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TV-KIT-010 Instructions Magnavox HVG Repair - 7621

Last Updated Monday, 29 October 2012 14:51

Magnavox Projection TV Repair Instructions

This guide will help you repair your Magnavox TV if it has

any of the following symptoms.

Power light and audio work but TV does not have video.

This repair kit is known to work on Magnavox TV sets with the following Chassis/Model

Numbers.

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Содержание 43PP9202/17

Страница 1: ... 51 Magnavox Projection TV Repair Instructions This guide will help you repair your Magnavox TV if it has any of the following symptoms Power light and audio work but TV does not have video This repair kit is known to work on Magnavox TV sets with the following Chassis Model Numbers 1 17 ...

Страница 2: ...55PP950217 55PW936317F 55PW9383 17F 55RW9515 35 60PP9202 17 55PW938317F 55RW951535 60PP920217 60PP920201 60PP920217F 60PP9352 17 60PP935217 60PP935201 60PP9363H17 60PP938317F 60PP9502 17 60PP950217 60PP950201 60PW936317F 60PW938317F 43PP9202 17 43PP9202 17F 43PP9202 84 43PP920217 43PP920217F 43PP920284 43PP920201 43PP920284F 46PP9302 17 46PP930217 46PP930201 46PP930217F 46PP930284 46PP930284F 46PP...

Страница 3: ...ns This icon is used to highlight additional notes Disclaimer The procedures described in this document require access to potentially dangerous voltages proximity to the CRT and its implosion risk and other possible dangers lurking inside a television set We will not be responsible for personal injury resulting from attempting these repairs nor damage to the equipment that may result from lack of ...

Страница 4: ...click the print icon at the top of this article Unplug Power and all Cables TV sets can hold a charge for a long time and can shock you even while unplugged if you are not careful It is strongly advised that you unplug your TV set from the wall at least 3 days before attempting the fix This will give the set some time to discharge some of the stored electricity Do not plug your TV back in until th...

Страница 5: ...7621 Last Updated Monday 29 October 2012 14 51 Remove all Cable TV Speaker Audio Video Cables from rear of set Remove Rear Access Panel Using the proper tools remove all the rear cover screws along the top sides and bottom of the rear panel 5 17 ...

Страница 6: ...14 51 Loosen wire ties so that you are able to lift the board up without any of the wires getting pulled Flyback High Voltage Generator Removal The part that you will need to locate and replace is called the High Voltage Generator You can purchase the HVG from the following sources 6 17 ...

Страница 7: ...ustomers that the HVG is now sold out at Partstore and VanceBaldwin The part is on back order with no estimated arrival date Another option is to contact Tri State Modules Or PTS Modulus They will rebuild your LSB board and replace the failed HVG If you decide to send them your board for repair you won t have to remvoe the HVG from the board PTS Corp Modulus http www moduslink com Website http www...

Страница 8: ...dated Monday 29 October 2012 14 51 Email Address info tristatemodule com CAUTION You must be real carefull when working around the High Voltage Generator Locate the flyback as shown in the picture below Pull the rubber caps up on the high voltage wires 8 17 ...

Страница 9: ... to the metal rack as shown in the photo This will ground it out and drain the high voltage from the CRT wires You may or may not see a spark The spark is the stored voltages in the CRT tubes being discharged to ground This will not damage anything Once done you can safely handle the wires Repeat the above steps for the remaining RED wires that are still connected to the High Volage Generator You ...

Страница 10: ...lso Note One screw is hidden on the side of the flyback Remove it also Once all the cables and screws are removed you are now ready to pop the circuit board out To do this push the black plastic clips back shown in the photo below The clips are located on the right hand side of the board If the board will not move freely you have missed as screw Check again 10 17 ...

Страница 11: ...itors Only the large green ones as shown below You can also short them out with a resistor if you like This will discharge the voltages Once the board is removed place it on a table workbench etc Desolder High Voltage Generator Note We highly recommend using a desoldering iron like the one shown below You can purchase one from Radio Shack for under fifteen dollars 1 Plug the desoldering pump in Le...

Страница 12: ...at the steps above Using the desoldering iron shown above slowly remove the solder from the High Voltage Generator pins on the underside of the board as shown in the photo below After you have removed the solder you will need to straighten the metal clamps to remove the HVG You may also have to use your soldering iron to melt any solder that may have been used to weld the clamps to the board 12 17...

Страница 13: ...d the old HVG it is now time to solder the new one into the circuit board Place the new HVG into the circuit board in the exact location as the old one Bend the holding pins so that the HVG stays in place during soldering Soldering Instructions In order to do the repair you will need to own a soldering iron and rosin core solder If you don t 13 17 ...

Страница 14: ...on to its stand when not in use Never put it down on your workbench even for a moment Work in a well ventilated area Preparing the soldering iron Plug the soldering iron in Wait a few minutes for the soldering iron to warm up You can check if it is ready by trying to melt a little solder on the tip Wipe the tip of the iron on a damp sponge This will clean the tip Melt a little solder on the tip of...

Страница 15: ...e board Hold the tip there for a few seconds Feed a little solder onto the joint at the tip of the iron It should flow smoothly onto the lead volcano shape Apply the solder to the joint not the iron Remove the solder then the iron while keeping the joint still Allow the joint a few seconds to cool before you move on to the next one Inspect the joint closely Reassemble the TV Reinstall the board in...

Страница 16: ...After you have checked all the cables power on the TV set and check to see if the video now works Leave the rear cover off the TV so that you can monitor it while it powers on If you see any sparks glowing resistors smoke etc unplug the TV immediately We value your feedback Please let us know if the above kit and instuctions helped resolve your TV problem Also any feedback on how we can improve ou...

Страница 17: ...TV KIT 010 Instructions Magnavox HVG Repair 7621 Last Updated Monday 29 October 2012 14 51 17 17 ...

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