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Kenwood KRC-656r Hello, I have KRC-656r and rear chanels are not working. Could you please find for me wich power IC is used as a rear channels output amplifier. because the text on the original IC-s is wanished. Thank you.

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AN7190 2x20W stereo amplifier

Posted on Sep 11, 2008


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Chanel lock


The Kenwood TK-3312e is a EU version of that handheld If you truly have that model# 3312e and not a TK-2312e.
Then you don't have VHF here the specs for the posted model# you gave.
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Kenwood amp sound goes on one channel


You will need to check on the failed channel with reference from the working channel. If the model is having an IC check for the fusible resistors in the biasing circuit. If not your output IC could be faulty.
Open the set and check for any loose connections. make sure your speaker is fine and cross check for confirmation.If the speakers , the fuses are intact, then you will need to signal test to see if the premap is working or the output is at fault. So check this out. Good day

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I have a kenwood KRC-509S cassette and i forget the code ...??? so is there any way or any tips to open my 509S again... if u know the solution please send it to my email.


The code will only be available from your Main Dealer or by using a Radio Decoding Service who will read the working code inside your radio`s memory chip (EEPROM) using a laptop and special software

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I have a vintage Kenwood amplifier (two channel rear speakers, 4 channel front / satellite) with Dolby Surround. It is circa '98 or so. I just moved it and now the right channel of the rear speakers seems...


I can't provide specifics without the model number, but ingeneral, the amp section for the rear speaker could be defective or the output relay could be the problem. Without knowing the deisng, I can not say for sure. Typically, the units of that vintage, use ICs for the surround amps. Some use a single IC for both channels, some uise 1 per channel. If you can update this with the model number, I can get you more specifics and perhaps a repair cost estimate.

Thanks,
Dan

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Front right speaker got wet, started cutting out. at the same time the rear right speaker started cutting. switched the rear speakers to opposite channels and this caused the right to work and left to cut....


the speaker getting wet will short it out. Shorting the output on any amp will ruin it. there is a right and left chanel with 2 outputs. Right chanel is damaged.

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KAC-8070 kenwood 4-channel power amp


Audio section
Max Power Output (4 ohms, 1kHz)
Rear 70W + 70W
Front 35W + 35W
Max Power Output (4 ohms, 1kHz, 10% THD)
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Front 25W + 25W
Max Power Output (4 ohms, 1kHz, 1& THD)
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Front 20W + 20W
Frequency Response (-3dB)
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Front 5 Hz ~ 50 kHz

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Does a Kenwood KRC 278 R have RCA inputs?


the rca are outputs.
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Yellow (+) Constant 12 Volts
Red (+) Switched 12 Volts
Black (~) Ground
Blue w/white stripe (+) Remote Out(used to turn
on the amplifiers)
Orange w/white stripe (+) Dimmer IN(used to dim
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NOTE. if you dont want to hook up this wire it doesnt matter)

SPEAKERS OUTPUTS

White(+) Left Front
White w/black (~) Left Front

Gray (+) Right Front
Gray w/black (~) Right Front

Green (+) Left Rear
Green w/black(~) Left Rear

Purple (+) Right Rear
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That's for a cd changer.

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