http://tech.groups.yahoo.com/group/sony-mxp-3k/ Sony MXP 3k Consoles Sun, 15 Nov 2009 23:17:02 GMT Tom Graefe http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1263 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1263 Check the harness on the underside of the mother board. Drop the belly pan and make sure all are latched. Also check the harness for channel 12 at the patch Sun, 15 Nov 2009 16:36:54 GMT Dennis http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1262 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1262 I shut down-remodeled and moved the console 2 feet to do floors. When I powered up channel 12 does not light up or pass audio. I swapped with 13 and 12 works Fri, 06 Nov 2009 04:13:40 GMT consoledewd http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1261 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1261 To all, The State Variable EQ's will oscillate at high gains. Some caps should be 33pf NOT 10 pf. I paralleled a 22 pf cap across the following: Wed, 04 Nov 2009 02:35:25 GMT Scott Phillips http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1260 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1260 Easy way.? LOL That is the easy way. I hate those things so much I bought the LED replacement modules for my own console, but got unlucky and got a bad lot Tue, 03 Nov 2009 21:20:27 GMT gnrom http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1259 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1259 Hey, What is the best way to replace the VU meter lamps? Is there a method without removing the 4 meter housing? Thanks, GREG Thu, 22 Oct 2009 23:40:54 GMT Tom Graefe http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1258 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1258 Michael, Ahhh the +24V rail.................. Adjust the voltages at the console for exactly +/-18V and +24V. If you have VCA's they will have to be adjusted Thu, 22 Oct 2009 22:23:22 GMT Douglas Ferguson http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1257 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1257 DH is a rad dude. Always pleasure to see how. Is he doing well? D/ On Oct 22, 2009, at 5:01 PM, grandchampeen wrote: Update: The noise is gone. Local guru Thu, 22 Oct 2009 22:04:20 GMT grandchampeen http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1256 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1256 Update: The noise is gone. Local guru David Hough came over and we checked a bunch of stuff out. we were still getting noise with no tuchels in and no Thu, 22 Oct 2009 16:51:44 GMT grandchampeen http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1255 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1255 Thanks for weighing in, everyone! I spoke with a local tech yesterday, and on his advice started pulling modules; the noise comes out of the PFL speaker even Thu, 22 Oct 2009 03:10:28 GMT Jeff Chestek http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1254 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1254 You need to make sure your power supply is clean first and foremost, particularly since you've been mucking around in there very recently. Look at all the Wed, 21 Oct 2009 20:53:07 GMT Douglas Ferguson http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1253 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1253 Did you say you replaced parts in your power supply? Did you have to use NTE parts? Are you sure you got accurate replacements? D/ On Oct 21, 2009, at 3:11 PM, Wed, 21 Oct 2009 20:17:20 GMT Tom Graefe http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1252 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1252 Michael, Assuming the power supply is clean, what changed on the console? Start disconnecting input Tuchels. Later Tom graefe@... ... From: Tom Graefe Wed, 21 Oct 2009 20:11:34 GMT Tom Graefe http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1251 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1251 Michael, There can be NO noise coming out of the console if the +/- rails are off. If it is coming out of the PFL speaker it is not coming from the console Wed, 21 Oct 2009 18:22:27 GMT Douglas Ferguson http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1250 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1250 Damn. You are knee deep in it. Not sure how much help I can be, but if need an extra set of eyeballs or whatever, let me know. I'm living in Boulden now, so Wed, 21 Oct 2009 18:18:37 GMT grandchampeen http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1249 http://tech.groups.yahoo.com/group/sony-mxp-3k/message/1249 Hi everybody, sorry to be such a whiner, but I have a new problem, perhaps caused by my meddling with the 18v rails. After Tom and Scott so graciously helped