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Sony MC-S50 Service Manual

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SERVICE MANUAL
Ver 1.0 2001.03
Audio specifications
Frequency response
20 – 20,000 Hz
Signal-to-noise ratio (S/N)
85 dB
Memory capacity
64 MB (including the system software:
61.1 MB available for music)
Available file format
ATRAC3
MP3
Bit rate*: 32–256 kbps
Sampling rate: 32/44.1/48 kHz
* Variable bit rate files are not
supported. Bit rate higher than 128
kbps is not guaranteed when you
select the sampling rate 32 or 48 kHz.
WMA**
Bit rate: 64–160 kbps
**The files applied with the Microsoft
Windows Media Right Manage are
not supported.
Output
Headphones jack
Stereo mini jack
Connector (special mini jack)
USB 1.0 compliant
General
Power requirements
LR03 (Size AAA) alkaline battery × 1
USB bus power
Battery life
Approx. 6 hours (varies depending on
bit rate, volume, etc.)
Sony Corporation
9-873-098-11
2001C0500-1
Audio Entertainment Group
C 2001.3
General Engineering Dept.
SPECIFICATIONS
Power consumption
Approx. 145 mW
Dimensions (approx.)
Approx. 22.4 × 99.0 × 25.9 mm (
×1 inches) (w/h/d)
Mass
Approx. 33g (1.2 oz ) (including
battery)
Operating temperature
5°C to 35°C (41°F to 95°F) (not
condensed)
Environment temperature
–20°C to 60°C (–4°F to 140°F) (not
condensed)
Supplied accessories
• LR03 (Size AAA) alkaline battery (1)
• Headphones (1)
• Headphones/earphones
extension cord (1)
• Neck strap (1)
• USB cable (1)
• CD-ROM (OpenMG Jukebox
installation disc) (1)
• MC-S50 Operating Instructions (1)
• OpenMG Jukebox Operating
Instructions
(1)
Design and specifications are subject to change
without notice.
PERSONAL NETWORK PLAYER
MC-S50
AEP Model
× 4
29
/
32

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Summary of Contents for Sony MC-S50

  • Page 1 • USB cable (1) Windows Media Right Manage are • CD-ROM (OpenMG Jukebox not supported. installation disc) (1) Output • MC-S50 Operating Instructions (1) • OpenMG Jukebox Operating Headphones jack Instructions Stereo mini jack Connector (special mini jack) Design and specifications are subject to change USB 1.0 compliant...

  • Page 2: Table Of Contents

    • Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder. Sony, VAIO, the VAIO logo, Music Clip, OpenMG and the OpenMG logo are trademarks of Sony Corporation.

  • Page 3: Servicing Notes

    MC-S50 SECTION 1 SERVICING NOTES 1-1. Introduction This document describes the “operation check for inspection (Test mode)” and “adjustment after board replacement for repair”. In performing these works, connect this set to the PC via a USB cable and use the following tool.
  • Page 4 MC-S50 Work procedure Preparation: 1. Make sure that no battery is loaded in the set. 2. Start up the test mode “apollo_service.exe” of the service tool (J-2507-037-1) from the PC, and check that the following screen appears. 3. Connect PC to this set with a USB cable. Check that the block 1 of the following screen “open”, and “1PC” is displayed on the LCD of the set.
  • Page 5 MC-S50 Operational description of Test mode Audio Block Function Check Clicking the UP or Down button in block 2 of the screen allows you to check with various output frequencies. Also, clicking the UP or Down button in block 3 can check variations of volume. Clicking the L, Stereo, R, or Mute button in block 4 can change audio output status.
  • Page 6 MC-S50 Firmware Info Check The DSP program version and the flash memory capacity can be checked. (block 0) The version at the shipment is as follows. (Versions will vary if updated) Version Flash memory size 64094208 Sub-CPU Info Check The Sub-CPU program version can be checked. (block qa) The version at the shipment is as follows.
  • Page 7 MC-S50 Work Procedure Readjustment of Voltage for Battery Threshold Value Readjust the voltage through the steps given below. (1) Start up the Test Mode "apollo_service.exe" in the Service Tool (J-2507-037-1) from the PC, and connect the set to the PC with an excusive USB cable, and the following screen will appear.
  • Page 8 MC-S50 Execution of Play Info Initialize If the LOGIC board was replaced for repair, execute “Play Info Initialize” in block qd to return respective functions to initial positions (see Table 1-6). Table 1-6. Function Position Play position Head of first music...

