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Sharp MD-MX10H Service Manual
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Sharp MD-MX10H Service Manual

Sharp MD-MX10H Service Manual

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This model MD-MX10H has the same structure as the former model MD-MX30H except for the speakers. Only the points
different from the MD-MX30H (No. S5924MDMX30H) are described in this manual.
This model does not contain an RDS circuit.
Please refer to the already issued service manual for MD-MX30H (No. S5924MDMX30H) as well as this service manual.
General
Power source:
AC 230 V, 50 Hz
Power
consumption:
50 W
Dimensions:
Width; 215 mm (8-1/2")
Height; 162 mm (6-7/16")
Depth; 344 mm (13-9/16")
Weight:
4.4 kg (10.4 lbs.)
Amplifier section
Output power:
RMS; 30 W (15 W+15 W) (DIN 45 324)
MPO; 58 W (29W+29W) (DIN 45 324)
Output terminals: Speaker; 6 ohms
Headphones; 16 - 50 ohms
(recommended 32 ohms)
Input terminals:
Auxiliary; 500 mV/47 k ohms
SERVICE MANUAL
SPECIFICATIONS
SHARP CORPORATION
MD-MX10H
MD-MX10H MD Compact Component System
consisting of MD-MX10H(main unit) and CP-
MX10H(speaker system).
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
• Note for users in UK
Recording and playback of any material may require consent which SHARP
is unable to give. Please refer particularly to the provisions of Copyright Act
1956, the Dramatic and Musical Prefomers Protection Act 1956, the
Preformers Protection Acts 1963 and 1972 and to any subsequent statutory
enactments and orders.
Speaker section
Type:
Full range speaker system
[10cm (4") Full range speaker]
Maximum input
power:
30 W
Rated input
power:
15 W
Impedance:
6 ohms
Dimensions:
Width; 160 mm (6-5/16")
Height; 280 mm (11-1/16")
Depth; 183.5 mm (7-1/4")
Weight:
2.1 kg (4.6 lbs.)/each
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
MD-MX10H
No. S4027MDMX10H/

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Summary of Contents for Sharp MD-MX10H

  • Page 1 Preformers Protection Acts 1963 and 1972 and to any subsequent statutory enactments and orders. This model MD-MX10H has the same structure as the former model MD-MX30H except for the speakers. Only the points different from the MD-MX30H (No. S5924MDMX30H) are described in this manual.
  • Page 2 MD-MX10H DIFFERENCE BETWEEN MD-MX30H AND MD-MX10H PART NO. REF. PART NO. PRICE DESCRIPTION RANK MD-MX30H MD-MX10H INTEGRATED CIRCUIT IC1201 VHILR376484F1 VHILR376484-1 ENDEC,LR376484 ICT21 VHILC72722/-1 Not Used ICV01 VHISTK40203-1 VHISTK40202-1 Power Amp,STK40202 TRANSISTOR QT21 VSKTC3199GR-1 Not Used DIODES DT31 VHDDS1SS133-1 Not Used...
  • Page 3 MD-MX10H DIFFERENCE BETWEEN MD-MX30H AND MD-MX10H PART NO. PRICE PART NO. DESCRIPTION RANK MD-MX30H MD-MX10H OTHER CIRCUITRY PARTS CN1502 QCNCM970DAFZZ Not Used CNP7 QCNCM705DAFZZ Not Used CORE1 RCORF0015AWZZ Not Used CW1502/ QCNWN1515AWZZ Not Used CNS7 F801,802 QFS-D402CAWNI QFS-D322CAWNI Fuse,T3.2A L 250V...

  • Page 4: Names Of Parts

    MD-MX10H NAMES OF PARTS Front panel 1. On/Stand-by Button 2 3 4 5 6 7 8 2. Timer Stand-by Indicator 3. Name/TOC Edit Button 4. Timer/Delete Button 5. Tuning Down/Review Button 6. MD Stop Button 7. MD Play/Pause Button 8. Tuning Up/Cue Button 9.
  • Page 5 MD-MX10H Remote contorol 1. Remote Control Transmitter LED 2. Surround Button 3. Preset Equalizer Button 4. Clock Button 5. Sleep Button 6. Memory/Enter Button 7. MD Stop Button 8. MD Play/Pause Button 9. MD Track Down/Review Button 10. MD Track Up/Cue Button 11.

  • Page 6: Notes On Schematic Diagram

    MD-MX10H NOTES ON SCHEMATIC DIAGRAM REF.NO. DESCRIPTION POSITION SWD13 TRACK EDIT SWD14 CD MD EDIT,START • MD-MX-30H Service Manual 40,41 page. : Changed Point TO CHASSIS JOG SW 4.9V SWD01 MAIN SECTION RD21 CD22 4.9V P53 11 - B 100/6.3...
  • Page 7 MD-MX10H • MD-MX-30H Service Manual 44,45 page. : Changed Point BIV01 CV61 CHASSIS 0.001 LUGV01 D811 POWER PWB-B3 R809 1N4004S 56(1/2) D801 TS4B03G C801 F801 0.22 T3.2A L 250V (ML) C802 0.22 (ML) F802 T3.2A L 250V C806 2200/35 D802...
  • Page 8 MD-MX10H • MD-MX-30H Service Manual 38,39page. : Changed Point C1204 0.047 TP1202 TP1213 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 MD SIGNAL...
  • Page 9 MD-MX10H • MD-MX-30H Service Manual 38,39page. : Changed Point MD SIGNAL DADATA RECORD SIGNAL ADDATA DFCK BCLK LRCK C1206 0.0012 R1212 C1210 22P (CH) R1215 8688MHz TP1214 5 4 3 2 1 10 9 8 IC1202 IX2474AF 4MBIT D-RAM R1716...

