Sharp QT-CD110H Скачать руководство пользователя страница 16

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QT-CD111H/110H

– 16 –

Figure 16 WIRING OF P.W.BOARD (1/2)

• The numbers

are waveform numbers shown in page 18.

WH
WH
WH
WH

BR
GY
GY
GY
GY
GY

BR
BK
BK
BK
BK
BK
BK
BK

VOLUME

SW203
X-BASS

SW201

FUNCTION

FM AUTO

TAPE

OFF

POWER

1 2 3

1
2
3

AM BAR ANTENNA

TC1

TC2

TC3

TC4

VC4

VC3

VC2

VC1

MAIN PWB-A1

R228

R227

FW202

J201

HEADPHONES

C108

C110

C848

C844

C843

C867

C873

C889

C846

C819

C817

C818

C231

C229

C120

C119

C123

C234

C122

C118

C114

C112

C111

C109

C113

C107

C116

C106

C352

C354

C105

C117

C222

C221

Q202

C220

C219

C223

C224

C704

C216

X701

XL801

C868

C890

C213

C214

C217

C218

C226

C233

C232

C887

R229

C215

Q804

Q351

C820

C869

C870

C705

C301

C302

C121

C230

C225

C701

C702

C115

C351

C353

R102

R108

R110

R840

R810

R877

R878

R824

R825

R124

D103

R118

R109

R101

R107

R116

R105

D101

R117

R458

L802

R874

R304

C304

C303

R216

R215

R222

R221

R123

R119

R842

R830

R714

R219

R115

R121

R113

R776

R772

R773

R774

L801

ZD801

R457

R456

R455

R708

R715

R736

R724

R727

D201

D202

R302

R771

R822

R823

R839

R831

R873

R880

R875

R876

R713

R709

R711

R710

R220

R351

D102

R125

R104

R103

R120

R114

R106

R354

1
2

R353

R352

R122

IC802

SW102

CNP101

IC101

IC202

FW701

CNP201

LCD701

BI801

C227

L301

CNP602

IC203

SW774

SW773

SW772
STOP

SW771
PLAY

VR201

IC804

C807

C35

C27

C34

C15

C14

C29

C11

C46

C36

C22

C24

C25

C23

C37

C33

C32

C17

C20

C26

C21

C837

C845

C850

C840

C802

C801

C803

C804

C806

C814

C812

C816

C832

C741

Q740

Q805

CF1

C38

C10

C39

C28

C31

C16

C838

C839

C847

C841

C833

C851

C810

C815

C811

C849

C809

C808

C813

C805

C831

C830

C822

C740

C834

C842

C835

C821

R808

R811

R809

R829

R806

R807

R15

R13

R16

R14

R11

R29

R27

R802

R871

R801

R805

R827

R826

R814

R817

R832

R833

R745

R744

D741

R743

R25

R38

D308

D309

R721

R730

R734

R17

R849

R836

R838

R857

R856

R816

R834

R835

R837

R803

R804

R812

R813

R815

R828

R819

R820

R821

R858

R860

D740

R740

R741

R742

R725

R716

R718

R735

R733

R719

R732

R720

R731

R722

R729

R723

R728

R726

D802

IC801

2 3 4

5 6 7

8 9

FW701

CNS802

BI802

IC2

VR1

BI803

CNS803

IC701

IC1

CF2

2
3
4
5

1
2
3
4
5

1 2 3 4 5 6 7 8 9

10 11 12

15 14 13

18 17 16

21 20 19

24 23 22

1 2 3 4 5 6 7 8 9

10 11 12 13

HEADPHONES PWB-A4

CD LID

OPEN/CLOSE

SW761

SWITCH PWB-A2

CNS801

7
8

1 2 3

1 2 3 4

P.B REC

33 32

TRACK UP/CUE

TRACK DOWN/

REVIEW

33 32

VCO

COR1

E
C
B

B C E

E C B

B C E

E C B

Q201

R223

R224

C228

R225

Содержание QT-CD110H

Страница 1: ...of user safety the set should be restored to its original condition and only parts identical to those specified should be used QT CD111H QT CD110H SERVICE MANUAL SHARP CORPORATION No S6844QTCD111H This document has been published to be used for after sales service only The contents are subject to change without notice Note for users in UK Recording and playback of any material may require consent ...

