Sharp QT-CD131H Wartungshandbuch

QT-CD131/131C– 1 –Illustration: QT-CD131CONTENTSPageIMPORTANT SERVICE NOTES (FOR QT-CD131 ONLY)...

QT-CD131/131C– 10 –Figure 10 BLOCK DIAGRAM (2/3)651822345671011125189612IC202LA4597POWER AMP.LVOLUMEX-BASSSW203A,BVR201A,BSTANBYR213IC203KIA7808PVOLTA

QT-CD131/131C– 11 –Figure 11 BLOCK DIAGRAM (3/3)X INFM IN X OUT VSS AM IN IF IN VTAM MIX OUTX14.5MHzDOUTDATACLOCK PERIDOOF1 CF2 AM IF INAM O

QT-CD131/131C– 12 –ABCDEFGH1234 56• The numbers 1 to 12 are waveform numbers shown in page 21.Figure 12 SCHEMATIC DIAGRAM (1/6)SW761CD LIDOPEN/C

QT-CD131/131C– 13 –Figure 13 SCHEMATIC DIAGRAM (2/6)78 9101112• NOTES ON SCHEMATIC DIAGRAM can be found on page 8.L8020.68µHR8714.7KC8454.7/50C8500.1

QT-CD131/131C– 14 –ABCDEFGH1234 56Figure 14 SCHEMATIC DIAGRAM (3/6)• NOTES ON SCHEMATIC DIAGRAM can be found on page 8.R1512.2KSW201-B R1522.2KSW201-A

QT-CD131/131C– 15 –78 9101112Figure 15 SCHEMATIC DIAGRAM (4/6)R1512.2K522KR21822KR21722KSW201-D 3 2 1 3 2 1 SW601(241-7)MAIN SWM M601(241-6)TAPE MOT

QT-CD131/131C– 16 –ABCDEFGH1234 56Figure 16 SCHEMATIC DIAGRAM (5/6)• NOTES ON SCHEMATIC DIAGRAM can be found on page 8.8 7 3 2 6 5 4 9 1 C120.022R410C

QT-CD131/131C– 17 –78 9101112Figure 17 SCHEMATIC DIAGRAM (6/6)SEG10SEG26SEG25SEG24SEG23SEG22SEG21SEG20SEG19SEG18SEG17SEG16SEG15SEG14SEG13SEG12SEG11SEG

QT-CD131/131C– 18 –Figure 18 WIRING OF P.W.BOARD (1/3)ABCDEFGH1234 56• The numbers 1 to 12 are waveform numbers shown in page 21.IC801 C818C819C81

QT-CD131/131C– 19 –Figure 19 WIRING OF P.W.BOARD (2/3)78 9101112F3895AFD652D654C651D651D653C653C652C654CNS602SPEKERSSP502 SP501L-CHR-CHFM ROD ANTENNA(

QT-CD131/131C– 2 –FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFERTO THE OPERATION MANUAL.BEFORE RETURNING THE AUDIO PRODUCT(Fir

QT-CD131/131C– 20 –Figure 20 WIRING OF P.W.BOARD (3/3)ABCDEFGH1234 56R521R525R523 R524R519R518R515 R517R516SW503TUNERUP SW502TUNERDOWN SW504MEMORY SW5

QT-CD131/131C– 21 –WAVEFORMS OF CD CIRCUIT1135ms0.50 VIC801 20 F.E15ms5.0 VIC801 54 DRFSTOP PLAYFOCUS SERCH20.5ms1.00 V HF0.5ms5.0 V HFL0.5ms5.

QT-CD131/131C– 22 –TROUBLESHOOTING (CD SECTION)When the CD does not functionWhen the CD section does not operate When the objective lens of the optica

QT-CD131/131C– 23 –Check the laser diode driver.• Playback can only be performed when a discis loaded.Does the DRF signal change from "L" t

QT-CD131/131C– 24 –The turntable fails to rotate or rotates at high speed.YesCheck the periphery of IC801 pins 23 to 27, pin 39 and pin 40,IC802 pin 1

QT-CD131/131C– 25 –1* P03 MTCONT2 Input/Output Used to input or output 4 bits at a time. When the output latch is set to "1", the unit will

QT-CD131/131C– 26 –— M E M O —

QT-CD131/131C– 27 –PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified o

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONQT-CD131/131C– 1 –INTEGRATED CIRCUITSIC1 VHITA7358AP-1 J AG FM Front End,TA7358APIC

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONQT-CD131/131CC352 RC-GZA227AF1A J AB 220 µF,10V,ElectrolyticC353 VCQYKA1HM223K J AB

QT-CD131/131C– 3 –NAMES OF PARTS1. Cassette Compartment2. CD Compartment3. (TAPE) Record Button: 4. (TAPE) Play Button: 5. (TAPE) Rewind Button: 6. (T

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONQT-CD131/131CR711 VRD-ST2CD272J J AA 2.7 kohms,1/6WR713 VRD-ST2CD102J J AA 1 kohm,1

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONQT-CD131/131C227 JBTN-0005SJSA J AC Button,Play228 JBTN-0006SJSA J AC Button,Rec229

QT-CD131/131CABCDEFGH123456Figure 5 CD MECHANISM EXPLODED VIEW– 5 –701304 701302301702303M701703x2305x2SW702M702305PWB-C704306

QT-CD131/131CABCDEFGH123456Figure 6 CABINET EXPLODED VIEW– 6 –NOTE: The parts of cassette mechanism which are supplied are only the unit and consumabl

QT-CD131/131CPACKING OF THE SET (FOR QT-CD131 ONLY)• Setting position of switches and knobsTape Mechanism Control STOP STATETUNING LOWPOWER/FUNCTION O

QT-CD131/131C– 8 –— M E M O —

QT-CD131/131CCOPYRIGHT 1998 BY SHARP COPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval system,

QT-CD131/131C– 4 –1 Rear Cabinet 1. Screw ... (A1) x10 4-12. Socket ... (A2) x2 4-22 Top Cabinet 1. Knob ...

QT-CD131/131C– 5 –CD MECHANISM SECTIONPerform steps 1, 2, 3 and 6 of the disassembly method toremove the CD mechanism.How to remove the pickup (See Fi

QT-CD131/131C– 6 –MECHANISM SECTION• Driving Force CheckPLAY: TW-2412 Over 120 gTorque MeterSpecified Value• Torque CheckTorque MeterSpecified ValuePl

QT-CD131/131C– 7 –CD SECTIONSince this CD system incorporates the following automaticadjustment function, when the pickup is replaced, it is necessary

QT-CD131/131C– 8 –NOTES ON SCHEMATIC DIAGRAM 1. Tuner( ): AM modeMarking except for ( ): FM mode2. CD( ): Play modeMarking except for ( ): Stop s

QT-CD131/131C– 9 –Figure 9 BLOCK DIAGRAM (1/3)6251374656395538543353321184221252038343536~+5VFOCUS COILTRACKING COILPICKUP UNIT31019 23 25121711181249