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Sharp CD-MPS900 Service Manual

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Table of Contents

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See also: Operating Manual
[1]
Specifications ......................................... . ....... 1-1
[2]
Names of parts ....................................... . ....... 1-2
CHAPTER 2. ADJUSTMENTS
[1]
Mechanism section ................................ . ....... 2-1
[2]
Tuner section ......................................... . ....... 2-1
[3]
TEST MODE .......................................... . ....... 2-2
[4]
CD section.............................................. . ....... 2-4
[5]
CD Changer mechanism section ........... . ....... 2-5
CHAPTER 3. MECHANISM BLOCKS
[1]
Caution on diassembly........................... . ....... 3-1
[2]
CHAPTER 4. DIAGRAMS
[1]
Block diagrams....................................... . ....... 4-1
[1]
Notes on schematic diagram.................. . ....... 5-1
[2]
Types of transistor and LED................... . ....... 5-1
[3]
Waveforms of CD circuit ........................ . ....... 5-2
[4]
Voltage ................................................... . ....... 5-3
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.
SERVICE MANUAL
CONTENTS

SHARP CORPORATION

MINI COMPONENT SYSTEM
MINI COMPONENT SYSTEM
CD-MPS900
MODEL
CD-MPS900 Mini Component System consisting of CD-MPS900
(main unit) and CP-MPS900 (speaker system).
MINI COMPONENT SYSTEM
MODEL
CD-MPS99 Mini Component System consisting of CD-MPS99
(main unit) and CP-MPS99 (speaker system).
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
[1]
Schematic diagram ........................................6-1
[2]
Wiring side of PWB...................................... 6-11
[1]
Troubleshooting .............................................7-1
[1]
Function table of IC .......................................8-1
[2]
FL Display....................................................8-10
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-MPS900/CD-MPS99
No. S4414CDMPS900

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  • Page 1: Table Of Contents

    SERVICE MANUAL No. S4414CDMPS900 MINI COMPONENT SYSTEM MINI COMPONENT SYSTEM CD-MPS900 MODEL CD-MPS900 Mini Component System consisting of CD-MPS900 (main unit) and CP-MPS900 (speaker system). MINI COMPONENT SYSTEM CD-MPS99 MODEL CD-MPS99 Mini Component System consisting of CD-MPS99 (main unit) and CP-MPS99 (speaker system).
  • Page 2 CD-MPS900/CD-MPS99 IMPORTANT SERVICE NOTES BEFORE RETURNING THE AUDIO PRODUCT BEFORE RETURNING THE AUDIO PRODUCT (Fire & Shock Hazard) Before returning the audio product to the user, perform the following safety checks. VTVM 1. Inspect all lead dress to make certain that leads are not pinched or...

  • Page 3: Chapter 1. General Description Specifications

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 1. GENERAL DESCRIPTION [1] Specifications FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. CD-MPS900/CD-MPS99 General Tuner Power source AC 120 V, 60 Hz Frequency range FM: 87.5 - 108.0 MHz...

  • Page 4: Names Of Parts

    CD-MPS900/CD-MPS99 [2] Names of parts CD-MPS900/CD-MPS99 Front panel 1. Disc Trays 2. Timer Indicator 3. Power On/Stand-by Button 4. Disc Track Up or Fast Forward, Tape 2 Fast Forward, Tuner Preset Up, Time Up Button 5. Clock/Timer Button 6. Tuning Up Button 7.
  • Page 5 CD-MPS900/CD-MPS99 CD-MPS900/CD-MPS99 Remote control 1. Remote Control Transmitter 2. Disc Number Select Buttons 3. Clock/Timer Button 4. Character Input/Disc Direct Search Buttons 5. MP3 Disc Navigation Mode Select Button 6. Enter Button 7. Memory/Set Button 8. Tape 2 Record Pause Button 9.

  • Page 6: Mechanism Section

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 2. ADJUSTMENTS • FM RF Signal generator: 1 kHz, 40 kHz dev., FM modulated [1] Mechanism section Test Frequency Frequency Setting/ Instrument Stage Display Adjusting Connection • Driving Force Check Point FM Band —...

  • Page 7: Test Mode

    CD-MPS900/CD-MPS99 [3] TEST MODE • Setting the test mode During stand-by mode, press ON/STAND-BY button while pressing down the button and X-BASS/DEMO button. then, press the CD button to enter the test mode. T E S T IL isn’t done OPEN/CLOSE operation is using manual.
  • Page 8 CD-MPS900/CD-MPS99 <<MEMORY>> key input. Laser ON. <<MEMORY>> key input. Tracking OFF play at that specific point. <<MEMORY>> key input. Tracking ON play from that specific point. <<MEMORY>> key input. Adjustment result automatically will display as below for each 2 sec : a) "FOF_XXXX"...