Страница 2: ...sure 111H For UK 111H Except for UK 110H Laser Diode Properties Material GaAIAs Wavelength 780 nm Emission Duration continuous Laser Output max 0 6 mW LASER KLASSE 1 LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT CAUTION INVISIBLE LASER RADIATION WHEN OPEN DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS VARNING OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD STIRRA EJ IN I STRALEN OCH BE...

Страница 3: ... flitter 0 25 WRMS 111H For UK Motor DC 12 V electric governor Bias system AC bias Erase system Magnet erase Compact disc player Disc Compact disc Signal readout Non contact 3 beam semi conductor laser pickup Audio channels 2 Quantization 16 bit linear quantization Filter 4 tims oversampling digital filter D A converter 1 bit D A converter Wow and flutter Unmeasurable less than 0 001 W peak Specif...

Страница 4: ...ject Button 11 CD Play Indicator 12 CD Track Number Indicator 13 CD Repeat Indicator 14 Volume Control 15 Stand by On Function Selector Switch 16 Extra Bass Button X BASS 17 CD Track Down Review Button 18 CD Track Up Cue Button 19 CD Stop Button 20 CD Play Repeat Button 21 FM Telescopic Rod Aerial 22 Headphones Socket 23 Battery Compartment 24 AC Power Input Socket 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

Страница 5: ...ly plug from the wall outlet before starting to disassemble the unit 3 Take off nylon bands or wire holders where they need be removed when disassembling the unit After servicing the unit be sure to rearrange the leads where they were before disassembling 4 Take suffcient care on static electricity of integrated circuits and other circuits when servicing STEP REMOVAL PROCEDURE FIGURE Figure 5 4 Fi...

Страница 6: ...chanism How to remove the pickup See Fig 6 1 Remove the screws A1 x 2 pcs to remove the shaft A2 x1 pc 2 Remove the stop washer A3 x1 pc to remove the gear A4 x 1 pc 3 Remove the pickup Figure 6 REMOVING AND REINSTALLING THE MAIN PARTS A1 x2 2 6 x6mm Stop Washer A3 x1 CD Mechanism Gear A4 x1 Shaft A2 x1 Pickup ...

Страница 7: ...ad resistance 8 ohms AM IF RF IF T3 Input Antenna Output Pin 19 of IC2 Band Coverage fL L4 Input Antenna fH TC4 Output Speaker Tracking 600 kHz L3 Terminal CNP201 1 400 kHz TC3 Load resistance 8 ohms Test Stage Specified Value Adjusting Point Instrument Connection VCO Frequency Specified Value Instrument Connection VR1 76 kHz 200 Hz Pin 13 pin 21 and ground of IC2 Adjusting Point Note After prepar...

Страница 8: ...ile in the stop mode the laser will simply be turned on at first b If the laser is lit and the PLAY button is pressed again playback will start from the current pickup position c If the STOP button is pressed playback will stop When pressed again the laser will be turned off a Each time the PAUSE button is pressed during playback the tracking servo will be turned on or off Note If the PLAY button ...

Страница 9: ...ithout any symbol is an ohm resistor The resistor designated Fusible is a fuse type resistor Capacitor To indicate the unit of capacitor a symbol P is used this symbolPmeansmicro micro faradandtheunitofthecapacitor withoutsuchasymbolismicrofarad Astoelectrolyticcapacitor the expression capacitance withstand voltage is used CH TH RH UJ Temperature compensation ML Mylar type P P Polypropylene type T...

Страница 10: ... 24 27 28 31 30 60 41 44 33 22 23 37 CD LCD LCD701 PICKUP IN PU IN SW 19 13 14 SL SL 7 4V CD 1 2 3 4 5 6 7 GND A R CH L CH GND D POWER GND MUTE 7 4V D SECTION MAIN TO VVDD XIN XOUT VDD XVDD EFMO EFMIN CLV CLV V P HFL TES TOFF JP JP TGL RES CQCK COIN SQOUT RWC WRQ LCHO LC78622E IC802 SERVO SIGNAL CONTROL 16 93MHz XL801 SLI SLC CV JP DRF CE DAT CL CLK THLD DEF SLD SLEO SPO FD TO SL SL F E FIN1 FIN2 ...

