SCH-6100 and SPH-A620/VGA-100 Pinouts

I have just purchased a new 2004 Honda Accord Coupe with a hand free option. Honda has decided to discontinue this option because they could not keep up with the number of cell phones coming out. They have to design and manufacture a different interface cable for each type of connector and the cell phone manufactures keep changing the connector and or it,s wiring.

So I am stuck with only old cell phone options in order to use this system that will interface the cell phone with the audio system and a build in mic. I have purchase many of the interface cables. (they only made seven cables, their part numbers 08E02-ED0-100A, B, C, D, E, F, and H)

I have both the SCH-6100 (not a very good receiver) and the SPH-A620/VGA-1000(much better receiver). I would like to use the A620 since it is a better cell phone and has better voice commands. The cable (100D) works with the 6100 and the connector is almost the same. The plastic is larger but the connector block is the same so I can connect properly to the A620 and make all the connections. But it does not work right. I am looking for the pinouts for each so I can make wiring changes. I am hoping that the only difference is pin changes between the two but will not know until I have the pinouts. I would appreciate any help.
Thanks
Sawadee

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Can anyone direct me to a location for a service manual for these phones?