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I want to replace the screen on my phillips 55pp9401.i pulled the front lower cover off.removed the 4 screws on the bottom of screen.the bottom is lose ,but i cant see how to do the top of screen

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  • Philips Master
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Usually you just have to slide the frame assembly up to disengage the top clips that secure the top of the screen frame

Posted on Jul 04, 2008

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Posted on Jan 02, 2017

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57h94 hd tv,need to clean picture tube


Hello, first you have to uplug the tv, then remove the speaker grill (I think that one just pulls off the front, but some models had 2 screws on each side on the rear edge of the cabinet) once the grill is removed you will see either 4 or 6 phillips head screws along the bottom of the screen frame, remove them and unplug the control panel plug (may be 2 plugs). when that is done raise the screen assembly straight upwards about 2or 3 inches and pull straight out and carefully set aside. Use a quality glass cleaner and a lint free towel's, spray the towel with the cleaner and wipe the lens of the 3 crt's that face the mirror and dry them with a clean towel. Then clean the mirror the same way, do not spray the mirror with the cleaner. when everything is clean, replace the screen by holding it against the front of the set but about 3 inches above the top, press it gently inward on the frame as you press it downward until it is flush with the top of the cabinet, check to make sure it is flush with the sides of the cabinet all the way down, if not re-raise the screen and lower it making sure that it's flush on both sides. Re-plug the control panel , and re-install the screws and the speaker cover,,,,,tks

Nov 05, 2013 | Toshiba 57H94 57" Rear Projection HDTV

1 Answer

I am 99% sure I have a bad fan. TV was turning off (probably overheating). We replaced the lamp (for the fourth time), but the fan continues loudly when the set is turned on. Question-- Can I replace...



Tools/Supplies:

• Phillips screwdriver (magnetic tip)
• 1/4" nut driver
• 1/4" wrench, small adjustable wrench, or stubby Phillips (to access screw in tight spot)
• Canned air with extender tube, a few cans
• Optical-quality microfiber cloth
• Clean, lint-free cloth
• Small brush

Precautions:

• Do not use any cleaner that contains ammonia. A clean lint-free cloth dampened with water was adequate for me.
• To prevent over spray, do not spray any cleaner directly on to any TV part. Spray on to rag only. (I only used a dampened rag to clean plastic and metal surfaces; no electronics or optical surfaces.)
• Use only an optical quality microfiber cloth and/or canned air to clean the light engine lens, the mirror and the inside surfaces of the front screen.
• Exercise caution using canned air. Do not tilt the can and allow any liquid propellant to escape. I had a few full cans available, and swapped to a new can often.
• Keep screws removed from each panel in a different cup. Most are different sizes.
• When disconnecting wiring connectors, note color codes for connector orientation when reconnecting. Most connectors only install in one orientation, but it's not clearly obvious.
• If contacting any circuit boards/wiring connectors, make sure to touch the metal frame first to discharge any static charge.

Disassembly Instructions:

1. Insure TV is powered off and allowed to cool at least 2 hours (overnight if possible).

2. Open and remove the Lamp Unit door on left side of TV. Using a Phillips screwdriver, loosen the 2 screws on the lamp unit and carefully remove the lamp unit.
Clean lamp unit, using microfiber cloth on the lens and set aside for reinstallation.

3. With the lamp unit removed, you can see the light engine's color wheel through the small hole. I covered this hole with tape to prevent any dust from entering during my cleaning.

4. Remove the lower rear cover (2 screws on each end and 9 along the back panel).

5. Remove the cover from the Input/Output jacks by removing the 7 silver screws securing the cover to the Input/Output modules and sliding the cover off the power cord grommet.

6. Remove the front pedestal cover as follows:
Note the blue, red and grey wire harnesses on the right side leading to the front panel controls, AV-3 jacks and PC slots. Loosen and remove these wires from their wire ties.Grasp the pedestal cover at the ends and gently pull outward. It is installed with quick-release pins and should release easily.Gently pull the pedestal cover out, being careful to guide the wiring.Carefully disconnect the 3 wiring connectors, noting the color code for reconnection.In preparation of removing the front screen, 2 hidden screws must be removed. These 2 screws secure the bottom corners of the front screen and are installed from the back.

