Sharp MDSR60S - Minidisc Player/Recorder Service Manual Download Page 45

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MD-SR60

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Summary of Contents for MDSR60S - Minidisc Player/Recorder

Page 1: ...ARD 28 VOLTAGE 31 WAVEFORMS OF MD CIRCUIT 32 TROUBLESHOOTING 33 FUNCTION TABLE OF IC 36 PARTS GUIDE EXPLODED VIEW PACKING OF THE SET SERVICE MANUAL SHARP CORPORATION No S7059MDSR60S This document has been published to be used for after sales service only The contents are subject to change without notice MODEL MD SR60 S In the interests of user safety the set should be restored to its original cond...

Page 2: ... 60 Hz DC 1 5V Commercially available AA size LR6 alkaline battery x 1 DC 4 5V Separately available car adaptor AD CA20X for cars with a 12 24V DC negative ground electrical system Power consumption 7W AC adaptor Output power RMS 20 mW 10 mW 10 mW 0 2 T H D Charging time Approx 3 5 hours 90 Approx 5 5 hours fully charged When using the AC adaptor included with the unit Battery life The continuous ...

Page 3: ...aural Long Play Mode Indicator 22 Record Indicator 23 Synchro Recording Indicator 24 Disc Mode Indicator 25 Disc Name Indicator 26 Track Name Indicator 27 Remaining Recording Time Indicator 28 Total Track Number Indicator 29 Fast Play Indicator 30 Repeat Indicator 31 TOC Indicator 32 Battery Indicator 33 Random Indicator 34 Track Number Indicator 35 Character Time Information Indicator 36 Headphon...

Page 4: ...n the battery level is high When the battery level is very low Checking the remaining amount of battery level The remaining amount of battery level is shown by the battery indicator during operation When the battery is completely discharged the battery indicator will flash Recharge the battery or replace the alkaline battery with a new one When the battery has run completely out BATT EMPTY will ap...

Page 5: ...ip A track number may be created if there are scratches or dust on the MiniDisc Troubleshooting Many potential problems can be resolved by the owner without calling a service technician If something seems to be wrong with this product check the following before calling your authorized SHARP dealer or service center The unit does not turn on No sound is heard from the head phones When the operation...

Page 6: ...he HOLD switch to its original position Turn off the power and remove the MiniDisc Load a disc 80 EEPROM READ ERROR 41 UTOC WRITE ERROR f focus ERROR r TOC READ a SERVO ADJUST u UTOC READ s TRACK SEARCH w Data WRITE g ERROR MESSAGES NO SIGNAL PLAY MD POWER PROTECTED SORRY TEMP OVER TOC FORM TOC FULL Tr Protect DISC MEANING Poor connection of the digital cable No output signal comes out from the co...

Page 7: ... grabar Insert according to the direction arrow Insértelo de acuerdo con la dirección de la flecha Recordable Para poder grabar Recording prevented Para no poder grabar 2 Connect the AC adaptor Conecte el adaptador de CA To the DC IN 5V jack A la toma DC IN 5V 2 1 AC 120V 60 Hz 120V CA 60Hz Insert securely all the way in Insértelo con seguridad a fondo To an AC outlet A un tomacorriente de CA 1 Pl...

Page 8: ... recording level only ana log connection Adjust the recording level so that the maximum sound volume from the source makes the reading swing somewhere between 4 dB and 0 dB Pulse el botón REC LEVEL o para ajustar el nivel de grabación sólo con conexión analógica Ajuste el nivel de grabación para que el volumen de sonido máximo de la fuente produzca una indicación de entre 4 dB y 0 dB 0dB 4dB 4 Pre...

Page 9: ...cified may cause contact with the mechanism unit resulting in malfunction 3 When repairing pay close attention so not to damage the IC from static electricity REMOVAL PROCEDURE STEP FIGURE Figure 9 1 Figure 9 2 Figure 9 3 Caution Carefully handle the main PWB and flexible PWB After removing the flexible PWB 1 for the optical pickup from the connector do not touch directly the front end of flexible...

Page 10: ...d wire 2 Remove the screw B2 x 1 pc and remove the flexible PWB 3 Remove the screw B3 x 1 pc and remove the head up down motor Note Take care so that the motor gear is not damaged If the gear is damaged noise is caused How to remove the sled motor See Fig 10 3 1 Remove the stop washer C1 x 1 pc and remove the drive gear C2 x 1 pc 2 Remove the screws C3 x 2 pcs and remove the sled motor 3 Remove th...

