Sharp MD-R2 - User Manual

Sharp MD-R2

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Table of Contents:

  • Page 2 – General; SPECIFICATIONS; Remote control; IMPORTANT SERVICE NOTES; TEST PROBE
  • Page 3 – NAME OF PARTS; Front panel
  • Page 4 – OPERATION MANUAL; Names of controls; TTI; Setting the date
  • Page 5 – Setting the time; Moisture condensation
  • Page 6 – inue; If a problem occurs; ont
  • Page 7 – MINIDISC DECK; Turning the power on and off; SYNC REC
  • Page 8 – DISASSEMBLY; REMOVAL; Display PWB
  • Page 9 – MD Mechanism; • Jog knob replacement procedure
  • Page 10 – REMOVING AND REINSTALLING THE MAIN PARTS; MD MECHANISM SECTION; Open the rpller arm lever in the arrow direction, and lower
  • Page 11 – Be careful so that the turntable is not damaged.; Sled Motor
  • Page 12 – ADJUSTMENT; TEST MODE; ) Mode there are 5 kinds TEST MODE as below.; MODE; NOTE. MD test are necessary mode only for MD Unit.
  • Page 13 – KEY TEST; Preparation for adjustment; Test disc; MD SECTION; Type
  • Page 14 – • Test Mode; Setting Method
  • Page 15 – AUTO adjustment mode; : M e a s u r e m e n t v a l u e ,
  • Page 16 – MANUAL auxiliary adjustment mode (only low reflection disc)
  • Page 17 – Low reflection disc
  • Page 22 – Lead-in switch position measurement mode; Mechanism Switch PWB; Forced rotation of loading motor
  • Page 23 – jitter Meter
  • Page 24 – EXPLANATION OF ERROR DISPLAY; Error display
  • Page 25 – EXPLANATION OF MECHANISM ERROR; Procedure to replace E
  • Page 27 – -PROM Setting Mode Chart; t m s e
  • Page 28 – DIGITAL; MOTOR; MD SYSTEM; DRAM; ENDEC; RF
  • Page 30 – NOTES ON SCHEMATIC DIAGRAM can be found on page 43.
  • Page 33 – SYSTEM
  • Page 37 – COLOR TABLE
  • Page 43 – NOTES ON SCHEMATIC DIAGRAM; • Schematic diagram and Wiring Side of P.W.Board for this; Figure 43 TYPES OF TRANSISTOR AND LED; DESCRIPTION
  • Page 44 – WAVEFORMS OF MD CIRCUIT
  • Page 46 – TROUBLE SHOOTING; When MD fails operate
  • Page 51 – FUNCTION TABLE OF IC; Function
  • Page 52 – Figure 52 BLOCK DIAGRAM OF IC
  • Page 57 – Terminal Name
  • Page 59 – PARTS GUIDE; Parts marked with “; MODEL; “HOW TO ORDER REPLACEMENT PARTS”; Contact your nearest SHARP Parts Distributor to order.; Explanation of capacitors/resistors parts codes; Capacitors; If there are no indications for other parts, the resistors are
  • Page 60 – PRICE
  • Page 61 – RESISTORS
  • Page 62 – OTHER CIRCUITRY PARTS
  • Page 63 – MECHANICAL PARTS
  • Page 64 – OTHER SERVICE PARTS
  • Page 65 – Figure 6 MD MECHANISM EXPLODED VIEW
  • Page 66 – Figure 7 CABINET EXPLODED VIEW; MD Unit
  • Page 67 – PACKING OF THE SET; FRONT; Feature Label; : Not Replacement Item
  • Page 68 – COPYRIGHT 1998 BY SHARP COPORATION; SC; Printed in Japan
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MD-R2

– 1 –

• 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.

MD-R2

CONTENTS

Page

IMPORTANT SERVICE NOTES ............................................................................................................................................ 2
SPECIFICATIONS ................................................................................................................................................................. 2
NAMES OF PARTS ............................................................................................................................................................... 3
OPERATION MANUAL .......................................................................................................................................................... 4
QUICK GUIDE ....................................................................................................................................................................... 7
DISASSEMBLY ...................................................................................................................................................................... 8
REMOVING AND REINSTALLING THE MAIN PARTS ....................................................................................................... 10
ADJUSTMENT ..................................................................................................................................................................... 12
EXPLANATION OF ERROR DISPLAY ................................................................................................................................ 24
EXPLANATION OF MECHANISM ERROR ......................................................................................................................... 25
BLOCK DIAGRAM ............................................................................................................................................................... 28
SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD ................................................................................................... 30
VOLTAGE (MD MAIN PWB) ................................................................................................................................................ 42
NOTES ON SCHEMATIC DIAGRAM .................................................................................................................................. 43
WAVEFORMS OF MD CIRCUIT .......................................................................................................................................... 44
TROUBLE SHOOTING ........................................................................................................................................................ 46
FUNCTION TABLE OF IC .................................................................................................................................................... 51
PARTS GUIDE/EXPLODED VIEW
PACKING OF THE SET

SERVICE MANUAL

SHARP CORPORATION

No. S1805MDR2////

This document has been published to be used
for after sales service only.
The contents are subject to change without notice.

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Summary

Page 2 - General; SPECIFICATIONS; Remote control; IMPORTANT SERVICE NOTES; TEST PROBE

MD-R2 – 2 – General Type: MiniDisc deck Signle readout: Non-contact, 3-bean semi-conductorlaser pick-up Audio channels: Stereo 2 channels/monaural (long-play mode) 1 channel Frequency response: 4 - 20,000 Hz (+0/-1 dB) Rotation speed: Approximately 400 to 900 rpm Error correction: ACIRC (Advanced Cr...

Page 3 - NAME OF PARTS; Front panel

MD-R2 – 3 – NAME OF PARTS Front panel 1. TOC Indicator: TOC2. Total Time Indicator3. Disc Name Indicator4. Track Name Indicator5. Date Indicator6. Level Meter/Character Information Display7. Recording Level Indicator8. Recording Level Too High Indicator9. Music Calender 10. More Tracks Indcator11. P...

Page 4 - OPERATION MANUAL; Names of controls; TTI; Setting the date

MD-R2 – 4 – OPERATION MANUAL Names of controls 1. Remote Control Transmitter Window2. Direct Key Buttons3. Play Mode Button4. Music Scan Button5. Input Select Button6. Display Button7. Time Button8. Auto Mark Button9. Track Down/Review Button: 10. Track Up/Cue Button: 11. Power Button12. Program But...

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