Sanyo PLV-45WR1Z Owner's Manual page 62

Appendix
The Remote Control
does not work.
WARNING :
High voltages are used to operate this LCD Projection TV. Do not attempt to open the cabinet.
If problems still persist after following all operating instructions, contact the dealer where you purchased the LCD Projection
TV or the service center. Give the model number and explain about the problem. We will advise you how to obtain service.
62
– Check the batteries. (p12)
– Make sure no obstruction is between the LCD Projection TV and remote control.
– Make sure you are not too far from the LCD Projection TV when using the remote control.
Maximum operating range is 16.4' (5m). (p12)