Sharp X-70H Wartungshandbuch

– 1 –XL-60H/70H CONTENTSPageSAFETY PRECAUTION FOR SERVICE MANUAL ...

XL-60H/70H– 10 –TAPE MECHANISM SECTIONPerform steps 1 to 8 and 10 of the disassembly method toremove the tape mechanism. (See page 8.)How to remove th

– 11 –XL-60H/70HFigure 11-4How to remove the pickup (See Fig. 11-4)1. Remove the mechanism cover, paying attention to thepawls (A1) x 4 pcs.2. Remove

XL-60H/70H– 12 –MECHANISM SECTION• Driving Force CheckTorque MeterSpecified ValuePlay: TW-2412 Over 80 g• Torque CheckTorque MeterPlay: TW-2111 30 to

– 13 –XL-60H/70H34271561110141512131698VddaVssaMPXINTESTTESTCLK(4.332MHz)OSCXINXOUTRDS-ID/READYRSTMODERDCLRDDAVssdVdddPLL(57kHz)CLOCKRECOVERY(1187.5Hz

XL-60H/70H– 14 –2. CD Test Mode (TEST 1)In the CD test mode the operation of each step is enabled even when the LID-SW is off. However, if focus canno

– 15 –XL-60H/70HThe time display indicates always "0:00".When the following buttons are pressed in this state, the operation is executed as

XL-60H/70H– 16 –3. Tuner Test Mode (TEST 2)1. Outline of tuner (radio) test mode The tuner test mode is intended to store the adjustment and measur

– 17 –XL-60H/70H4. ASPM TEST ModeWhen the ASPM button is pressed, the test mode is set. It starts up at FM 106.50 MHz. (ST mode)Data of 27 CH of 04 to

XL-60H/70H– 18 –B) Cautions concerning the ASPM test modea) Cancel: When the "ASPM" button is pressed again during operation after it was fi

– 19 –XL-60H/70H4. Electronic volume Test Mode (TEST 3)When the test mode is set, the following indication lights for one second.When this mode is set

XL-60H/70H– 2 –Precaution to be taken when replacing and servicing theLaser Pickup.The AEL (Accessible Emission Level) of Laser Power Outputfor this m

XL-60H/70H– 20 –ERROR LISTPU-IN SW detection errorCD read errorError content ... Disc data cannot be read properly oreven if it can be read, t

– 21 –XL-60H/70HNSW801 PICKUP IN ON—OFFSW700 JOG ON—OFFSW709 ON/STAND-BY ON—OFFSW710 CLOCK/TIMER/SLEEP ON—OFFSW711 TUNING UP ON—OFFSW712 PLAY/CD PAUSE

XL-60H/70H– 22 – Figure 22 BLOCK DIAGRAM (1/4)REC MUTEQ105Q106REC 150K150KMUTE ALC + - - + 3 1 5 11128 102 IC102 BA3311L 6 7 9 NFL-INR-INNFL-OUT ALC

– 23 –XL-60H/70H Figure 23 BLOCK DIAGRAM (2/4)REC STEREOSDCECD+BP MUTEP-STB DICLDOFM ST SD1 2 34567CD LCNP605 TO CD SERVO PWB MOT SOL U_CON 5VD-GND

XL-60H/70H– 24 – Figure 24 BLOCK DIAGRAM (3/4)1 2 3 4 5 6 7 8 9 101112131415161718192021222324 2526272829303132949596979899100X7018MHzSEG6SEG5SEG4SEG3

– 25 –XL-60H/70H Figure 25 BLOCK DIAGRAM (4/4)1 2 3 4 5 6 7 8 9 101112131415161718192021222324 2526272829303132333435363738394041424344 45464748495051

XL-60H/70H– 26 –Figure 26 SCHEMATIC DIAGRAM (1/6)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 21.R3662.2KQ172KRC102 MC3721/50C3711/

– 27 –XL-60H/70HFigure 27 SCHEMATIC DIAGRAM (2/6)78 9 10 11 12R6343.3KL6010.3mHR6316.8 C6330.022Q609KRC107 MC693330PR43510KR43610KCNP65221R5281KR5291K

XL-60H/70H– 28 –Figure 28 SCHEMATIC DIAGRAM (3/6)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 21.C77347/16R7992.2KR72347KR7B247KR7B

