Abbingdon Music Research CD-77 Скачать руководство пользователя страница 34

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Appendix - Troubleshooting & Maintanence

Figure A.1 Troubleshooting Guide

Symptom

Possible cause

Solution

‘Disc Error’ or

•

dirty or heavily scratched CD disc

•

clean the CD disc

‘No Disc’ is shown

•

wrong disc type

•

replace with a proper CD disc

Disc spinning

•

dirty or heavily scratched CD disc

•

clean the CD disc

erratically

•

CD puck improperly attached

•

replace CD puck properly

No power when the

•

poor or no power plug connection

•

insert the power plug firmly into the AC

power button is set

at power point

to ON

•

blown fuse at mains plug

•

change mains plug fuse

No sound

•

incorrect audio cable connections

•

ensure the CD-77 is correctly connected

•

incorrect CD-77 operation

•

ensure input selector on the amplifier is set

to desired source for the CD-77

Remote control

•

batteries in remote control handset

•

replace batteries

does not work

have expired

•

object obscuring remote sensor

•

remove any objects directly in front of the CD-77

on the CD-77, no “line of sight”

A ‘humming’ sound

•

loose cable connections

•

re-attach the loose cables correctly

can be heard

Содержание CD-77

Страница 1: ...CD 77 Reference Class Compact Disk Processor Owner s Manual ...

Страница 2: ...2 ...

Страница 3: ...rgy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct...

Страница 4: ...Flicker o EN60950 IEC60950 Product Safety Laser Safety This CD player has been designed and manufactured according to FDA regulations title 21 CFR chapter 1 subchapter J based on the Radiation Control for Health and Safety Act of 1968 and is classified as a Class 1 laser product CLASS 1 LASER PRODUCT No User Serviceable Components Inside For service contact your Authorised Dealer or Distributor An...

Страница 5: ...ay cause the component and cart combination to overturn Any mounting of the device on a wall or ceiling should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer Read and follow all the safety and operating instructions before connecting or using this component All warnings on the component and in its operating instructions should be adhered ...

Страница 6: ...o operate normally or exhibits a marked change in performance E The component has been dropped or the enclosure has been damaged DO NOT ATTEMPT SERVICING OF THIS UNIT YOURSELF REFER SERVICING TO QUALIFIED AMR SERVICE PERSONNEL Upon completion of any servicing or repairs request the service point s assurance that only AMR Authorised Replacement Parts with the same characteristics as the original pa...

Страница 7: ...light excessive dust or mechanical shock Do not place the component in an inclined position It is designed to be operated in a Precautions This equipment has been tested and found to comply with the limits set out in the EMC Directive using a connection cable shorter than 3 metres On power sources The mains power cable should be routed so that it is not likely to be walked on or pinched especially...

Страница 8: ...oth the button and the front fascia to register the touching finger may have to touch the chassis to discharge any static electricity prior to button selection Running In AMR estimates that the CD 77 may take between 300 500 operating hours for all of the internal components to be fully broken in Please anticipate the sonic performance of the CD 77 to settle only after it has been used for this ap...

Страница 9: ...tup 11 1a Unpacking 12 1b Setup 13 Section 2 Component Overview 15 2a Start Up 19 Section 3 Advanced Features 29 3a OptiSample 29 3b DAC Input 31 3c IR Link 31 3d Crowbar Muting Circuit 31 3e OptiMains Protection for Excessive Under Over Voltages 32 ...

Страница 10: ...10 Section 4 Technical Features 33 Appendix Troubleshooting Maintanence 34 Troubleshooting 34 Maintenance 35 Specifications 37 ...

Страница 11: ...ower On Off 90V 135V 190V 260V AC IN CLASS 1 LASER PRODUCT No User Serviceable Components Inside For service contact your Authorised Dealer or Distributor Any modifications to this equipment will void all warranties CAUTION ATTENTION RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR SERIAL NO Designed and Engineered in Great Britain Compact Disk Processor CD 77 ...

Страница 12: ...ference Class Compact Disk Processor ii Aluminium CD puck iii RC 77 Remote Commander with 2 x AAA batteries iv PC 77 OptiLink Reference mains power cable v IC 77 OptiLink Reference interconnect cable RCA type vi CD 77 Owner s Manual vii Quick Start Card viii AMR Warranty Card ix AMR System Test Disk x Aluminium professional flightcase Please ensure that all items are present Should an item be miss...

Страница 13: ...0W see graph IN OUT 100 1000 10000 Frequency Hz Frequency Hz 50 60 70 80 90 100 Output dB Output dB HF Level Adjustment Resistor HF LF Designed and Engineered in Great Britain LS 77 Professional Monitor Sensitivity Frequency Response Peak Prog Handing Cont Power Handing Impedance 87dB 8Ohms 150W 600W see graph 100 1000 10000 Frequency Hz Frequency Hz 50 60 70 80 90 100 Output dB Output dB HF Level...

