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Samsung YP-U1 Service Manual

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See also: User Manual , Manual Del Usuario
SERVICE
PORTABLE DIGITAL AUDIO PLAYER
Model : YP-U1
PORTABLE DIGITAL AUDIO PLAYER
Basic Model : YP-U1
* Application : YP-U1VB/VW[256MB]
- 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-U1XB/XW[512MB]
YP-U1ZB/ZW[1GB]
YP-U1QB/QW[2GB]
Manual
Features
- Confidential -

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Summary of Contents for Samsung YP-U1

  • Page 1 PORTABLE DIGITAL AUDIO PLAYER Basic Model : YP-U1 * Application : YP-U1VB/VW[256MB] YP-U1XB/XW[512MB] YP-U1ZB/ZW[1GB] YP-U1QB/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. SEP. 2005 Printed in Korea Code no. AH68-01654V...

  • 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: Safety Precautions

    Examples: Handle brackets, Exposed metal cabinets, screwheads and control Metal Part shafts. The current measured should not exceed 0.5 milliamp. Reverse the power- Ohmmeter plug prongs in the AC outlet and repeat. Fig. 1-2 Insulation Resistance Test Samsung Electronics...

  • Page 5: Servicing Precautions

    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 OLET ALTTINA NAKYMATTÖMALLE LASERSATEILYLLE ALA 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 Samsung Electronics...

  • Page 7: Special Precautions For Hdd

    2. In order to safe keep the data on the HDD, back up the data before the repair or make sure not to place the HDD near any electrical appliance that generates a strong magnetic field. Samsung Electronics...

  • Page 8: Product Feature

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

  • Page 9: Specifications

    2. Specifications Model YP-U1 Built-in Memory capacity 256MB(YP-U1 V), 512MB(YP-U1 X), 1GB(YP-U1 Z), 2GB(YP-U1 Q) Voltage 3.7V (Li-polymer) Playing time lasts up to 13hours(On the basis of measurement by the company) Dimensions/Weight 25.6 X 87.4 X 13.6 mm / 33 g...

  • Page 10: Accessories

    3. Accessories Accessories Name Code No. AH61-01414B Neck Strap AH30-00069D Earphone Samsung Electronics...

  • Page 11: Basic Functions

    3. Product Functions 1. Basic Functions Neck Strap Earphone Installation CD Player Model YP-U1 H YP-U1 V YP-U1 X YP-U1 Z YP-U1 Q Built-in memory 128MB 256MB 512MB The capacity of the useable built-in memory is less than indicated as the internal firmware uses a part of the memory as well.

  • Page 12: Playing Music And Turning Off The Device

    - Loop Repeat is automatically released if you Speed Search with - The files are recorded in the order of V001,V002.., and saved as WAV file in the VOICE folder after recording. - If the Memory is full, Voice Recording is stopped automatically. Samsung Electronics...

  • Page 13: Changing Mode

    - Press and hold the MENU button in Navigation mode to exit the Navigation mode. Playing Playlist Select Playlist in Menu. The playlist you set will be displayed. Move to the file you want to play and press the button. “ ” mark appears and the selected file will be played. Samsung Electronics...

  • Page 14: Setting The Advanced Functions

    If User EQ is selected in Preset EQ, EQ can be set to your preference in the User EQ Set. to move to right or left and use adjust the level. Press the MENU button after completing the setting. Samsung Electronics...

  • Page 15: New Functions

    Search Speed from 1sec to 1min. When you press and hold to scan a track, you can adjust the scanning speed. - For a VBR or Ogg file, the search speed may not be uniform. Samsung Electronics...

  • Page 16: Pc Connection

    However, you must install the program in order to format the player and upgrade firmware. - If the YP-U1 program has not been installed in Windows 98, then it will not communi- cate with your removable disc. You must install the USB driver file first.

