[1] Channel Up and Down button, pushing manually can not change channel number.

[2] By IR R/C try to select Channel Up and Down, also can not change channel number. But IR R/C is good working condition.

Please tell us what kind components need to replace ?

Thanks and Rgd,
Jimmy

I'm sorry that I cannot help you with your question. But I need your help. I've lost the remote of my TC 14 L2M, can you please let me know if it looks like

Image 1 - http://image.made-in-china.com/2f0j00NvdtqVeCkbkU/TV-Remote-Control-for-Panasonic-EUR7717010-.jpg

Image 2 - http://www.mainpower.com.cn/news/news_images/2611_1.jpg

Thank in advance
/Tony