  • Page 10: Md Main Pwb-E (Top View)

    MD-MX10H • MD-MX-30H Service Manual 56page. C1707 IC1702 C1509 C1606 Q1700 R1704 R1516 C1304 R1513 R1511 R1705 Q1701 R1703 C1701 C1704 C1710 C1712 L1701 R1712 C1716 R1711 C1803 C1800 R1714 C1700 C1711 C1714 C1501 Q1501 R1612 IC1300 R1614 R1808 Q1801...
  • Page 11 MD-MX10H • MD-MX-30H Service Manual 57page. P51 8,9 - C TO MAIN PWB CNPU04 P58 5 - B TO MAGNET HEAD CW1501 CW1903 TP1543 TP1702 TP1701 TP1520 TP1519 CN1501 TP1301 TP1521 TP1530 TP1300 TP1517 R1301 C1512 TP1515 TP1512 R1537 R1533...
  • Page 12 MD-MX10H • MD-MX-30H Service Manual 48page. : Changed Point TUNER PWB-A3 TUN/R A_GND TUN/L R370 A+12V D_GND C395 ZD351 0.022 DZ5.1B R391 270(1/4) C376 R389 IC303 0.022 3.9K R392 R364 LA1832S 270(1/4) FM IF DET/FM MPX/AM IF R363 R362 R361 R354 3.9K...
  • Page 13 MD-MX10H • MD-MX-30H Service Manual 49page. TUNER PWB-A3 CNP302 FWU06 CNPU06 P51 8 - E TO MAIN PWB R364 R363 R399 R361 R362 R392 C371 C372 CHASSIS C373 ZD351 C302 C396 C374 C376 R357 C353 R389 X351 C368 C369 C357...
  • Page 14 MD-MX10H 616x2 616x3 : Changed Point 616x2 PWB-C 616x2 616x2 616x2 609x8 Washer 616x2 618x2 It is contained 617x3 in the volume FL DISPLAY 615x5 MV01 PWB-B1 242x2 609x2 249x2 602x2 240x2 It is contained 606x2 in the volume Washer...

  • Page 15: Speaker Box Parts

    MD-MX10H CP-MX10H PRICE DESCRIPTION PARTS CODE RANK SPEAKER BOX PARTS 92L051-0083 Speaker Box Ass’y(With Speaker Cord/Paper Pipe) 92L121-0185 Net Frame Ass’y 92L312-0082 Front Panel 92L351-0356 Label,Specifications 92L372-0049 Screw,ø4×12mm SP1,2 VSP0010PB116A Full Range Speaker SP1,2 Full Range Speaker SP1 (L-CH) SP2 (R-CH)

  • Page 16: All Rights Reserved

    MD-MX10H © COPYRIGHT 2000 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.

  • Page 17: Table Of Contents

    • Note for users in UK Recording and playback of any material may require consent which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act...

  • Page 18: Safety Precaution For Service Manual

    MD-MX30H SAFETY PRECAUTION FOR SERVICE MANUAL WARNINGS (CD) WARNINGS (MD) THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER The AEL (ACCESSIBLE EMISSION LEVEL) of the laser power OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT output is less than class 1 but the laser component is capable IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT of emitting radiation exceeding the limit for class 1.

  • Page 19: Important Service Notes (For U.k. Only)

    MD-MX30H FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE NOTES (FOR U.K. ONLY) WITHSTANDING Before returning the unit to the customer after completion of a VOLTAGE TESTER PROBE repair or adjustment it is necessary for the following withstand voltage test to be applied to ensure the unit is safe for the customer to use.

  • Page 20: Names Of Parts

    MD-MX30H NAMES OF PARTS Front panel 1. On/Stand-by Button 2 3 4 5 6 7 8 2. Timer Stand-by Indicator 3. Name/TOC Edit Button 4. Timer/Delete Button 5. Tuning Down/Review Button 6. MD Stop Button 7. MD Play/Pause Button 8. Tuning Up/Cue Button 9.
  • Page 21 MD-MX30H Display window 1. FM Stereo Indicator 2. FM Stereo Mode Indicator 3. Track Edit Indicator 2 3 4 5 6 10 11 4. Play/Pause Indicator 5. Repeat Indicator 6. TOC Indicator 7. Level Meters 8. CD Indicator 9. High Speed Edit Indicator 10.

  • Page 22: Operation Manual

    MD-MX30H OPERATION MANUAL – 6 –...
  • Page 23 MD-MX30H – 7 –...

  • Page 24: Disassembly

    MD-MX30H DISASSEMBLY Notes for servicing Caution on Disassembly • This model is equipped with a fan. If you remove the fan to The disassembling the machine or assembling it after service the unit, it enters the protection mode and the repair, observe the following instructions to ensure safety power cannot be turned on by pressing the POWER and keep its performance.
  • Page 25 MD-MX30H DISPLAY PWB (D1) x1 (K2) x1 (D1) x4 ø2.6 x10mm (K1) x1 ø3 x10mm Washer DISPLAY PWB (J1) x1 (D1) x2 ø3 x10mm (D2) x1 (D3) x1 MAIN PWB (D1) x1 VOLUME PWB ø3 x10mm HOLDER PWB (D2) x2 (D1) x1 (D2) x1 ø3 x10mm...

  • Page 26: Removing And Reinstalling The Main Parts

    MD-MX30H (P1)x1 SPEAKER ø2x 3mm Shield Case,Top PROCEDURE STEP REMOVAL FIGURE (P1)x1 Net Frame 1. Net ..... (A1) x1 10-2 ø2x 3mm Woofer 2. Screw ....(A2) x4 10-3 Tweeter 3. Screw ....(A3) x6 (P1)x1 MD MECHANISM ø2x 3mm Shield Case,Side (P1)x1 ø2x 3mm...
  • Page 27 MD-MX30H How to remove the MD loading PWB/loadeing (B1)x1 motor ø1.7x 6mm (See Fig. 11-1) 1. Remove the screw (B1) x 1 pc. Loading Motor 2. Remove the Hoock (B2) x 3 pcs., and remove the MD Loading PWB. 3. Remove the screw (B3) x 2 pcs., and remove the Loading Loading Motor PWB motor.

  • Page 28: Cd Mechanism Section

    MD-MX30H CD MECHANISM SECTION ( A1 ) x2 ø2.6 x 6 mm For details about the procedure to remove the CD mechanism from the main unit, refer to Disassembly Procedure, Steps 1- Optical Pickup 4 ,7 and 11-13 in the main unit and also the CD section. (p.8,9). CD Mechanism How to remove the optical pickup Stop Washer...