– 29 –XL-60H/70HFigure 29 SCHEMATIC DIAGRAM (4/6)78 9 10 11 12R7851KR78647KR78947KCFW704121CNS70312111098765432BI70210987654321R7751KLCD701LCD DISPLAY

– 3 –XL-60H/70HSPECIFICATIONSXL-60H/70HCP-XL70HSpecifications for this model are subject to change withoutprior notice.CP-XL60HFOR A COMPLETE DESCRIPT

XL-60H/70H– 30 –• The numbers 1 to 17 are waveform numbers shown in page 36.ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 21.F

– 31 –XL-60H/70HFigure 31 SCHEMATIC DIAGRAM (6/6)78 9 10 11 12C8430.1R8632.2KIC804 LA6541D 302928272625242322212019181716151413121110987654321R8612.2K

XL-60H/70H– 32 –Figure 32 WIRING SIDE OF P.W.BOARD (1/4)ABCDEFGH123456MAIN PWB-A1HEADPHONESPWB-A5C109R141C125C111R107C107IC102 CNP703C113R101IC101 CNP

– 33 –XL-60H/70HFigure 33 WIRING SIDE OF P.W.BOARD (2/4)78 9 10 11 1212D709D708D707D706D705D704D703D702D701SW710 SW723 BI702C773C771IC702 R787R798R799

XL-60H/70H– 34 –Figure 34 WIRING SIDE OF P.W.BOARD (3/4)ABCDEFGH123456• The numbers 1 to 17 are waveform numbers shown in page 36.F3895AF1187151

– 35 –XL-60H/70HFigure 35 WIRING SIDE OF P.W.BOARD (4/4)78 9 10 11 12BRCOLOR TABLERD(R)ORYLGRBLVLGYWH(W)BKPKBROWNREDORANGEYELLOWGREENBLUEVIOLETGRAYWHI

XL-60H/70H– 36 –WAVEFORMS OF CD CIRCUITNO DISC FOCUS SEARCH STOP PLAYFOO1 TMAX 1IC802 48pin FO+ 2SBOK2IC804 26pinIC802 12pinFO- 3 DMO 3IC804 25pi

– 37 –XL-60H/70HTROUBLESHOOTINGWhen the CD does not functionWhen the CD section does not operate when the objective lens of the optical pickup is dirt

XL-60H/70H– 38 –Make sure that the disc is normal, and set the CD TEST MODE (STEP 1).Is the measured voltage as specified in circuit diagram?Check the

– 39 –XL-60H/70H• Laser failure.Is 0V applied to the pin 57 (SEL) of IC802 ?YesNoDoes the laser come on when pattern cut between pin 8 (SEL) ofIC801 a

XL-60H/70H– 4 –NAMES OF PARTSXL-60H/70H Front panel1. Timer Indicator2. Record Indicator3. Sleep Indicator4. (CD) Random Indicator5. (CD/TUNER) Memor

XL-60H/70H– 40 –• Focus servo sawtooth wave failure.Is +6.2V applied to the pins 1 and 30 (VCC) of IC804 ? Is sawtooh wave output to the pin 48 (FOO)

– 41 –XL-60H/70H• HF error.YesYesIs output (tracking error signal) obtained at the pins 46 (TEI)and 47 (TEZI) of IC802 the CD TEST MODE "STEP 4&q

XL-60H/70H– 42 –• Sled motor operation failure.YesYesIs following sled feed signal output the pin 53 (FMO) of IC802when FF/REW key is pressed after th

– 43 –XL-60H/70HFUNCTION TABLE OF ICIC401 VHiLC75342M-1: Function/Volume Equalizer (LC75342M)1 DI Serial data and clock input pin for control.2 CE Ch

XL-60H/70H– 44 –Figure 44 BLOCK DIAGRAM OF ICIC401 VHiLC75342M-1: Function/Volume Equalizer (LC75342M)67891011 12 13 1415 16 17 18 19 202122232425265

– 45 –XL-60H/70H1-4 COM3-COM0 Output LCD common output terminal.5-7 VLC3-VLC1 — LCD power supply terminal.8 VDD — Microcomputer power supply +5V.9 OSC

XL-60H/70H– 46 –FunctionTerminal NameInput/Output54 SEG46 P63/A3 Output Electric JOG dial UP.55 SEG45 P64/A4 Output Electric JOG dial DOWN.56 SEG44 P6

