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Samsung Electronics

14-1

Terms and Overview

AV Conversion:

process of converting Analog Data to Digital Data

SAMPLING RATE :

means precision rate of A/D conversion and is indicated in Hz, bit number and
channel number(for CD: 44.1 KHz, 16bit, 2channels)

ENCODING :

process of compressing and converting digital data obtained through A/D conversion
to audio format

Compression rate:

indicated in bps(bit per second)
(For MP3: sound quality of CD level with compression rate of 128kbps)

ENCODING FORMAT :

MP3 : MPEG Layer3
AAC : MPEG-2 AAC
WMA : Windows Media Audio (Microsoft)
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. Basic Information of MP3

1-1. Operating Principle of yepp

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Содержание YP-U1

Страница 1: ...onfidential SERVICEManual Features MP3 WMA AudioASFandOggPlayback Removable Storage Device USB 2 0 Support Voice Recording Function Built In Rechargeable Li Polymer Battery Firmware Upgradable Model YP U1 Application YP U1VB VW 256MB YP U1XB XW 512MB YP U1ZB ZW 1GB YP U1QB QW 2GB ...

Страница 2: ...ELECTRONICS Samsung Electronics Co Ltd SEP 2005 Printed in Korea Code no AH68 01654V YP U1VB VW YP U1XB XW YP U1ZB ZW YP U1QB QW ...

Страница 3: ... disassemble 5 1 Ch6 Troubleshooting 1 It keeps being turned off 6 1 2 No Sound can be heard 6 2 3 It can not record voice 6 3 4 The buttons does not work 6 4 5 File can not be download 6 5 Ch7 Exploded View Parts List 1 Total Exploded View 7 1 2 Parts List 7 5 Ch8 Electrical Parts List Electrical Parts List 8 1 Ch9 Block Diagram Block Diagram 9 1 Ch10 Wiring Diagram Wiring Diagram 10 1 Ch11 PCB D...

Страница 4: ...nd Underwriters Laboratories UL Publication UL1410 59 7 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe etc and all exposed metal parts Examples Handle brackets metal cabinets screwheads and control shafts The current measured s...

Страница 5: ...nplug the unit s AC power cord from the AC power source before attempting to a Remove or reinstall any component or assembly b Disconnect an electrical plug or connector c Connect a test component in parallel with an electrolytic capacitor 3 Some components are raised above the printed circuit board for safety An insulation tube or tape is sometimes used The internal wiring may be clamped to preve...

Страница 6: ... are ready to install it Most replacement ESDs are packaged with leads that are electrically shorted together by conductive foam aluminum foil or other conductive materials 8 Immediately before removing the protective material from the leads of a replacement ESD touch the protective material to the chassis or circuit assembly into which the device will be installed 9 Minimize body motions when han...

Страница 7: ...ground plane which is grounded 3 The repair technician must wear a wrist strap which is grounded to the copper sheet 4 To remove the Optical Pickup block Place the set on the conductive sheet and momentarily touch the conductive sheet with both hands While working do not allow any electrostatic sources such as clothes to touch the unit 5 Ground the Short Terminal located on the PCB inside the Pick...

Страница 8: ...es to the player using Windows Explorer USB 2 0 Support Maximum data speed transfer of 18 Mbps Voice Recording Function You can make high quality voice recordings 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 hom...

Страница 9: ...only covers the use of this product unit to encode and or decode audio files conforming to the ISO IEC 11172 3 or ISO IEC 13818 3 No rights are granted under this license for product features or functions that do not conform to the ISO IEC 11172 3 or ISO IEC 13818 3 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 u...

Страница 10: ...Accessories Name Code No Samsung Electronics 2 3 3 Accessories AH61 01414B Neck Strap AH30 00069D Earphone ...

Страница 11: ...MB YP U1 X 512MB YP U1 Z 1GB YP U1 Q 2GB Player Earphone Installation CD Neck Strap Title track artist indicator Play Stop Pause indicator Track play indicator Indicate next track Track Number indicator Remaining Battery Power indicator Play mode indicator Equalizer indicator Playtime indicator Hold Switch USB Plug Move to Track Speed Search Move to Track Speed Search Neck strap Hook Volume Up But...