  • Page 29: Test Mode

    MD-MX30H TEST MODE Press specified buttons simultaneously to enter the following test modes. System section TEST 1: Factory setting (version number and destination) TEST 2: Soft reset MD section TEST 3: MD test 1 (adjustment, test, etc.) CD section TEST 4: CD test Tuner section TEST 5: Tuner test frequency preset TEST 6: Tuner preset clear...
  • Page 30 MD-MX30H TEST 2 Soft reset Object: Reinitializing the unit. Function: Reinitializing all functions. Operation: "ALL CLEAR" appears and the unit reinitializes all functions and then turns power on. Leaving the test mode After reinitializing by soft reset, the unit enters the normal power-on state. Character display Item Type...
  • Page 31 MD-MX30H Button to press Press Function Main unit Remote control [ON/STAND-BY] Once Power on and off. Turns the power off when POWER ON and on when POWER OFF. [EQUALIZER] Once Sending test mode menus. To servo adjustment mode. (Menus concerning adjustment and EEPROM.) [X-BASS] Once Sending test mode menus.
  • Page 32 MD-MX30H When an MD is not loaded: "_EJECT_" appears. Indication appears as shown in Figure 16-1 when a disc is not loaded. When a disc is loaded, the MD microcomputer enters the AUTO YOBI mode. The received character data will be displayed as Figure 15-1 (page 15).
  • Page 33 MD-MX30H Tuner section Pressing the specified buttons performs the following 3 test operations. The operations are performed when POWER ON. When they are completed, the unit enters the normal power-on operation state. TEST 5 Tuner test frequency preset Object: Presetting the test frequency for factory test. Function: Presetting bands and frequencies shown in the Table 17 to each preset number according to the destination default.

  • Page 34: Adjustment

    MD-MX30H ADJUSTMENT TUNER SECTION fL: Low-range frequency • Setting the Test Mode fH: High-range frequency While holding down the TUNER(BAND) button and the MD fC: Center-range frequency PLAY button, press the ON/STAND-BY button. Frequencies • AM adjustment and confirmation are rewritten in memory as shown in table 18. Call them using AM signal oscillator Frequency 400 Hz, 30%, AM modulation the JOG DIAL for tuner circuit adjustment and check.
  • Page 35 MD-MX30H MD SECTION Enter the test mode, adjust or set as shown in the following table according to the repair operations. Execution item Checking Writing the Writing the TEMP AUTO-YOBI AUTO- AUTO-FAB Operation check EEPROM EEPROM EEPROM required adjustment adjustment adjustment setting basic setting...
  • Page 36 MD-MX30H Test Mode Test mode setting method 1. While holding down the MD PLAY and SURROUND buttons simultaneously, press the ON/STAND-BY button. (State A is changed to state B .) 2. Insert the playback-only disc 1 (high reflection disc) or the recordable disc 2 (low reflection disc). (State is changed to C.) If "R/ P WHICH?"...
  • Page 37 MD-MX30H 1. EJECT mode Step No. Setting Method Remarks Display Step 1 Test mode EJECT state [ _ _ E J E C T _ _ _ ] Step 2 Press the DISPLAY button. Playback power output state [ p p w _ _ _ _ _ _ _ ] Step 3 Press the DISPLAY button.
  • Page 38 MD-MX30H 4. AUTO FAB adjustment mode Setting Method Step No. Remarks Display Step 1 Test mode STOP state The AUTO preliminary adjustment should have been completed. [ t s m 1 A Step 2 Press the EQUALIZER button three times. AUTO adjustment menu [ _ A U T _ F A B _ _ ] Step 3 Press the MD PLAY button.
  • Page 39 MD-MX30H C) Tracking setting Step No. Setting Method Display Step 10 Press he EQUALIZER button. [[T R B L V t _ _ Step 11 Press the EQUALIZER button. [T R K L V o _ _ Step 12 Press the EQUALIZER button. [T R K L V t _ _ Step 13 Press the EQUALIZER button.
  • Page 40 MD-MX30H Setting Method Step No. Display Step 17 Press the EQUALIZER button. [G A L S G _ _ _ Step 18 Press the EQUALIZER button. [H A L S O F S _ Step 19 Press the EQUALIZER button. [L A L S O F S _ Step 20 Press the EQUALIZER button.

  • Page 41: Magnetic Head

    MD-MX30H Lead-in switch position measurement mode Insert the high reflection test disk TGYS1. Note: Adjust the lead-in switch position within the range of FF85 - FFD2. 1. Measure the lead-in switch position. Loosen the screw (A1) x 1 pc. which fixes the mechanism switch PWB. 2.

  • Page 42: Eeprom Writing Procedure

    MD-MX30H EEPROM WRITING PROCEDURE EEPROM DATA LIST (Version : 01) EEPROM (IC1402) writing procedure Focus setting 1. Method for setting the reference temperature value Item indication Setting (This setting should be performed quickly at a room temperature, between 21°C and 29°C when the PWB is not hot.) F F 1 (1) When replacing the EEPROM, wait until it has cooled down.

  • Page 43: Adjust Setting

    MD-MX30H Sled setting Control setting Item indication Setting Item indication Setting S L G C O N T R L 1 S L 2 C O N T R L 2 S L D L I M S P K L E V m S L D L E V A D J T T M S L K L V k...

  • Page 44: Explanation Of Error Display

    MD-MX30H EXPLANATION OF ERROR DISPLAY MD error messages Error message Description Remarks 'BLANK MD' No track is recorded on the disc 'Can't COPY' Digital recording from a copy prohibited source 'Can't EDIT' Editing impossible 'Can't REC' Sound memory overflow while recording Impossible continuous SD writing 'Can'tREAD*' Focus lead in time-over...

  • Page 45: Rds (Radio Data System) Operation

    MD-MX30H RDS (Radio Data System) OPERATION RDS for new models MD-MX30H We would like to inform and introduce “New RDS” built in MD-MX30H. Station Selector Button Display Mode Button Auto Station Programme Memory Button EON Button Programme Type/Traffic Information Search Button Summary of New RDS PTY Languages and CT &...

