Sharp CD-JX20X(GY) Service Manual
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Sharp CD-JX20X(GY) Service Manual

Sharp CD-JX20X(GY) Service Manual

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Summary of Contents for Sharp CD-JX20X(GY)

  • Page 1 INDEX TO CONTENTS...

  • Page 2: Specifications

    l General...

  • Page 3: Names Of Parts

    CD display section 1. Reverse Mode Switch 2. Timer Record Switch 2. Play indicator: w 3. FM Mode Switch 3. Track Number Indicator 4. Funcbon Selector Buttons 4. Minutes and Seconds lndlcator 5. Main Power Switch 5. MUSIC Schedule Indicators 6.

  • Page 4: Setting The Clock

    Aim (wIthIn the ranoe of 30” with no obstacles1 the remote control at the remofe control &nsar and operate as sh&n Notes concerning use: l Replace the batteries If control distance decreases or oper- l Exposmg the sensor on the ma,” un,t to strong light can the “...
  • Page 8 n Recording from the built-in radio BEAT CANCEL n Erasing recorded tapes n APSS spacing...
  • Page 9 To record radio programmes You can record a broadcasting station different from that to which you are listening. However, the band should be the same. Load a blank cassette tape into the TAPE 2 cassette corn- correct. n Timer operation To listen to the radio preset station on the remote control.
  • Page 10 Black Removing the CD mechanism Caution on Disassembly Follow the below-mentioned notes when disassembling ths Following the disassembling procedure, steps 1 and 2, remove unit and reassemblmg it, to keep its safety and excellent per- the CD mechanism. formance: 1. Take cassette tape and compact disc out of the unit. Removing the frame (with main/CD switch/function 2.
  • Page 11 Rear cabinet...

  • Page 12: Removing And Reinstalling The Main Parts

    FWD fl REV fiywheel Motor Motor mounting. Motor bracket board Switch PWB...

  • Page 13: Cd Mechanism Section

    H o w m e t a l Pinch roller roller spin 0 2 . 6 X8mm Tape Guide Tape I T a p e 2...

  • Page 15: Tuner Section

    CNP3...
  • Page 17 Since the adjusting procedure differs from that described in “ ADJUSTMENT PROCEDURES OF AUDIO PRODUCTS” , refer to the Service Manual. All the semivariable resistors must be set in the mechanical center position Test Stage Value/Adjusting Method Instrument Connecl~on Set TEST MODE 0. and move the oickuo to the center Set Test MODE 1 (make sure that the laser lamp Ilghts) heard.) Set TEST MODE 3 (Spin servo is turned on.

  • Page 18: Troubleshooting (Cd Section)

    of CNPBBf.~/ k the LCD PWB of CD. (Check the LD ON terminal of pin 9 of IC97f.) Check the +5 V line of pin 1 of CNPBBI. there +5 V at the a890 collector? Check between pin 17 of CNP851B and Q890 base. If OK, 0890 is defective. Is there +5 V at pin 5 of CNP700? k The PWB pattern between 0890 and pin 5 of CNP700 is damaged.
  • Page 19 0.3 - 1.5sec 0.3 - 1.5sec m u t i n g ) . C h e c k t h e connection between the pins 1 and a n d IC814. between the...
  • Page 20 r i g h t...
  • Page 27 External memory data ~nputlout~ External memory data input/output 4 Column address strobe signal 01 Jtput Output External memory address output Output External memory aoaress o” ,p” t 6 output External memory address output o- Output Error state up” , 2 output Cl decoder error detection = “...
  • Page 29 I----...

  • Page 30: Lcd Segment

    TOP VIEW TOP VIEW TOP VIEW TOP VIEW TOP VIEW FRONT VIEW 5 6 4 3 2 1 4 r - l FRONT VIEW E C B Figure 40 TYPES OF TRANSISTOR AND LED...

