Sharp QT-CD700W Manual de Serviço Página 1

QT-CD700W QT-CD700WSERVICE MANUALSHARP CORPORATIONCONTENTSThis document has been published to be usedfor after sales service only.The contents are sub

QT-CD700W 10ADJUSTMENTMECHANISM SECTIONTorque Specified ValuePlay: TW-2412 Over: 80gTorque CheckTorque Meter Specified ValuePlay TW-2111 30 to 60g.cmF

QT-CD700W 11TAPE LEAF SWWHWHRDBKMOTORM601TAPEMECHANISMVariable resistorin motorPHONESW3IC3CN1SW1VR1t101BIAS OSCSW2CN103IC101Figuer 11 ADJUSTMENT POINT

QT-CD700W 12CD SECTIONSince this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary

QT-CD700W 13Figure 13-1ABCDEFGH654321ECBECBECBEC B12D3D506D2CCN8CN5CD DOOR12456789101112OPEN/CLOSECD LIDSW810Q4C5O4AC515CN502BPLAYS4Q5C525D505CN503ARD

QT-CD700W 14SETTING METHOD FOR LASER LIGHT UPSETTING FOR MAXIMUM LASER POWERPickup unitVariable resistorVR1ANote:The TEST mode is cleared by power OFF

QT-CD700W 15NOTES ON SCHEMATIC DIAGRAM•Resistor:To differentiate the units of resistors, such symbol as K and M areused: the symbol K means 1000 ohm a

QT-CD700W 16Figure 15 SCHEMATIC DIAGRAM (1/4)FM ANTENNAD3011N4148D3021N4148C32833PC316130PR114.7L3012T5/5MML3033T5/4.5MMC30225PC30125PC324203VC1AVC1CI

QT-CD700W 17Figure 16 SCHEMATIC DIAGRAM (2/4)R247K31000R4102K7R41356KR414180KD4025V1D4031N4148D9A1N4001D81N4001D71N4001R4115K1R412390D101N4148D31N4148

QT-CD700W 18Figure 17 SCHEMATIC DIAGRAM (3/4)R102A4.71.81VVDD3.11V2.38VC102A470UF/10R110A 56KC601 470U/10VC103A 103R109A 47KR101A 91R106A 47KR108A 47K

QT-CD700W 19Figure 18 SCHEMATIC DIAGRAM (4/4)C126A1UF/50VR128A220R505A10KC502A104L202100uHC133A100UF/10104C134AC128A104C132A15PR302A3KC3064.7UF/50VR30

QT-CD700W 2SAFETY PRECAUTION FOR SERVICE MANUALz This product is classified as a CLASS 1 LASER PRODUCT.z WARNINGS: The AEL (Accessible Emission Level)

QT-CD700W 20Figure 19 WIRING DIAGRAM OF P.W.BOARD (1/2)ABCDEFGH123456ECBECBECBECBEC BEC BECBECBRDRDRDRD1212RDRDRDWHWHWHCN14ACB1SPK403SPK404CB2RDBKBKBK

QT-CD700W 21Figure 20 WIRING DIAGRAM OF P.W.BOARD (2/2)78 9 10 11 12ECB321ECBECBEC BECBCBEC BECBECBECBECBECBECBECBECBECBECBECBECBECBTC2TC1VC2VC4VC1VC3

QT-CD700W 22WAVEFORMS OF CD CIRCUITRF PIN64TE PIN60FE PIN9FD PIN 19RF PIN64TE PIN60TD PIN21SLED PIN23RF PIN64TE PIN60TD PIN21SLED PIN23RF PIN64TE PIN6

QT-CD700W 23The numbers 1 to 8 are waveform numbers shown in pages 22.IC201ABU24530-9A12345678910111213141516AVDD1ACBDVBIASE6AGND1FENFE0PKCBTCPDLDASYA

QT-CD700W 24TROUBLESHOOTING (CD SECTION)When the CD does not functionThe CD section may not operate when the objective lens of the optical pickup is d

