Sharp XL-520W Servisní příručka

– 1 –XL-520W/CP-520 CONTENTSPageSAFETY PRECAUTION FOR SERVICE MANUAL ...

XL-520W/CP-520– 10 –Figure 10-2Figure 10-31. This CD unit need adjustment as follow.CD SECTIONFigure 10-4CD Test ModeAdjustment PartValue/Adjusting Me

– 11 –XL-520W/CP-520TEST MODEThe Test Mode for this microcomputer has two variations, namely "regular Test Mode" for adjustment and measurem

XL-520W/CP-520– 12 –When the following operation key is pressed in this state, the following operation is performed."POWER" ...

– 13 –XL-520W/CP-520When the following operation keys are pressed in this state, the following operations are performed."POWER" ...

XL-520W/CP-520– 14 –Test Mode operation specification3. Preset frequencies for various destinations (random preset memory)BAND (CH)1 FM 87.5MHz2 FM 10

– 15 –XL-520W/CP-520In this Test Mode checking as to whether all the main unit keys can be detected is performed. Accordingly, when this modeis set,

XL-520W/CP-520– 16 – Figure 16 BLOCK DIAGRAM (1/4)1491011121314151719212325 31 32 34 35 36 38 39 41 42 45 4640 44 47 485152535455566364576253219876543

– 17 –XL-520W/CP-520 Figure 17 BLOCK DIAGRAM (2/4)32171213141516171819212526272830323334363740414243444748495051525354585965 67 7775 78 79 80621321987

XL-520W/CP-520– 18 – Figure 18 BLOCK DIAGRAM (3/4)Vcc+5VAM ANT.T302FM MUTE LEVELVR351AM OSC OUTSWITCHINGR-MUTEX351AM OSC.T306CF351T351AM IFCF352+5VVCC

– 19 –XL-520W/CP-520 Figure 19 BLOCK DIAGRAM (4/4)SRS1Q203Q202Q208R-MUTEAUDIO +12VSDSTEREOIC601LA4450POWER AMP.TAPEVDDRVROUTLVROUTVrefRVrefLVrefLTESTR

XL-520W/CP-520– 2 – Cassette deck sectionFrequency response: 50 - 14,000 Hz (Normal tape)Signal/noise ratio: 50 dBWow and flutter: 0.25 % (WRMS)Typ

XL-520W/CP-520– 20 –Figure 20 SCHEMATIC DIAGRAM (1/4)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.FM IFFMRFR36115K22 21 2019 18

– 21 –XL-520W/CP-520Figure 21 SCHEMATIC DIAGRAM (2/4)78 9 10 11 12R36115K123313029282726252827 2625 24 23 22 21 20 1819 17 16 15123456789 1110 12 13 1

XL-520W/CP-520– 22 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.Figure 22 SCHEMATIC DIAGRAM (3/4)141312111098765432131302928272

– 23 –XL-520W/CP-520Figure 23 SCHEMATIC DIAGRAM (4/4)78 9 10 11 12• The numbers 1 to 17 are waveform numbers shown in page 30.31 30 29 28 27 26

XL-520W/CP-520– 24 –Figure 24 WIRING SIDE OF P.W.BOARD (1/4)ABCDEFGH12345612TO MAIN PWBP25 12-GTO CD SERVO PWBP27 12-ETO CD SERVO PWBP27 12-FTO MAIN P

– 25 –XL-520W/CP-520Figure 25 WIRING SIDE OF P.W.BOARD (2/4)78 9 10 11 1215WHBKPK123CNS805CNP805CNP604CNP605JACK PWB-B4TO CD SERVO PWBP27 11-HP24 4-D

XL-520W/CP-520– 26 –Figure 26 WIRING SIDE OF P.W.BOARD (3/4)ABCDEFGH123456CNP803165432CD MOTOR PWB-DPICK INSW8017181PICKUP UNITFW7021CD LIDSWITCH PWB-

– 27 –XL-520W/CP-520Figure 27 WIRING SIDE OF P.W.BOARD (4/4)78 9 10 11 1212332132132123123 1IC701C850R823CNS603C904C905Q901C804R80AR80BR80CR80ER80FR80

XL-520W/CP-520– 28 –VOLTAGE0V2V2.1V2.1V5.4V5.4V0V2.1V0 V0V0V0V2.3V2.3V2.1V2.1V2.1V–2.1V0V2.3V2.6V0V–2.7V0V0V0V0V1.8V2.7V0V––0V0V9876543213029282726252

– 29 –XL-520W/CP-520SW651 VOLTAGE SELECTOR 110/127/220/230-240VSW701 CD EJECT ON—OFFSW702 PLAY ON—OFFSW703 VOLUME DOWN ON—OFFSW704 VOLUME UP ON—OFFSW7

– 3 –XL-520W/CP-520NAMES OF PARTS Front Panel1. Functin/Band/Track Number Indicator2. Volume Indicator3. Extra Bass/Equalizar Indicator4. Timer Ind

XL-520W/CP-520– 30 –WAVEFORMS OF CD CIRCUITFKICNO DISC FOCUS SEARCHFCSIFSO123123FKICFOCUS SEARCH ILFCSIFSO123123FEISTOP PLAYFSORFO123435FEISTOP

– 31 –XL-520W/CP-520TROUBLESHOOTING (CD SECTION)When the CD does not functionWhen the CD section does not operate When the objective lens of the optic