Page 11: ...ror rate display pit section ADIP error rate display groove section The temperature correction is performed only when servo start is performed but the posture correction is not performed during continuous playback 4 TEST REC Mode Continuous record from the specified address is performed Change of record laser output servo gain is also changed according to laser output The temperature correction is...

Page 12: ...ges continuously one cycle being 100 ms When the BASS button is pressed in the continuous playback mode the number of jump lines changes as follows 1 10 384 1 After the number of jump lines is indicated for one second the address indication is restored T R _ When the SKIP UP button is pressed in the continuous playback mode the specified number of lines is jumped in the FWD direction When the SKIP...

Page 13: ...he memory When the DISP button is pressed while the error data indication menu appears the error data is initialized C L E A R _ Error Code Explanation of error history code 12h RF side FG TG and TCRS adjustment termination failure 13h Adjustment servo retraction excessive retrial 16h C IN detection time over 17h A B E F and TCRSO offset measurement value out of tolerable range 21h Focus retractio...

Page 14: ...t PLAY ON in standby state 2 Start the EEPROM mode Temp menu Key operation in order of BASS SKIP DOWN x 2 times PLAY PLAY in the test mode STOP state TM is displayed Temperature code Temperature reference 3 Once press SKIP UP and determine the displayed microcomputer TEMP input AD value TPin is displayed TEMP input AD value 4 At the ambient temperature determine the temperature corrected value fro...

Page 15: ...1 _ 1 1 H C T 2 _ 4 0 H C T 3 _ 3 0 H R C 0 _ C 0 H R C 1 _ F E H S Y C _ A 6 H P W L _ 0 1 H D R 1 _ 0 0 H D R 2 _ 0 0 H I N 1 _ C 9 H I N 2 _ 6 4 H I N 3 _ 9 9 H I N H _ 6 4 H D R H _ 0 C H P L E _ 1 B H R C E _ 4 2 H E L T _ 7 6 H S L T _ 4 5 H S P M _ 0 0 H M S L _ 0 0 H U S 0 _ 0 0 H U S 1 _ 0 0 H U S 2 _ 0 0 H Item display Set values F G _ _ B 0 H F F 1 _ 7 0 H F F 2 _ E 8 H F Z H _ E D H F ...

Page 16: ...menu M A N U 2 Error history display menu E D A T A Test mode normal playback menu N O R M A L Pick up moves toward the MD inner position Preautomatic Adjustment menu Preadjustment error adjustment value output During preadjustment adjustment Adjustment error Normal end Preadjustment normal end adjustment value output During ATT automatic adjustment PLAY PLAY A U T O 1 Preautomatic Adjustment A D ...

Page 17: ...rt address changes as follows when the DISP button is pressed 0 0 3 2 H initial value 0 3 C 0 H 0 7 0 0 H 0 8 A 0 H A d 0 0 3 2 A d 0 3 C 0 DISP DISP A d 0 7 0 0 DISP DISP A d 0 8 A 0 In the start address setting state the start address change digit changes when the BASS button is pressed 1st digit initial value 2nd digit 3rd digit A d 0 0 3 2 A d 0 0 3 2 MODE MODE A d 0 0 3 2 MODE In the continuo...

Page 18: ...n the STOP button is pressed in specific menu the TEST MODE STOP state is set TEST mode normal playback menu Continuous playback Mode and address display PLAY N O R M A L Test Mode Normal Playback When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the NORMAL mode is cancelled the power is turned off Error history display menu Error history 0 display Error code Er...

Page 19: ...menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific state the setting changes in the range of 00h to FFh when the VOL UP DOWN button is pressed The upper limit varies depending on the items When the MODE button is pressed in each state the set digit is changed Focus setting menu PLAY F o c u s ...

Page 20: ...ate the set digit is changed Tracking setting menu PLAY T r a c k Tracking Setting T G T F 1 SKIP UP SKIP DOWN T F 2 SKIP UP SKIP DOWN T F S SKIP UP SKIP DOWN T B o SKIP UP SKIP DOWN T B t SKIP UP SKIP DOWN T K o SKIP UP SKIP DOWN T K t SKIP UP SKIP DOWN T D o SKIP UP SKIP DOWN T D t SKIP UP SKIP DOWN When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the DISP bu...

Page 21: ...P UP SKIP DOWN When the STOP button is pressed in specific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific state the setting changes in the range of 00h to FFh when the VOL UP DOWN button is pressed When the MODE button is pressed in each state the set digit is changed Adjustment setting me...