  • Page 31: Notes On Schematic Diagram

    1. Tuner To differentiate the units of resistors, such symbol as K and ( ): AM mode M are used, the symbol K means 1000 ohm and the symbol Marking except for ( ): FM mode M means 1000 kohm and the resistor without any symbol 2.
  • Page 33 NOTES ON SCHEMATIC DIAGRAM can be found on page 41. waveform numbers shown page Q Figure 45 SCHEMATIC DIAGRAM (115)
  • Page 37 •t...
  • Page 38 Figure 55 WIRING SIDE OF P.W.EJOARD (4/4)
  • Page 40 3. 9,H TO MAIN P 4 9 2 - B 0. 022 2. 2K 0. 022 NOTES ON SCHEMATIC DIAGRAM can be found an page 41 Figure 59 SCHEMATIC DIAGRAM (5/5)
  • Page 41 M 7 0 2 P W B -F]...
  • Page 42 DECK 1 MOTOR PULLEY...
  • Page 43 DECK 2 SOL 4 - 6 3 -...

  • Page 45: Replacement Parts List

    REPLACEMENT PARTS LIST To have your order filled promptly and correctly, please furnish the following information. 1. MODEL NUMBER 2. REF. NO. 3. PART NO. 4. DESCRlPTlON Parts marked with “ ,&,” are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
  • Page 46 DESCRIPTION REF.NO. CODE REF.NO. PART NO. DESCRIPTION CODE PART NO. D104 RVR-Ml002AFZZ J 47 kohms (B),Semi-VR D108 [FM Autostop Sens.] RVR-M0997AFZZ J 5 kohms (B),Semi-VR VR251 [Tape Speed] RVR-P0167AFZZ J 100 kohm (A), [BASS] k o h m ( ) , [ V O L U M E J Silicon,lSSl33 VR700...
  • Page 47 DESCRIPTION CODE REF.NO. PART NO. DESCRIPTION CODE PART NO. C262 C282 J 4.7 ,uF,25V,Electrolytic C283 RC-GZA105AF 1H J 1 ~F,SOV,Electrolytic C284 RC-GZA107AF 1A J 100 ~F,lOV,Electrolytic c291 RC-GZA105AF 1H J 1 pF,50V,Electrolytic Polypropylene RC-GZA224AF IH J 0.22 ~F,50V,Electrolytic RC-GZAI 05AFlH J 1 ~F,50V,Electrolytic RC-GZA225AF IH J 2.2 pF,50V,Electrolytic RC-GZAP 2 7AF 1A J 220 ~F,lOV,Electrolytic c313...
  • Page 48 REF.NO. DESCRIPTION PART NO. CODE REF.NO. PART NO. DESCRIPTION CODE R C - G Z A I 06AFlC J 10 pF,16V,Electrolytic c592 RC-GZ005 1AFZZ J 4700 ,uF,POV,Electrolytic caa3 J 0.001 ,uF,5OV C884 RC-GZAI 0 6AF IC J 10 pF,16V,Electrolytic RC-GZA107AF 1A J 100 pF,lOV,Electrolytic C887 C652 C653...
  • Page 49 PART NO. DESCRIPTION REF.NO. PART NO. CODE DESCRIPTION CODE R139 J 100 ohm,l/6W R271 J 1.8 kohms,1/8W R141 J 3.3 kohms,l/6W R272 J 100 kohm,l/8W R142 J 3.3 kohms,l/8W R273 J 1.8 kohms,l/dW R143 J 100 kohm,l/8W J 2.2 kohms,l/8W R274 J 2.2 kohms,l/6W J 47 kohms,l/aW...
  • Page 50 DESCRIPTION CODE PART NO. DESCRIPTION CODE REF.NO. PART NO. J 15 kohms,l/8W R706 J 100 kohm,l/8W J 10 kohm,l/8W R707 J 2.2 ohms,l/aW J 100 kohm,l/8W R710 J 330 kohms,l/8W R509 J 100 ohm,l/8W R711 J 10 kohm,l/8W R712 J 22 kohms,l/8W J 27 kohms,l/8W J 2.2 kohms,l/bW R713...
  • Page 51 PART NO. CODE PART ND. PART ND. PART NO. SW859 J Spr!ng,Cam Trigger Arm T A P E LENGTH1 SW860 J Cam Gear,FF/REW Q S W - K O 1 7 2 A F Z Z J Switch.Key Type OTHER CIRCUITRY PARTS J Arm.Trigger Cassette1 J Swltch,Key Type...
  • Page 52 T iNSZ1203AFLZ J Operation Manual J Spring.Battery,+/-,“D” J Label feature,Tape 1 J Spring,Battery,-,“D”Slze H o l d e r , J Label.Feature.Speaker Printed in Japan Tape 1 Writer and Editor: Quality & Reliability Control Center of Audio Systems Group, Sharp Corp.

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