Update: there was a small error in the schematic. I took the resistors like they were in the rh2, but creative traced the resitors and switches a bit different: i.e. they took resistor 4 for Forward and resistor 5 for Rewind. the rh2 had this exactly swapped. so I just swapped the values of the resistors in the schematic so that they work properly.
Resistors of: Switch Forward and Switch Rewind are swapped and Switch Vol+ / Switch Vol- also are swapped... just look into the UPDATED schematics posted above. I've deleted the false one.
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You can't do that.
I tried modifying the Zen micro remote as in your schematic (only using resistor values for the CE-RH1, since I have a C760), and was disappointed when FW, RW, and Vol - didn't work.
I took a closer look at the schematic, and saw why: all the resistor values on the switches depend on the previous values of all the resistors in line (that's why the values roughly double each time). If you change the orders of the resistors, the total resistance value will be wrong, and the Zaurus won't know how to respond. If you're lucky, it may work the way it was originally intended, but you'll most likely get an error and the remote will stop working.
Here's an example of why. For the FW key, the switch completes the circuit at R4, which means it includes the values of R2 and R3. If you use the values in the intended sequence, you get a resistance of (330 + 470+ 690) = 1490. For RW, the switch completes the circuit at R5, which means it includes R2, R3 and R4, so if you press RW with the correct values you get (330 + 470 + 690 + 910) = 2400
If you swap R4 and R5, then for the the FW keypress you get a value of (330 + 470+ 910) = 1710, and for RW you still get (330 + 470 + 910 + 690) = 2400
The 1710 value will likely be out of the expected range, and cause an error. The RW should still work normally, even with the resistors reversed.
You can't swap key actions by swapping the resistor values.If I've confused anyone, let me know and I'll explain again with pictures.
Bottom line: I put the resistors back the the proper order, and my Zen Micro remote conversion to CE-RH1 values now works as expected, although some of the switches are labelled wrong. I'll either live with it, relabel the switches (I think they can be swapped), or use Keyhelper or other routine to change the functions of the switches in software.
MONVMENTVM -- thanks for the info on using the Zen Micro remote -- it's really a lot better than I would have built from scratch. I personally think it looks nicer than the Sharp remotes.
David