  • Page 9: Cd Section

    CD-MPS900/CD-MPS99 [4] CD section CD Error code description Error Explanation When Pickup set inner position, inner switch cannot detect 'ON' level for 10 secs. CAM error. Can't detect CAM switch when CAM is moving. When it detect cam operation error during initialize pro- cess.

  • Page 10: Cd Changer Mechanism Section

    CD-MPS900/CD-MPS99 [5] CD Changer mechanism section • A number in the drawing sheet is the number of the parts guide (CHANGER MECHANISM PARTS). HALF GEAR MUST ARRANGE AS SHOWN 2 – 5...
  • Page 11 CD-MPS900/CD-MPS99 APPLY SANKOL BEFORE FIX FIX ITEM 1 ACCORDING TO THE SHOWN PICTURE ABOVE ROTATE MODE BIG GEAR UNTIL REACH AS SHOWN IN PICTURE 2 – 6...
  • Page 12 CD-MPS900/CD-MPS99 APPLY GREASE PULL THE LEVER UNITIL REACH THE ARROW MARK 2 – 7...
  • Page 13 CD-MPS900/CD-MPS99 FIGURE 2 FIGURE 1 APPLY GREASE SLOT CLAMP SW ARM INSIDE BASE SLOT 2 – 8...
  • Page 14 CD-MPS900/CD-MPS99 APPLY GREASE AT BOTTOM SIDE OF GEAR FOLLOW MARKING NO NEED APPLY GREASE AT BOTTOM SIDE APPLY GREASE AT TOP SIDE OF GEAR FOLLOW MARKING OTHER THAN FIGURE 1 DIRECTION ALL N.G BLACK MARK FIGURE 1 2 – 9...
  • Page 15 CD-MPS900/CD-MPS99 APPLY GREASE AT HALF GEAR AREA ROTATE CLOCKWISE UNTIL REACH HERE (MAXIMUM) 2 – 10...
  • Page 16 CD-MPS900/CD-MPS99 CHANGE COLOR TO BLACK 2 – 11...
  • Page 17 CD-MPS900/CD-MPS99 TRAY BIG GEAR MUST FREE FROM GREASE THE SHOWN AREA CHANGE COLOR TO BLACK O . K GREASE APPLICATION LENGTH GREASE APPLICATION PORTION N . G TRAY BIG GEAR CHANGE COLOR TO BLACK SHOWN HOLE MUST FACING ARROW DIRECTION...
  • Page 18 CD-MPS900/CD-MPS99 APPLY GREASE AT BOTTOM SIDE ONLY TR-RE JOINT GEAR C APPLY GREASE ONLY AT TOP SIDE GEAR MUST FIX ACCORDING TO THE HOLE'S 2 – 13...
  • Page 19 CD-MPS900/CD-MPS99 2 – 14...
  • Page 20 CD-MPS900/CD-MPS99 APPLY GREASE WHEN FIXING ITEM 2 MUST FOLLOW AS SHOWN 2 – 15...
  • Page 21 CD-MPS900/CD-MPS99 FIGURE 1 FIGURE 2 APPLY GREASE APPLY GREASE SC141 FIGURE 3 2 – 16...
  • Page 22 CD-MPS900/CD-MPS99 ITEM 2 , 3 MUST APPLY GREASE ON TOP SIDE GEAR ONLY GEAR 112 GEAR 112 O . K N . G TOP VIEW AFTER FIX REVERSE N.G ASSY 2 – 17...
  • Page 23 CD-MPS900/CD-MPS99 APPLY GREASE BEFORE FIX MOVE 112 UNTIL TOUCH THE WALL DURING GEAR A ROTATE MUST PRESS SHOWN AREA AND LEVER B WILL MOVE ARROW DIRECTION THEN FIX PART 108 SCREW TORQUE +0.5 kgf-cm 803 x6 APPLY GREASE CONFIRM WHETHER...
  • Page 24 CD-MPS900/CD-MPS99 APPLY GREASE BEHIND THE LEVER NEED TO APPLY GREASE PULL IT THEN LEVER WILL MOVE IN 2 – 19...
  • Page 25 CD-MPS900/CD-MPS99 APPLY GREASE APPLY GREASE BEFORE FIX APPLY GREASE AT BOSS SPRING MUST ARRANGE UNDER THE HOOK O.K LR JOINT LEV BOARD R LR JOINT LEV BOARD R 2 – 20...
  • Page 26 CD-MPS900/CD-MPS99 ASSY REVERSELY N.G APPLY GREASE BIG SLOT MUST FACING OUT WHEN FIX & AFTER FIX TO BASE CHASSIS AFTER ASSY CONFIRM THE FREE DROP GEAR POSITION DURING FIXING 2 – 21...
