Samsung YP-U2 Service Manual
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Samsung YP-U2 Service Manual

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SERVICE
PORTABLE DIGITAL AUDIO PLAYER
Model : YP-U2
PORTABLE DIGITAL AUDIO PLAYER
Basic Model : YP-U2
* Application : YP-U2XB/XW[512MB]
- MP3,WMA ,Audio ASF and Ogg Playback
- Removable Storage Device
- USB 2.0 Support
- Voice Recording Function
- Built-In Rechargeable Li-Polymer Battery
- Firmware Upgradable
YP-U2ZB/ZW[1GB]
YP-U2QB/QW[2GB]
Manual
Features
- Confidential -

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Summary of Contents for Samsung YP-U2

  • Page 1 PORTABLE DIGITAL AUDIO PLAYER Basic Model : YP-U2 * Application : YP-U2XB/XW[512MB] YP-U2ZB/ZW[1GB] YP-U2QB/QW[2GB] SERVICE Manual PORTABLE DIGITAL AUDIO PLAYER Features - MP3,WMA ,Audio ASF and Ogg Playback - Removable Storage Device - USB 2.0 Support - Voice Recording Function...
  • Page 2 ELECTRONICS © Samsung Electronics Co.,Ltd. FEB. 2006 Printed in Korea Code no. AH68-01819L...

  • Page 3: Table Of Contents

    INDEX Exploded View & Parts List Precautions 1. Total Exploded View 2. Parts List 1-1. Safety Precautions 1-2. Servicing Precautions 1-3. Precautions for Electrostatically Electrical Parts List Sensitive Device (ESDs) Electrical Parts List 1-4. Special Precations and Waring Lables for Laser Products 1-5.
  • Page 4 Examples: Handle brackets, Metal Part metal cabinets, screwheads and control shafts. The current measured should not Ohmmeter exceed 0.5 milliamp. Reverse the power- plug prongs in the AC outlet and repeat. Fig. 1-2 Insulation Resistance Test Samsung Electronics...
  • Page 5 Make sure that the 8. Always connect a test instrument's ground portion around the serviced part has not lead to the instrument chassis ground been damaged. before connecting the positive lead; always remove the instrument's ground lead last. Samsung Electronics...
  • Page 6 SCAN : Manufactured for Scandinavian KATSO SATEESEEN! Market. VARNING: OSYNLIG LASERSTRÅLNING NAR DENNA DEL AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJSTRÅLEN! Fig. 1-4 Warning Labels (Location: Disc Clamper, Inner Side of Unit Door or Nearby Unit Chassis ) Samsung Electronics...

  • Page 7: Product Feature

    The built-in rechargeable lithium battery provides up to 13 hours of play time. Built-in Rechargeable Li-Polymer Battery (According to company measurement) You can upgrade the built-in programs when available. Upgradable Please check the home page (www.samsung.com) for upgrades. Samsung Electronics...

  • Page 8: Specifications

    2. Specifications Model YP-U2 Built-in Memory capacity 512MB(YP-U2 X), 1GB(YP-U2 Z), 2GB(YP-U2 Q) Voltage 3.7V (Li-polymer) Playing time lasts up to 13hours(On the basis of measurement by the company) Dimensions/Weight 24.4 X 87.5 X 12.6 mm / 29 g Case...
  • Page 9 3. Product Comparison Chart Model Model PICTURE PICTURE SOUND SOUND EFFECT EFFECT OICE OICE RECORDING RECORDING TYPE TYPE Samsung Electronics...

  • Page 10: Accessories

    4. Accessories Accessories Name Code No. AH30-00090D Earphone Samsung Electronics » …”...

  • Page 11: Basic Functions

    USB Cover USB Connection Plug LED Lighting Screen Display User/Recording Button Power & Play/Pause Button Move Track/Quick Search Button MENU/Select Button Volume Control Button Bottom Earphone Connection Port Reset Button Microphone Hold Switch Earphone Connection Left Side √ Earphones Samsung Electronics...

  • Page 12: Charging The Battery

    Press the [ + , - ] button on the front of the player. The Volume Status Bar will appear. Press the [ + ] button to increase the volume or the [ – ] button to decrease it. Samsung Electronics...

  • Page 13: Lock Function

    Media Studio installation starts. After installation is complete, click <Exit>. An icon is created on the desktop after installation is complete and Media Studio starts. If the Autoscan Confirm window appears, refer to page and customize settings. Samsung Electronics » …”...

  • Page 14: Setting Music

    What is DNSe? DNSe is a sound effect function for MP3 players developed by Samsung and consists of 3D and Street modes. <Scroll> : Sets the scroll speed to adjust the speed of the track title movement. Select from <Slow>...

