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Message

Re: Dead Voice

2008-10-30 by hoschi1103

This sounds like the DAC running empty. If, after cleaning, you still
have this faint noise, remove the 6072 (IC 55 if counting from 1 to 8)
and swap it with another channel. If no success, try swapping IC 31
(74HCT273 flip-flop/buffer).

Greetings,
Hoschi
   

--- In emulatorII-list@yahoogroups.com, "George" <trickstar303@...> wrote:
>
> Thanks again everyone for all your help.  
> 
> Today I tried to isolate my dead voice problem by using the 
> individual outputs. 
> 
> When plugged in the individual outs, the sound would play only once  
> every 8 key attacks. Is this normal with the E2?
> 
> I was able to isolate the bad voice to channel 7, which instead of 
> the sound, would play only a barely audible noisy "swoosh".
> 
> I took the machine apart, removed the PSU and located the SSM2045's. 
> I cleaned them with cotton swabs and isopropyl alcohol and switched 
> them out with channel 8, but the problem persisted on channel 7. Then 
> I decided to clean/switch out the S3528 chip as well, but channel 7 
> still doesn't play.
> 
> I haven't cleaned/ reseated all ICs as ElmBeatz recommended, which 
> will probably be the next thing I want to try.
> 
> I was hoping it would be one of those chips. What else can cause a 
> dead voice? Thanks. (Sorry for my goofy English - foreigners..lol)
> 
> George
>

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