  • Page 27 CD-MPS900/CD-MPS99 ASSY REVERSELY N.G APPLY GREASE BIG SLOT MUST FACING OUT WHEN FIX & AFTER FIX TO BASE CHASSIS AFTER ASSY CONFIRM THE FREE DROP GEAR POSITION DURING FIXING CONFIRM BOTH GEAR SIT PROPELY & LOCKED 2 – 22...
  • Page 28 CD-MPS900/CD-MPS99 AFTER FIX OUTER UP/DOWN LEVER HOLD SHOWN PORTION AND MOVE UP/DOWN THEN CONFIRM LEVER GO INSIDE THE HOLE OR NOT IF GO INSIDE HOLE IS O.K BIGGER SLOT FACING OUT IF NO GO INSIDE HOLE IS N.G BIGGER SLOT FACING OUT...
  • Page 29 CD-MPS900/CD-MPS99 BIG SLOT FACING OUT 2 – 24...
  • Page 30 CD-MPS900/CD-MPS99 PUSH THE LEVER ACCORDING TO ARROW DIRECTION THEN FIX WHEN FIX MAIN BASE ASSY FOLLOW ACCORDING TO O.K PICTURE MAKE SURE MECHA HOLDER SHAFT FIX PROPELY TO LEVER 2 – 25...
  • Page 31 CD-MPS900/CD-MPS99 APPLY SANKOL APPLY SANKOL ON TOP APPLY SANKOL INSIDE THE SLOT & OTHER SHOWN PORTION COSMO GUIDE TRAY HAVE MARKING AS SHOWN FIX TRAY NO 1 FIRST THAN FOLLOW OTHER APPLY SANKOL AT TRAY SLIDING PORTION 2 – 26...
  • Page 32 CD-MPS900/CD-MPS99 GEAR UP/DOWN BOARD APPLY GREASE AT INNER & OUTER GEAR SLIDING PORTION WHEN FIX GEAR UP/ DOWN BOARD THE TWO LEVER MUST AT PARALLEL LINE & POSITION AT TOP MAX SIDE AFTER ASSY GEAR UP/DOWN BOARD 2 – 27...
  • Page 33 CD-MPS900/CD-MPS99 SCREW TORQUE +0.5 kgf-cm 2 – 28...
  • Page 34 CD-MPS900/CD-MPS99 AFTER ASSY TOP PLATE FIX THE FFC FFC4 AFTER PUSH MAKE SURE SNAP PROPELY PRESS IN BACK PORTION AFTER FIX PUSH FOLLOW ARROW DIRECTION SLOT IN BEFORE LOCK AFTER LOCK BEFORE LOCK MUST CONFIRM AFTER LOCK BEFORE LOCK AFTER LOCK MUST CONFIRM 2 –...
  • Page 35 CD-MPS900/CD-MPS99 CAUTION 1. MAKE SURE NO PWB CHIP INSIDE SET .( BEFORE FIX MAKE SURE PWB NO DUST , GREASE & ETC ) 2 – 30...
  • Page 36 CD-MPS900/CD-MPS99 THE TWO SLOT MUST FREE FROM GREASE ASSEMBLY SEQUENCE APPLY GREASE BELOW THE MARKING FOR 1. APPLY GREASE TO MAIN BASE BOTH PORTION GREASE APPLICATION AREA ALL BOSS APPLY GREASE APPLY GREASE AT 3 HALF MOON APPLY GREASE APPLY GREASE...
  • Page 37 CD-MPS900/CD-MPS99 REFERENCE ONLY MOTOR GEAR HEIGHT FROM MAIN BASE 12.2 MOTOR SCREWING HOLE SCREW TORQUE + 0.5 MUST HAVE GAP M1,2 AFTER SCREW MOTOR,CONFIRM THE ARRANGEMENT AS IN FIGURE 2 FIGURE 2 APPLY GREASE 2 – 32...
  • Page 38 CD-MPS900/CD-MPS99 3.1 + 0.1 SHAFT X 3 DIM AFTER INSERTION APPLY SANKOL MUST CONFIRM EVERYDAY SANKOL APPLICATION AREA 109-2 APPLY GREASE AT THE SLIDING PORTION APPLY GREASE UP / DOWN HOLDER CHANGE TO NATURE COLOR 2 – 33...
  • Page 39 CD-MPS900/CD-MPS99 BEFORE MELT IT AFTER MELT IT ( MUST FLAT ) WHEN FITTING STABILIZER PLATE TO STABILIZER, ROTATE STABILIZER ANTI CLOCKWISE BY JIG AFTER ASSY TO HOLDER STABILIZER NEED CLEAN ( BY HAND CANNOT X ) WITH ALCOHOL DISC TOUCHING SURFACE...
  • Page 40 CD-MPS900/CD-MPS99 APPLY GREASE MUST MAKE SURE SNAP PROPELY BOTH SIDE ALL SURFACE MUST TOUCH O . K 2 – 35...
  • Page 41 CD-MPS900/CD-MPS99 NO GAP HAVE GAP 2 – 36...

