Sony MDS-S50 Service Manual

Sony MDS-S50 - Md Player Manual

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  • Sony MDS-S50 | Service Manual - Page 1
    SERVICE MANUAL Ver 1.0 2001.02 MDS-S50 US Model Canadian Model AEP Model UK Model E Model Australian Model Photo: Gray model US and foreign patents licensed from Dolby Laboratories. Model Name Using Similar Mechanism MD input: 500 mVrms MINIDISC DECK 9-929-257-11 2001B0500-1 C 2001.2 Sony
  • Sony MDS-S50 | Service Manual - Page 2
    problem persist, consult your nearest Sony dealer. C11/Protected , Take out the MD and close the record-protect slot. C12/Cannot Copy • You tried to record a CD with a format that the external device connected to the deck does not support AMS >] knob and when "[Service]" is displayed, press the [YES
  • Sony MDS-S50 | Service Manual - Page 3
    MDS-S50 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Display Details of History op rec tm Cumulative recording time is displayed. When cumulative recording time is over 1 minute, the hour and minute are displayed as they are. When it is under 1 minute, "Under 1 min" is displayed. The
  • Sony MDS-S50 | Service Manual - Page 4
    MDS-S50 Table of Error Codes Error Code Details of Error 10 Loading failed 30 Playing could not start 31 Content of sector is erroneous 40 Cause of retry occurred during normal recording 41 D-RAM overflowed and retry was executed 42 Retry was executed during the writing to TOC 43
  • Sony MDS-S50 | Service Manual - Page 5
    MDS-S50 TABLE OF CONTENTS SELF-DIAGNOSIS FUNCTION 2 1. SERVICING NOTES 7 2. GENERAL 12 3. DISASSEMBLY 3-1. Disassembly Flow 14 3-2. Case 15 3-3. MD Mechanism Deck THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. ATTENTION AU
  • Sony MDS-S50 | Service Manual - Page 6
    MDS-S50 Notes on chip component replacement • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 ˚C dur- ing repairing. • Do not touch the
  • Sony MDS-S50 | Service Manual - Page 7
    you will lose your sight. MODEL IDENTIFICATION - BACK PANEL - MODEL US model Canadian model AEP, UK, Argentina models Singapore model Australian model Hong Kong model Brazilian model MDS-S50 Part No. Part No. 4-228-443-2[] 4-228-443-3[] 4-228-443-4[] 4-228-443-5[] 4-228-443-6[] 4-228-443-7[] 4-228
  • Sony MDS-S50 | Service Manual - Page 8
    MDS-S50 JIG FOR CHECKING BD BOARD WAVEFORM The special jig (J-2501-196-A) is useful for checking the waveform of the BD board. The names of terminals
  • Sony MDS-S50 | Service Manual - Page 9
    MDS-S50 IOP DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OF BD BOARD) ARE REPLACED The IOP value labeled on the optical pick-up can be recorded in the non-volatile memory. By recording [.AMS>] knob to display "[Service]", and press the [YES] that the MD deck does not
  • Sony MDS-S50 | Service Manual - Page 10
    MDS-S50 RETRY CAUSE DISPLAY MODE IN MD • In this test mode, the causes for retry of the unit during recording and stop can be displayed the faulty part of the unit. • The following will be displayed : During recording and stop : Retry cause, number of retries, and number of retry errors.