  • Page 17: How To Recover The Device

    4. Adjustments 1.How to recover the device Samsung Electronics Samsung Electronics...
  • Page 18 Samsung Electronics...

  • Page 19: How To Upgrade Firmware

    2. How to upgrade Firmware Samsung Electronics...

  • Page 20: How To Disassemble

    Order(Description) Picture 1. Remove the 2 left and right screws from the Bracket Strap. 2. Remove the 2 USB connector screws. 3. Separate the Cabinet top. 4. Lift the Sub PCB up in the direction of the arrow. Samsung Electronics...
  • Page 21 PCB. 6. Separate the Side FPC connector. 7. Lift the LCD Bracket up in the direction of the arrow and separate the LCD FPC and the USB FPC connectors. 8. Remove the 1 screw fixing the Main PCB. Samsung Electronics...
  • Page 22 10. Separate the battery with the Main PCB. 11. Remove the 2 Frame Chassis screws. 12. Remove the Frame Chassis. 13. Open up the part indicated by the arrows with the tweezers and remove the Cover USB. Samsung Electronics...
  • Page 23 Order(Description) Picture 14. Remove the USB connector. Note. Pulling the wire may break the wire. 15. The picture of the disassembled player Samsung Electronics...
  • Page 24 6. Troubleshooting 1. Power failure Samsung Electronics...
  • Page 25 2. No audio sounds Samsung Electronics...
  • Page 26 3. Cannot make a voice recording Samsung Electronics...
  • Page 27 4. Buttons do not work Samsung Electronics...
  • Page 28 5. Connection with the pc is abnormal Samsung Electronics...

  • Page 29: Total Exploded View

    7.Exploded View & Parts List 1. Total Exploded View AB327 AC080 AK240 AR050 AD149 AK280 AD360 AK170 AR055 AS106 AC020 AS082 AD070 AC355 AK300 AR057 AD148 AC080 AS180 C AF040 AD148 AW120 AC320 AK200 AC322 AC321 Samsung Electronics...

  • Page 30: Parts List

    DECORATION_BOTTOM PC GRAY AH64-03666B DECORATION_BOTTOM PC BLK AD070 AH64-03666C DECORATION_BOTTOM PC WHT AH64-03666D DECORATION_BOTTOM PC GRAY BLUE AD148 AH64-03731A DECORATION_FRAME_ SILVER AD149 AH64-03730A ECORATION_FRAME_ SILVER AH64-03665A DECORATION_TOP PC GRAY AH64-03665B DECORATION_TOP PC BLK AD360 AH64-03665C DECORATION_TOP PC WHT Samsung Electronics...
  • Page 31 Location Code No. Description Specification COLOR BRAND Remark AH64-03665D DECORATION_TOP PC GRAY BLUE AF040 AH61-02035A FRAME-CHASSIS SUS 304 T0.4 ABS Cr AK170 AH64-03667A KNOB-FUCTION PLATING AK200 AH64-03668A KNOB-HOLD ABS GRAY SILVER ABS Cr AK240 AH64-03671A KNOB-MENU PLATING AK280 AH64-03669A KNOB-PLAY ABS GRAY SILVER AK300...