  • Page 42: Caution On Diassembly

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 3. MECHANISM BLOCKS [1] Caution on diassembly Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take cassette tape and compact disc out of the unit.
  • Page 43 CD-MPS900/CD-MPS99 (F2)x1 Front Panel (K1)x4 φ3x10mm Tape Mechanism Lug Wire Open (F1)x6 φ3x10mm (K2)x1 Cassette Cover Lug Wire Changer Front Panel Mechanism Display PWB (G2)x10 Unit φ2.6x10mm (G3)x5 (G1)x1 (L1)x4 φ2.6x10mm CD Mechanism Spacer PWB Game Input (H1)x2 φ3x10mm Changer...
  • Page 44 CD-MPS900/CD-MPS99 CP-MPS900/CP-MPS99 REMOVAL PROCEDURE STEP Passive Radiator 1. Screw ...... (A1) x4 2. Side Panel ....(A2) x1 3. Screw ...... (A3) x4 Woofer 1. Front Panel ..... (B1) x1 2. Screw ...... (B2) x4 Tweeter 1. Screw ...... (C1) x2...

  • Page 45: Removing And Reinstalling The Main Parts

    CD-MPS900/CD-MPS99 [2] Removing and reinstalling the main parts 1. TAPE MECHANISM SECTION Perform steps 1 to 5 and 6 of the disassembly method to remove the tape mechanism. 1.1. How to remove the record/playback and erase heads (TAPE 2) (See Fig. 1) 1.

  • Page 46: Cd Mechanism Section

    CD-MPS900/CD-MPS99 2. CD MECHANISM SECTION Perform steps 1, 2, 9, 10 and 11 of the disassembly method to remove Reduction gear C the CD mechanism. 2.1. Remove the pickup. (See Fig. 1) 1. Remove the stop washer (A1) x 1 pc., to remove the gear (A2) x 1 2.
  • Page 47 CD-MPS900/CD-MPS99 3.2. How to Remove the tray motor/main cam motor/5- Changer Motor PWB (See Fig. 6) 1. Remove the screws (A1)x 2 pcs., to remove tray motor/main cam motor/5-Changer Motor PWB. Changer Mechanism Unit Tray Motor Main Cam Motor 5-Changer...

  • Page 48: Block Diagrams

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 4. DIAGRAMS [1] Block diagrams TO DISPLAY SECTION TO MAIN SECTION CNP5 14 13 12 CNP2 68 67 66 65 64 63 62 51 53 59 69 LVDD MO_B-/CONT2 RVDD MO_B+/CONT3 LCHO...
  • Page 49 CD-MPS900/CD-MPS99 L8316V35 D-RAM MDATA0 MDATA3 MDATA0 MDATA4 MDATA7 MDATA7 SI3033LUS MDATA8 DWEB VOLTAGE DRASB REGULATOR MDATA15 ADRS0 LC78683E RASB ADRS3 MP3 DECODER ADRS4 ADRSB ADRS8 ADRS7 D0EM MDATA8 DCASUB ADRS0 MDATA11 DCASLB MDATA12 MDATA15 43 44 45 68 61 51 31 21 11 77 73 66...
  • Page 50 CD-MPS900/CD-MPS99 IC301 ZD351 ANTENNA TA7358AP 5.1V FM FRONT END FM IF 10.7 MHz T302 CF303 BF301 X351 450 kHz CF351 456 kHz B.P.F T351 CF352 SO302 FM ANTENNA AM IF TERMINAL FM RF L312 T301 AM LOOP ANTENNA OSC BUFF...
  • Page 51 CD-MPS900/CD-MPS99 FL701 FL DISPLAY TAPE MECHANISM ASS'Y RX701 59 40 28 26 25 13 27 REMOTE SENSOR IC701 VLOAD AVDD IXA008AW SYSTEM SW701-SW707 SW712-SW723 MICROCOMPUTER SW725-SW735 (1/2) 1 2 3 4 5 6 7 11 12 16 21 24 20 17 18 19...

  • Page 52: Chapter 5. Circuit Description

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 5. CIRCUIT DESCRIPTION • The indicated voltage in each section is the one measured by Digi- tal Multimeter between such a section and the chassis with no sig- nal given. [1] Notes on schematic diagram 1.

  • Page 53: Waveforms Of Cd Circuit

    CD-MPS900/CD-MPS99 [3] Waveforms of CD circuit Stopped Stopped 1999/04/07 09:51:15 CH1=500 mV CH3=500 mV 500 ms/div CH1=200 mV CH2=500 mV 500 ms/div DC 10:1 DC 10:1 (500 ms/div) DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s NORM:20 kS/s IC1 21...

  • Page 54: Voltage

    CD-MPS900/CD-MPS99 [4] Voltage IC301 IC601 IC701 NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 3.20 V 2.10 V 4.74 V 1.61V 2.20 V 4.65 V 1.61 V 2.10 V 0.29 V 0.20 V 5.10 V 1.60 V 2.20 V...