Страница 12: ...les 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 Searching for Music Voice Files Loop Repeating Press and hold during playback to search for the part you want to listen to Release to resume play normally I To search for specific parts during play Press briefly during playback to play ...

Страница 13: ... 3 Press the button The selected file will be played You can easily search for files or switch modes using the Navigation function I Changing Mode 1 Press the MENU button in the Voice mode 2 Use to move to the upper folder You can change the mode in the following method Ex To change from the Voice mode to the Music mode 3 Use to move to the music file you want and press the button As it is changed...

Страница 14: ...sound I Bass Booster Select Sound Effect in Settings If User EQ is selected in Preset EQ EQ can be set to your preference in the User EQ Set Use to move to right or left and use to adjust the level Press the MENU button after completing the setting I User EQ Set Display Settings Select Display in Settings Use to select the scroll type Horizontal Music title moves horizontally Vertical Music title ...

Страница 15: ... on again after the volume was set to within the default value the music is replayed at the previously played volume Use to set the Search Speed from 1sec to 1min When you press and hold to scan a track you can adjust the scanning speed I Resume I Default vol I Search Speed Use to set the skip interval from 5sec to 10min If you press in music mode you can search a track by a set time In 1 Track se...

Страница 16: ...u must install the USB driver file first 2 Follow the instructions in the window to complete the installation 1 Connect the USB plug to the USB port on the computer If you disconnect the USB plug from your PC while implementing a command or initializing during USB driver installation your PC may not function correctly 2 The USB driver is installed with a message saying that it is searching for a n...

Страница 17: ...Samsung Electronics 4 1 Samsung Electronics 4 Adjustments 1 How to recover the device ...

Страница 18: ...4 2 Samsung Electronics ...

Страница 19: ...4 3 Samsung Electronics 2 How to upgrade Firmware ...

Страница 20: ...1 5 How to disassemble 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 Order Description Picture ...

Страница 21: ...because removing with the tweezers might damage the 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 Order Description Picture ...

Страница 22: ...he tweezers and separate the board 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 Order Description Picture ...

Страница 23: ...5 4 Samsung Electronics 14 Remove the USB connector Note Pulling the wire may break the wire 15 The picture of the disassembled player Order Description Picture ...

Страница 24: ...Samsung Electronics 6 1 6 Troubleshooting 1 Power failure ...

Страница 25: ...6 2 Samsung Electronics 2 No audio sounds ...

Страница 26: ...Samsung Electronics 6 3 3 Cannot make a voice recording ...

Страница 27: ...6 4 Samsung Electronics 4 Buttons do not work ...

Страница 28: ...Samsung Electronics 6 5 5 Connection with the pc is abnormal ...

Страница 29: ...cs 7 1 7 Exploded View Parts List AD360 AC080 AK170 AK240 AR050 A A AB327 AD149 AK280 AK300 AR055 AR057 AS106 AC020 AS082 AD148 AD070 AC355 AW120 AC080 AS180 C AF040 AC320 AC322 AC321 AK200 AD148 D 1 Total Exploded View ...

Страница 30: ...C GRAY BLUE 1 AC320 AH63 01059A COVER USB POM WHT WHT 1 AH63 01059A COVER USB POM BLK BLK 1 AC321 AH63 01062A COVER USB DOWN PC GRAY RED 1 AH63 01062B COVER USB DOWN PC BLK BLK 1 AH63 01062C COVER USB DOWN PC WHT WHT 1 AH63 01062D COVER USB DOWN PC GRAY BLUE 1 AC322 AH63 01061A COVER USB UP PC GRAY RED 1 AH63 01061B COVER USB UP PC BLK BLK 1 AH63 01061C COVER USB UP PC WHT WHT 1 AH63 01061D COVER ...

Страница 31: ...RUBBER SETUP RUBBER MILK 1 SNA AR057 AH73 00093A RUBBER SIDE RUBBER MILK 1 SNA AS082 AH63 01072A SHEET HOLD PC T0 1 RED SILVER 1 AS106 AH63 01071A SHEET MIC HYMERON T0 1 BLK 1 AS180 AH63 01069A SHEET WINDOW PORON T0 3 BLK 1 AW120 AH64 03682A WINDOW LCD GLASS RED 1 AH64 03682B WINDOW LCD GLASS BLK 1 AH64 03682C WINDOW LCD GLASS WHT 1 AH64 03682D WINDOW LCD GLASS BLUE 1 A 6001 001739 SCREW M1 4x3 5 ...