QT-CD700W 25YesYesYesNOYesNOYesNOYesNOYesCheck the power supply, 16.93 MHz clock , and resetterminal.Check the pickup-in limit switch position.Check t

QT-CD700W 26YesYesNoYesNoYesNoYesYesNoNoYesPIN 8(FEN)Does the optical pickup move up and down when the disc isremoved?Is the following waveform output

QT-CD700W 27YesNoNoYesNoYesNoYesTDOUTNoYesTEOTENNoYesNoYesTLCRFMRFRPRFMYes* Spindle motorIC101A when the function is changed to "PLAY" from&

QT-CD700W 28YesYesNoNoNoYesYesNoYesNoSDOUTFFREWSLFFREWSD OUTIs following slide feed signal output the pin 23 (SDOUT) ofIC101A when UP/DOWN key is pres

QT-CD700W 29FUNCTION TABLE OF IC201ATerminal No.Terminal NameAnalog/DigitalI/O FunctionEquivalent circuit1 AVDDI Analog - Analog power terminal for RF

QT-CD700W 3CHAPTER . QT-CD700WFOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFERTO THE OPERATION MANUAL. GeneralSPECIFICATIONSPowe

QT-CD700W 3049 XI Digital I X'tal 16.9344MHz connecting (input) terminal 1450 XO Digital - X'tal 16.9344MHz connecting terminal 1451 DGND Di

QT-CD700WPARTS GUIDESHARP CORPORATIONCONTENTSParts marked with " " are important for maintaining the safety of the set. Be sure to replace t

QT-CD700W1NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[1] CAPACITORSC192L27500105070 AB 1UF +/-20% 50V 5 X 11C392L27100203008 AC 0.02uF 0805 +

QT-CD700W2NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTIONC503 92L27500105070 AB 1UF +/-20% 50V 5 X 11C503A 92L27100104106 AH 0.1UF 0603 +/-10% 25

QT-CD700W3NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[8] INTEGRATED CIRCUITSIC1 92L28402111001 AN TA2111N HaiWeiIC3 92L28408227020 AK YD8227

QT-CD700W 4[11] CABINET PARTSABCDEFGH123 45 6Note: Only the unit and consumale parts are supplied as parts supply for the Tape mechanism.17S0218171954

QT-CD700W 5NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[11] CABINET PARTS1 92L90007041300 AQ CASSETTE DOOR ASSEMBLY2 92L62618070010 AF CASSETT

QT-CD700W6NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION9 92L13508070020 AH POLYFOAM (R)10 92L20707041010 AC PICK UP PROTECTIVE CARD11 92L194070

QT-CD700W 7COPYRIGHT 2004 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval system, or trans

QT-CD700W 4Names of parts1161718192021239101112131445 67815221. Function Switch2. Volume Control3. (Tape) Pause Button4. (Tape) Stop/Eject Button5. (T

QT-CD700W 5FITTING OF DIAL POINTERSetting method of dial pointer1) Remove the front cabinet.2) Remove 3 pcs screws (S06) φ3 x 10 PA from tuning bracke

QT-CD700W 6OPERATION MANUAL1Preparation for use2Listening to a CD4Listening to a Cassette Tape3Listening to the Radio5Recording from a CD ● 8 "C

QT-CD700W 7DISASSEMBLYScrew...S04x65 Tape MechanismScrew...S06x41 Rear CabinetScrew...S08x5Screw...S06x2Screw...S06x2Screw...S06x42 Front Ca

QT-CD700W 8Figure 6-1Figure 6-2FUNCTION KNOBFUNCTION KNOB BKT(S05)X1φ3X8mm(S05)X1φ3X8PWHCD MECHANISMMAIN PCB ASS'YPOWER PCB ASS'YBA TTER Y D

QT-CD700W 9(S09) X 2φ3x20PWHBlack wireBluewireRed wireRed wireLeftTerminalLeftTerminalRight TerminalCenter TerminalScrewVOLTAGESELECTOR220-240V110-127