Topic: modSBM-1 users

[neutrino]

I picked up a modSBM-1 a couple of months ago to use with my M1. I just got around to testing the SBM with a POC-DA12SP to try it optically to my JB3 and found the port to not work with this cable for optical transfers. I tried testing the setup with fresh batteries and with the SBM power supply to no avail. I did also confirm the POC cable to be working properly as it transmits just fine between my M1 and my JB3. The "optical in" plug of the POC cable does light up as if is ready to transfer but I get no signal to the JB3. The light on the optical plug does seem dim, but there is no obvious intermittent connection which could be causing the failure.

If anyone uses an Oade modSBM-1 with a POC-DA12SP and can confirm that this setup works, please let me know.
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[goose]

I have used that cable with the modSBM several times, though not currently, and never had a problem.  I purchased the cable new so there were no potential issues with it, as you may have with a used cable I guess.  Good luck.

[neutrino]

The cable was bought brand new by myself and only used a couple of times between my M1 and jb3. As mentioned above, I did test the POC cable with my M1 and it is a known good cable.
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[fozzy]

i know the m1 is 3.3v and the sbm1 is 5v for the +voltage so you that cable may have a 3.3v optical tx/rx in it.  but the thresholds of all the optical tx/rx i use range from 3-6 volts but there are different models designed to run @ 3 or 5v.

[Chris K]

If anyone uses an Oade modSBM-1 with a POC-DA12SP and can confirm that this setup works, please let me know.
dB-

thats all i have been using for over a year now with no issues

mp-2 > modSBM-1 > POC-DA12SP > JB3

[neutrino]

Unfortunately I'm thinking the 7-pin port has had it. Looks like I'll be calling Sony parts first thing on Monday and diving in for some component level repair...
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[dgodwin]

You should look into Todd R's optical mod for the SBM-1.  You can probably sell the sony optical cable for almost as much as the mod, and end up with a functional SBM-1 to boot. 

[tchoub]

I picked up a modSBM-1 a couple of months ago to use with my M1. I just got around to testing the SBM with a POC-DA12SP to try it optically to my JB3 and found the port to not work with this cable for optical transfers. I tried testing the setup with fresh batteries and with the SBM power supply to no avail. I did also confirm the POC cable to be working properly as it transmits just fine between my M1 and my JB3. The "optical in" plug of the POC cable does light up as if is ready to transfer but I get no signal to the JB3. The light on the optical plug does seem dim, but there is no obvious intermittent connection which could be causing the failure.

If anyone uses an Oade modSBM-1 with a POC-DA12SP and can confirm that this setup works, please let me know.
dB-

maybe I did not understand correctly what you are trying to do but ... shouldn't you be using the "optical out" of your POC-DA12SP to send a signal from the SBM-1 to the JB3 ?

[dnsacks]

Unfortunately I'm thinking the 7-pin port has had it. Looks like I'll be calling Sony parts first thing on Monday and diving in for some component level repair...
dB-

That's what it sounds like it could be to me.  Do you have a 7pin>coax cable you could use to try and feed a digital signal from the sbm-1>a digital coax input, as that would help further rule out the 7pin>optical cable as the culprit.

[neutrino]

Yes, I did try two other 7-pin to coax cables (one Oade, one CoreSound) and neither would work. I'm hoping the problem is within the pins in the port wearing out and not something within the circuitry which may be failing. We will see. Anyone have a spare Sony digital 7-pin i/o port they want to sell?
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[gruven42]

Get a Fozzy cable.

http://taperssection.com/index.php?topic=37528.msg479797