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Troubleshooting Sony STR-DE975
Troubleshooting Sony STR-DE975
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Old 29th May 2007, 05:17 AM   #1
dj_vulture is offline dj_vulture  Canada
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Default Troubleshooting Sony STR-DE975

Hello,
I have a Sony STR-DE975 that a friend gave me and it's broken. If I turn it ON ''protector'' is written on screen. I open the case and saw that a resistor was cracked open and pcb was burnt. I was reading the service manual and I remark that it was a 1KOhm 5% resistor so I change it for a new one and repair the burnt pcb trace with wire. I put the receiver ON and smoke was coming out of the resistor so I shut it down. Now I'm not sure of what is not working correctly. I have a multimeter but I don't know what to test so it would be pleased if someone could help.

Here are some pictures:

Inside the receiver
Click the image to open in full size.


First Repair
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Burnt resistor and pcb
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Other pic
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I have the service manual that I could send if someone want's to help
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