  • Sony MDS-S50 | Service Manual - Page 11
    MDS-S50 Reading the Retry Cause Display Higher Bits Lower Bits HexaHexadecimal 8 4 2 1 8 4 2 1 decimal Bit b7 b6 b5 b4 b3 b2 b1 b0 Binary 0 0 0 0 0 0 0 1 01 0 0 0 0 0 0 1 0 02 0 0 0 0 0 1 0 0 04 0 0 0 0 1 0 0 0 08 0 0 0 1 0 0 0 0
  • Sony MDS-S50 | Service Manual - Page 12
    MDS-S50 LOCATION OF CONTROLS - Front Panel - SECTION 2 GENERAL This section is extracted from instruction manual. AMS qf (8) (10) (12) (13) (24) CLEAR qd (18) (24) Display qg (8) (17) INPUT qj (8) LEVEL/DISPLAY/CHAR 2 (8) (12) (24) MD insertion slot 5 (16) MD/LP indicator 3 (10) (17) MENU/NO 7 (
  • Sony MDS-S50 | Service Manual - Page 13
    Remote control H MDS-S50 AyB qs (16) CD PLAYER . (go back)/> (go forward) ql (15) CD-SYNCHRO STANDBY/START/STOP 7 (14) (15 (16) m (fast reverse)/M (fast forward) qf (17) (18) (24) . (go back)/> (go forward) qg (8) (10) (16) (25) (26) z (recording) qh (8) N (play) qk (16) Z (eject) wh (8) (17) 13
  • Sony MDS-S50 | Service Manual - Page 14
    MDS-S50 • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW SECTION 3 DISASSEMBLY Set 3-2. CASE (Page 15) 3-3. MD MECHANISM DECK (MDM-7A) (Page 15) 3-4. MAIN BOARD (Page 16) 3-5. BD BOARD (Page 16) 14
  • Sony MDS-S50 | Service Manual - Page 15
    the disassembly procedure in the numerical order given. 3-2. CASE 1 two screws (case 3 TP2) 2 case MDS-S50 1 two screws (case 3 TP2) 3-3. MD MECHANISM DECK (MDM-7A) 3 four screws (BVTTWH M3) 4 MD mechanism deck (MDM-7A) 1 wire (flat type) (23 core) (CN400) 1 wire (flat type) (27 core) (CN1
  • Sony MDS-S50 | Service Manual - Page 16
    MDS-S50 3-4. MAIN BOARD 4 two screws (BVTP3 × 10) 1 wire (flat type) (23 core) (CN400) 1 wire (flat type) (27 core) (CN1) 2 connector (CN902) 1 wire (flat type) (20 core) (
  • Sony MDS-S50 | Service Manual - Page 17
    MDS-S50 is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating. Therefore, it the [.AMS>] knob between the following three groups; ···Tt [Check] Tt [Service] Tt [Develop] Tt ···. Procedure 2: While pressing the [.AMS >] knob,
  • Sony MDS-S50 | Service Manual - Page 18
    MDS-S50 4-5. SELECTING THE TEST Set (MO) C10 AG Set (CD) C11 TEMP CHECK C12 LDPWR CHECK C13 EF MO CHECK C14 EF CD CHECK C15 FBIAS CHECK C16 ScurveCHECK C17 version, etc. Continuous playback mode Continuous recording mode Mark Group Check Service • For details of each adjustment mode
  • Sony MDS-S50 | Service Manual - Page 19
    MDS-S50 4-5-1. Operating the Continuous Playback Mode 1. Entering the continuous playback mode (1) Set the disc in the unit. (Whichever recordable discs or discs for playback only are available) (2) Turn the [.AMS>] knob to display "CPLAY1MODE" (C34). (3) Press the [YES] button to change the
  • Sony MDS-S50 | Service Manual - Page 20
    MDS-S50 4-7. TEST MODE DISPLAYS Each time the [LEVEL/DISPLAY/CHAR] button is servicing) AD error and jitter display (Not used in servicing) MEANINGS OF OTHER DISPLAYS Display N X REC SYNC L. SYNC OVER B/1 A-/REF TRACK/LP4 DISC/LP2 SHUF/SLEEP MONO When Lit Servo ON Tracking servo OFF Recording
  • Sony MDS-S50 | Service Manual - Page 21
    MDS-S50 4-8. AUTOMATIC SELF-DIAGNOSIS FUNCTION This test mode performs CREC and test mode. 3. If a disc is in the mechanical deck, it will be ejected forcibly. "DISC IN" will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded. 4. If a disc is loaded at step 3, the
  • Sony MDS-S50 | Service Manual - Page 22
    MDS-S50 SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. PARTS REPLACEMENT AND ADJUSTMENTS If malfunctions caused by optical pick-up such as sound skipping are suspected, follow the following check. Check
  • Sony MDS-S50 | Service Manual - Page 23
    MDS-S50 • Abbreviation OP: optical pick-up After turning off and then on the power, initialize the EEPROM For details, refer to "WHEN MEMORY NG IS DISPLAYED" in 1. SERVICING ERROR HISTORY MODE ITEMS AND CONTENTS) (See page 3) 5-8. RECORDING AND DISPLAYING THE IOP INFORMATION (See page 28) "spdl
  • Sony MDS-S50 | Service Manual - Page 24
    MDS-S50 be checked without the need to solder. (Refer to Servicing Notes on page 8) 7. As the disc used will is convenient. It sharply reduces the time and trouble to set the laser power meter sensor onto Initial setting of adjustment value 5-8. Recording and displaying of Iop information 5-9.
