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Cambridge Audio Azur 840C

Stereo Compact Disc Player (2006-08)

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Cambridge Audio Azur 840C


Disc format: CD

Digital converter: 2 x AD1955A, 24 bit 384kHz

CD Mechanism: SF-P101N

Frequency response: 20Hz to 20kHz

Signal to Noise Ratio: 113dB

Total harmonic distortion: 0.0007%

Dimensions: 430 x 115 x 360mm

Weight: 8.5kg

Accessories: remote control

Year: 2007


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Ivy Caudieus's picture

re: Azur 840C ( No Audio Output on both channels )

Hi ...everyone,
I want to share the experience of the type of damage that occurs in this CDP, my CDP CA Azur 840C .... exactly the same problem that it was mentioned at the service bulletin TNBC-0029 issued 1 Sept'08 " first...Relay clicking on and on. and both channels pop & crackle, at the end NO AUDIO OUTPUT AT ALL ". Symptoms of these problems appears within 6 months after the brand new purchased at authorized distributors
Distributor's technician had give up and no longer able to repair this kind of damage, and I've paid a lot of money to repaired this CDP, even via by the authorized distributors or unauthorized technician
Because I felt desperate and curious, I finally open it and try to repair it by myself, with the help from the service manual and after I have tried replaced the capacitor as it's mentioned in the service bulletin, and replacing all capacitors with higher voltage (50-63 V for 10uf value only ), relay clicking sound has gone, but still no audio output.
Another long time intensive searching and observing ( DAC DSP Board ), I finally made a conclusion, this problem arises ... because the middle line (inners side ) was disconnected (missconnect, not perfectly connected) although already soldered repeatedly, so... the last step I take to solving this problem is a direct solder with a tiny cable from end to end
If you look in the service manual on pages 33 and 34, there is a same image and there is no picture for middle lines layer ( image DAC DSP Board Layout view ).
I would like to ask all members here .. do you have a complete DAC DSP board layout ( Top, Inner and Bottom view ) would you mind send me a copy ( or upload to library ) ?????
I'm not a technician, I just had a little soldering skills, the point is .... I want to fix this CDP by myself with same help from all off you and hoping can bring the CDP back to life.
Thank U everyone , all helps, advices, recommendations and opinions are wellcome
Please help.....

Best regards,

Ivy Caudieus

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