  • Page 15: Setting Language

    Regarding the Built-In Memory NOTE The actual built-in memory available is slightly less than indicated as the internal firmware uses a por Settings of the memory. Setting Language Set the language for the menu and track information (ID3-Tag). To Delete a File Press and hold the [ ] button to move to the Press the [ lœœ...

  • Page 16: Disconnecting From Your Pc

    Do not disconnect the player from the PC during file transfer. This may cause damage to data and the device. CAUTION You cannot remove the hardware while files within the player are being played on your PC. Please retry after file playback is finished. Samsung Electronics » …”...

  • Page 17: How To Recover The Device

    4. Adjustments 1.How to recover the device Samsung Electronics Samsung Electronics...

  • Page 18: How To Upgrade Firmware

    2. How to upgrade Firmware Samsung Electronics...
  • Page 19 5. How to disassemble Order(Description) Picture 1. Separate the Assy Cap. 2. Remove 2 screws on top. 3. Separate the Cover-Top. 4. Separate the Assy Cabinet-Front with your left hand thumb and right hand thumbnail as the following figure shows. Samsung Electronics...
  • Page 20 6. Release the inside hook with your left hand thumbnail. (Separate the Cabinet Front according to the procedures of Step 5) 7. Separate the Knob-Hold. 8. Remove the screw. 9. Separate the PCB Assy from the Assy Cabinet-Back. Samsung Electronics...
  • Page 21 6. Troubleshooting 1. Power failure Samsung Electronics...
  • Page 22 2. No audio sounds Samsung Electronics...
  • Page 23 3. Cannot make a voice recording Samsung Electronics...
  • Page 24 4. Buttons do not work Samsung Electronics...
  • Page 25 5. Connection with the pc is abnormal Samsung Electronics...

  • Page 26: Total Exploded View

    7.Exploded View & Parts List 1. Total Exploded View AC140 AA070 AC320 AH405 AB360 AC310 AA001 AA010 AL093 AC100 AK280 AH315 AK200 AS180 AK240 AR014 AK170 AW120 AC100 Samsung Electronics...
  • Page 27 AK200 AH64-03894B KNOB-HOLD YP-U2XW/ZW/QW AK240 AH64-03896A KNOB-MENU AK280 AH64-03919A KNOB-PLAY AL093 AH67-00420A LENS-LED PMMA CLEAR AR014 AH73-00098A RUBBER_FUNCTION SILICON AS180 AH63-01171A SHEET-WINDOW PORON T0.3 AW120 AH64-03920A WINDOW-LCD;YP-U2 PMMA SHEET T0.6 YP-U2XB/ZB/QB AW120 AH64-03920B WINDOW-LCD;YP-U2 PMMA SHEET T0.6 YP-U2XW/ZW/QW Samsung Electronics...

  • Page 28: Main

    YP-U2Q 0902-001888 IC-MICROPROCESSOR;STMP3550B,24MHz,24Bit, JACK1 3722-001605 JACK-PHONE;3P,AG,BLK,SMD-A JACK2 3722-002419 PLUG-USB;4P,AU3U,BLK,SMD-A,USB-PLUG 3301-001105 BEAD-SMD;1.6x0.8x0.8mm,-,- 2703-002653 INDUCTOR-SMD;4.7UH,20%,2828 3301-001345 BEAD-SMD;600ohm,2012,300mA,TP,679ohm/11 LED2 0601-001602 LED;SMD,BLUE,1.1X0.8MM,472.5NM,1.6 AH41-00944A PCB MAIN-YP-U2 PCB;YP-U2,FR4,6,1.0,0.8mm PS100 AH69-01708A CUSHION-BOTTOM;YP-U2,-,-,-,-,-,-,-,-,-,- PS130 AH69-01707A CUSHION-TOP;YP-U2,-,-,-,-,-,-,-,-,-,- Q100 0505-001930 FET-SILICON;MCH3319,P,-12V,-2.6A,MAX255m Q201 0504-001193 TR-DIGITAL;KRC408V,NPN,100MW,22K/47KOHM, 0504-000211 TR-DIGITAL;DTC143TU,NPN,200mW,4.7K,SC-70 2007-007155 R-CHIP;620OHM,5%,1/16W,TP,1005 R100 2007-000162 R-CHIP;100Kohm,5%,1/16W,TP,1005...
  • Page 29 9. Block Diagram Samsung Electronics...
  • Page 30 10. Wiring Diagram * CON1: LCD FPCB CONNECTOR [17P Connector] (Reverse Insertion Protection as Mechanism) Samsung Electronics...
  • Page 31 11. PCB Diagram - This Document can be used without Samsung’s authorization - VIEW VIEW LCD Connector Receiption JACK Stage MAIN INPUT BOTT TTOM VIEW * BO VIEW BATTERY JACK AUDIO OUTPUT POWER OSCILLATOR (24MHz) 11-1 Samsung Electronics...
  • Page 32 - This Document can not be used without Samsung’s authorization - 12. Schematic Diagram µ 1. MAIN 12-1 Samsung Electronics...
  • Page 33 2. Main Signal Waveform - This Document can not be used without Samsung’s authorization - VIEW VIEW dIO = 1.5V dIO = 1.5V - Suppl olta e fr om Main-IC - Suppl olta e fr om Main-IC eripherial olta eripherial...
  • Page 34 - This Document can not be used without Samsung’s authorization - * BO VIEW * BO VIEW dIO = 3.0V dIO = 3.0V - Suppl - Suppl olta olta e fr e fr om Main-IC om Main-IC eripherial eripherial olta...