  • Sony MDS-S50 | Service Manual - Page 25
    MDS-S50 5-5. USING THE CONTINUOUSLY RECORDED DISC • This disc is used in focus bias adjustment and error rate check. The following describes how to create a continuous recording recording. 5-6. CHECKS PRIOR TO REPAIRS AMS >] knob to display "LDPWR CHECK" (C13). 3. Press the [YES] button once to
  • Sony MDS-S50 | Service Manual - Page 26
    MDS-S50 5-6-4. Auto Check This test mode performs CREC and CPLAY automatically for mode. 3. If a disc is in the mechanical deck, it will be ejected forcibly. "DISC IN" will be displayed in this case. Load a test disc (MDW- 74/GA-1) which can be recorded. 4. If a disc is loaded at step 3, the
  • Sony MDS-S50 | Service Manual - Page 27
    MDS-S50 9. Press the [YES] button to display "EFB = MO-P". Then, the out the check disc (TDYS-1). 5-6-9. Self-Recording/playback Check Prepare a continuous recording disc using the unit to be repaired and check the error rate. Procedure: 1. Load a recordable disc (blank disc). 2. Turn the [.
  • Sony MDS-S50 | Service Manual - Page 28
    MDS-S50 5-7. INITIAL SETTING OF ADJUSTMENT VALUE Note: Mode which sets the adjustment results recorded in the non- pressed, the display becomes "Measu=@@@.@" (@ is an arbitrary number). 5. As the adjustment results are recorded for the step 4 value. Leave it as it is and press the [YES] button. 6.
  • Sony MDS-S50 | Service Manual - Page 29
    MDS-S50 6. Turn For details of the method for checking this value, refer to "5-8. Recording and Displaying the IOP Information" lOP=82.5 mA in this case lOP mV)/1 (Ω) 10. Press the [MENU/NO] button to display "LDPWR CHECK" (C13) and stop the laser emission. (The [MENU/NO] button is effective at
  • Sony MDS-S50 | Service Manual - Page 30
    MDS-S50 8. Turn the [.AMS >] knob so that the waveform of the oscilloscope becomes the board (see page 32) 5-13. FOCUS BIAS ADJUSTMENT Procedure: 1. Load the continuously-recorded disc. (Refer to "5-5. USING THE CONTINUOUSLY RECORDED DISC" (See page 25)) 2. Turn the [ .AMS > ] knob to display
  • Sony MDS-S50 | Service Manual - Page 31
    MDS-S50 5-14. ERROR RATE CHECK 5-14-1. CD Error Rate Check Procedure: 1. Load the check disc adjustment will be per- formed automatically. "Complete!!" will then be displayed momentarily when the value is recorded in the non-volatile memory, after which the display changes to "AG Set (MO)" (C10).