Страница 11: ...P501 L CH SPEAKERS SP502 R CH SO651 SW201 C POWER FUNCTION AM FM SELECT B FM B SW201 D POWER FUNCTION RADIO TAPE REC POWER FUNCTION SW201 A B CD EC PB SW102 A F P B REC IC101 EQULIZER AMP BA331IL REC REC P B P B P B L R L R SW102 REC PB B D REC PB SW102 C E L CH REC PB HEAD R CH AUDIO GND 7 4V B2 DIGITAL GND POWER GND FROM CD SECTION R CH ERASE HEAD SW102 H REC PB BIAS OSC C201 L201 SW102 G REC PB...

Страница 12: ... SQOUT WRQ PU IN DIGITAL GND 5V B B B B B SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0 P00 P01 P02 P10 POWER IN D1 MUTE D4 COCK D3 RES D5 COIN D6 RWC D7 SL D8 SL DFR P20 SQOUT P21 WRQ P22 PU IN P23 RESET XIN XOUT VSS VDD XCOUT XCIN AVSS VREF P30 P31 P32 P33 P3P40 AIN5 SIMUKE AIN6 KIDSW AIN7 VLC3 VLC2 VLC1 COM3 COM2 COM1 COM0 SEG16 VCC1 LDS LDD BH1 PH1 LF2 VR REFI VCC2 FSS DR...

Страница 13: ... 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 15 16 33 34 33 34 35 36 37 38 39 41 40 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 47 48 0V 3 5V 3 5V 2 5V 2 5V 7 4V 7 4V 0V 0V 2 7V 3 8V 3 2V 3 5V 3 5V 2 5V 0V 0V 0V 0V 2 5V 2 5V 3 8V 3 2V 0V 4 8V 7 4V 5 5V B AUDIO GND POWER GND DIGITAL GND DIGITAL 7 4V L CH R CH B B B B B B B LD VR PD GND FO FO TR TR PD VR LD E K C B A ...

Страница 14: ... 022 C21 0 022 C20 0 022 T3 CF2 C26 22 16 SW201 A CD R16 10K R13 3 3K R14 3 3K R15 10K C33 1 50 C34 1 50 R38 1 8K 0 015 C32 C31 0 015 R17 68 C36 0 022 R121 1K D103 1N4148 R122 1K C123 100 10 C121 0 01 C122 0 01 D101 1N4148 D102 1N4148 D202 1N4148 R120 3 3K R119 3 3K C119 2 2 50 C120 47 16 R125 680K R118 3 9K C115 0 018 ML C117 10 16 R117 3 9K R115 3 9K R113 8 2K C118 10 16 R116 3 9K R114 8 2K IC10...

Страница 15: ... 15 50 C303 0 15 50 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 M 1 2 3 1 2 3 1 2 2 R228 120 J201 HEADPHONES R225 100K R223 4 7K Q201 2SC1815GR Q202 2SC1815GR R224 4 7K R304 1 8K R302 1 8K B B B BATTERYS DC12V D size UM SUM 1 R20 or HP2 battery x 8 B B B B R CH L CH SPEAKERS VOLUME 241 7 MAIN 241 6 TAPE MOTOR TERMINAL PWB A3 X BASS R P TAPE AM FM AUTO CD CD FM AUTO AM TAPE OUT IN X VCO 76kHz AC INPUT MAIN...

Страница 16: ...I801 C227 L301 CNP602 IC203 SW774 SW773 SW772 STOP SW771 PLAY VR201 1 7 29 30 8 14 15 21 22 28 IC804 C807 C35 C27 C34 C15 C14 C29 C11 C46 C36 C22 C24 C25 C23 C37 C8 C5 C6 C33 C32 C17 C20 C26 C21 C837 C845 C850 C840 C802 C801 C803 C804 C806 C814 C812 C816 C832 C741 Q740 Q805 CF1 C38 C10 C39 C9 C4 C28 C31 C2 C16 C838 C839 C847 C841 C833 C851 C810 C815 C811 C849 C809 C808 C813 C805 C831 C830 C822 C74...