– 47 –XL-60H/70HIC801 VHiTA2109F/-1:Servo Pre Amp. (TA2109F)1 VCC — Power voltage terminal2 FNI Input Main beam amp input terminal3 FPI Input Main be

XL-60H/70H– 48 –IC802 VHiTC9462F/-1: Servo/Signal Control (TC9462F) (1/3)1* TEST0 Input Test mode terminal. To be opened usually.2* /HSO Output Playba

– 49 –XL-60H/70H39 AVDD — Analog system power terminal.40 RFCT Input RFRP signal center level input terminal.41 RFZI Input RFRP zero cross input termi

– 5 –XL-60H/70HCP-XL60HXL-60H/70HCP-XL70H124312431. Tweeter2. Woofer3. Bass Reflex Duct4. Speaker Wire1. Tweeter2. Woofer3. Bass Reflex Duct4. Speaker

XL-60H/70H– 50 –83 DVDD — D/A converting section power terminal.84 DVR — Reference voltage terminal.85 LO Output L channel data forward rotation outpu

– 51 –XL-60H/70HIC804 VHiLA6541D/-1: Focus/Tracking/Spin/Sled Driver (LA6541D)In this unit, the terminal with asterisk mark (*) is (open) terminal wh

XL-60H/70H– 52 –LCD701: RV-LX0007SJZZ LCD DisplayFigure 52 LCD SEGMENTPinNo123456789101112131415161718192021com1com1z1h1g1a1RECh2g2a2SLEEPh3g3a3RANDOM

XL-60H/70HPARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified ones for m

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONXL-60H/70H– 1 –XL-60H/70HINTEGRATED CIRCUITSIC101 VHIBA3126N/-1 J AF Head Selector

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONXL-60H/70H– 2 –C209 RC-GZA476AF1C J AB 47 µF,16V,ElectrolyticC211,212 VCKYTV1HB332K

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONXL-60H/70H– 3 –C861 VCKYPA1HB102K J AA 0.001 µF,50VC862 VCKYPA1HB222K J AA 0.0022

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONXL-60H/70H– 4 –R701 VRD-ST2CD103J J AA 10 kohm,1/6WR702 VRS-TV2AB103J J AA 10 kohm,

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONXL-60H/70H– 5 –SW718 QSW-K0002SJZZ J AC Switch,Key Type [SURROUND]SW721 QSW-K0002S

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONXL-60H/70HACCESSORIES/PACKING PARTS (For Europe)! QACCE0001SJZZ J AH AC Power Suppl

XL-60H/70H– 6 –OPERATION MANUAL1515Notes concerning use:● Replace the batteries if the operating distance isreduced or if the operation becomes errati

XL-60H/70HABCDEFGH123456Figure 7 CD MECHANISM EXPLODED VIEW– 7 –306-1701304701302301702303NM802703x2305x2NSW801NM801305PWB-C306-2306-3306704307XL-60H

XL-60H/70HFigure 8 CABINET EXPLODED VIEWABCDEFGH123456– 8 –Note: Only the unit and consumale parts are supplied as parts supply for the Tape mechanis

XL-60H/70H– 9 –Figure 9 SPEAKER EXPLODED VIEW (1/2)ABCDEFGH123456CP-XL60H706708705701709x4702SP601(L-CH)SP602(R-CH)SP603(L-CH)SP604(R-CH)707x4703704T

XL-60H/70H– 10 –Figure 10 SPEAKER EXPLODED VIEW (2/2)ABCDEFGH123456CP-XL70H709703SP603(L-CH)SP604(R-CH)SP601(L-CH)SP602(R-CH)705707x4708x4701704x4702

XL-60H/70HPACKING OF METHOD (FOR U.K. ONLY)Setting position of switches and knobsTape Mechanism STOPCassette Holder CLOSECD Lid CLOSE1. AC Power Suppl

– 7 –XL-60H/70HPlacing the system 10 cm (4")10 cm (4")20 cm (8")10 cm (4")32Putting batteries into the remote control 1Remove the

XL-60H/70H– 8 –1 Side Panel(Left/Right)1. Screw ... (A1) x8 8-12 Top Cabinet 1. Screw ... (B1) x1 8-12. Socket ...

– 9 –XL-60H/70HFigure 9-1Figure 9-2Figure 9-31 Speaker 1. Net Frame .... (A1) x1 9-42. Front panel ... (A2) x13. Screw .....