  • Page 35: Audio Output

    13. Circuit Description - This Document can be used without Samsung’s authorization - 1. Description of the Circuit 1-1. Main Blocks in the Circuit Diagram POWER AUDIO OUTPUT Samsung Electronics 13-1...
  • Page 36 1-2.Main Functions by Block 13-2 Samsung Electronics...
  • Page 37 ATRAC(3) : Adaptive TRansform Acoustic Coding (SONY) EPAC : Enhanced Perceptual Audio Coder (Luscent Technology) OGG : Ogg Vorbis DECODING : Process of recovering the digital data encoded to the data before encoding D/A : Process of converting Digital Data to Analog Data 14-1 Samsung Electronics...
  • Page 38 Yepp Block Diagram Samsung Electronics 14-2...
  • Page 39 It is a program that controls and manages hardware. Firmware is distinguished from hardware in that it is a program but is distinguished from general applications in that it is closely related to hardware. In general, firmware is saved in ROM. 14-3 Samsung Electronics...

  • Page 40: Copyright

    SecuMAX server and utilized as a basic data for performing user certification role. After registration, download the dedicated player and decryption key to use service. Music drive developed by Samsung Electronics is embedded with SecuMAX decryption module. Decryption key will be registered during installation of music drive. Music file downloaded from digi- tal contents music service site with SecuMAX can be played back.
  • Page 41 Layer-2. In general, it is called MP3 since Layer-1 has compression rate of 1:4, Layer-2 of 1:61:8, Layer-3 of 1:101:12. Using MP3 technology, up to 100 songs(7 hours) can be contained in one copy of empty CD of 650MB. Transition of Portable Player 14-5 Samsung Electronics...
  • Page 42 16Kbps-32Kbps using [RealAUDIO G2 Music Codec] as com- pression type. Since streaming play in Internet radio is the main purpose, file does not contain copyright protection technology. “Real Player G2” supports MP3 play- back and “Real Juke Box” supports encoding from CD to MP3. Samsung Electronics 14-6...
  • Page 43 There is no difference in sound quality between MP3 and CD since encoding(converting CD track to MP3) is done with 44.1KHz at 16 bit. Better CD sound quality cannot be obtained by lowering the sampling rate, but the capacity can be reduced. 14-7 Samsung Electronics...
  • Page 44 Of course, MP3 also supports VBR format, but has effect of reducing capacity due to VBR based on existing MP3. Ogg Vorbis file supports VBR by default and helps you enjoy high quality music with- out loss due to big width of bit rate. Samsung Electronics 14-8...
  • Page 45 Optical Disc : CD, MD Player / Flash Memory : MP3 Player, Digital audio player Type of Digital audio player storage. Audio Format Table * SSFDC (Solid State Floppy Disc Card) File System * Standard file system for support of SMC's compatibility(DOS/FAT adopted) 14-9 Samsung Electronics...
  • Page 46 However, as online MP3 sales have resolved, the number of legal Internet site has increased. However, reproduction prevention system is required for legal sales. All Internet sites serving Korean song in MP3 are introducing reproduction prevention system. 14-10 14-10 Samsung Electronics Samsung Electronics...
  • Page 47 Meaning of SecuMAX System Application Most legal Internet MP3 service sites adopt SecuMAX and YEPP of Samsung and several compa- nies have hardware supporting SecuMAX among MP3 players currently distributed. Then, user needs to receive MP3 applied with SecuMAX to receive legal service. It is required to have program that can play back MP3 applied with SecuMAX technology in MP3 player.

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