29
5. Remote Control malfunction
Remote Control malfunction
Replace the battery
Replace the remote control
Whether the IR board is
abnormal?
Yes
No
Replace the IR board
Replace the main board
No
Yes
No
Yes
Use the other remote controls
Check the remote control battery is
not properly placed or no power?
Summary of Contents for LT42A1
Page 31: ...31 6 PCB Layout 6 1 Main Board 715G3431 1 ...
Page 32: ...32 ...
Page 33: ...33 6 2 Power Board 715G3351 1 ...
Page 34: ...34 ...
Page 35: ...35 ...
Page 36: ...36 715G3358 2 ...
Page 37: ...37 6 3 Key Board 715G3293K01001004S 6 4 IR Board 715G3478R01002004M ...
Page 39: ...39 8 Block Diagram ...
Page 63: ...63 10 Exploded View ...