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Problem Z1!Help!
Problem Z1!Help!
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Old 25th October 2012, 09:00 PM   #1
brunogtspl is offline brunogtspl
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Default Problem Z1!Help!

Hello,

My DD Z1 amp has a problem during a test spl I replace transistors FQA38n .. and I control the board driver. I change ir2184s 2 drivers, there are 4 zener diode are connected I can not find the corespondance searching on search engines? diodes are marked B2Z or B2L
Can you help me I miss more than its components to re run my Z1. many thanks
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Old 26th October 2012, 07:57 AM   #2
brunogtspl is offline brunogtspl
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I put pictures of the board to see the driver installation!
Click the image to open in full size.

Click the image to open in full size.

Last edited by brunogtspl; 26th October 2012 at 08:15 AM.
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Old 26th October 2012, 09:07 AM   #3
luka is offline luka  Slovenia
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Problem Z1!Help!
where are those diodes on board on which one?
any pictures?

I don't think b2z or L is correct, are you sure about that mark?

maybe this will help you, from some other user that made this

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.
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Last edited by luka; 26th October 2012 at 09:16 AM.
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Old 29th October 2012, 10:06 AM   #4
brunogtspl is offline brunogtspl
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I have new pictures on B2L diodes or Z are short circuit!
Find this model of diode? Thank you for schemas Luka! there are power PWM

Click the image to open in full size.
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Old 29th October 2012, 10:19 AM   #5
brunogtspl is offline brunogtspl
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Click the image to open in full size.
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Old 30th October 2012, 03:55 AM   #6
S Merlington is offline S Merlington  United States
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Im trying to find the same diodes since the Z1 i have here they are shorted as well..


If i find a part number i will post it.. If you find one before me id greatly appericate it if you would post the part number..
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Old 3rd January 2013, 08:06 PM   #7
francesco306 is offline francesco306
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hello my name is francesco306 and delight in the repair of amplifiers and I came across the dd z1 someone could provide me with electronic schematics amplifier
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Old 3rd January 2013, 09:33 PM   #8
S Merlington is offline S Merlington  United States
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Start a new thread and describe the problems with the amp...
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Old 11th March 2013, 07:29 PM   #9
brunogtspl is offline brunogtspl
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My subwoofer is placed in short circuit and made ​​a short circuit in the FQA 38N30 transistors and the card driver. I check the driver board components there are four IR 2184S
B2L and zener diodes are also short circuit! where can you find them? Thanks
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Old 18th April 2013, 11:33 AM   #10
brandes.cm is offline brandes.cm  United States
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