User brought this CD machine maintenance, said he just returned from Taobao to buy second hand, sellers said sure it's OK, so they were suspected to be broken during transportation. After the power in and out of positions normally, Dustin had gathered, servo movements are normal, no matter what's on the disc spindle does not turnwraservice manual download site
wraservice manual download site
, H8147AF laser head is sharp, as this model of the laser head is not common, there is no ready-made test machine can be replaced. Also check the rack, because it can be easily broken parts. After careful examination has not found problem, decided to buy a new laser lens try the results one would be nice. Audio repair process, users sometimes reactions are very useful, but there are times when not all users say, still have to trust their own judgment, to avoid detours. The user himself can not determine whether the laser head ages,wraservice manual download site
wraservice manual download site
If you just check by his train of thought, bound to detours, it's like the doctor, no matter which hospital you've checked, doctors are subject to their examination results, to ensure the scientific objectivity.wraservice manual download site
wraservice manual download site
DCD-1880AR shape solid chassis that feels heavy in the hand, weights and DCD-2560 not much from this level description DCD-1880AR level is not low. Apart from some rather special machine manufacturers in Europe and America, the vast majority of audio products, without knowing the price casewraservice manual download site
wraservice manual download site
From the shape and weight to determine the grade of product is an effective way, with the company's high-end product weight must be greater than low end machines, while Japan machines such as mrantz Marantz, Onkyo, Onkyo, Yamaha Yamaha, which is nearly ironclad rule.wraservice manual download site
DCD-1880AR mechanical transmission system and servo circuits provided by the SHARP Corporation. Whereas in DAC, DENON has always insisted on using multiple-bit mode. DCD-1880AR d/a converter chip for BB's PCM61P, accuracy and 18bit. In addition, thewraservice manual download site
wraservice manual download site
ALPHA PROCESSING technology developed by Dragon company also applied on DCD-1880AR, the main function of this circuit is to output analog signal waveform smoothing. DCD1880AR provides two sets of analog audio signal output terminals, the output voltage of a set of fixed, other adjustable from front-panel headphone volume knob controls. Another coaxial and optical digital outputs.

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