  • Page 46: Display And Control Buttons

    MD-MX30H 2. DISPLAY and Control buttons Lights up when RDS station is received. Lights up when RDS station with RT data is received. Lights up when TP data is received. 4 kinds of combination Lights up when TA data is received. Lights up when Dynamic PTY station is received.

  • Page 47: Notes On Schematic Diagram

    MD-MX30H NOTES ON SCHEMATIC DIAGRAM • Resistor: • The indicated voltage in each section is the one measured by Digital To differentiate the units of resistors, such symbol as K and M are Multimeter between such a section and the chassis with no signal used: the symbol K means 1000 ohm and the symbol M means 1000 given.

  • Page 48: Block Diagram

    MD-MX30H AM LOOP TUNER ANTENNA T302 CNP301 L341 BALUN COIL +12V(A) VOLTAGE MDAVCC REGULATOR T306 TO MD MDDVDD COIL SO301A FM 75Ω FM ANTENNA CD+7V TO CD FE301 IF OUT FM FRONT END SWITCHING M-COM.CONT. +B12 +12V LINE PULL-UP Q360 +5V(SWD) FM/AM VOLTAGE...
  • Page 49 MD-MX30H POWER VOLTAGE MAIN REGULATOR -12V(A) IC802 KIA7812AP T991 VOLTAGE POWER TRANSFORMER (MAIN) REGULATOR F801 T4A L 250V D801 F802 T4A L 250V D802-D805 VOLTAGE F803 REGULATOR T2.5A L 250V IC803 KIA7806AP VOLTAGE REGULATOR –30V Q801 –B1 VOLTAGE D806-D808 REGULATOR IC804 KIA7805AP TO FAN MOTOR...
  • Page 50 MD-MX30H CNPD TO MAIN TO MAIN SECTION CNP8 TO CNS8 CD SERVO LRSY DATACK CDGND1 DATA CNP7 VOLTAGE REGULATOR +B11 CD+7V +B11 +B10 +3.3V +B10 PICKUP UNIT 14 15 18 36 49 50 44 80 79 78 77 72 FIN1 EFMIN LCHO FIN2...
  • Page 51 MD-MX30H CNPD01 TO CNPU01 CNSD01 TO CNPU02 TO MAIN SECTION TO MAIN SECTION DISPLAY –B1 –B1 –30V TIMER LED LEDD01 TIMER LED FLD01 +7.3V(M) FL DISPLAY QD02 +B14 VOL-LED VOL-LED SWITCHING LEDD02 –B1 –30V POWER SYS-MUTE VDD3 MD-RESET MD-ST MD-SERCH ICD01 VSS2 iX0320AW...
  • Page 52 MD-MX30H 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 MECHANISM +4.75~5.25V 70 34 25 12 20 33 21 32 31 IC1401 IX0326AW MD SYSTEM MICROCOMPUTER IC1402 58X2402T EEPROM CONVERTER CONVERTER +3.2V...
  • Page 53 MD-MX30H TP1124 MD MAIN PWB-E TP1125 C1108 C1110 TP1131 0.47 C1111 0.0047 0.47 POUT ADAGC 0.7V ADIPI 1.6V TP1132 0.7V 1.6V TP1133 EFMO-I & DIFF 0.7V AOUT-IN EOUT-IN TP1134 1.6V 0.7V DIFF ADLPFO C1101 IC1101 BOUT-IN ADIP REFI 1.6V 1.6V IR3R55 22KO FOUT-IN...
  • Page 54 MD-MX30H C1204 0.047 TP1202 TP1213 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 TP1212 TP1201 1.48V 1.55V DADATA C1201 3.2V DADATA AVCC EFMO-I ADDATA 1.6V EFMI...
  • Page 55 MD-MX30H MD SIGNAL DADATA RECORD SIGNAL ADDATA DFCK BCLK LRCK C1206 0.0012 R1212 C1210 22P (CH) R1215 XL1201 3.8688MHz TP1214 10 9 8 5 4 3 2 1 L1551 IC1202 0.47µH TP1530 IX2474AF TO CD SERVO CDLRCK TP1531 4MBIT D-RAM CDBCK L1552 CNP7...