Страница 14: ...IC 77 s left and right channels to the respective inputs of the ampli fier Ensure that the correct colour coding is adhered vii Connect the IEC end of the PC 77 mains power cable to the mains receptacle of the CD 77 and connect the mains plug into a mains socket power source Transporting Moving the CD 77 Prior to any transportation movement ALWAYS replace the protective foam insert inside the CD w...

Страница 15: ...r standby mode F2 REV REVERSE button to select the previous track fast reverse F3 PLAY PAUSE button to initiate playback pause once a compact disk has been correctly loaded F4 FWD NEXT button to select the following track fast forward F5 STOP button to halt stop play F5 F4 F3 F2 F1 COMPACT DISK PROCESSOR CD 77 ...

Страница 16: ...C 77 mains power cable to the CD 77 Please refer to Section 3 Advanced Features for a detailed explanation R5 R3 R2 R4 R1 R11 Analog Outputs Analog Outputs R L USB Input IR Link Power On Off 90V 135V 190V 260V AC IN CLASS 1 LASER PRODUCT No User Serviceable Components Inside For service contact your Authorised Dealer or Distributor Any modifications to this equipment will void all warranties CAUTI...

Страница 17: ...t the four corners of the rear bat tery compartment Install the 2 x AAA batteries in the correct direction accord ing to the baseplate inside the battery compartment Replace the battery compartment and the four cover screws REMOTE CO MMAN DE R RC 77 kHz IN VOL Amplifier CD Processor RC4 RC3 RC1 RC6 RC2 RC5 RC7 RC11 RC10 RC14 RC13 RC12 RC9 RC8 RC15 ...

Страница 18: ...n to commence playback or to pause playback RC9 FWD NEXT button to fast forward or select the following track RC10 SAMPLING button to cycle through the 6 different Optisample modes RC11 BRIGHTNESS button to switch between 4 different brightness levels including display off RC12 TIME button to alternate between the display of current track or time remaining RC13 PROGRAM button to program an order o...

Страница 19: ...t up to indicate the unit is switched on and ready for use This should take just under 1 minute as the OptiMains circuit is verifying the incoming mains and the CD processor is warming up The display should flash the message Optimising Supply Voltage it will then change to Warming Up 45 s The display will then countdown the remaining warm up time Once the OptiMains circuitry has completed its init...

Страница 20: ...witched off to preserve valve life 3 Loading Autoplay To play a compact disc slide back the top loading CD door Remove the CD puck and place the compact disc in the large circular recess in the well with its transparent playing surface facing down The label side of the compact disc MUST face UP Replace the CD puck in the center and close the lid Make sure the CD puck is correctly centered and posi...

Страница 21: ...on the compact disc 5 Play Pause Once the compact disc has been correctly placed in the CD 77 press PLAY PAUSE F3 on either the front fascia of the compact disk processor or on the RC 77 RC8 to commence playback During playback at anytime pressing PLAY PAUSE again on either the front fascia or the RC 77 playback will be paused To resume playback press PLAY PAUSE once more When the recording was ma...

Страница 22: ...orward until the button is released 8 REV Reverse At any time pressing REV F2 once on either the front fascia or the RC 77 RC6 the previous track will be selected By holding down REV F2 or RC6 playback will reverse until the button is released 9 Numeric Pad RC 77 only This encapsulates the numbers 0 9 on the numeric pad By pressing any combination of the numeric keys a desired track may be selecte...

Страница 23: ...the REPEAT button RC2 is pressed AGAIN Repeat All will be displayed once the last track of the compact disc has been played instead of stopping the CD 77 will revert to Track 1 11 A B RC 77 only The A B button RC3 is for the manual selection of a chosen piece of music within a track for repetition When the A B button RC3 is pressed once ...

Страница 24: ...and repeat will commence To cancel this program press the A B button RC3 again 12 DAC Input RC 77 only The DAC button RC4 is for the replay of music on the CD 77 from music stored on a computer hard drive via a USB to USB cable connection To establish the connection between the CD 77 and the hard disk source i Power ON the CD 77 ii On the RC 77 press the DAC button RC4 to place the CD 77 in DAC mo...

Страница 25: ...r Windows Media Center et al 13 OptiSample RC 77 only With or without a compact disc playing if the OPTISAMPLE button RC10 is pressed the current sampling method the default is Digital Master II will be displayed for 3 seconds Within this timeframe press again to cycle through each of the 6 different sampling methods from Digital Master I through to Upsampling at 192kHz See Section 3 Advanced Feat...