7. Remove the plastic housing where the lamp unit was removed:
Loosen the wire tie and remove the wires from the top of the plastic housing (these wires go to the lamp door switch).Remove 2 screws securing plastic housing. One on left side and other in base on right side (with limited space available, will need 1/4" wrench or stubby Phillips).Slowly pull housing from TV, until you can reach the connector to the lamp door switch. Note color code and disconnect wiring connector (may be easier to pull some wire through the hole and lift upward to remove connector).The front panel screw can now be seen in a recessed hole. Loosen this screw. (I did not remove the screw completely, to aid in reinstallation. Otherwise, a magnetic Phillips screwdriver may be needed.)8. From the area of the front panel wiring ties the other hidden front panel screw can be seen in a recessed hole. Loosen this screw.

9. Remove 11 of the 12 screws along the back of the TV securing the front screen, leaving one loosely installed at the top.

10. Remove 4 of the 5 screws on the front of the TV, at the bottom of the screen.

11. While holding the screen at the top and bottom, remove the two remaining screws, and gently lift and pull the front screen panel away from the TV.
Store the front screen assembly where the inside surfaces can be cleaned with the microfiber cloth and/or canned air.

12. Reassemble the TV in the reverse order, remembering to remove the tape from the hole covering color wheel, if installed earlier in step 3.


There are 3 fans to clean:
The large Lamp Fan behind the lamp and light engine assemblies is clearly visible.There are two smaller fans mounted next to each other. One fan is mounted between the cable card slot and the light engine and the other fan is mounted just to the right directly on the light engine assembly. It's somewhat inaccessible without removing the light engine, but using an extender tube on your canned air, it is easily cleaned.
The lens of the light engine will have the most dust. Clean with canned air and the microfiber cloth. Use a corner of the cloth to reach beneath the plastic tabs covering the lens.

The mirror may have a few dust particles. Gently wipe with the microfiber cloth and use canned air. Hope this helps,
TechGuy21
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Jul 04, 2011 | Toshiba 62HM95 62" HDTV

1 Answer

I want to remove the screen from my Hitachi Hitachi 53SBX59B 53-Inch UltraVision Projection TV to clean the lamps and mirror. I took the speaker cover off and then removed about 9 screws. I tryed to pick...


I believe on your model the front lower speaker grille pops off, then you will see 4 phillips head screws holding the frame on at the bottom. After the screws are out have someone hold the other side while you using your hand tap upwards from the bottom of the frame evenly on both sides. The frame slides onto slotted brackets on both sides. The frame will lift off, if your control button harness is still attached just set the frame so it is out of your way and not stretching the leads. Clean the mirror with windex and a soft cloth, same with the 3 crt's. If that model has a foil type mirror then be very gentle with it. Don't worry if the mirror has a few streaks left over they wont interfere with the quality of the picture..After reading your post again, sometimes they are buggers to pop upwards.

Nov 27, 2010 | Hitachi 53SBX59B 53" Rear Projection...

3 Answers

Removing the front panel -bulb replacement


There is no other screws other then at corners at back of TV that you have already removed/ loosen.
Please pull lower front from its top corners as its lower part has hooks with bottom of TV front.
Below image will help you to remove front panel for lamp replacement in this TV..
Thanks.

fb14e0b.jpg

Sep 11, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

Opening a mitsubishi wt-46805 HDTV


Pretty sure you just pull the front lower cover from the side edges.
And then there is a smaller cover with a few philips screws holding it (lower front) , to remove the upper section you then remove the screws just under the screen edge about 5-6 screws. unplug the two cables and slide the screen straight up and pull it out, hold it with one hand on the bottom and one on top so you don't drop the screen.
hope this helps you can get the actual service manual here for a few bucks
thanks
Eric

Sep 02, 2009 | Mitsubishi WT-46805 46" Rear Projection...

