turns itself off in one minute. So $69.95 for a used ballast $159.00 for a new lamp and still no picture after 3 hours of work. Time for a new TV.

Bob Parrott 2/27/2016

bobparrott1@gmail.com

parrotts - Reply

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