  • Page 55: Cd-Mps99

    CD-MPS900/CD-MPS99 — MEMO — 5 – 4...

  • Page 56: Chapter 6. Circuit Schematics And Parts Layout

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] Schematic diagram CD SERVO PWB-C 100P(CH) 0.022 100P(CH) 100P(CH) CD SIGNAL 100P(CH) 100P(CH) 100P(CH) 47/25 0.022 ONLY FLAS 4.7K PICKUP UNIT(306) 0.01 0.22 4.7K 4.7K 0.047...
  • Page 57 CD-MPS900/CD-MPS99 ONLY FCLK FLASH FFC704 CNP4 47/10 4.19 MHz 4.7K 4.7K 100K CD RES 0.01 RESET FSYNC 2.2K 2.2K MP3-RES CDEMPH SYS-DI DISC SYS-DO IXA006AW CLAMP MICRO- TRAY SW1 SYS-CL TRAY SW2 COMPUTER SYS-CE PHOTO INTB 2.2K AVDD AVREF 3 4 5 6 7 8 9 10 0.01...

  • Page 58: Tape Mechanism

    CD-MPS900/CD-MPS99 DISPLAY PWB-A2 FL701 FL DISPLAY LED DRIVER Q710 KRC102 S 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12...
  • Page 59 CD-MPS900/CD-MPS99 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R795 C701 1/50 88 89 90 91 92 93 94 95 96 97 98 99 100 R763...
  • Page 60 CD-MPS900/CD-MPS99 FM SIGNAL BI601 PLAYBACK SIGNAL R-CH R601 RECORD SIGNAL A_GND R602 L-CH CD_GND CD SIGNAL A+5V VIDEO SIGNAL D_GND IC601 C653 C601 AUX SIGNAL LC75341 220P 220/16 D+5V AUDIO PROCESSOR CNS601 C609 R605 Q603, Q604: SYSTEM MUTE 1/50 C603...
  • Page 61 CD-MPS900/CD-MPS99 GAME INPUT PWB-B2 FW901 M_+13V MAIN PWB-A1 (1/3) SP_RLY R-CH L-CH WTM901 JK690 C696 C695 0.01 0.001 JK691 VIDEO OUT GAME INPUT CNS603 VIDEO IN C602 C601 L-CH 0.022 220/16 R691 C691 R603 6.8K 390P AUX/VIDEO R690 C690 R692 6.8K...
  • Page 62 CD-MPS900/CD-MPS99 IC901 STK41244 POWER AMP. R903 L902 3 µH Q903 KTC3875 GR R917 ZD902 ZD903 0.1(5W) C917 DZ12BSB DZ12BSB 0.01 R919 R926 R925 R910 1.5K 1.5K 1.5K (1/2W) (1/2W) Q902 KTC3875 GR D905 R920 DS1SS133 1.5K C911 100/100 R927 R928 C919 0.01...
  • Page 63 CD-MPS900/CD-MPS99 MAIN PWB-A1 (3/3) FM SIGNAL FAN MOTOR DRIVER Q906 L902 KTC3203 Y 3 µH D912 R949 DS1SS133 R942 820(2W) M901 C931 R950 R943 820(2W) R947 10/50 MOTOR L1_OUT CNS971 R959 R951 R1_OUT Q907 KTC3203Y RL914 M_+13V SP_RLY D911 C928...
  • Page 64 CD-MPS900/CD-MPS99 C302 0.001 AM ANTENNA T303 C331 0.047 C323 0.022 C332 0.022 C338 0.001 D301 DS1SS133 D302 DS1SS133 VD301 C335 SVC347S 560P T306 R358 3.9K C334 AM OSC. (CH) BF301 IC301 B.P.F TA7358AP AM LOOP ANTENNA FM FRONT END 1 2 3 C306 0.022...
  • Page 65 CD-MPS900/CD-MPS99 FM SIGNAL AM SIGNAL TP302 C371 1/50 R350 2.7K C372 1/50 C367 1/50 C358 10 11 1/50 R352 R355 C357 3.3K 2.2/50 AM IF C356 0.001 T351 R393 L352 C389 ZD351 100 µH DZ5.1BSB 0.001 C396 100/10 C395 0.022...