  • Page 9: General

    MC-S50 SECTION 2 This section is extracted from instruction manual. GENERAL Parts and controls Refer to the page numbers indicated in parentheses for details. 1 VOL (volume) +/– (page 10) 7 Battery compartment (page 7) 2 Display (page 11) 8 Clip...

  • Page 10: Disassembly

    MC-S50 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW Case assy, upper Power board “LOGIC board”, “LOGIC board”, “Audio board”, “Display panel, liquid crystal (LCD901)” “Flexible (jack) board, Jack (J301)” Note: Follow the disassembly procedure in the numerical order given.

  • Page 11: Power Board

    MC-S50 3-3. POWER BOARD 2 POWER board 1 connector (CN601) 3-4. “LOGIC BOARD”, “AUDIO BOARD”, “FLEXIBLE (JACK) BOARD, JACK (J301)” 4 LOGIC board 5 connector (CN302) 6 AUDIO board 3 connector 7 screw (1.7 × 4) (CN301) 8 flexible (jack) board, jack (J301)

  • Page 12: Display Panel, Liquid Crystal (Lcd901)

    MC-S50 3-5. “LOGIC BOARD”, “DISPLAY PANEL, LIQUID CRYSTAL (LCD901)” LCD case 1 Remove two solders. 6 display panel, liquid crystal (LCD901) 4 conductive board convex 5 BL unit 3 LOGIC board...

  • Page 13: Diagrams

    MC-S50 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM CN901 STATUS/ (1/2) CONTROL D– D– PROTOCOL APPLICATION TRANSCEIVER ENGINE SWITCH INTERFACE INTR Q901 RESET D903 END POINT FIFO/ CONNECTOR • SIGNAL PATH DPLL 8 BYTE SET-UP REGISTER 512M BIT FLASH ROM XOUT IC602 AD0 –...

  • Page 14: Note For Printed Wiring Boards And Schematic Diagrams

    MC-S50 4-3. PRINTED WIRING BOARD – LOGIC Board – : Uses unleaded solder. 4-2. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Semiconductor Note on Printed Wiring Board: • Y : parts extracted from the conductor side. Location •...

  • Page 15: Schematic Diagram - Logic Board

    MC-S50 4-4. SCHEMATIC DIAGRAM – LOGIC Board – • See page 20 for IC Block Diagrams. • See page 21 for Waveforms. (Page (Page 17)

  • Page 16: Printed Wiring Board - Audio Board

    MC-S50 4-5. PRINTED WIRING BOARD – AUDIO Board – : Uses unleaded solder. • Semiconductor Location Ref. No. Location D101 D201 D804 IC301 IC302 Q101 Q102 Q201 Q202 E2 C1 Q301 Q302 C2 B E1 B2 E B1 (Page 14)

  • Page 17: Schematic Diagram - Audio Board

    MC-S50 4-6. SCHEMATIC DIAGRAM – AUDIO Board – • • See page 20 for IC Block Diagram. See page 21 for Waveforms. (Page 15)

  • Page 18: Printed Wiring Board - Power Board

    MC-S50 4-7. PRINTED WIRING BOARD – POWER Board – : Uses unleaded solder. • Semiconductor Location Ref. No. Location D401 D402 D403 D405 D809 D810 IC401 IC402 IC403 IC404 IC405 IC802 Q401 Q402 Q403 Q405 (Page 14)

  • Page 19: Schematic Diagram - Power Board

    MC-S50 4-8. SCHEMATIC DIAGRAM – POWER Board – • • See page 20 for IC Block Diagrams. See page 21 for Waveforms. (Page 15)
  • Page 20 MC-S50 • IC Block Diagrams IC901 ML60851CLBZ060 (Not supplied part) – POWER Board – IC401 MAX1674EUA-TG069 31 30 29 28 27 26 25 24 23 ZERO CROSSING – MINIMUM OFF-TIME ONE-SHOT DREQ TRIG ONE-SHOT END POINT FIFO/ STATUS/ 8BYTE SET-UP...
  • Page 21 MC-S50 • Waveforms – LOGIC Board – 1 IC801 2 X1 6 IC601 ua (BCLKX1) 0 IC302 5 (MCLK) 3.2 Vp-p 3.2 Vp-p 2 Vp-p 30.5 µs 59.1 ns 59.1 ns 2 IC801 5 (OSC1) (When power on) 7 IC601 oj (X2/CLKIN) 3.2 Vp-p...