1 Answer

Screen Removal - Mitsubishi WD-62527


SPEAKER GRILLE Removal
Pull the SPEAKER-GRILLE away from the cabinet to remove.
SCREEN-ASSY Removal
1) Remove 10 screws (a) from the upper cabinet rear cover (3 screws on each side and 4 screws across the
top).
2) Remove screws (b) along the bottom of the SCREEN-ASSY (8 screws on 52 inch models, and 12 screws
on 62 inch models),
3) Unplug the LL connector to the front CONTROL-PANEL.
4) Lift the SCREEN-ASSY up slightly and then pull away from the cabinet.
CABINET FRONT DISASSEMBLY

Aug 01, 2009 | Mitsubishi WD-65735 Television

1 Answer

Replacing the light lamp for the 60V500


Hi, pull off the plastic cover just below the bottom of the screen, remove the phillips screw from the lamp door cover then the screws from the lamp housing and pull straight out, do not touch the glass portion of the lamp with your fingers, the oil from your skin will shorten the life of the lamp,
when installing new lamp push into tunnel just far enough that it touches end of tunnel then snug with screws. DO NOT push in hard on lamp, re-install lamp door and front plastic cover and enjoy,
good luck, video tek

Feb 07, 2009 | Hitachi 60V500 60" Rear Projection...

1 Answer

Screen removal


Screen Removal
There are two types of screens used on this chassis.
Model 1 - with one piece frame around screen.
1. Remove the front grill cloth assembly and remove four
(4) screws along the bottom of the screen frame.
2. Pull out slightly on the bottom of the screen frame and lift
up and out on the top of the screen frame (and screen) to
remove.
Model 2 - with wood piece securing top of screen.
1. Remove the screw access cover plug from each side (near
top) of the TV and remove one screw from each side.
2. Pull up on the wooden strip and remove.
3. The screen can now be lifted out of the tracks and
removed.

Jan 21, 2008 | Televison & Video

3 Answers

Green lines appear on the screen when dark picture is shown. Others have the same problem but can not figure out how to remove the front cover. Please help us


The front panel normally has some screws that need to be removed from the inside of the set. You need to remove the back cover first and you should see the screws. Then the panel pops off. Good Luck
Ed
NC Electronics
Mills, Wyoming

Jan 06, 2008 | Sony KP-46WT500 46" Rear Projection...

4 Answers

SONY KP-57WV600 - Small green lines across the screen


According to several sites, the problem is with the convergence via the voltage on the color ray gun tubes that get out of adjustment. They are also known as retrace lines

Sony wanted between $150-$300 to diagnose and fix -- instead I was able to complete this repair in less than 15 minutes!
Since I had been through the routine once more and I was sure others are running into this issue,
1. All you need to complete this guide is one flat-head screwdriver and one Phillips screwdriver as well as a delicate touch.
2. Front shot of the television. Their are two screw holes on the front of the unit near the edge of each side right next to the speaker grille.
2_sony_projection_tv_front_screw_locations.jpg

3. Close up shot of the screw hold. It is covered by a plastic cover that has two tabs holding it in. Carefully pry them out with your flat head screwdriver. Do not apply too much pressure or you can break the tabs off. Once the covers are removed, unscrew the two screws with a Philips screwdriver.
3_sony_projection_tv_repair_screws_1.jpg

4. To remove the cover, pull from the bottom of the front case and rotate towards you. Once you rotate it out, the top will disconnect and come loose. Do not pull it off, as there are cords attached. (see picture) Loosen the cables attached with the twist ties and set the front cover to the left side.
4_sony_projection_tv_cover_off.jpg

5. With the speaker grille and cover removed, you now need to remove the wood panel to expose the inner electronics on your Sony HD TV. To do this, remove the four Philips head screws from the panel. Then, pulling from the right, rotate the panel off and the electronics will be exposed.
5_projection_tv_cover_guns_tubes.jpg

6. This is a picture of the inner electronics of your Sony Rear-Projection High Definition television. The little black box towards the front of the unit is where we will concentrate our time as it is the control for the voltage & convergence adjustment.
6_voltage_projection_red_blue_green.jpg

7. When focused in on the controls, you want to concentrate on the bottom row for the voltage / ray gun projection adjustment. The colors are labeled below and from left to right are blue, green, and red. Choose the one that needs to be adjusted and turn ever so slightly with your Philips screwdriver to remove the lines. In my case, the red just needed to be turned 1/8 of a rotation to be back in adjustment. Do not turn to quickly or abruptly or you could possibly damage your TV by varying the voltage too quickly.
7_red_blue_green_voltage_band_adjustment.jpgI hope this guide worked for you?

Dec 17, 2006 | Sony KP-57WV600 57" Rear Projection...

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