  • Page 66: Wiring Side Of Pwb

    CD-MPS900/CD-MPS99 [2] Wiring side of PWB DISPLAY PWB-A2 JOG701 VOLUME R780 SW704 SW706 TUNING EQUALIZER RD05 R785 DOWN R775 RD04 RD06 SW705 FAST REWIND/ R776 PRESET DOWN R778 RD03 R728 SW703 Q708 B C E TUNING Q716 R779 R725 R726...
  • Page 67 CD-MPS900/CD-MPS99 P6-17 5-A TO POWER PWB CNP802 TO TAPE MECHANISM PWB P6-18 9-A FW705 FFC702 SW716 SW727 X-BASS/ REC/ DEMO WTM705 RD24 PAUSE 3 5 7 SW726 CNP702A 2 4 6 STOP RD25 SW728 R790 Q708 MEMORY/ R786 R770 R783...
  • Page 68 CD-MPS900/CD-MPS99 MAIN PWB-A1 C376 C379 R374 R373 C377 C302 R378 R372 C378 C382 1 2 3 4 5 6 7 8 9 10 11 IC302 C381 R379 C387 TP301 C392 C394 L351 R377 C380 C397 R381 R375 R395 ZD351 S0302...
  • Page 69 CD-MPS900/CD-MPS99 R124 R122 R138 R136 C134 C120 C135 C128 COLOR TABLE R132 R158 BROWN C133 RD(R) C131 C126 R135 ORANGE R130 C127 YELLOW C129 R150 C125 GREEN R133 R131 BLUE C121 FFC701 R129 VIOLET R128 C143 GRAY P6-18 11-E W H ( W )
  • Page 70 CD-MPS900/CD-MPS99 CD SERVO PWB-D (TOP VIEW) 1110 70 75 50 55 Figure 6-15 WIRING SIDE OF PWB (5/8) 6 – 15...
  • Page 71 CD-MPS900/CD-MPS99 CD SERVO PWB-D (BOTTOM VIEW) FFC1 FFC4 CNS3B P6-18 12-F FROM CD MOTOR PWB CNP5 CNP2 CNS601 FFC704 PP6-14 11-F FROM MAIN PWB CNP704 P6-12 11-E TO DISPLAY PWB • The number are waveform number shown in page 5-2.
  • Page 72 CD-MPS900/CD-MPS99 P6-14 11-G FROM MAIN PWB POWER PWB-B1 CNS801 R841 1 2 3 4 5 6 CNP802 D853 R844 D801 CNP801 C811 R858 C841 C810 C804 D802 C843 R842 C808 F802 5A/125V Q841 B C E R843 PT801 MAIN POWER TRANSFORMER T.F.
  • Page 73 CD-MPS900/CD-MPS99 P6-12 7-A COLOR TABLE TAPE MECHANISM TO DISPLAY PWB ASSEMBLY BROWN CNP702 RD( R) TAPE MECHANISM PWB-D ORANGE FFC702 YELLOW GREEN BLUE VIOLET GRAY WH (W ) WHITE BLACK PINK SOLENOID SOLENOID TAPE MOTOR CLAMP TAPE 2 FFC4 TAPE 1...

  • Page 74: Chapter 7. Flowchart Troubleshooting

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 7. FLOWCHART [1] Troubleshooting 1. When the CD does not function The CD section may not operate when the objective lens of the optical pickup is dirty. Clean the objective lens, and check the playback operation.
  • Page 75 CD-MPS900/CD-MPS99 (1) Focus-HF system check. Stopped CH1=500 mV CH3=500 mV 500 ms/div DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s Although a CD is inserted and the cover is closed, "NO DISC" is displayed. Press the Tray1 CD Eject Button without inserting a disc, and try starting the playback operation.
  • Page 76 CD-MPS900/CD-MPS99 (2) Focus-HF system check. Check the TE waveform at pin 17 on IC1. If the waveform shown in Figure 4 appears and soon after NO The tracking servo is not activated. DISC appears? Check the peripheral circuits at pins 16, 17 and 22 on IC1, and FFC1.
  • Page 77 CD-MPS900/CD-MPS99 (4) PLL system check. Stopped 1999/04/05 17:33:17 CH1=500 mV CH3=1 V CH4=1 V 500 ms/div DC 10:1 DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s When a disc is loaded, start play operation. PDO1 The HF waveform is normal, but the TOC data cannot be read.