XL-520W/CP-520– 32 –• LCD indication error.Is +5V applied to the pin 8 (VDD) of IC701?Is +5V applied to the pin 38 (SYS STOP) of IC701?Check the peri

– 33 –XL-520W/CP-520• Focus servo sawtooth wave is not ouput.Is sawtooth wave obtained at the pin 33 of IC804 (as shownabove)?Is sawtooth wave obtain

XL-520W/CP-520– 34 –• HF error.YesYesIs output (tracking error signal) obtained at the pin 35 (TSO) ofIC801 when the CD test mode "STEP4" i

– 35 –XL-520W/CP-520• Sled motor operation failure.YesYesIs slide feed signal output between the pin 26 (FUSO), 27(FMSM) of IC801 and the pin 15 of I

XL-520W/CP-520– 36 –IC701 RH-iX0189AWZZ:System Microcomputer(iX0189AW) (1/2)1-4 COM3-COM0 Output LCD COMMON output terminal5-7 VLC3-VLC1 — LCD power

– 37 –XL-520W/CP-520FunctionTerminal NameInput/Output53 REC Output Tape circuit record/playback selection output H:Record Mode L:Playback Mode54 B-CAN

XL-520W/CP-520– 38 –DMFK H Motor accelerationDMSV PWM CLV servo ONDMBK L Motor decelerationDMOFF VREF CLV servo OFFIC802 VHiTC9284BF-1:Servo/Signal Co

– 39 –XL-520W/CP-52043 FCSI Output Focus actuator driving signal output terminal in the focus search mode.44 FKIC Output Focus actuator driving signal

XL-520W/CP-520– 4 – Speaker Section1. Tweeter2. Woofer3. Bass Reflex Duct4. Speaker Wire Remote Control1. Remote Control Transmitter LED2. On/St

XL-520W/CP-520– 40 –Figure 40 BLOCK DIAGRAM OF ICIC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF)64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48

– 41 –XL-520W/CP-520IC801 VHiTA2065F/-1:Servo Amp. (TA2065F)1 RFO Output RF amp (RF AMP) output terminal.2 RFI Input RF ripple signal generating circ

XL-520W/CP-520– 42 –IC801 VHiTA2065F/-1:Servo Amp. (TA2065F)Figure 42 BLOCK DIAGRAM OF IC38 37 36 35 34 33FMSBGRFSOSC3 STATEDETLDFSFEMDRFRPADDTETSTS

– 43 –XL-520W/CP-520PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONXL-520W/CP-520INTEGRATED CIRCUITSIC101 VHIBA3126N/-1 J AF Head Selector,BA3126NIC10

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONXL-520W/CP-520C226 RC-GZA475AF1E J AB 4.7 µF,25V,ElectrolyticC240 RC-QZ0018AWZZ J AB

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONXL-520W/CP-520C881 RC-GZA107AF1A J AB 100 µF,10V,ElectrolyticC883,884 RC-GZA106AF1C

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONXL-520W/CP-520R718 VRD-ST2EE272J J AA 2.7 kohms,1/4WR719 VRD-ST2EE182J J AA 1.8 kohm

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONXL-520W/CP-520109 NGERH0028AWZZ J AB Gear,Flywheel110 NGERH0030AWZZ J AE Gear,Play

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONXL-520W/CP-520! 92LCORD1652A J AC Power Supply Cord[ForTaiwan Only]! 92LCORD577B J A

– 5 –XL-520W/CP-520OPERATION MANUALSETTING THE CLOCK 1Press the ON/STAND-BY button to enter the stand-by mode.2Press the MEMORY/SET button.3Press the

XL-520W/CP-520– 50 –ABCDEFGH123456Figure 7 CD MECHANISM EXPLODED VIEW– 7 –XL-520W306-1701304701302301702702303M802703305x2SW801M801305PWB-D306-2306-3

XL-520W/CP-520– 51 –Figure 8 TAPE MECHANISM EXPLODED VIEWABCDEFGH123456– 8 –XL-520WBELT CONNECTION138137119105129102130118504X31165021331031315021231

XL-520W/CP-520– 52 –Figure 9 CABINET EXPLODED VIEWABCDEFGH123456– 9 –XL-520WSHARP607604605604606212220221222223217610x3223-2223-3608x3225602x4607x260

XL-520W/CP-520– 53 –Figure 10 SPEAKER EXPLODED VIEWABCDEFGH123456– 10 –CP-520SHARPBlackSP1,2WooferSP3,4Tweeter705Black Red706702704x4703701SP1,2

XL-520W/CP-520– 54 –– 11 –— M E M O —

XL-520W/CP-520– 55 –– 12 –— M E M O —

XL-520W/CP-520– 56 –COPYRIGHT 1997 BY SHARP COPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval

XL-520W/CP-520– 6 –(Continued) AM/FM interval (span)The International Telecommunication Union (ITU) has establishedthat member countries should mainta

– 7 –XL-520W/CP-5201 Top Cabinet 1. Screw ... (A1) x4 7-12. Socket ... (A2) x33. Screw ... (A3) x12 Side P

XL-520W/CP-520– 8 –Figure 8How to remove the pickup (See Fig. 8)1. Remove the mechanism cover, paying attention to thepawls (A1) x 4 pcs.2. Remove the

– 9 –XL-520W/CP-520MECHANISM SECTION• Driving Force CheckTorque MeterSpecified ValuePlay: TW-2412 Over 80 g• Torque CheckTorque MeterPlay: TW-2111 30