- TV turns on |
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- Have sound |
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- dark screen (backlight on, changes brightness depending on content) |
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- can turn TV on/off, change channel, etc. with remote |
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Diagnosis: |
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- T-Con board failure (most likely), everything except picture was working |
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- Main board failure (less likely), main board couldn't process visual information |
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Fix: |
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1. bought replacement T-con board (I bought from ebay) - Board P/N BN96-28944A (BN97-07663B) |
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2. open TV by removing back cover (place TV face down, remove all screws, lift plastic back off) |
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3. remove metal plate that covers the T-con board, at the bottom of the TV. use caution not to damage ribbon cables attached to the T-con board |
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4. disconnect top ribbon cable by squeezing the sides of the adapter and pull it out carefully |
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5. disconnect bottom two ribbon cables. flip up plastic cover on the adapter/socket that locks the pins. lift out ribbon cables. |
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6. remove and replace new T-con board |
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7. reconnect all ribbon cables |
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8. install the metal plate, tv back cover |