Страница 26: ... TIME button RC12 on the RC 77 the display will show and cycle through Elapsed Track Time Track Remaining Total Remaining 16 Scan RC 77 only Press the SCAN button RC13 once Intro Scan 10s will be displayed and the first 10 seconds of every track will be played before moving onto the next track until all tracks have been played ...

Страница 27: ...ack will be played until all tracks have been played 17 Program RC 77 only Press the PROGRAM button RC13 and Program No 01 will be displayed Thereafter select the track via the numeric keypad RC1 Program No 02 will then be displayed and the same routine is repeated To commence playback press PLAY PAUSE RC8 ...

Страница 28: ...28 18 Shuffle RC 77 only Press the SHUFFLE button RC15 and the playback of music tracks will be randomly selected ...

Страница 29: ...ments this with a special analogue filter which corrects the roll off in the treble frequencies As a result the tonality is more accurate in the treble We therefore recommend this mode as the benchmark with which to enjoy music 3 Oversampling 2x this mode engages the Digital Filter with an oversampling factor of 2 thus performing the least digital processing possible except for no digital processi...

Страница 30: ...dge enhanced The sonic result of upsampling is similar to oversampling however there are subtle degrees of change in the tonality due to a shift in the harmonic spectrum as a result of the complex number which underlies the scaling 6 Upsampling at 192kHz this mode engages the Upsampler with a sampling frequency of 192kHz per forming a very large degree of digital manipulation The original data fro...

Страница 31: ...from CD playback via the integral transport 3c Infra Red Link When using the CD 77 as part of a Home Theatre system it is possible to connect a wireline remote control cable to the IR link R4 The CD 77 will become slaved to the remote control operation of the Home Theatre system 3d Crowbar Muting Circuit During switch on and standby resume operation the output of the CD 77 is muted turned off in o...

Страница 32: ...In the case of extreme power surges brown outs or other exceptional unexpected conditions that ex ceed the safety margins the OptiMains system will automatically switch off the mains power to the internal parts of equipment to prevent any damage from occuring If the display reads A C V o l t a g e O u t s i d e O p e r a t i n g R a n g e Power OFF the AMR component and wait at least 5 minutes If ...

Страница 33: ... to one temperature compensated low jitter master clock module with its dedicated power supply OptiDrive transport mechanism ensures reading of the compact disk is virtually without errors or jitter OptiReg digital power supply is the employment of 14 different but specifically designed regulators that combine to virtually eliminate digital noise OptiValve analogue output stage uses NOS valves in ...

Страница 34: ... set at power point to ON blown fuse at mains plug change mains plug fuse No sound incorrect audio cable connections ensure the CD 77 is correctly connected incorrect CD 77 operation ensure input selector on the amplifier is set to desired source for the CD 77 Remote control batteries in remote control handset replace batteries does not work have expired object obscuring remote sensor remove any o...

Страница 35: ... disassembled the laser remains sealed within an optical system that causes its light to focus only 1 millimetre from the lens and then diverge rapidly reducing its intensity to negligible levels CLASS 1 LASER PRODUCT No User Serviceable Components Inside For service contact your Authorised Dealer or Distributor Any modifications to this equipment will void all warranties ii Factors that affect Pl...

Страница 36: ...he actual data surface is embedded directly beneath the label protected only by a very thin coating of lacquer So a scratch that cuts through the label may damage the disc more than a similar scratch on the transparent playing surface Thus you should treat both surfaces of the disc with care Severe scratches or fingerprints may cause the CD 77 to miss track skipping ahead or repeating the same pas...

Страница 37: ...ilter Direct Master II no digital filter anti sin x x analogue filter Oversampling 2x Oversampling 4x Upsampling 96kHz Upsampling 192kHz DigitalAudio Inputs 1 x USB interface Analogue Outputs 1 x RCA 1 x XLR per channel Thermionic Electron Valves ECC81 12AT7 NOS amplification stage 5687 6900 NOS output buffer stage EZ80 6CA4 NOS rectifier stage Specifications ...

Страница 38: ...equency Response 20Hz to 20 kHz 0 0 0 5dB Signal to noise ratio A Weighted 100dB Total Harmonic Dist Noise THD N 0 3 Dynamic range 90dB Channel separation 90dB Power consumption Standby 45 W Power on 90W Rated voltage 90V 135V 190V 260VAC Colour Champagne or Titanium ...

Страница 39: ...05961065 Dimensions 17 9in W by 6 2in H by 18 3in D 46cm W by 16cm H by 47cm D 62 cm W by 30cm H by 78cm D shipped Weight CD 77 62 lbs 28 kg Shipped 107 lbs 49 kg Unless specified otherwise the Specifications apply to the 4 x OverSampling mode and a Digital full scale signal using IHF loading Information and specifications subject to change without notice ...

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