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STEG 75.6mx in protect
STEG 75.6mx in protect
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Old 11th January 2011, 02:16 AM   #41
nino80 is offline nino80  Germany
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please look at post #16 and #14...
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Old 11th January 2011, 02:55 AM   #42
Perry Babin is offline Perry Babin  United States
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Location: Louisiana
OK. It will have to be tomorrow morning.
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Old 11th January 2011, 02:06 PM   #43
nino80 is offline nino80  Germany
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just measured U15:

IC#U15 (LM3580)

all in V DC

PIN 1: 0,001
PIN 2: 0,535
PIN 3: 0,001
PIN 4: 0,001
PIN 5: 0,004
PIN 6: 0,533
PIN 7: 0,533
PIN 8: 0,019 --> direct connection to U16, PIN 15. Same value.
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Old 11th January 2011, 11:32 PM   #44
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
What are the markings on Q43?

If I understand the circuit as described, Q43 is directly connected to pin 15 of the 3525. If so, which terminal of Q43?

What is the DC voltage on the terminals of Q43?
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Old 20th January 2011, 11:45 AM   #45
nino80 is offline nino80  Germany
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sorry for the late reply...

in the meanwhile i received the service manual and solved my prob...

i will write it in detail when i have some more time...

if you are interested i will forward you the service manual as a small present for your great support...

thanks again perry babin!
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Old 20th January 2011, 06:15 PM   #46
Perry Babin is offline Perry Babin  United States
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Location: Louisiana
Yes. Please send me a copy of the service manual.

babin_perry@yahoo.com
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Old 25th November 2021, 09:59 AM   #47
Mate93 is offline Mate93
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Join Date: Nov 2021
Hi,
I have the same problem with this amplifier. Is there any chance that you still have the service manual? If you have please send me. Thank you.
debreceni.m@freemail.hu
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Old 25th November 2021, 03:59 PM   #48
Perry Babin is offline Perry Babin  United States
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Join Date: Nov 2003
Location: Louisiana
Please don't post in a repair thread that was started by someone else unless you are trying to help them.

Start a new thread if you need help with a repair of your own.

Check your email.

http://www.bcae1.com/temp/newthreaddiy01.png
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