  • Sony MDS-S50 | Service Manual - Page 32
    MDS-S50 Adjustment and checking Loacation: - BD BOARD (Component Side) - D101 CN101 - BD BOARD (Conductor Side) - IC101 IC190 IC151 CN105 1 7 1. I+3V 2. IOP 3. GND 4. TE 5. FE 6. VC 7. RF Note: It is useful to use the jig for checking BD board waveform. (Refer to Servicing Notes on page 8)
  • Sony MDS-S50 | Service Manual - Page 33
    MOTOR DRIVE IC440 CLAMP 4 MOTOR DRIVE MOTOR DRIVE 2 10 M M103 (LOADING) 33 33 SYSTEM CONTROLLER IC1 (1/2) +5V REFERENCE VOLTAGE SWITCH Q440, 444 MDS-S50 (Page 34) ADDT A WAVE SHAPER IC600 OPTICAL RECEIVER IC611 DIGITAL IN OSCI 16 OSCO 17 D-RAM IC153 DIVIDER IC171 (Page 34) DADT
  • Sony MDS-S50 | Service Manual - Page 34
    MDS-S50 19 MD MECHANISM DECK DRIVER (IC440) B+ ANALOG LINE OUT CIRCUIT UNREG +12V UNREG -12V 4 ANA5 VCC2 7 10 S.RESET 13 P.DOWN AC 2 TR900 MAIN POWER TRANSFORMER D481 RECT D461, 462 RECT D471, 472 D476, 477 RECT D401 - 404 TR950 SUB POWER TRANSFORMER RECT D431, 432 EXCEPT Singapore
  • Sony MDS-S50 | Service Manual - Page 35
    MDS-S50 6-3. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board: • X : parts extracted from the component side ) • Abbreviation AR : Argentina model AUS : Australian model BR : Brazilian model CND : Canadian model HK : Hong Kong model SP : Singapore model 35
  • Sony MDS-S50 | Service Manual - Page 36
    MDS-S50 • Circuit Boards Location PT board VOL SEL board (Brazilian, Singapore) MAIN board POWER SW board DISPLAY board BD board 36
  • Sony MDS-S50 | Service Manual - Page 37
    BOARD (COMPONENT SIDE) FLEXIBLE BOARD (PACK OUT) S102-2 PROTECT DETECT S102-1 REFLECT RATE DETECT BD BOARD (CONDUCTOR SIDE) -2 (LOADING) -1 MDS-S50 2B 2C 1B 1C • Semiconductor Location Ref. No. Location D101 A-1 Q101 B-1 Q131 C-1 Q132 B-1 Q133 B-1 Q134 C-1 PLAY POSITION REC
  • Sony MDS-S50 | Service Manual - Page 38
    MDS-S50 6-5. SCHEMATIC DIAGRAM - BD Board (1/2) - • See page 48 for Waveforms. • See page 48 for IC Block Diagrams. (Page 39) (Page 39) 38 38 (Page 39) The
  • Sony MDS-S50 | Service Manual - Page 39
    6-6. SCHEMATIC DIAGRAM - BD Board (2/2) - • See page 48 for Waveforms. • See page 48 for IC Block Diagram. (Page 38) (Page 38) (Page 38) 39 39 MDS-S50 (Page 42) (Page 43)
  • Sony MDS-S50 | Service Manual - Page 40
    MDS-S50 6-7. PRINTED WIRING BOARD - MAIN Board (Component Side) - • See page 36 for Circuit Boards Location. (Page 46) • Semiconductor Location Ref. No. D155 D156 D255 D256 D401
  • Sony MDS-S50 | Service Manual - Page 41
    Conductor Side) - • See page 36 for Circuit Boards Location. IN R L ANALOG OUT R L DIGITAL IN (EXCEPT US, CND) ON OFF 2 1 MDS-S50 • Semiconductor Location Ref. No. D461 D462 D471 D472 D476 D477 D481 Location E-2 D-1 E-2 D-1 E-2 D-1 G-1 IC400 IC440 IC480 IC611 B-2 G-4 I-1 A-10 Q356
  • Sony MDS-S50 | Service Manual - Page 42
    MDS-S50 6-9. SCHEMATIC DIAGRAM - MAIN Board (1/3) - • See page 48 for Waveform. (Page 39) (Page 44) (Page 47) 42 42 (Page 43) (Page 44)
  • Sony MDS-S50 | Service Manual - Page 43
    6-10. SCHEMATIC DIAGRAM - MAIN Board (2/3) - • See page 48 for Waveforms. • See page 48 for IC Block Diagram. MDS-S50 (Page 39) (Page 42) (Page 44) 43 43
