DL manuals Kalley LCD TV K-LED32HDZT2 Service Manual Kalley K-LED32HDZT2 Service Manual - page 25 123456789101112131415161718192021222324252627282930313233343536373839404142 Page of 42 Go Download Print this page Bookmark us - 28 - 5.2 Troubleshooting for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Check solder connections and see if any switches are stuck. Replace Key BD OK YES YES NO YES NO NO « ‹ Prev22232425262728Next › »