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Содержание QauAD66

Страница 1: ...at 5 auAD66 CompactDiscPlayer ServiceData Quad Electroacoustics Ltd St Peters RoadHuntingdon CambsPE187DB England Telephone 0480 52561 Fax0480413403 r OSCDIED...

Страница 2: ...play Board Removing PCBComplete WithCD Mechanism CD PlayerLayout Replacing CD Mechanism Replacing Display Bulbs Changing MainsVoltage Voltage Measurementsand Adjustments Laser Current FocusOffset Powe...

Страница 3: ...d fromtheplayer andallmajor functions areavailable viaa remote control unit a compact handheldtype being supplied asstandard Morethanoneremote control canbeusedandit is notnecessary to point theunitat...

Страница 4: ...rement levels DiAconversion Quadruple oversampling 176 4kH2 with digital filterandtwo 16 bitD Aconverters Errorcorrection system Crossinterleaved ReedSolomonCode Audio Output crRC 2 V rmsmax 300 mV on...

Страница 5: ...oximately withnormal operation usingalkaline cells ThreeAAAsizealkaline cells The right is reseruedto alterperformanceand specificationsas required CDPlayer SimpleBlock Diagram Thiscompact disc player...

Страница 6: ...strapwitha resistor Alsokeep components andtoolsat thispotential Surface mounted chipcomponents areusedinthisequipment Shouldany servicing be carriedoutat component levelthenthe correctprecautions mus...

Страница 7: ...remove the mainPCBandCD mechanism onearlymodels thedrawer CompleteWitn CO trayhasto betakenoutto allowaccessto oneof theretaining screws T Mechanism Fig2 on laterversions thisis accessible withthedraw...

Страница 8: ...Fig 3 Top View cover removed QUAD66 CD service data s J page 9...

Страница 9: ...ent andlasercurrentaresetas shownon page 12 d To replace themechanism securetheCD mechanism to the main PCBwiththetwoscrewsinthefrontpillars ensuring anyspacing washersarecorrectly fitted Front Fig 3...

Страница 10: ...ied for 2201240V ac operation For 110 127V operation the mainstransformer canbe setby wirelinksonthe mainPCB the mainsinputpowerfusemustalsobe replaced withthe correctrating Facilities areprovided for...

Страница 11: ...tdisc5 b DC Powersupplies voltage measurements Reference shouldbe madeto thecircuit diagrams opposite Allvoltages withrespect to ground0V c LaserCurrentAdjustment seefig 5 Usingtrack1 of the Philips t...

Страница 12: ...6 0 6 t 6 2 z R z l c T 22n I o n n r I N C N I D I S P L A Y l t t t t_t r r l l l l t l l t l _ _t t_ _l l 7 t 8 R2 c3 2u I n I s60e I t I s x i R3 68K T I BC 84K CD DisplayCircuitDiagram 2195 1 CD...

Страница 13: ...ley 107 Guide pin 108 Cushion drawer 109 Guide pin 110 Trayroller 111 Lever 112 Trayspring clty 1 7 1 1 1 1 1 1 2 1 1 ref item 13 14 16 17 18 19 21 22 23 24 26 106 CDMechanism Exploded View Wlr 124 y...

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Страница 16: ...ctor 6 way Flexconnector 7 way Rearpanel screened Soldertag M3 NutM3 HexSt Bzp Shakeproof washerM3 St Int MainPCB Plainrubberinsert forfoot CD chassis CoverscrewM3x10mm suppan Display assemby complete...

Страница 17: ...pplied Mains lead 1 5m freeend Signal leadPhono 0 5m assupplied Signal leadPhono 1m 1 3 1 1 1 1 QCDREMA N1VsAAA QSPRSO6 QRS1 MsA QP2P2SA QP2P21A Ref Description Qty PartNo 1 2 3 4 5 Screw kit inccover...

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