Instantly when I powered on the system from being cold the Dolby Digital signal light that previously just blinked for like 5 minutes before becoming somewhat stable was dead steady on! I can confirm it's bad capacitors in the DTT3500 causing the issue you describe, a friends system had the exact same symptoms, it first threw me off tho because gently hitting the PCB in question with a plastic object caused the sound to go out so i thought it was a bad solder joint.īut then finally I gave that up I removed the faraday cage covering the Dolby Digital sound processor and replaced the 3 capacitors feeding it with power with ones from an old Audigy2 that was off for the dump anyway Had to register to post this, sorry for reviving a really old thread but it gets high on the google rankings. I like it but I'm not gonna fry for it!!! I have a multimeter, but I do NOT feel comfortable poking around testing things while this unit it on. If my observations are true, should I attempt anything else with this thing? How the heck would I know which capacitor or whatever to replace. and eventually it starts working as expected. thus the crappy to non-performance when I first turn on the unit. Not being a person who knows anything about electronics, it would seem that there is likely a capacitor or some other component that must take too long before it builds an adequate charge. I tested the unit again and got the same results. ![]() I tried to clean this with alcohol really good. ![]() #4 I did notice a single trace where there appeared to be exposed copper. I was cleaning the bottom of the main board, and the capacitors and resistors were on the other side of the board and appeared to be unaffected by the spill. #3 I used a paper towel and alcohol to clean up any drink residue I could find. but a lot of drink spills go unreported around here. It makes me suspicious of the wife and kids. This equipment STAYS in my office and I never spilled anything on it. #2 It looks like it must have been involved in a drink spill in the past. #1 It was a bit dusty, but no more than I would expect from this kind of device after 5-7 years of use. Not knowing what I am doing, I actually cracked open the box to see what I could see. would it be someting a n00b might have a prayer of fixing? Is there a general diagnosis that might be the cause of this. After 3-5 minutes it seems to fix itself. the unit now seems to need to "warm up." When I cut it on, the sound is at first inaudible and later becomes terribly broken. and it outputs to a 5.1 speaker setup with a minimal amount of clutter.Īnyway. It accepts Optical in, Co-Ax in, Soundblaster digital DIN, standard front/back PC inputs. If I could find something similar to this now, I would buy it. This is cool because the little box is MUCH smaller (and less powerful) than a stereo receiver. ![]() One of the nice features is that the amplifier accepts so many inputs and you can change between them with the press of a button or two. I know it's not for audiophiles, but I still feel like it's one of the best $300 purchases I have ever made. I've received a lot of good advice in these forums.Īround the year 2000 I bought a Cambridge Soundworks speaker system DTT3500. I am *not* an electronics wiz by any means, but I was hoping I could get some general advice on my PC speaker amplifier. I get confused because my ancient cambridge soundworks 'desktop theater 5.1' system has a built in decoder & will do 'real' dolby 5.1 via a coax/rca connector - but also has 'front/back' 3.5mm speaker input jacks, and the facility to do the 'pro-logic' stuff, as MattD said. Best to by a simple 2.1 speaker system for the setup you have. Sorry but you have bought the wrong setup, though saying that no system will give you true 5.1 from a simple stereo TV output. ![]() By the look of it it's purely a speaker system designed to take the 5.1 outputs from a PC soundcard and amplify them to the 5.1 speakers, it does NOT have a 5.1 decoder in it and will not take a Stereo output, optical outpu or co-axial output.
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