Sony 4-216-840-0 57 58

MDS-M100

– 57 – – 58 –

6-12. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 65 for Waveform.

• Voltages and waveforms are dc with respect to ground

under no-signal conditions.

no mark : PLAY

(Page 47)

(Page 49)

(Page 64)

(Page 59)

(Page 47)

Contents

Main SERVICE MANUAL MINIDISC DECK MDS-M100 SELF-DIAGNOSIS FUNCTION Items of Error History Mode Items and Contents SECTION 1 SERVICING NOTES 7. EXPLODED VIEWS 8. ELECTRICAL PARTS LIST Page JIG FOR CHECKING BD BOARD WAVEFORM Page CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS [] ** RETRY CAUSE DISPLAY MODE Fig. 1 Reading the Test Mode Display (During recording and stop) Fig. 2 Reading the Test Mode Display (During playback) ** Hexadecimal Binary Conversion Table Page COVER FRONT PANEL SECTION SECTION 3 DISASSEMBLY MAIN BOARD MECHANISM DECK SECTION (MDM-5A) SLIDER (CAM) BASE UNIT (MBU-5A), BD BOARD SW BOARD, LOADING MOTOR (M103) SECTION 4 TEST MODE 5. SELECTING THE TEST MODE Group (*) C: Check S: Service A: Adjust Page 6. FUNCTIONS OF OTHER BUTTONS 7. TEST MODE DISPLAYS MEANINGS OF OTHER DISPLAYS SECTION 5 ELECTRICAL ADJUSTMENTS 1. PARTS REPLACEMENT AND ADJUSTMENT 2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION 3. PRECAUTIONS FOR USE OF OPTICAL PICK-UP (KMS-260A) Optical pick-up flexible board 4. PRECAUTIONS FOR ADJUSTMENTS Laser power meter 6. CHECK PRIOR TO REPAIRS [EJECT] 7. INITIAL SETTING OF ADJUSTMENT VALUE 8. RECORDING AND DISPLAYING THE IOP INFORMATION 9. TEMPERATURE COMPENSATION OFFSET ADJUSTMENT 10. LASER POWER ADJUSTMENT 11. TRAVERSE ADJUSTMENT 12. FOCUS BIAS ADJUSTMENT Page Adjustment Location: 6-1. IC PIN FUNCTION DESCRIPTION SECTION 6 DIAGRAMS Page Page Page Page 35 36 37 38 6-2. BLOCK DIAGRAM MD SERVO Section C A B 39 40 6-3. BLOCK DIAGRAM MAIN Section A B C SIGNAL PATH : PLAY (ANALOG OUT) : REC (ANALOG IN) 41 42 6-4. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS BD board PANEL 2 board d 43 44 6-5. PRINTED WIRING BOARD BD Board Semiconductor Location Page 47 48 6-7. SCHEMATIC DIAGRAM BD Board (2/2) 49 50 6-8. SCHEMATIC DIAGRAM SW Board (Page 56) BD Board IC101 CXA2523AR 6-9. PRINTED WIRING BOARD SW Board 51 52 IC121 CXD2654R IC152 BH6511FS-E2 MAIN Board IC301 DA1341TS/N2 IC406 M62016L Page 55 56 6-11. PRINTED WIRING BOARD MAIN Board Semiconductor Location 57 58 6-12. SCHEMATIC DIAGRAM MAIN Board (1/2) 59 60 61 62 6-14. PRINTED WIRING BOARDS PANEL/P ANEL 2 Boards Page #1 3.8 Vp-p 2.8224 MHz 65 66 Waveforms BD Board SECTION 7 EXPLODED VIEWS 67 (2) CHASSIS SECTION 68 (3) MECHANISM SECTION (MDM-5A) 69 70 SECTION 8 ELECTRICAL PARTS LIST AC SELECT BD BD 71 MAIN 72 MAIN 73 MAIN PANEL PANEL 2 74 75 PANEL 2 SW TRANS