[sdiy] TR-727 problem - quick fix?

[Scott Gravenhorst]

mark verbos <mverbos at earthlink.net> wrote:
>OK, I've narrowed it down to IC32 (a TTL Hex D Memory), it's not  
>putting out anything, until I touch pin 9 with my finger, then it  
>works perfectly, until I power down. Then it's back to not working,  
>until I touch it again. What's that all about?
>
>Mark
>

I would probably reflow the solder on that pin...

>
>
>On Apr 17, 2010, at 4:56 PM, mark verbos wrote:
>
>> Hi,
>>
>> I have a TR-727 that has decided to only play the left sound of all  
>> the pairs of sounds on it. i.e. only the low agogo, only the cabasa  
>> not the maracas, etc. Is this a common thing that someone has dealt  
>> with. I am a little confused by where that switch is happening on  
>> the schematic. My experience with this generation of Roland stuff is  
>> that it's mostly cracked solder. I'm gonna try touching up the  
>> solder on the connectors right now....
>>
>> Thanks in advance,
>>
>>
>>
>> Mark
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>
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-- ScottG
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-- Scott Gravenhorst
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