  • Page 56: Schematic Diagram / Wiring Side Of P.w.board

    MD-MX30H FLD01 FL DISPLAY 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 CD01 CD02 CD03 1/50 1/50 1/50 -27.5V RD32 POWER POWER TIMER_LED 4.8V LEDD01 VOL_LED 4.8V RD33 2647RT47 2.2K GND(D) TIMER_LED...
  • Page 57 MD-MX30H DISPLAY PWB-B1 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 -13.7V -24.5V -22V -16.5V VDD3 4.9V -16.6V -19.3V -31.3V 20AW -31.4V 321AW -31.3V 344AW -31.3V...
  • Page 58 MD-MX30H MAIN PWB-A1(1/2) RU31 FM SIGNAL MD SIGNAL RU32 CD SIGNAL CU17 0.33/50 RECORD SIGNAL RU11 CU15 0.22/50 RU09 4.2V L-BA 2.7K 4.2V L-TR CU09 CU11 CU13 L-IN 2.2/50 4.2V 0.001(ML) 1/50 4.2V RU07 4.2V L4(A CU07 4.2V L3(T 2.2/50 4.2V RU01 L2(C...
  • Page 59 MD-MX30H AUX INPUT JTU01 RU19 L CH CU21 RU17 CU22 RU18 R CH ICU01 CU32 RU20 100/16 LC75341 AUDIO RU30 CU31 PROCESSOR 0.022 RU33 CU41 0.001 (1/2) RU34 BIU02 8.4V (1/2) (OS-CON) CU45 DU06 3.3/16 DS1SS133 (OS-CON) CU30 VREF 22/16 4.2V CHASSIS RU12...
  • Page 60 MD-MX30H MAIN PWB-A1(2/2) ICV01 STK40203 POWER AMP. -VCC +OUT -OUT +OUT -OUT 4.8V QV02 KTC3199GR CV11 CV12 0.022 0.022 RV16 RV15 6.8K 6.8K RV11 RV13 RV12 RV14 0.2(1) -23.6V 3.3K 0.2(1) 3.3K CV09 CV10 RV08 CV05 RV07 3.3P 3.3P 220P RV09 QV03 CV06...
  • Page 61 MD-MX30H SOV01 LV01 3µH RV23 CV19 LEFT FM SIGNAL 0.022 4.7(1/4) CV21 0.022 SPEAKERS RV24 4.7(1/4) CV20 RIGHT 0.022 CV22 0.022 LV02 CV29 CV30 0.001 3µH 0.001 DV02 CV13 CV15 DS1SS133 TO CHASSIS 0.22 0.22 RV17 RV61 (ML) (ML) 4.7(1/4) RV19 RV20 CNPV02...
  • Page 62 MD-MX30H CD SERVO PWB-A2 CD SIGNAL TIN1 FIN1 0.047 (ML) FIN2 TIN2 3.9M 100/10 2.2/50 FIN1 CNS1 1.7V 3.3V 0.022 0.022 ODRV FIN2 RFSW 100P 1.7V 1.7V 5.6P 120K AGCON 1.2K TIN1 6.8K 1.7V 1.7V 1.0V 47/6.3 4.7K TIN2 1.7V 1.7V 1.7V 1.7V...
  • Page 63 MD-MX30H CNP9 FWD02 VOLM+ GNAL 0.01 VOLM- CQCK PUIN COIN SQOUT ZD60 VDD5V EFMO DZ5.1A 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 (ML) PD01 0.022 COMMAND GENERAL INTERFACE 3.9M PD02 SBCK 100/10 TO MD CHASSIS 0.022...
  • Page 64 MD-MX30H TUNER PWB-A3 CT28 CT27 47/10 CT29 0.022 (CH) 24 23 22 21 20 19 18 17 16 15 14 13 ICT21 LC72722 CT24 0.022 RT32 CT22 CT26 CT25 0.022 560P 5.17V (CH) CT36 RT39 CT21 220K 0.022 47/10 2.54V RT33 RT34 DT31...
  • Page 65 MD-MX30H TUNER PWB-A3 RT34 RT33 RT32 CNP302 RT37 CT24 FWU06 CT36 RT30 CT23 RT36 CNPU06 CT21 RT29 QT21 RT35 CT22 P51 8 - E RT28 CT25 TO MAIN PWB RT26 LT21 RT39 CT28 R391 DT31 CT29 R364 R363 R399 CT27 XT21 R361 R362...
  • Page 66 MD-MX30H CNS901 CNP901 P54 5 - D TO POWER PWB P54 5 - C TO POWER PWB CHASSIS CNS802 DU05 9 8 7 6 5 4 3 2 1 CNP802 D813 C804 D803 C811 C825 C824 R802 D805 C823 F802 ZD801 T4A L 250V F801...
  • Page 67 MD-MX30H CNS8 CNP8 P55 3 - D,E TO CD PWB P57 9 - B P52 3 - C,D TO MD MAIN PWB TO DISPLAY PWB CN1501 CNPD01 CW1501 FWD01 CU34 RU50 RU46 CU50 RU67 CNPU04 CU49 RU45 RU51 3 5 7 9 11 131517 19 21 BI802-1 2 4 6 8 10 12 14 16 18 20 22 CNPU01...
  • Page 68 MD-MX30H P51 11 - B TO MAIN PWB CNPU02 SWD07 RD53 RD54 TUNNING SWD08 DOWN SWD05 SWD06 TIMER/ SWD04 RD32 DELETE TUNNING CD03 FWD01 MD STOP RD34 MD PLAY RD89 SWD09 NAME/ CNSD01 RD35 RD36 TOC EDIT RD37 MEMORY/ RD39 CD02 ENTER RD41...
  • Page 69 MD-MX30H DISPLAY PWB-B1 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 59 60 RD20 CHASSIS RD59...
  • Page 70 MD-MX30H CNS900 POWER PWB-B3 T.F. BI900 F803 T2.5A L 250V BI902 CNS802 CNP802 P50 3 - B T991 POWER TRANSFORMER TO MAIN PWB (MAIN) POWER PWB-B2 D903 C902 C903 When Servicing, D902 CNP901 Pay attention as the area enclosed by this line ( ) is directly D901 connected with AC main voltage.
  • Page 71 MD-MX30H VOLUME MOVE MOTOR CNS10 TO MD CHASSIS CD SERVO PWB-A2 LOADING MOTOR After a serial namber [No.004xxxxx],eliminated. CNS4 CNP6 BI 4 ZD60 1 2 3 • The numbers are waveform numbers shown in page 59. Figure 55 WIRING SIDE OF P.W.BOARD (7/10) –...
  • Page 72 MD-MX30H : Through-hole where the top and bottom patterns are connected. C1707 IC1702 C1509 C1606 L1552 Q1700 R1704 R1516 L1551 C1304 R1513 R1705 R1511 Q1701 R1703 C1701 C1704 C1710 C1712 L1701 R1712 C1716 R1711 C1803 C1800 R1714 C1700 C1711 C1714 C1501 Q1501 R1612...
  • Page 73 MD-MX30H P51 8,9 - C TO MAIN PWB CNPU04 P58 5 - B TO MAGNET HEAD CW1501 CW1903 TP1543 TP1701 TP1702 TP1520 TP1519 CN1501 TP1301 TP1521 CN1502 TP1530 TP1300 TP1517 R1301 TP1515 TP1512 R1537 R1533 R1535 TP1507 C1300 TP1531 TP1514 TP1509 C1301 R1536...

  • Page 74: Md Pickup Unit

    MD-MX30H P57 8 - F TO MD MD MAIN PWB CN1101 MAGNET HEAD(34) RECORD FLEXIBLE TO MD MAIN CN1300 P57 8 - B MD PICKUP UNIT(35) CW1903 MD MECHANISM MD LOADING SWITCH PWB-F1 PWB-F2 M902 MD SLED MOTOR SW1934 PLAY TP1946 SW1936 LEAD IN...