  • Page 32: Main

    1405-001093 VARISTOR;14V,20A,1x0.5x0.6mm,TP 2203-005390 C-CER,CHIP;4pF,0.1pF,50V,NPO,TP,1005,- VAR8 1405-001093 VARISTOR;14V,20A,1x0.5x0.6mm,TP 2404-001338 C-TA,CHIP;220UF,20%,4V,WT,TP,3528 2404-001338 C-TA,CHIP;220UF,20%,4V,WT,TP,3528 X-TAL1 2801-004285 CRYSTAL-SMD;24MHZ,30PPM,28-ACO,12PF,70OH 2203-002717 C-CER,CHIP;10nF,+80-20%,50V,Y5V,TP,1005 AH41-00899A PCB (FR 4) 6L(AU);YP-U1,FR4,6,-,1.0,-,-, CON1 3710-001105 CONNECTOR-SOCKET;2P,1R,1.27mm,SMD-S,AU CON2 3708-001940 CONNECTOR-FPC/FFC/PIC;17P,0.5mm,SMD-A,AU CON3 3708-002096 CONNECTOR-FPC/FFC/PIC;6P,0.5mm,SMD-A,AU, AH92-02420B ASSY PCB;YP-U1,256MB SUB YP-U1V CON4 3711-004389 CONNECTOR-HEADER;BOX,30P,2R,0.5mm,SMD-S, AH92-02420A ASSY PCB;YP-U1,516MB SUB...
  • Page 33 1405-001093 VARISTOR;14V,20A,1x0.5x0.6mm,TP VAR4 1405-001093 VARISTOR;14V,20A,1x0.5x0.6mm,TP VAR5 1405-001093 VARISTOR;14V,20A,1x0.5x0.6mm,TP VAR6 1405-001093 VARISTOR;14V,20A,1x0.5x0.6mm,TP VAR9 1405-001093 VARISTOR;14V,20A,1x0.5x0.6mm,TP AH41-00899A PCB (FR 4) 6L(AU);YP-U1,FR4,6,-,1.0,-,-, 4302-001192 BATTERY-POLYMER;3.7V,280mAH,-,560 mAh,4. AH07-00171A LCD-DISPLAY;LMBOF-05070,YP-U1,-,27.6mm * AH30-00069D PHONE-EAR;Dark grey,EP-250,16ohm,L:1280m AH61-01414B HANGER-NECK;YP-T6,PVC,-,-,-,-,SAMSUNG AH67-00393A CAP-CUSHION;YP-U1,PS,-,-,-,-,- AH68-00508D LABEL BAR CODE;-,-,ART PAPER,-,60x95mm,- AH68-00511E LABEL-PACKING;YP-T7,KOR/CHN,-,-,-,-,-,-, AH68-00650A WARRANTY CARD-EUROPE;YP-NDU,EUROPE,PAPER...
  • Page 34 9. Block Diagram Samsung Electronics...
  • Page 35 10. Wiring Diagram 10-1 Samsung Electronics...
  • Page 36 - This Document can be used without Samsung’s authorization - 11. PCB Diagram 1. TOP 11-1 Samsung Electronics...
  • Page 37 2. BUTTOM - This Document can be used without Samsung’s authorization - Samsung Electronics 11-2...
  • Page 38 - This Document can be used without Samsung’s authorization - 12. Schematic Diagram µ 1. MAIN 12-1 Samsung Electronics...
  • Page 39 - This Document can be used without Samsung’s authorization - 2. SUB Samsung Electronics 12-2...
  • Page 40 3. SELF-TEST Manual 12-3 Samsung Electronics...
  • Page 41 - This Document can be used without Samsung’s authorization - 13. Circuit Description 1. Description of the Circuit 1-1. Main Blocks in the Circuit Diagram Samsung Electronics 13-1...
  • Page 42 13-2 Samsung Electronics...
  • Page 43 1-2.Main Functions by Block Samsung Electronics 13-3...
  • Page 44 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 45 Yepp Block Diagram Samsung Electronics 14-2...
  • Page 46 Flash memory is embedded to store the data even if the power is turned off and it is a super-high speed product that can record up to 250 characters per second.(mass production of 8MB, 16MB, 32MB currently at Samsung Electronics) OTP (Once Time Programmable) OTP is one type of micro controller(MCU) and is the customer-oriented semi-conductor on which the customers can directly record the program.

  • Page 47: 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 48 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 49 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 50 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 lower- ing the sampling rate, but the capacity can be reduced. 14-7 Samsung Electronics...
  • Page 51 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 52 / 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 53 Small Form - factor Cards Comparison Samsung Electronics 14-10...
  • Page 54 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. 14-11 Samsung Electronics...
  • Page 55 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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