  • Sony MDS-S50 | Service Manual - Page 44
    MDS-S50 6-11. SCHEMATIC DIAGRAM - MAIN (3/3)/PT/VOL SEL Boards - • See page 48 for IC Block Diagrams. (Page 43) (Page 42) (Page 42) 44 44 The components
  • Sony MDS-S50 | Service Manual - Page 45
    6-12. PRINTED WIRING BOARDS - PT/VOL SEL Boards - • See page 36 for Circuit Boards Location. (SP, BR) VOL SEL BOARD S951 VOLTAGE SELECTOR 110V - 120V 220V - 240V LINE FILTER EXCEPT SP, BR (SP, BR) (Page 41) 45 45 MDS-S50
  • Sony MDS-S50 | Service Manual - Page 46
    MDS-S50 6-13. PRINTED WIRING BOARDS - DISPLAY/POWER SW Boards - • See page 36 for Circuit Boards Location. (EXCEPT US, CND) S701 - 705, S711 - 715 E (Page 40) • Semiconductor
  • Sony MDS-S50 | Service Manual - Page 47
    6-14. SCHEMATIC DIAGRAM - DISPLAY/POWER SW Boards - • See page 48 for Waveform. 47 47 MDS-S50 (Page 42)
  • Sony MDS-S50 | Service Manual - Page 48
    MDS-S50 • Waveforms - BD Board - 1 IC101 1 (I), 2 (J) (MD Play mode) 6 IC151 wk (XBCK) 0.5 Vp-p 3 IC500 9 (XTI) 4.4 Vp-p 1.4 Vp-p 2 IC101 4 (A) (MD Play mode) 354 ns 7 IC171 3 22.2 ns 4 IC500 qa (LRCK) 0.1 Vp-p 1.4 Vp-p 3.6 Vp-p 3 IC101 8 (E), 9 (F) (MD Play mode) 22.2 µs 22.7 µs 5
  • Sony MDS-S50 | Service Manual - Page 49
    - D3 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 52 MVCI 51 D3 MDS-S50 49
  • Sony MDS-S50 | Service Manual - Page 50
    GND MOTOR DRIVE NOISE FILTER CLAMP FWD.IN REV.IN VCC 1 VCC 2 NOISE FILTER MOTOR DRIVE MDS-S50 - MAIN Board - IC400 LA5643 PH5 1 STBY 2 VCC 3 ANA5 4 SYS3.3 5 B.BAK 6 AC 7 CD1 8 P. DOWN 9 GND 10 CD2 11 S. RESET 12 + - + - - + + - 3.3V DELAY - CIRCUIT + DELAY CIRCUIT - + VREF
  • Sony MDS-S50 | Service Manual - Page 51
    MDS-S50 6-15. IC PIN FUNCTION DESCRIPTION • BD BOARD IC101 CXA2523AR (RF AMP, FOCUS/TRACKING auto gain control circuit I Receives a RF signal in AC coupling O User comparator output terminal Not used (open) I User comparator input terminal Not used (fixed at "L") I Connected to the external
  • Sony MDS-S50 | Service Manual - Page 52
    MDS-S50 • BD BOARD IC151 CXD2662R (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL 13 RECP I Laser power selection signal input from the system controller (IC1) "L": playback mode, "H": recording mode 14 XINT O Interrupt status output to the system controller (IC1) 15 TX O Magnetic head on
  • Sony MDS-S50 | Service Manual - Page 53
    MDS-S50 Pin No. Pin Name I/O Description 48 D1 I/O 49 D0 I/O Two-way data bus with O (3) Phase comparison output for master clock of the recording/playback EFM master PLL 60 FILI I (A) Filter input for master clock of the recording/playback master PLL 61 FILO O (A) Filter output for
  • Sony MDS-S50 | Service Manual - Page 54
    MDS-S50 Pin No. Pin Name I/O Description 94 SPFD O Spindle servo drive PWM signal I 98 TEST3 I 99 DVSS - Ground terminal (digital system) 100 EFMO O EFM signal output terminal when recording mode * I (S) stands for schmitt input, I (A) for analog input, O (3) for 3-state output, and
  • Sony MDS-S50 | Service Manual - Page 55
    MDS-S50 • MAIN BOARD IC1 M30805MG-211GP (SYSTEM CONTROLLER) Pin No. 1 2 3 4 5 to 7 8 9 10 11 12 13 Pin Name FL-DATA FL-CLK A1 IN RMC NC MUTE RESET LATCH LD-LOW LDIN LDOUT I/O Description O Serial data output to the fluorescent indicator tube/LED driver (IC761) O Serial data transfer clock
