LC-52/60/70LE640U/C6400U,LC-80LE633U/844U (1st Edition)
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2. Removing of Speaker (L/R) and KEY Unit.
1. Disconnect the SP wire.
2. Remove the 2 lock screws   and detach the Speaker (L)  , Speaker (R)  .
3. Disconnect the RC wire.
4. Detach the KEY Unit Ass’y  .
5. Disconnect the KM wire.
6. Remove the 2 lock screws   and detach the Key Button   from Key Button Cover  .
7. Detach the KEY Unit   from Key Button  .
[How to remove KEY Unit Ass’y]
1) When you remove KEY Unit Ass’y, please be sure to remove harness from WH, and to hold the bottom of KEY Unit Ass’y.
7
5
4
8
6 Key Button
KEY Unit
KEY Unit Ass'y
Key Button
Cover
[SP]
[KM]
[SP]
[RC]
MAIN Unit
3
1
Speaker (R) 2
1
Speaker (L)