Cambridge Audio Dacmagic mk2 faulty, HELP!! - Page 2

rfbrw · 28th March 2007, 11:51 PM

When the TDA1315 in my Dacmagic 2 went south, the relays continuously stuttered. I'd go through the TDA1315 datasheet and check all the voltages and logic levels as you switch through the different inputs but there is every possibility that the TDA1315 is faulty.

smaalen · 6th January 2010, 12:03 PM

I have a similar problem with my DacMagic 2 Mk2. I think it went wrong when I accidentally fed it with a sample rate that was too high (192khz).

Connected with an optical toslink cable to a PC computer source it now still locks on to the source ('locked' LED is on) but it does not produce any sound at 44.1khz and 48khz, the sample rate indicator LEDs for 44.1 and 48 do not lit either. With my TEAC cd transport the result is the same, no sound. I also tried the coax connection (only at 48khz) but that did not work either.

When I feed it a 33khz or below signal it does produce sound but it plays too slow, like a vinyl single at 33rpm. With my MacBook Pro as the source however there is sound at 44.1khz but it has a crackle and the sample rate LED for 44.1 blinks like there is a loose contact. At 48khz there is no sound with the MacBook either.

Would it be the TDA1315 that is broken and would it be a relatively straightforward repair?

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28th March 2007, 11:51 PM	#11
rfbrw diyAudio Member Join Date: Oct 2001 Location: .	When the TDA1315 in my Dacmagic 2 went south, the relays continuously stuttered. I'd go through the TDA1315 datasheet and check all the voltages and logic levels as you switch through the different inputs but there is every possibility that the TDA1315 is faulty.

6th January 2010, 12:03 PM	#12
smaalen diyAudio Member Join Date: Jan 2010	I have a similar problem with my DacMagic 2 Mk2. I think it went wrong when I accidentally fed it with a sample rate that was too high (192khz). Connected with an optical toslink cable to a PC computer source it now still locks on to the source ('locked' LED is on) but it does not produce any sound at 44.1khz and 48khz, the sample rate indicator LEDs for 44.1 and 48 do not lit either. With my TEAC cd transport the result is the same, no sound. I also tried the coax connection (only at 48khz) but that did not work either. When I feed it a 33khz or below signal it does produce sound but it plays too slow, like a vinyl single at 33rpm. With my MacBook Pro as the source however there is sound at 44.1khz but it has a crackle and the sample rate LED for 44.1 blinks like there is a loose contact. At 48khz there is no sound with the MacBook either. Would it be the TDA1315 that is broken and would it be a relatively straightforward repair?

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