  • Page 78: Chapter 8. Others

    CD-MPS900/CD-MPS99 Audio CD-MPS900/CD-MPS99 Service Manual CD-MPS900/CD-MPS99 Market CHAPTER 8. OTHERS [1] Function table of IC IC1 VHiLC78648E-1: CD Servo (LC78648E) (1/2) Pin No. Terminal Name Input/Output Setting in Reset Function AVDD1 Output — Analog power supply pin 1. SLCO Output —...
  • Page 79 CD-MPS900/CD-MPS99 IC1 VHiLC78648E-1: CD Servo (LC78648E) (2/2) Pin No. Terminal Name Input/Output Setting in Reset Function RCHO Output RVDD /2 Right channel R channel Power supply pin. D/A converter RVDD — — R channel output supply pin. XVSS — —...
  • Page 80 CD-MPS900/CD-MPS99 IC1 VHiLC78648E-1: CD Servo (LC78648E) 75 74 72 71 69 68 66 65 63 62 AVDD1 DVDD SLCO DATA EFMIN DATACK LRSY ASDFIN JITTC ASDACK ASLRCK F16MOUT OUT1 F16MIN LC78648E IOMODE PHLPF/RFMON XVDD VREF XOUT XVSS RVDD RCHO TEIN...
  • Page 81 CD-MPS900/CD-MPS99 IC2 VHILA6261//-1: Focus/Tracking/Spin/Sled Driver (LA6261) Pin No. Terminal Name Function VO3+ BTL Output pin (+) for channel 3. VO3- BTL Output pin (-) for channel 3. VO2+ BTL Output pin (+) for channel 2. VO2- BTL Output pin (-) for channel 2.
  • Page 82 CD-MPS900/CD-MPS99 IC2 VHILA6261//-1: Focus/Tracking/Spin/Sled Driver (LA6261) VOLTAGE CONTROL AMP DUFFER AMP DUFFER AMP For VREF For 1/2 VCC Reference voltage Band gad Figure 8-5 BLOCK DIAGRAM OF IC 8 – 5...
  • Page 83 CD-MPS900/CD-MPS99 IC601 VHiLC75341/-1: Audio Processor (LC75341) Pin No. Terminal Name Function Pin No. Terminal Name Function 13-16 R1-4 Input signal pin. Serial data and clock input pin for con- RSEL0 Input selector output pin. trol. Volume + equalizer output pin Chip enable pin.
  • Page 84 CD-MPS900/CD-MPS99 IC701 RH-iXA008AWZZ: System Microcomputer (IXA008AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function Input (+) Power supply 5 V. -20dBATT Output -20dB Attenuator. T BIAS Output Tape record bias control. T_REC/PLAY Output Tape REC/PLAY control. T_T1/T2 Output Tape T1/T2 Control.
  • Page 85 CD-MPS900/CD-MPS99 IC701 RH-iXA008AWZZ: System Microcomputer (IXA008AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function 73-78 FIP26-FIP21 S15-S10 Output FL segment driver. VLOAD VLOAD Input VLOAD -35 V 80-88 FIP20-FIP11 S9-S1 Output FL segment driver. 89-100 FIP10-FIP0 G12-G1 Output FL grid driver.
  • Page 86 CD-MPS900/CD-MPS99 IC851 VHIAN80T53/-1: Multi Regulator (AN80T53) Terminal Name Function REG4 Output 5.1 V power supply with a minimum peak out current of 1200 mA. REG3 Output 13 V power supply with a minimum peak out current of 1350 mA. Connected to Power supplies.

  • Page 87: Fl Display

    CD-MPS900/CD-MPS99 [2] FL Display FL701 VVKNA12MM44-1 GRID ASSIGNMENT col2 Dot2 col1 Dot1 2G 3G 4G 5G 6G 7G h j k (1G) (2G~11G) ANODE CONNECTION FOLDER TITLE-1 TITLE-2 TOTAL TITLE-3 D5-a PTYI D5-b D5-c SLEEP DAILY D4-a D4-b D4-c D3-a...
  • Page 88 CD-MPS900/CD-MPS99 — MEMO — 8 – 11...