  • Page 75: Waveforms Of Cd Circuit

    MD-MX30H WAVEFORMS OF CD CIRCUIT Stopped 1999/04/05 17:33:17 Stopped CH1=500mV CH3=1V CH4=1V 500ms/div CH1=500mV CH3=500mV 500ms/div DC 10:1 DC 10:1 DC 10:1 (500ms/div) DC 10:1 DC 10:1 (500ms/div) NORM:20kS/s NORM:20kS/s PDO1 IC2 1 IC2 24 PDO2 IC2 2 IC2 23 IC2 24 v/DIV v/DIV...

  • Page 76: Waveforms Of Md Circuit

    MD-MX30H WAVEFORMS OF MD CIRCUIT PLAY STATE PIT PLAY Stopped Stopped NORM: 1M S/s 1997 / 08 / 04 13:35:24 NORM: 100M S/s 1997 / 08 / 04 09:30:15 200mV 1ms/div CH1 500mV 500ns/div DC 10:1 DC 10:1 AC 10:1 DC 10:1 AC 10:1 Filter...
  • Page 77 MD-MX30H PLAY Stopped Stopped NORM: 1k S/s NORM: 100M S/s 1997 / 08 / 04 14:19:52 1997 / 08 / 04 10:35:14 1s/div 500ns/div DC 10:1 DC 10:1 DC 10:1 DC 10:1 DC 10:1 DC 10:1 Filter Filter SMOOTH SMOOTH FULL FULL TP1212...

  • Page 78: When The Cd Does Not Function

    MD-MX30H TROUBLE SHOOTING CD SECTION When the CD does not function When the CD section does not operate when the objective lens of the optical pickup is dirty, this section may not operate. Clean the objective lens, and check the playback operation. When this section does not operate even after the above step is taken, check the following items.
  • Page 79 MD-MX30H (1) Focus-HF system check Stopped CH1=500mV CH3=500mV 500ms/div "NO DISC"appears when you load a disc and close the DC 10:1 DC 10:1 (500ms/div) NORM:20kS/s tray. Playback operation starts even if no disc is loaded. v/DIV 500mV =Filter= =Offset= =Record Length= =Trigger= Smoothing : ON CH1 :...
  • Page 80 MD-MX30H (2) Tracking system check Check the TE waveform at pin 18 on IC1. The tracking servo is not activated. If the waveform shown in Figure 64-1 appears and soon after Check the peripheral circuits at pins 18 and 19 on IC1, pin 23 on NO DISC appears.
  • Page 81 MD-MX30H (4) PLL system check Stopped 1999/04/05 17:33:17 CH1=500mV CH3=1V CH4=1V 500ms/div DC 10:1 DC 10:1 DC 10:1 (500ms/div) NORM:20kS/s PDO1 When a disc is loaded, start play operation. The HF waveform is normal, but the TOC data cannot be PDO2 read.

  • Page 82: Troubleshooting (Md Section)

    MD-MX30H MD SECTION When MD fails to operate If the objective lens of optical pickup is contaminated, MD may fail to operate. At first, clean the objective lens to check playback operation. If MD fails persistently to operate, perform checks as follows. If dust or foreign substance is accumulated on the pickup lens, playback is disturbed and indication of TOC (content of tracks) may be disabled.
  • Page 83 MD-MX30H • Disc loading is not normal. Is disc loaded when it is inserted? Check the power supply PWB, system Is +5V to +6V applied to the pins 17 and 18 of CN1501? PWB, and CN1501. Is pulse input in the pin 6 of CN1501 when reset power supply Check the system PWB and CN1501.
  • Page 84 MD-MX30H • Normal playback When it has been confirmed that EEPROM value is normal in the TEST mode Is initialization performed normally when high reflection disc is Does the playback time display advance? played back? Check IC1201. Does disc rotate normally? Is lead-in switch turned on in the TEST mode when the pickup is on the innermost periphery? (Is the pin 63 of IC1401 on L level?) Check SW1936, soldered joints of mechanism switch PWB, and...
  • Page 85 MD-MX30H • The spindle motor does not rotate. Check the pins 24 and 25 of IC1201, soldering of peripheral circuit, Is waveform output from the pins 24 and 25 of IC1201 in the step and parts. 4 of AUTO auxiliary adjustment mode of TEST mode? Is waveform output from the pins 9 and 10 of IC1601 and the pins Check IC1601, CN1402, and soldering of mechanism switch PWB.
  • Page 86 MD-MX30H IC2 VHiLC78641E-1:Servo/Signal Control (LC78641E) (2/3) Pin No. Terminal Name Input/Output Setting in Reset Function PDO1 Output – For PULL Phase-comparison output terminal for built-in VOC control. PDO2 Output – Phase-comparison output terminal for built-in VOC control. Rough servo : OFF, phase servo : ON. VVSS –...
  • Page 87 MD-MX30H IC2 VHiLC78641E-1:Servo/Signal Control (LC78641E) (3/3) Terminal Name Input/Output Setting in Reset Pin No. Function LVDD – – L channel Power terminal for L channel. LCHO Output 1/2VDD D/A converter L channel output terminal. LVSS – – Ground terminal for L channel. Surely connected to 0V. RVSS –...