  • Page 22: 4-9. Ic Pin Function Description

    MC-S50 4-9. IC PIN FUNCTION DESCRIPTION • LOGIC BOARD IC601 TMS320DA150GGU120 (DIGITAL SIGNAL PROCESSOR) (Not supplied part) Pin No. Pin Name Description CVSS — Ground terminal — Address signal terminal Not used (open) CVSS — Ground terminal DVDD — Power supply terminal (+3.2V) —...
  • Page 23 MC-S50 Pin No. Pin Name Description HINT Interrupt request signal output terminal Not used (open) CVDD — Power supply terminal (+1.5V) BFSX0 LR frame signal output to the D/A converter (IC302) BFSX2 Chip select signal output to the EEPROM (IC603)
  • Page 24 MC-S50 Pin No. Pin Name Description System clock output terminal (16.9344MHz) X2/CLKIN System clock input terminal (16.9344MHz) Reset signal input to the CPU (IC801) “L”: reset 99 to 104 D0 to D5 Two-way data bus with the flash ROM (IC602) and USB controller (IC901) —...
  • Page 25 MC-S50 • LOGIC BOARD IC801 HD6433800A02FP (CPU) Pin No. Pin Name Description IRQ1 Voltage detect input terminal Sub system clock input terminal (32.768kHz) Sub system clock output terminal (32.768kHz) — Ground terminal OSC1 Main system clock output terminal (8MHz) OSC2...

  • Page 26: Exploded Views

    MC-S50 SECTION 5 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...

  • Page 27: Board Assy

    MC-S50 5-2. BOARD ASSY J301 LCD901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-649-896-01 CASE, LCD 4-649-913-01 RIBBON, BATTERY 4-649-901-01 BL UNIT 4-649-909-21 LID, BATTERY CASE 1-694-771-11 CONDUCTIVE BOARD 3-228-267-01 SHEET, LIGHT INTERCEPTION X-4623-191-2 CASE ASSY, LOWER...

  • Page 28: Electrical Parts List

    MC-S50 SECTION 6 AUDIO JACK ELECTRICAL PARTS LIST NOTE: When indicating parts by reference • Due to standardization, replacements in the • Items marked “*” are not stocked since they number, please include the board. parts list may be different from the parts speci- are seldom required for routine service.
  • Page 29 MC-S50 LOGIC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3323-696-A LOGIC BOARD, COMPLETE IC801 8-759-713-59 IC HD6433800A02FP ********************** IC901 (Not supplied) IC ML60851CLBZ060 1-694-771-11 CONDUCTIVE BOARD 3-228-357-01 SHEET, DSP < LIQUID CRYSTAL DISPLAY > 3-230-336-01 SHEET (LARGE), ELECTROMAGNETIC...
  • Page 30 MC-S50 LOGIC POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > < IC > S803 1-762-333-21 SWITCH, TACTILE (MODE) IC401 8-759-656-52 IC MAX1674EUA-TG069 S804 1-762-333-21 SWITCH, TACTILE (Bx) IC402 8-759-572-21 IC S-80808ANNP-E7Y-T2 S805 1-762-333-21 SWITCH, TACTILE (>)
  • Page 31 MC-S50 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS ******************************* 1-757-592-11 CORD (WITH PLUG) (HEADPHONES/EARPHONES EXTENSION) 1-792-297-12 CABLE, CONNECTION (USB) 3-226-925-11 MANUAL, INSTRUCTION (ENGLISH) 3-226-925-21 MANUAL, INSTRUCTION (FRENCH) 3-226-925-31 MANUAL, INSTRUCTION (GERMAN)

  • Page 32: Revision History

    MC-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 Description of Revision...

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