  • Page 89: Parts Guide

    CD-MPS900/CD-MPS99 PARTS GUIDE MINI COMPONENT SYSTEM CD-MPS900 MODEL CD-MPS900 Mini Component System consisting of CD-MPS900 (main unit) and CP-MPS900 (speaker system). MINI COMPONENT SYSTEM CD-MPS99 MODEL CD-MPS99 Mini Component System consisting of CD-MPS99 (main unit) and CP-MPS99 (speaker system). “HOW TO ORDER REPLACEMENT PARTS”...
  • Page 90 CD-MPS900/CD-MPS99 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK ZD802 VHEDZ7R5BSB-1 AB Zener,7.5V,DZ7.5BSB CD-MPS900/CD-MPS99 ZD803 VHEDZ300BSB-1 AB Zener,30V,DZ30BSB ZD805 VHEDZ120BSB-1 AB Zener,12V,DZ12BSB INTEGRATED CIRCUITS ZD902,903 VHEDZ120BSB-1 AB Zener,12V,DZ12BSB FILTERS VHILC78648E-1 AW CD Servo,LC78648E VHILA6261//-1 AN Focus/Tracking/Spin/Sled Driver, LA6261...
  • Page 91 CD-MPS900/CD-MPS99 PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK AB 0.1 µF,16V AB 0.022 µF,25V VCKYCY1CB104K J C347 VCKYCY1EF223Z AB 100 µF,10V,Electrolytic AB 0.022 µF,25V VCEAZA1AW107M J C350,351 VCKYCY1EF223Z AB 10 µF,50V,Electrolytic VCCCCY1HH330J J AA 33 pF (CH),50V...
  • Page 92 CD-MPS900/CD-MPS99 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 22 µF,50V,Electrolytic C859 VCEAZA1HW226M J VRS-CY1JB472J AA 4.7 kohms,1/16W AB 0.022 µF,50V C861 VCKYPA1HF223Z VRS-CY1JB222J AA 2.2 kohms,1/16W AB 22 µF,25V,Electrolytic C864,865 VCEAZA1EW226M J R86~89 VRS-CY1JB472J AA 4.7 kohms,1/16W AD 0.1 µF,50V...
  • Page 93 CD-MPS900/CD-MPS99 PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK 1 R890 R601~603 VRD-ST2CD102J AA 1 kohm,1/6W RR-HZ0001AWZZ AE 4.7 Mohms,1/2W R604,605 VRS-CY1JB103J AA 10 kohm,1/16W R891 VRD-ST2EE101J AA 100 ohm,1/4W R606,607 VRS-CY1JB392J AA 3.9 kohms,1/16W R901,902 VRS-CY1JB563J AA 56 kohms,1/16W...
  • Page 94 CD-MPS900/CD-MPS99 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK CNP101 QCNCM705CAFZZ J AA Plug,3Pin SW735 92LSWICH1401AT J AC Switch,Key Type [Disc1] CNP102 QCNCM705GAFZZ J AB Plug,7Pin WTM705 QCNCW019FAWZZ J AB Socket,6Pin CNP301 92LCONE2P5268 AB Plug,2Pin WTM901 QCNCW019EAWZZ J...
  • Page 95 AA Spring,Ring LCHSM0201AWFW J AR Chassis,Main CCABA5534AW01 BE Front Panel Ass’y [CD-MPS99] GITAR1273AWSA AP Rear Panel,A CCABA5535AW01 BE Front Panel Ass’y [CD-MPS900] LBND-1011AWZZ AA Nylon Band 201- 1 ———— –– Front Panel 1 220 QACCD0022AWZZ J AM AC Power Supply Cord...

  • Page 96: Specifications

    CD-MPS900/CD-MPS99 PRICE PART CODE DESCRIPTION RANK CP-MPS900/CP-MPS99 SPEAKER BOX PARTS GBOXLA009AWSA J BF Speaker Box Ass’y,Left [CP-MPS900] GBOXLA010AWSA J BE Speaker Box Ass’y,Left [CP-MPS99] GBOXRA009AWSA J BF Speaker Box Ass’y,Right [CP-MPS900] GBOXRA010AWSA J BE Speaker Box Ass’y,Right [CP-MPS99] CPNLSA005AW01 J BD Front Panel Ass’y,Left...
  • Page 97 CD-MPS900/CD-MPS99 CD-MPS900/CD-MPS99 306-2 306-1 306-3 703x2 305x2 NSW1 PWB-F Figure 8 CD MECHANISM EXPLODED VIEW – 8 –...
  • Page 98 CD-MPS900/CD-MPS99 CD-MPS900/CD-MPS99 BELT CONNECTION CHANGER 601x5 FF/REW Tape FF/REW MECHANISM UNIT ROLLER Motor ROLLER ASS'Y ASS'Y FLYWHEEL FLYWHEEL ASS'Y MAIN BELT ASS'Y TAPE2 TAPE1 PWB-D 605x6 601x3 209-3 209-7 209-2 209-8 209-9 MECHANISM 603x4 201-29 209-4 209-11 601x3 601x2 209-5...
  • Page 99 CD-MPS900/CD-MPS99 CD-MPS900/CD-MPS99 803x6 801x2 PWB-E 109-3 109-5 803x2 109-1 109-4 109-2 Figure 10 CHANGER MECHANISM EXPLODED VIEW – 10 –...
  • Page 100 CD-MPS900/CD-MPS99 CP-MPS900/CP-MPS99 SP3, SP9, SP9, TWEETER SUPER TWEETER SUPER TWEETER SP7, SP7, SUPER TWEETER SUPER TWEETER Capacitor 1.8 µF, SP3, 250 V Capacitor TWEETER 1.8 µF, Electrolytic 250 V Electrolytic 903, 904 SP1, WOOFER SP1, WOOFER 905, 906 912x4 908x2...
  • Page 101 Miramat Sheet AM Loop Antenna Operation Manual 92LBAG1460C1 Quick Guide Polyethylene Bag, Remote Control Accessories FM Antenna SPAKZA050AWZZ Pad, Support SPAKZA007AWZZ Spacer SPAKCA022AWZZ [CD-MPS900] SPAKCA021AWZZ [CD-MPS99] Packing Case S I D S I D Not Replacement Item – 12 –...
  • Page 102 CD-MPS900/CD-MPS99 –– MEMO –– – 13 –...
  • Page 103 CD-MPS900/CD-MPS99 –– MEMO –– – 14 –...
  • Page 104 CD-MPS900/CD-MPS99 © COPYRIGHT 2004 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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