Sharp QT-CD121H Instrukcja Obsługi

QT-CD121– 1 –CONTENTSPageIMPORTANT SERVICE NOTES ...

QT-CD121– 10 –ABCDEFGH1234 56• The numbers 1 to 12 are waveform numbers shown in page 17.Figure 10 SCHEMATIC DIAGRAM (1/4)231C77910/16R77947LCD

QT-CD121– 11 –Figure 11 SCHEMATIC DIAGRAM (2/4)78 9101112• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.L8020.68µHCNS803CNP803BI803SW702PICKUP

QT-CD121– 12 –ABCDEFGH1234 56Figure 12 SCHEMATIC DIAGRAM (3/4)• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.R2334.7KR2344.7KC2010.0056(ML)C2

QT-CD121– 13 –78 9101112Figure 13 SCHEMATIC DIAGRAM (4/4)11.83V0V8V<3V><0.7V><0.1V>1155HEADPHONES PWB-A423184576R2334.7KR2344.7KC2

QT-CD121– 14 –Figure 14 WIRING OF P.W.BOARD (1/2)ABCDEFGH1234 56• The numbers 1 to 12 are waveform numbers shown in page 17.123456789101112BKWHW

QT-CD121– 15 –Figure 15 WIRING OF P.W.BOARD (2/2)78 9101112F3895AFC653C651C654C652D652D653D654D651CNS602SPEKERSSP502 SP501L-CHR-CHFM ROD ANTENNA(213)B

QT-CD121– 16 –NOTES ON SCHEMATIC DIAGRAM 1. Tuner( ): AM modeMarking except for ( ): FM mode2. CD( ): Play modeMarking except for ( ): Stop state

QT-CD121– 17 –WAVEFORMS OF CD CIRCUIT1135ms0.50 VIC801 20 F.E15ms5.0 VIC801 54 DRFSTOP PLAYFOCUS SERCH20.5ms1.00 V HF0.5ms5.0 V HFL0.5ms5.0 V T

QT-CD121– 18 –TROUBLESHOOTINGWhen the CD does not functionWhen the CD section does not operate When the objective lens of the optical pickup is dirty,

QT-CD121– 19 –Check the laser diode driver.• Playback can only be performed when a discis loaded.Does the DRF signal change from "L" to &qu

QT-CD121– 2 –FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFERTO THE OPERATION MANUAL.BEFORE RETURNING THE AUDIO PRODUCT(Fire &am

QT-CD121– 20 –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 12 and

QT-CD121– 21 –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 be in

QT-CD121– 22 –— M E M O —

QT-CD121– 23 –PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified ones f

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONQT-CD121– 1 –INTEGRATED CIRCUITSIC1 VHILA1186N/-1 J AE FM Front End,LA1186NIC2 VHIL

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONQT-CD121C834 VCTYPA1CU333M J AB 0.033 µF,16VC835 RC-GZA104AF1H J AB 0.1 µF,50V,Elect

PRICERANKDESCRIPTIONNO.PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONQT-CD121J201 QJAKM0007AWZZ J AF Jack,HeadphonesLCD701 RV-LX0001SJZZ J AH LCDM601 9G

QT-CD121– 27 –ABCDEFGH12 3 4 5 6Figure 4 CD MECHANISM EXPLODED VIEW701304 701302301702303M701703x2305x2SW702M702305PWB-B704306– 4 –

QT-CD121– 28 –ABCDEFGH12 3 4 5 6Figure 5 CABINET EXPLODED VIEW– 5 –NOTE: The parts of cassette mechanism which are supplied are only the

QT-CD121– 29 –PACKING OF THE SET• Setting position of switches and knobsTape Mechanism Control STOP STATETUNING LOWPOWER/FUNCTION OFF/TAPEX-BASS OFFSU

QT-CD121– 3 –NAMES OF PARTS1. Cassette Compartment2. CD Compartment3. Tuning Control4. (TAPE) Record Button: 5. (TAPE) Play Button: 6. (TAPE) Rewind B

QT-CD121– 30 –— M E M O —– 7 –

QT-CD121– 31 –— M E M O —– 8 –

QT-CD121– 32 –COPYRIGHT 1998 BY SHARP COPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval system

QT-CD121– 4 –1 Rear Cabinet 1. Screw ... (A1) x10 4-12. Socket ... (A2) x1 4-22 Top Cabinet 1. Knob ...

QT-CD121– 5 –CD MECHANISM SECTIONPerform steps 1, 2, 3 and 5 of the disassembly method toremove the CD mechanism.How to remove the pickup (See Fig. 5.

QT-CD121– 6 –MECHANISM SECTION• Driving Force CheckPLAY: TW-2412 Over 120 gTorque MeterSpecified Value• Torque CheckTorque MeterSpecified ValuePlay: T

QT-CD121– 7 –CD SECTIONSince this CD system incorporates the following automaticadjustment function, when the pickup is replaced, it is necessaryto re

QT-CD121– 8 –Figure 8 BLOCK DIAGRAM (1/2)6251374656395538543353321184221252038343536231~+5VFOCUS COILTRACKING COILPICKUP UNIT31019 23 2512171118124950

QT-CD121– 9 –Figure 9 BLOCK DIAGRAM (2/2)26233445551117788899266234561012131415151111171819121022232421205189612FM ROD ANTENNAF1B.P.FL1FM RFL3AM BA