  • Page 88: Function Table Of Ic

    MD-MX30H FUNCTION TABLE OF IC IC1 VHiLA9235M/-1:Servo Amp. (LA9235M) ODRV FIN1 LA9235M RFSW FIN2 AGCON 28 RF- FIN3 FIN4 26 N/C 25 PH 24 BH REF1 ODRV 23 N/C PH/BH 22 RFEV VREF 21 FE- 20 FE LDOF 19 TE- ODRV ODRV 18 TE...
  • Page 89 MD-MX30H IC3 VHiLA6558++-1: Focus/Tracking/Spin/Sled/Roading/Move Driver (LA6558) Function Terminal Name Pin No. VO3- CH3(-)output VO3+ CH3(+)output VO5- CH5(-)output Inversion when input VO5+ CH5(+)output No inversion when input VO4- CH4(-)outputÅ Inversion when input VO4+ CH4(+)output No inversion when input P-GND Power system GND(CH3,4,5) S-GND Signal system GND VREF...
  • Page 90 MD-MX30H ICD01 RHiX0320AWZZ: System Microcomputer/FL Driver (iX0320AW) (1/2) RHiX0321AWZZ: System Microcomputer/FL Driver (iX0321AW) (1/2) RHiX0344AWZZ: System Microcomputer/FL Driver (iX0344AW) (1/2) Input/Output Function Port Name Setting in Reset Terminal Name Pin No. CD-DRF – Output CD Control CD-WRQ – Output CD Control MD-STB –...
  • Page 91 MD-MX30H ICD01 RHiX0320AWZZ: System Microcomputer/FL Driver (iX0320AW) (2/2) RHiX0321AWZZ: System Microcomputer/FL Driver (iX0321AW) (2/2) RHiX0344AWZZ: System Microcomputer/FL Driver (iX0344AW) (2/2) Input/Output Pin No. Terminal Name Port Name Input/Output Function – – – seg7 Output seg8 Output seg9 Output seg10 Output seg11 Output seg12...
  • Page 92 MD-MX30H ICV01 VHiSTK40203-1: Power Amp. (STK40203) +VCC Pre. +VCC TR11 TR14 TR15 ch.1 TR12 ch.1 TR10 TR13 TR16 -VCC 14 15 ch.1 ch.1 ch.2 ch.2 ch.2 ch.2 BIAS Pre. -VCC Figure 76-1 BLOCK DIAGRAM OF IC ICT21 VHiLC72722/-1:RDS (LC72722) VREF FLOUT Vdda Vddd...
  • Page 93 MD-MX30H IC1101 VHiiR3R55//-1:RF Signal Contorol (iR3R55) Function Terminal Name Pin No. RF signal input terminal 2 . The RF signal received is applied here. RF signal input terminal 1 . The RF signal received is applied here. RF signal input terminal 4 . The RF signal received is applied here.
  • Page 94 MD-MX30H IC1201 VHiLR376484F1: ENDEC/ATRAC (LR376484F) (1/2) Terminal Name Input/Output Function Pin No. EFMMON Output EFM monitor output AVCC – Analog power EFMI Input EFM signal input from the RF amplifier AGND – Analog ground Input Focus error signal A Input Tracking error signal E Input Track cross signal...
  • Page 95 MD-MX30H IC1201 VHiLR376484F1: ENDEC/ATRAC (LR376484F) (2/2) Terminal Name Input/Output Function Pin No. X700KO Output Clock output. f=705.6kHz. When RSTX=0, the clock output is not available. EXPORT0 Output Microcomputer extension output port 0 EXPORT1 Output Microcomputer extension output port 1 TESO1 Output PLLR switching: Microcomputer extension output port 2.
  • Page 96 MD-MX30H IC1401 RH-iX0326AWZZ:MD System Microcomputer (iX0326AW) (1/2) Terminal Name Input/Output Function Pin No. 4M/16M Output 4M/16M DRAM select input OUtput 64M DRAM select input LDVAR Output LDVAR (Laser power output adjustment) ADIS Output ADJS (For automatic adjustment step check) Input CIN(track count signal input) UNLOCK Input...
  • Page 97 MD-MX30H IC1401 RH-iX0326AWZZ:MD System Microcomputer (iX0326AW) (2/2) Terminal Name Input/Output Function Pin No. SYS D2 In/Output SYS D2 (Data bus 2) SYS D1 In/Output SYS D1 (Data bus 1) SYS D0 In/Output SYS D0 (Data bus 0) Output Input/output port P37 Output Input/output port P36 Output...
  • Page 98 MD-MX30H IC1101 VHiiR3R55//-1:RF Signal Processor (iR3R55) ADIPI ADIPO DIFF DIFF ADLPFO ADIP 22KO REFI 22KI REFO BIAS RFADD TCGO TCGI AOUT BOUT EOUT LOGIC FOUT Figure 82-1 BLOCK DIAGRAM OF IC IC1202 RH-iX2474AFZZ: 4Mbit D-RAM (iX2474AF) Function Terminal Name Pin No. 1, 2 I/O1, I/O2 Data input/Data output...
  • Page 99 MD-MX30H IC1201 VHiLR376484F1:ENDEC/ATRAC (LR376484F) 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 EFMO TOTMON PLCK TEMON ACRCER SBCK TCRS RAD0 SBSY RAD1 SFSY RAWEX RARASX SENSE...
  • Page 100 MD-MX30H IC1701 VHiUDA1347T-1: AD/DA Converter (UDA1347T) Pin No. Terminal Name Function AD converter analog ground SSA(ADC) AD converter analog power DDA(ADC) VINL AD converter input (left) Vref(A) AD converter reference voltage VINR AD converter input (right) AD converter reference voltage N ADCN AD converter reference voltage P ADCP...