Page 22: ...specific setting display state the setting change digit changes when the P MODE button is pressed 1st digit initial value 2nd digit P MODE P MODE In the specific state the setting changes in the range of 0h to Fh when the VOL UP DOWN button is pressed When the MODE button is pressed in each state the set digit is changed Control setting menu PLAY C T R L Control Setting C T 0 C T 1 SKIP UP SKIP DO...

Page 23: ... button is pressed in specific menu the TEST MODE STOP state is set When the DISP button operation is performed in the specific state the menu changes to TEMP SETTING menu In the specific setting display state the setting change digit changes when the P MODE button is pressed 1st digit initial value 2nd digit P MODE P MODE In the specific state the setting changes in the range of 0h to Fh when the...

Page 24: ...ymbol is microfarad As to electro lytic capacitor the expression capacitance withstand volt age is used CH TH RH UJ Temperature compensation ML Mylar type The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chas sis with no signal given Parts marked with are important for maintaining the safety of the set Be sure to replace these parts wit...

Page 25: ...N IC701 AUDIO AMP IR3R54N IC601 4 CH PWM DRIVER LV8017W IC402 EEPROM 58X2402T IC202 IX2567AF 4M D RAM 2 5V OPTICAL IN UNIT J701 OPTICAL IN J701 LINE IN J702 MIC IN READY FOR PLUG IN POWER IC203 62FP2002 2V REGULATOR 1 2 21 23 6 5 7 7 30 35 VCC VG 43 16 18 20 22 39 41 17 21 27 40 44 13 14 24 42 40 26 29 32 37 39 46 1 9 11 19 7 9 66 74 9 2 3 15 16 4 21 20 17 9 16 7 18 10 12 6 24 L CH 22 R CH 17 Q721...

Page 26: ... VCC uSTBY NMI EXTAL WDTOVF MD2 MD1 MD0 RCPCNT BUZOUT VSS VSS VSS EEPD PCNT1 PBOPON RCLAT PBLAT RADAT RACLK RFLAT RMDAT MCMON CKSTP INPGCK PDCNT INPGI MCPGI TEST1 TEST0 KHOLD REC PLAY DCEXT DSPSCK DSPSTB DSPDAT HDON DISCPR DCNT1 RKEY EJSW AVCC FOK SENSE RESET CIN SPIN XTAL VCC EMPH0 LDON INNSW VSS SYRD SYRS SYWR SYD7 SYD5 SYD4 SYD6 SYD3 SYD1 SYD2 SYD0 XRST EEPK AVSS EPCS Vref LDVAR TEMP HKEY2 HKEY...

Page 27: ... R713 10K C726 3 3 10 R725 100 R726 39K Q721 2SD1979S C725 3 3 10 L702 L703 R714 10K L704 J701 OPTICAL LINE IN J702 MIC IN C722 3 3 10 R724 6 8K R723 6 8K C724 0 001 C723 0 001 C721 3 3 10 C731 0 22 R727 8 2K R728 1K R729 2 7K R730 2 7K J703 REMOTE CONTROL HEADPHONES C491 0 1 D494 MA8075M L491 33 R492 1K D492 MA8075M C492 1 D496 MA8075M D495 MA8075M C766 0 22 C765 0 22 R766 15 R765 15 C761 2 2 IC7...

Page 28: ...66 D495 D496 L801 R808 R810 C765 C766 C758 D492 L491 C481 C760 R757 R758 R754 R761 TP453 R457 TP412 TP451 TP452 R456 TP481 TP454 R458 R455 TP482 TP456 C482 CN482 CN451 TP483 TP460 TP486 TP458 TP461 TP487 TP489 TP463 TP459 TP488 R451 R452 R453 R454 TP462 TP206 TP656 R463 TP457 R806 TP455 TP419 R465 D803 TP210 R461 Q891 TP209 R466 R811 TP417 R802 D431 TP416 TP208 D802 R801 R809 R803 C431 TP204 R431 ...

Page 29: ...03 LID DETECTION R850 C845 R844 C818 R818 C850 4 1 2 3 C202 L841 C833 IC841 D831 C835 D832 R202 D841 C843 C842 C821 L821 C834 C838 R833 C832 C201 L200 IC821 CK222 IC203 CK224 D821 C822 C212 R222 C852 C211 XL201 C851 CK207 D851 L851 L862 C869 IC851 C868 C863 CK205 D861 C862 CK204 CK202 CK201 C840 Q461 D862 C209 R462 R460 IC621 C606 R621 C823 R622 D622 R816 R815 R814 Q803 C853 IC802 C849 R807 R812 R...

