Occasionally, these passive components have been found with cold solder joints and/or insufficient solder. There are ferrite beads and 0Ω resistors on the LCD control lines just before the main 40-pin connector leading to the front panel. See the following table (copied from the O3 service manual) for the cross-reference: backlight only) if the revisions do not match. This is due to differences in the LCD driver chip (among other things) which will result in a white screen (i.e. If you have an O3 head that boots up to a white screen, but everything else about the head works fine (buttons, PTT, audio, etc) - there's a few possible causes, listed here in order of increasing complexity.ĭifferent revisions of O3 mainboard require different revisions of front panel.

This configuration requires special wiring of the remote head cabling, and specific codeplug and flashcode options. Two XTL5000 radios can be configured to run on a single W3 control head. However you will not have transmit audio (a big deal if you're planning on using the radio to talk to people)Ī simple jumper swap is all that is needed to restore TX audio If you connect a W3 control head to a standard Odyssey-series TIB (p/n HLN6913, HLN6895, PMUN1036D, possibly others too), most functions will work without any issues. Using a standard Odyssey TIB with a W3 Control Head 1.2 Using a standard Odyssey TIB with a W3 Control Head.

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