  • Page 101: Parts Guide

    “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;...
  • Page 102 MD-MX30H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK INTEGRATED CIRCUITS QV54 VSKTA1270Y/-1 AD Silicon,PNP,KTA1270 Y DIODES VHILA9235M/-1 AQ Servo Amp.,LA9235M VHILC78641E-1 AV Servo Signal Control,LC78641E VHILA6558++-1 AQ Focus/Trucking/Spin/Sled/ D21,22 VHDDS1SS133-1 AB Silicon,DS1SS133 Roading/Move Driver (LA6558) D301~306 VHDDS1SS133-1 AB Silicon,DS1SS133 IC302 VHILC72131/-1...
  • Page 103 MD-MX30H PRICE PRICE DESCRIPTION DESCRIPTION PARTS CODE PARTS CODE RANK RANK AB 2.2 µF,50V,Electrolytic C357 VCEAEA1HW225M J VR351 RVR-M0026AWZZ AC 10 kohm (B),Semi-VR AB 1 µF,50V,Electrolytic C358 VCEAEA1HW105M J AA 0.022 µF,25V VIBRATORS C361 VCTYMN1EF223Z AB 3.3 µF,50V,Electrolytic C362 VCEAEA1HW335M J AA 0.022 µF,25V C363 VCTYMN1EF223Z...
  • Page 104 MD-MX30H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 10 µF,16V,Electrolytic C1208,1209 VCCCCY1HH120J J AA 12 pF (CH),50V CT23 VCEAEA1CW106M J AA 0.022 µF,25V C1210 VCCCCY1HH220J J AA 22 pF (CH),50V CT24 VCTYBT1EF223Z C1300 VCCCTV1HH470J AA 47 pF (CH),50V CT25 VCCSPA1HL561J AA 560 pF,50V...
  • Page 105 MD-MX30H PRICE PRICE DESCRIPTION DESCRIPTION PARTS CODE PARTS CODE RANK RANK VRD-ST2CD103J AA 10 kohm,1/6W R1103 VRS-CY1JB394J AA 390 kohms,1/16W VRD-ST2CD223J AA 22 kohms,1/6W R1105 VRS-CY1JB122J AA 1.2 kohms,1/16W VRD-MN2BD122J AA 1.2 kohms,1/8W R1106 VRS-CY1JB563J AA 56 kohms,1/16W VRD-MN2BD222J AA 2.2 kohms,1/8W R1107 VRS-CY1JB561J AA 560 ohms,1/16W...

  • Page 106: Other Circuitry Parts

    MD-MX30H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R1802 VRS-CY1JB563F AA 56 kohms,1/16W RS05,06 VRD-ST2CD272J AA 2.7 kohms,1/6W R1803 VRS-CY1JB333F AA 33 kohms,1/16W RS07,08 VRD-ST2CD102J AA 1 kohm,1/6W R1804 VRS-CY1JB391J AA 390 ohms,1/16W RS09 VRD-ST2CD104J AA 100 kohm,1/6W R1805 VRS-CY1JB271J AA 270 ohms,1/16W...

  • Page 107: Cd Mechanism Parts

    MD-MX30H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK BI3/CNS3 QCNWN0541AWZZ J AF Connector Ass’y,6-6Pin SW1933 QSW-M0007AWZZ J AD Switch,Push Type [Record] BI801/CNS901 QCNWN1533AWZZ J AF Connector Ass’y,4-4Pin SW1934 QSW-M0007AWZZ J AD Switch,Push Type [Play] BI802- 1,2 QCNWN1534AWZZ J AC Flat Wire,3Pin SW1936 QSW-M0157AFZZ...

  • Page 108: Cabinet Parts

    AC Gear,Grip TSPC-0623AWZZ Label,Specification [For Europe] NSFTD0006AWM1 J AG Shaft Ass’y.,Drive TSPC-0641AWZZ AC Label,Specification [For U.K.] NSFTM0019AWFW J AC Shaft,Pickup Slide 92LBADGE1585B AC Badge,SHARP PCOVS3029AWFW J AG Cover,Shield,Top 92LBELT1728A AB Belt,Drive PCOVS3033AWFW J AF Cover,Shield,Side 92LCLMP1810A AC Wire Holder PCOVS3031AWFW J...

  • Page 109: Other Service Parts

    MD-MX30H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK ———— — Battery,SUM-3 (Not Replacement Item) 92LBAG1460C1 AB Polyethylene Bag,Accessories 92LFANT1535A AF FM Antenna RRMCG0206AWSA J AY Remote Control 17-1 GFTAB1022AWSA J AK Lid,Remote Control PSHEZ0032AWZZ J Cushion,Leg SPAKA0238AWZZ J Packing Add.,Speaker SPAKC0925AWZZ J Packing Case...
  • Page 110 MD-MX30H 306-2 306-1 306-3 305x2 PWB-D Figure 9 CD MECHANISM EXPLODED VIEW – 9 –...
  • Page 111 MD-MX30H MD Mechanism 33x2 512x2 33x2 510x2 M903 SW1934 PWB-E SW1932 SW1933 PWB-F2 SW1931 SW1930 506x2 M902 SW1936 PWB-F1 501x2 M901 505x3 Figure 10 MD MECHANISM EXPLODED VIEW – 10 –...
  • Page 112 MD-MX30H 616x2 616x3 616x2 PWB-C 616x2 616x2 616x2 609x8 Washer 616x2 618x2 617x3 It is contained in the volume FL DISPLAY 615x5 MV01 PWB-B1 609x2 242x2 249x2 602x2 240x2 It is contained 606x2 in the volume Washer 615x2 605x2 241x2 610x4 PWB-A1 208-2...
  • Page 113 MD-MX30H Tweeter SP3 (L-CH) SP4 (R-CH) Capacitor 1.5 µF/100V (N.P) Woofer SP1 (L-CH) SP2 (R-CH) SP3,4 908x2 TERMINAL 909 910 907x4 904-1 904-3 904-2 ø4 x20mm 907x4 SP1,2 Tweeter SP3 (L-CH) Capacitor SP4 (R-CH) 1.5 µF/100V (N.P) Woofer SP1 (L-CH) SP2 (R-CH) TERMINAL Figure 12 SPEAKER EXPLODED VIEW...

  • Page 114: Packing Method (For U.k.only)

    MD-MX30H PACKING METHOD (FOR U.K.ONLY) QACCB0008AW00 AC Power Supply Cord 92LBAG1460C1 Polyethylene QANTL0005AWZZ AM Loop Antenna Bag,Accessories SPAKA0229AWZZ Packing Add. 92LFANT1535A FM Antenna SPAKA0230AWZZ Packing Add. RRMCG0206AWSA Remote Control with Lid SPAKC0863AWZZ Packing Case PSHEZ0032AWZZ Cushion,Leg SPAKZ0591AWZZ Case,Accessories SPAKA0238AWZZ Packing Add.,Speaker SPAKC0925AWZZ Packing Case SPAKZ0574AWZZ...
  • Page 115 MD-MX30H – MEMO – – 14 –...
  • Page 116 MD-MX30H © COPYRIGHT 2000 BY SHARP COPORATION 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.