  • Sony MDS-S50 | Service Manual - Page 56
    MDS-S50 Pin No. Pin Name I/O 32 XINT I 33 BEEP O 34 LRCKI O 35 WRPWR O 36 I2CCLK signal output to the CXD2662R (IC151) and HF module switch circuit "L": playback mode, "H": recording mode Serial data transfer clock signal input/output terminal for the IIC bus Serial data input/output
  • Sony MDS-S50 | Service Manual - Page 57
    MDS-S50 Pin No. -CS O Chip select signal output to the fluorescent indicator tube/LED driver (IC761) 129 I2CPOWER I Power supply detection signal input from the IIC Kong, Argentine, and Australian models, "H": US, Canadian, Singapore, and Brazilian models 135 MODEL I Model setting input
  • Sony MDS-S50 | Service Manual - Page 58
    MDS-S50 NOTE: • -XX not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items model BR : Brazilian model CND : Canadian model HK : Hong Kong model SP : Singapore model 4 A 1 14 3 14 MDM-7A not supplied 14 A #3 14 B not
  • Sony MDS-S50 | Service Manual - Page 59
    MDS-S50 7-2. FRONT PANEL SECTION 58 57 not supplied 57 57 59 57 54 64 57 62 61 not supplied VOL) (US, CND, AEP, UK) 4-228-630-01 SPRING (LID), TENSION COIL 4-228-629-61 LID (MD) (UK, BR, SP, HK, AR, AUS) 4-228-629-81 LID (MD) (US, CND, AEP) Ref. No. 57 58 59 59 59 59 61 62 64 65 65 65 Part
  • Sony MDS-S50 | Service Manual - Page 60
    MDS-S50 7-3. MECHANISM DECK SECTION-1 (MDM-7A) 211 210 219 208 202 212 209 not supplied 204 #2 217 205 206 213 214 215 216 205 203 218 207 220 4-226-997-04 SLIDER 217 4-226-998-01 LEVER (CHG) 218 4-227-006-01 GEAR (SA) 219 A-4735-075-A HOLDER ASSY 220 4-226-994-01 GUIDE (L) 60
  • Sony MDS-S50 | Service Manual - Page 61
    MDS-S50 7-4. MECHANISM DECK SECTION-2 (MDM-7A) 259 HR901 258 260 257 255 254 252 S102 GEAR (LD) 4-227-008-01 GEAR (SC) Remark 268 HR901 M101 M102 M103 4-227-009-01 GEAR (SD) 1-500-670-11 HEAD, OVER WRITE A-4672-898-A MOTOR ASSY, SPINDLE A-4735-076-A MOTOR ASSY, SLED A-4735-074-A MOTOR ASSY
  • Sony MDS-S50 | Service Manual - Page 62
    MDS-S50 BD SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked "*" are not stocked since they parts list may be different from the parts speci- are seldom required for routine service Brazilian model SP : Singapore model The components identified
  • Sony MDS-S50 | Service Manual - Page 63
    MDS-S50 Ref. No. IC151 IC153 Part No. Description 8-752-404-64 IC CXD2662R 8-759-671-27 INDUCTOR CHIP 100uH 1-469-855-21 FERRITE 0uH 1-469-855-21 FERRITE 0uH L161 1-500-245-11 FERRITE 0uH L171 1-500-245-11 FERRITE 0uH L180 1-469-855-21 FERRITE 0uH L181 1-469-855-21 FERRITE 0uH L182
  • Sony MDS-S50 | Service Manual - Page 64
    MDS-S50 BD DISPLAY MAIN Ref. No. Part No. Description R195 1-216-833-11 METAL CHIP 10K R196 1-216-833-11 METAL CHIP 10K R197 1-216-833-
  • Sony MDS-S50 | Service Manual - Page 65
    MDS-S50 MAIN Ref. No. C271 C272 C276 C277 C311 C312 C351 Part No. Description 1-137-368-11 MYLAR 1-130-471-00 MYLAR 0.0047uF 5% 0.001uF 5% 1-128-551-
  • Sony MDS-S50 | Service Manual - Page 66
    MDS-S50 MAIN Ref. No. Part No. Description Remark < IC > IC1 IC160 IC260 IC350 IC390 8-759-832-38 IC M30805MG-211GP 8-759-710-97 IC NJM4565M-D 8-759-
