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Author Topic: Manual for Ultra JB series? Scott Manley Film Handler Posts: 59 From: Austin, TX USA Registered: May 2001 posted 09-10-2003 08:20 AM                     Does anyone have a manual for a Ultra Stereo JB serie processor. This is a center surround unit. I could not get my Ultra Stereo pink noise generator to fit in the card cage, so I am trying to find a manual. Thanks!!!  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 09-10-2003 09:57 AM                     There is a small card extender that is required with a opamp on it  |  IP: Logged Scott Manley Film Handler Posts: 59 From: Austin, TX USA Registered: May 2001 posted 09-10-2003 07:23 PM                     Great!!........i'll inquire about it Thanks Gordon  |  IP: Logged System Notices Forum Watchdog / Soup Nazi Posts: 215 Registered: Apr 2004 posted 05-04-2009 10:56 AM                 It has been 2062 days since the last post.  |  IP: Logged Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 05-04-2009 10:56 AM                     While we are on the subject. What is the correct matrix card to use for the JB series. I have a unit without the card and have to run in bypass. Will the JS series matrix card work?  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 05-04-2009 12:02 PM                     The centre surround USL didn't require the matrix card as the L-R and L+R were generated at the NR cards  |  IP: Logged Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 05-04-2009 01:32 PM                     Then am I missing a card? I have no sound expect for bypass. I have 2 empty slots in the cage. Next to the format card and next to the power supply.  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 05-04-2009 04:13 PM                     If memory serves there should be the preamp card next to it 2 NR cards one A type one SR then the format card stage eq card surround/delay card monitor/excitor  |  IP: Logged Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 05-04-2009 04:53 PM                     The first empty slot must be for the SR card. The second empty slot which is next to the surround eq card must be for the syn card I'm guessing. If that's the case then I have no idea why I only have sound in bypass. I have no sound in mono, stereo, or non sync.  |  IP: Logged Clint Koch Phenomenal Film Handler Posts: 1435 From: San Luis Obispo, CA, USA Registered: Feb 2002 posted 05-04-2009 07:14 PM                     Starting from the left... Pre-amp "A" type noise reduction SYnthesizer module/Pink noise slot Format module Center EQ Surround EQ Monitor module Exciter lamp power supply Speaker/Transformer box The JB-2 was a front back processor with a booth monitor and exciter supply all in one three rack mount chassis. It has not been built in well over a dozen years. We do however still service the modules. As for your particular problem with it it may be a couple of things. One would be the Format module has gone bad. E-mail or call USL 805-549-0161 and we can help trouble shoot this. Clint  |  IP: Logged Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 05-04-2009 08:23 PM                     Thanks Clint. I will do that.  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 05-04-2009 08:29 PM                     We used to service three of these contraptions...see if the +/- rail LEDs light up (I think this one has those too...like the normal JS series). I've changed out the bridge rectifier circuits more than once on them (individual diodes, if memory serves) Steve  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 05-04-2009 08:37 PM                     Oh yea, and that backup switch on the power supply... if there still is one. They all fail eventually. Yank it out and bypass it.  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 05-04-2009 09:12 PM                     quote: Mark Gulbrandsen Yank it out and bypass it. I must have done a dozen of those bypasses. If you just touch the button and things goes really haywire on the processor, that switch is really getting bad. If you're good with a soldering iron, or have a soldering station, it's not bad to do. Yep, very pleased and satisfied with USL and what Clint can do for USL customers....no problems on this end.  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 05-05-2009 12:21 AM                     I had several of those but they did't have a synth slot but held both a a type and a sr card  |  IP: Logged

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