SHARP LC40LE700UN, LC46LE700UN, LC52LE700UN, LC40LE700UN(A), LC46LE700UN(A) Repair tips
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LCD Television 
Technical Bulletin
Sharp Electronics Corporation
Services and Solutions Group
1300 Naperville Drive
Romeoville, IL 60446
Number: LCDTV-280 Date: 4/21/2010
Model(s): LC40LE700UN / LC46LE700UN / LC52LE700UN / LC40LE700UN(A) / LC46LE700UN(A) / LC52LE700UN(A) / LCC46700UN / LCC52700UN / LCC6077UN / LCC6577UM
Subject: Model Name and Panel Size adjustment procedure
WARNING!!!! – Model Name and Size Information must be adjusted after replacing any of the Main Unit PWBs listed below
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Model Number |
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Main Unit Part Number |
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Model Series Name |
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LC40LE700UN |
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DKEYMF282FM01 |
LE700 |
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LC46LE700UN |
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DKEYMF282FM01 |
LE700 |
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LC52LE700UN |
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DKEYMF282FM01 |
LE700 |
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LC40LE700UN(A) |
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DKEYMF282FM10 |
LE700 |
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LC46LE700UN(A) |
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DKEYMF282FM10 |
LE700 |
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LC52LE700UN(A) |
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DKEYMF282FM10 |
LE700 |
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LCC46700UN |
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DUNTKF282FM08 |
C700 |
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LCC52700UN |
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DUNTKF282FM08 |
C700 |
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LCC6077UN |
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DUNTKF282FM11 |
C77 |
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LCC6577UM |
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DUNTKF282FM11 |
C77 |
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These Main Unit PWB parts do not use physical jumper settings to denote the Model size like older PWBs did. When replacing the Main Unit PWB, the Model Series and Panel Size Information must be adjusted to correctly match the type and size of LCD TV it is installed into, or the unit will malfunction.
Please use these instructions to correctly adjust the Model settings after Main Unit replacement:
1.After replacing the Main Unit, power on the unit in Service Mode.
a.While holding “Input” and “Vol “ keys on the side of the unit, plug in the A/C cord.
b.When the unit powers on, a white letter “K” should be on the left of the screen in a blue box. When you see this, let go of “Input” and “Vol “.
c.Quickly press and release “Ch “ and “Vol “. This should activate the Service Menu.
d.If the “Ch “ and “Vol “ are not pressed quickly, the unit may shut down due to a Lamp Error. If this happens, unplug the A/C cord and restart Step # 1.
2.Once in the service menu, you may see the below symptoms:
a.On the left side of the screen, a noticeable black gap of 1 2 inches may appear.
b.Near the right side of the screen, a 1 inch thick vertical line of distortion may appear.
c.If any text is being displayed, it may appear cut off or truncated.
Technical Bulletin # LCDTV 280 |
Page 1 of 3 |
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