From sines Sent Fri, Dec 14th 2018, 05:50
I just rotated all of the CEM3396s again and now all 6 voices are = working at regular volume. But the gibberish still shows up 5 out of 6 reboots. :/ and it=E2=80=99s = annoying AF Todd > On Dec 13, 2018, at 11:56 PM, Tristan <xx@xxxxxxxxx.xxx.xx> wrote: >=20 > Have you measured the power supply rails? Are they operating within = spec? >=20 > /Tristan >=20 > On Fri, Dec 14th, 2018 at 3:40 PM, sines <xxxxx_xxxx@xxxxx.xx> wrote: >=20 >> I had a local buyer to take this off my hands, but before I packed it = up, I >> checked it out again.=20 >>=20 >> My biggest fear manifested: >> =C3=A2=C2=80=C2=A2 5 out of 6 times after rebooting, I get a = scrambled gibberish screen >> =C3=A2=C2=80=C2=A2 super faint audio output of headphones, virtually = nothing out of main L+R >> output >> =C3=A2=C2=80=C2=A2 volume slider is silent at top and bottom of = fader, only gives sound at >> middle >> =C3=A2=C2=80=C2=A2 stuck / legato notes upon startup, and with each = key press >>=20 >> Thankfully it makes a very quiet sound, but.. it=C3=A2=C2=80=C2=99s = really quiet. >>=20 >> I did the following: >> =C3=A2=C2=80=C2=A2 Recapped the 2 10=C3=82=C2=B5F caps on the volume = slider sub-PCB. >> =C3=A2=C2=80=C2=A2 Reseated the CEM3396s and reordered them just to = make sure. No bent pins >> =C3=A2=C2=80=C2=A2 Reseated legal version of Bob Grieb / Tauntek's OB = Matrix OS 2.14 EPROM >>=20 >> I am not sure where to go with it next. Help! >>=20 >>=20 >> Todd >>=20 >=20 >=20 >=20