Страница 17: ...D BK 4 3 2 1 BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK T601 POWER TRANSFORMER 236 211 BATTERYS DC12V D SIZE UM SUM 1 R20 or HP2 battery 8 YL TAPE MOTOR 241 6 M601 TAPE MAIN 241 7 SW601 CNS201 1 2 3 WH BK RD 2 1 SPENDLE MOTOR PICKUP IN M701 SLED MOTOR M702 CNP803 SW702 1 2 3 4 5 6 5 4 3 2 1 7 8 6 5 4 3 2 1 PICK UP UNIT CD MOTOR ...

Страница 18: ...10 0 V JP 0 5ms 10 0 V JP 0 5ms 0 50 V JP 0 5ms 1 00 V TE 6 7 9 8 6 7 9 8 50ms 10 0 V JP CUE 50ms 10 0 V JP 50ms 0 50 V JP 50ms 1 00 V TE 6 7 9 8 6 7 9 8 11 10 11 10 12 12 REVIEW 50ms 10 0 V JP 50ms 10 0 V JP 50ms 0 50 V JP 50ms 1 00 V TE 0 5ms 10 0 V JP 0 5ms 10 0 V JP 0 5ms 0 50 V JP 0 5ms 1 00 V TE PLAY 20ms 1 00 V SPO NORMAL DISC TN0 01 20ms 2 00 V CLV PLAY TCD 712 140mm TN0 01 50ms 1 00 V SPO...

Страница 19: ... amount of isopropyl alcohol Do not touch the lens with the bare hand See if the pick up is in the pick up in SW702 position If the items mentioned above are OK check the main microcomputer IC701 Yes Yes The CD function will not work The CD operating keys don t work Check the CD DPS microcomputer IC701 power supply 4 19 MHz and 16 93 MHz clock and reset terminal Check the waveform of SCK SO DATA a...

Страница 20: ...0 5µsec DIV DC When playing back the disc Waveform in case of normal play back 3 2 1 4 0 5s 1 00 V IC801 16 FD 0 5s 10 0 V IC801 12 CLV 0 5s 10 0 V IC801 54 DRF 0 5s 2 00 V IC801 7 TE Check the tracking system Check the tracking system Check waveform of IC801 pin 7 TE Check the periphery of IC801 pin 8 to pin 15 and IC804 to BI801 CNS801 Tracking servo is inoperative The waveform shown in Fig 20 3...

Страница 21: ...nd 10 Error Yes Check PDO waveform Fig 21 Checking the VCO PLL system Play operation is performed when disc exits Yes Although HF waveform is normal TOC data cannot be read Figure 21 2 3 0 5s 1 00 V IC802 3 PDO 0 5s 1 00 V IC801 16 FD As VCO freque ncy is locked at 4 32 M Hz voltage of PDO rises and stabili zes Stop Play Check IC802 pins 37and 40 Check the periphery of IC803 OPAMP Abnomal Usually ...

Страница 22: ...mand 17 P20 DRF Input Output Used to receive 4 bits at a time 18 P21 SQOUT Input Output Used to receive 4 bits at a time 19 P22 WRQ Input Output Used to receive 4 bits at a time 20 P23 PU IN Input Output Used to receive 4 bits at a time 21 RESET Input Output Reset pulse input output terminal When a reset is caused by the watch dog timer an L level will be output The output is an N channel open dra...

Страница 23: ...r Supply Cord QACCB0001SJ00 2 Polyethylene Bag Unit SSAKH0001SJZZ 3 Packing Add Left Right SPAKA0001SJZZ 4 Packing Case SPAKC0005SJZZ 5 Operation Manual TiNSE0002SJZZ 6 Polyethylene Bag AC Power Supply Cord SSAKK0002SJZZ 7 Warranty Card TCADN0001SJZZ 8 Feature Label TLABE0004SJZZ 9 Label Bar Code TLABE0001SJZZ 10 Polyethylene Bag Accessories SSAKK0001SJZZ FRONT FRONT 2 5 7 8 11 9 3 10 4 6 1 ...

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