  • Sony MDS-S50 | Service Manual - Page 67
    MDS-S50 Ref. No. R265 R266 R271 Part No. Description 1-218-724-11 METAL CHIP 1-218-724-11 METAL CHIP 1-216-823-11 METAL CHIP R272 R276
  • Sony MDS-S50 | Service Manual - Page 68
    MDS-S50 POWER (SP) 1-435-967-11 TRANSFORMER, POWER (BR) HR901 1-500-670-11 HEAD, OVER WRITE M101 A-4672-898-A MOTOR ASSY, MANUAL, INSTRUCTION (ENGLISH) 4-230-403-21 MANUAL, INSTRUCTION (FRENCH) (CND, AEP, SP) 4-230-403-31 MANUAL, INSTRUCTION (SPANISH) (AEP, SP, AR) 4-230-403-41 MANUAL, INSTRUCTION
  • Sony MDS-S50 | Service Manual - Page 69
    MANUAL, INSTRUCTION (ITALIAN, PORTUGUESE) (AEP) 4-230-403-61 MANUAL, INSTRUCTION (TRADITIONAL CHINESE) (SP, HK) 4-230-403-71 MANUAL, INSTRUCTION (SWEDISH, DANISH, FINNISH) (AEP) 4-230-403-81 MANUAL, INSTRUCTION (POLISH, RUSSIAN) (AEP) 4-981-643-11 COVER, BATTERY (for RM-D47M) Description MDS-S50
  • Sony MDS-S50 | Service Manual - Page 70
    MDS-S50 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date 1.0 2001.02 New Description of Revision
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SERVICE MANUAL
Ver 1.0
2001.02
9-929-257-11
Sony Corporation
2001B0500-1
Audio Entertainment Group
C
2001.2
General Engineering Dept.
MINIDISC DECK
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
SPECIFICATIONS
MDS-S50
Model Name Using Similar Mechanism
NEW
MD Mechanism Type
MDM-7A
Optical Pick-up Name
KMS-260B
Photo: Gray model
System
MiniDisc digital audio
system
Disc
MiniDisc
Laser
Semiconductor laser (
λ
=
780 nm) Emission
duration:
continuous
Laser output
MAX 44.6
µ
W
1)
1)
This output is the value measured at a distance of
200 mm from the objective lens surface on the
Optical Pick-up Block with 7 mm aperture.
Laser diode
Material: GaAlAs
Revolutions (CLV)
400 rpm to 900 rpm
Error correction
ACIRC (Advanced Cross
Interleave Reed Solomon
Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive
TRansform Acoustic
Coding)/ATRAC 3
Modulation system
EFM (Eight-to-Fourteen
Modulation)
Number of channels
2 stereo channels
Frequency response
5 to 20,000 Hz
±
0.3 dB
Signal-to-noise ratio
Over 96 dB during play
Wow and flutter
Below measurable limit
Inputs
ANALOG IN
Jack type:
phono
Impedance:
47 kilohms
Rated input:
500 mVrms
Minimum input:
125 mVrms
DIGITAL IN
Connector type:
square
optical
Impedance:
660 nm
(optical wave length)
Outputs
PHONES
Jack type:
stereo phone
Rated output:
10 mW
Load impedance:
32 ohms
ANALOG OUT
Jack type:
phono
Rated output:
2 Vrms (at
50 kilohms)
Load impedance:
over 10
kilohms
General
Power requirements
US and Canadian models:
120 V AC, 60Hz
AEP, UK models:
230 V AC, 50/60Hz
Australian models:
240 V AC, 50/60Hz
Hong Kong models:
220-240 V AC, 50/60Hz
Other models:
110-120/220-240 V AC,
50/60Hz
Adjustable with voltage
selector
Power consumption
15 W
Dimensions (approx.)
280
×
84.5
×
290 mm (w/
h/d) incl. projecting parts
and controls
Mass (approx.)
2.4 kg
Supplied accessories
Audio connecting cords (2)
Optical cable (1)
Remote commander (remote) (1)
R6 (size-AA) batteries (2)
Design and specifications are subject to change
without notice.
US and foreign patents licensed from Dolby
Laboratories.