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Old 27th November 2010, 09:41 AM   #921
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Originally Posted by apexaudio View Post
TL072 Pcb and Component Layout.
Ty mile now ill try to connect Step drive to my B 500
pls check if anything wrong with my work.
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Old 27th November 2010, 10:20 AM   #922
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TL072 classH Step Driver: Pcb and Component Layout.
so the -ref is i.c.pin1,2,3,
and +ref is ic,6,7,8,
the schematic must be?
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Old 27th November 2010, 10:30 AM   #923
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Default TL072 ClassH Step Driver

TL072 classH Step Driver Schematic + PCB
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Old 27th November 2010, 10:33 AM   #924
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apex,
if the above is now correct,why pin 5,3 to bf422/423 base
it must be pin 1,7 to bf's base
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Old 27th November 2010, 10:36 AM   #925
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Originally Posted by engel dela pena View Post
apex,
if the above is now correct,why pin 5,3 to bf422/423 base
it must be pin 1,7 to bf's base
I made drawing mistake, go to post #923.
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Old 27th November 2010, 10:37 AM   #926
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Originally Posted by apexaudio View Post
I made drawing mistake, go to post #923.
Regards
thank you apex,
now its clear for me
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Old 27th November 2010, 10:42 AM   #927
Mamak is offline Mamak  Malaysia
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Quote:
Originally Posted by apexaudio View Post
TL072 classH Step Driver Schematic + PCB
apex.for b500 amp what function at input for a and b?and can change 2sc5200 with mjl4281a?
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Old 27th November 2010, 10:52 AM   #928
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B500 + TL072 Step Driver for classH.
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Old 27th November 2010, 10:58 AM   #929
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Originally Posted by Mamak View Post
apex.for b500 amp what function at input for a and b?and can change 2sc5200 with mjl4281a?
A and B use for bridge mode, MJLs can be used instead 2SA/SC
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Old 27th November 2010, 11:06 AM   #930
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Quote:
Originally Posted by irvynejay View Post
Ty mile now ill try to connect Step drive to my B 500
pls check if anything wrong with my work.
Use circuit from post #928, and correct pins layout for TL072 (drawing mistake)
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