What IC is the memory?
Sent from my iPad
28 feb 2012 kl. 15:15 skrev "Bruno BzH" <
kroutshev@hotmail.com>:
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> Hi,
> you have probably your memory ic which is out of order, follow the traces and try to test it.
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> Regards
> Bruno
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> To: PolySix@yahoogroups.com
> From: darijo@technogenic.se
> Date: Tue, 28 Feb 2012 13:13:04 +0000
> Subject: [PolySix] Battery leak problem.
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> Hi,
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> I have tried to fix my Polysix that had a battery leak.
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> Before i started to repar the problem was that no button was working (for memory and tape) and allmost all the LEDs was turned on.
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> After I removed the battery and IC30 and IC31 I cleaned the board and started to repair the traces with new wires. And then I started to messaure the traces and everything seems to be looking fing.
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> I then installed the card in the Polysix again and turned it on. All buttons works fine and the only LEDs that are turned on are 7 and 8 if the Tape switch is in Tape Disable. If I change Tape Disable to Enable only LED 8 is always on.
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> I can save sounds, but only 4.
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> memory 1 and 5 save same sound
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> memory 2 and 6 save same sound
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> memory 3 and 7 save same sound
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> memory 4 and 8 save same sound
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> Does anyone know and can help me with what trace should I look at to get rid of this problem?
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> I have followed oldcorwn.nets guide alot in this case.
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> Here's two photos of the LEDs
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> Tape Enable:
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> http://www.flickr.com/photos/technogenic/6791701954/
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> Tape Disable:
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> http://www.flickr.com/photos/technogenic/6937820405
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> Reagards.
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> D
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> Sent from my iPad
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