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IC KA7552 Saya kesulitan mecari IC KA7552. apa ada rekan yg bisa membantu mecarikan persamaan dari KA7552 tersebut. Terima kasih

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1 Answer

Apa solusi jika vcd compo sony pesannya push power protect?


what is this now . use english if you want assistance .

Jan 01, 2015 | Sony Audio Players & Recorders

1 Answer

Need manual manual


You can download from here:


http://www.2shared.com/document/yG-_mTOs/sharp_xl-dk225__1_.html

Nov 06, 2012 | Sharp XL-DK225 Shelf System

2 Answers

Ic stk 470-040 where do i find it.is that the main IC


If you are from delhi then you can search the ic in lajpatrai market(chandni chawk).this is not the main ic as the main ic's are "audio power module".If stk 470-040 is blown f61 or some other error is displated according to the systems model and the system is shutdown immediately.

Dec 15, 2010 | Panasonic SC-AK18 CD Shelf System

1 Answer

THERE IS NO audio frm my fisher tad-9925.....the ic has just been replaced but still no audio.....cd is playing but cant hear anything


Its a little hard to diagnose over the computer.
I assume there is no sound from the amp EVER.
I assume you have tried other sources.
I assume the unit worked OK until the IC blew.
I assume you replaced the IC yourself?

Often, parts with the IC also fail. There maybe fuses that look just like little resistors along with the IC. They might be blown.
There are parts in the circuit to test if there are speaker problems called power resistors. These will frequently open circuit when the IC Blows - you won't be able to see anything visually.
If your stereo normally makes a 'Click' sound just before the sound comes on, and now there is no click, this indicates the repair of the IC is not complete yet - find the blown part.

Mar 22, 2010 | Fisher 9925 Shelf System

6 Answers

Need equivalent IC


i made programmer for 89c51. in this use ic ds275. i want know what is the equivalent ic of ds275.

Aug 10, 2008 | LG F-185 CD Shelf System

1 Answer

PROTECT on display


Dear petfresh,
Please switch off the system, remove the speakers wires from the system and switch on the system. If system gets on then the speakers or speaker wires are defective.
Output IC is Audio out put IC.( Integrated circuit)
It can be fixed only by service technician at service point
ramesh22

Jun 08, 2008 | Sharp CD-BA300 CD Shelf System

1 Answer

F61 problem


DIsconnect sound Amplifier ic (RSN).After removal of the ic if the unit works o.k offcourse without sound than replace ic.If still f61 than sound ic is o.k and check voltege regulators in power supply.You can check dc detect line if it gets activated.
F61 is mainly two resons 1st sound ic or power supply problem in power bord which send signal to system control to shut down the power in order not to damege more.

Dec 13, 2007 | Technics SC-EH780 CD Shelf System

2 Answers

Protect error


The 'Protect' error means there is a DC voltage present in the output section(which should not be there). This can be caused by a defective output IC(the big IC on the heatsink). Disconnect the IC and see if the error goes away.Also check the resistors around the IC.

Nov 25, 2007 | Sharp CD-BA2100 CD Shelf System

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