Page 30: ...Head Flexible PWB 23 Magnetic Head 21 Mechanism Flexible PWB 8 M902 Sled Motor PH901 Photo Interrupter M901 Spindle Motor SW902 Disc Protect TO MAIN PWB CN601 TO MAIN PWB P28 6 F CN482 LCD Ass y 214 Key Switch Flexible PWB Ass y 213 CN451 CN101 TO MAIN PWB P28 1 C P28 1 E TO MAIN PWB P28 6 E M903 Lift Motor ...

Page 31: ... 2 34V 0V 2 5V 0V 1 26V 0V 2 35V 0V 0V 2 5V 0V 2 34V 2 34V 0V 0V 0V 0V 0V 0V 2 74V 2 74V 2 5V 0V 2V 4 44V 0 45V 1 03V 3 28V 0 45V 0 99V 4 38V 4 4V 4 46V 0V 0V 5 36V 0V 0V 0V 2 35V 5 36V 1 17V 2 8V 0 37V 0V 1 17V 1 17V 1 16V 1 26V 2 8V 2 06V 2 06V 0V PIN NO VOLTAGE 1 IC842 2 4 5 3 2 81V 2 56V 0V 2 36V PIN NO VOLTAGE IC852 1 2 4 5 6 7 8 3 1 17V 2 8V 0 67V 0V 1 2V 1 17V 1 16V 1 26V 1V 2 36V 0V 1 18V ...

Page 32: ...000V CH2 0 00V Main 1K Zoom 1K CH3 0 00V CH4 0 00V Trigger Mode AUTO Type EDGE CH1 Detay 0 0ns Hold OFF MINIMUM T TP201 EFMMON Stopped CH1 2V DC 10 1 500ms div 500ms div 1 MORM 200MS s 9 1994 12 15 08 57 26 Filter Offset Record Length Smoothiing OFF BW FULL CH1 0 00V CH2 0 00V Main 10K Zoom 10K CH3 0 000V CH4 0 0V Trigger Mode NORMAL Type EDGE CH1 Detay 0 0ns Hold OFF MINIMUM T TP201 EFMMON TP210 ...

Page 33: ...ens with a lens cleaning tissue and a small amount of isopropyl alcohol Do not touch the lens with the bare hand Is the power supply turned on when the remote control button or main unit button is pressed No Perform the check stated in item Power is not turned on when the PLAY button is pressed Perform the check stated in item Abnormal display No Yes Does the display operate normally Is playback s...

Page 34: ...he playback time display advance Yes Position check in INNER mode Check IC201 and IC202 connection line Is the lead in photointerrupter set to OFF when the optical pickup moves to the innermost position in NORMAL mode Is TP654 in H level Check the lead in photointerrupter mechanical flex PWB soldering and CN601 connection No Is the low reflection disc repeating to read the TOC part Yes No No Repla...

Page 35: ...for soldering failure of IC201 No Check periphery of IC401 and IC101 Check whether there is any damage in IC101 periphery of laser diode Yes Check for defects of IC351 in head drive flexible PWB head flexible PWB No Yes Is audio monitor output given in normal mode LINE IN record Check waveforms of pins 8 10 11 12 of IC501 pins 70 to 73 of IC201 Is waveform obtained on IC501 pins 2 and 3 No Yes Che...

Page 36: ...0 CKSTP Output Microcomputer stand by operation monitor 33 PC1 _XRST Output System LSI hand reset output 34 PC2 SENSE Input System LSI servo sense input 35 PC3 _FOK Input Focus OK signal input 36 PC4 RCLAT Output Record audio IC data latch output 37 PC5 TEST1 Input Test mode setting input 1 38 PC6 TEST0 Input Test mode setting input 0 39 PC7 EMPH0 Output Audio emphasis control output 0 40 Vcc VCC ...

Page 37: ...ry voltage detection input 80 AN1 PLCHK Input Power supply circuit abnormal detection input 81 AN2 HKEY2 Input Unit key operation detection input 2 82 AN3 HKEY1 Input Unit key operation detection input 1 83 AN4 RKEY Input Remote control key operation detection 84 AN5 TEMP Input Ambient temperature detection inputinput 85 AN6 CHGCNT Output Charging current control output 86 DA1 LDVAR Output P U las...

Page 38: ...58 EXPORT6 DAPON Output D A converter operation control output H Operation ON 59 EXPORT7 ADPON Output A D converter operation control output H Operation ON System LSI expansion output port LR37811 Pin No Function Port Name Terminal Name Input Output Remarks H H Normal mode H L No adjustment mode L H Test mode L L Settings prohibited TEST1 Details 1 List of TEST port settings H H fs 32K ON H L fs 4...

Page 39: ...ylindrical type without lead wire VC MN Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistor...

Page 40: ...C Schottky HRB0103B D841 VHDF10J2E 1 J AC Schottky F10J2E D842 VHDHRB0103B 1 J AC Schottky HRB0103B D851 VHDD1FH3 1 J AE Schottky D1FH3 D861 862 VHDF10J2E 1 J AC Schottky F10J2E PH901 8 2 VHPGP1S93K 1 J AF Photo Interrupter GP1S93K COILS L100 VPBNN100K0000 J AC 10 µH L171 RCILC0356AFZZ J AC 10 µH L201 202 RCILC0353AFZZ J AB Tip Impeder 100mA L204 206 RCILC0353AFZZ J AB Tip Impeder 100mA L451 452 R...

Page 41: ...J AA 1 2 kohms 1 16W R202 VRS TV2AB330J J AA 33 ohms 1 10W R203 RCILC0353AFZZ J AB Tip Impeder 100mA R204 VRS CY1JB102J J AA 1 kohm 1 16W R205 VRS CY1JB334F J AA 330 kohms 1 16W R206 VRS CY1JB274F J AA 270 kohms 1 16W R207 VRS CY1JB681J J AA 680 ohms 1 16W R209 RCILC0353AFZZ J AB Tip Impeder 100mA R222 VRS CY1JB105J J AA 1 Mohm 1 16W R250 251 VRS CY1JB101J J AA 100 ohm 1 16W R252 VRS CY1JB154D J A...

Page 42: ...h Push Type Disc Protect 9 MLEVF2641AFZZ J AC Lever Eject 11 MSPRP0923AFZZ J AB Spring Thrust Plate 12 MSPRP0925AFZZ J Spring Drive Screw 13 NGERH0603AFZZ J AE Gear Drive 14 LANGF1610AFZZ J AC Bracket Cancel 15 RCTRH8209AFZZ J Optical Pickup Unit 16 MSPRP0922AFFJ J AD Spring Drive Grip 17 NSFTM0292AFFW J AC Shaft Guide 18 MSPRT1625AFFJ J AD Spring Eject Lever 19 MLEVF2637AFM1 J AH Lift Working Lev...

Page 43: ...D Battery Case UBAGC0006AWSA J AH Carrying Case UBATM0003AWSA J AR Battery Nickel Metal Hydride P W B ASSEMBLY Not Replacement Item PWB A 92LPWB3355MDSS J Main OTHER SERVICE PARTS UDSKM0001AFZZ J AZ Recording Minidisc 88GMMD 110 J BV High Reflection Disc MMD 110 TEAC Test MD 88GMMD 212 J BU Low Reflection Disc MMD 212 TEAC Test MD 88GMMD 213A J BT Low Reflection Disc MMD 213A TEAC Test MD 4 ...

Page 44: ... H 1 2 3 4 5 6 Figure 5 MD MECHANISM EXPLODED VIEW 5 M903 M902 M901 503x2 505x3 508x2 502x2 3 501 21 23 511 8 3 SW902 8 1 8 8 2 PH901 504 503 504 12 19 11 1 2 16 17 15 509 510 24 506 13 503 14 5 22 26 9 18 20 25 6 7 512 507 ...

Page 45: ...BINET EXPLODED VIEW 6 204 MD MECHANISM 205 203 214 234 233 213 215 202 237 601x2 601 x2 216 603 602 212 218 236 601x2 601 601 601x2 209 PWB A 208 220 220 221 219 229 223 222 207 224 225x2 240 226 201 241 241 235 605x4 228 227 231 232 206 230 601 211 ...

Page 46: ...AKZ0490AWZZ Bag Unit SSAKH0033AWZZ Battery Connecting Cord RCA Type AC Adaptor Headphones Remote Control Packing Add SPAKA0237AWZZ Packing Case SPAKC1046AWZZ Pad AC Adaptor SPAKZ0630AWZZ Connecting Cord Optical Type Quick Guide Not Replacement Item Carrying Case Battery Case Pad Protection SPAKZ0624AWZZ Operation Manual Label Bar Code ...

Page 47: ...MD SR60 M E M O 8 ...

Page 48: ...trieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0007 1766DS HA M SC SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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