Страница 32: ...1 2x1 3m Q1 0505 001174 FET SILICON SI2302ADS N 20V 2 4A 65mohm Q2 0505 001174 FET SILICON SI2302ADS N 20V 2 4A 65mohm Q4 0504 000211 TR DIGITAL DTC143TU NPN 200mW 4 7K SC 70 R1 2007 000162 R CHIP 100Kohm 5 1 16W TP 1005 R10 2007 007155 R CHIP 620OHM 5 1 16W TP 1005 R11 2007 000157 R CHIP 47Kohm 5 1 16W TP 1005 R12 2007 000157 R CHIP 47Kohm 5 1 16W TP 1005 R13 2007 000157 R CHIP 47Kohm 5 1 16W TP ...

Страница 33: ...8 0 55 VAR1 1405 001093 VARISTOR 14V 20A 1x0 5x0 6mm TP VAR10 1405 001093 VARISTOR 14V 20A 1x0 5x0 6mm TP VAR11 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 ...

Страница 34: ...Samsung Electronics 9 1 9 Block Diagram ...

Страница 35: ...Samsung Electronics 10 1 10 Wiring Diagram ...

Страница 36: ...11 1 This Document can be used without Samsung s authorization Samsung Electronics 11 PCB Diagram 1 TOP ...

Страница 37: ...11 2 Samsung Electronics This Document can be used without Samsung s authorization 2 BUTTOM ...

Страница 38: ...12 1 This Document can be used without Samsung s authorization Samsung Electronics 12 Schematic Diagram 1 MAINµ ...

Страница 39: ...12 2 Samsung Electronics This Document can be used without Samsung s authorization 2 SUB ...

Страница 40: ...Samsung Electronics 12 3 3 SELF TEST Manual ...

Страница 41: ...13 1 Samsung Electronics 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 ...

Страница 42: ...13 2 Samsung Electronics ...

Страница 43: ...13 3 Samsung Electronics 1 2 Main Functions by Block ...

Страница 44: ...sion to audio format Compression rate indicated in bps bit per second For MP3 sound quality of CD level with compression rate of 128kbps ENCODING FORMAT MP3 MPEG Layer3 AAC MPEG 2 AAC WMA Windows Media Audio Microsoft 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 ...

Страница 45: ...14 2 Samsung Electronics Yepp Block Diagram ...

Страница 46: ... or deleted Smart Media Card Compact and light semiconductor media card in dimension of 45 1 x 37 1 x 0 76mm and weight of 2 0g It is used as a storage of portable device and high quality media storage device of digital camera and music MP3 player 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...

Страница 47: ... drive Music file downloaded from digi tal contents music service site with SecuMAX can be played back Yepp Explorer This software controls yepp player in PC You can move or delete music list or voice saved in yepp card or embedded memory This software is required to use yepp Music Drive Software audio player for PC embedded with MPEG II AAC Decoder first in Korea It supports not only playback of ...

Страница 48: ...G 1 in 1988 It is the technology used to produce video CD MP3 means the audio compression part among specification of MPEG 1 1995 MPEG 2 is used together with MPEG 1 AAC Advanced Audio Coding or MP4 receives attention with its excellent digital audio and is derived from MPEG 2 MPEG 4 lastests standard on movie compres sion for conference communication is being established MP3 is most widely used a...

Страница 49: ... this data In a same quality as MP3 it is about 1 2 size and contains Windows Media Rights Manager with copyright protection technology It can be played back with Media Player provided in Windows98 ATRAC3 Sound compression type of MD and latest specification of ATRAC Adaptive TRansform Acoustic Coding developed by SONY Has about 2 compression rate than existing ATRAC Real Audio G2 Format type deve...

Страница 50: ...c CD or cassette tape containing sound people cannot listen When it is made into MP3 it is as shown in Fig 2 Volume Control Capacity can be reduced much by adjusting the degree of loss However it causes deterioration of sound qual ity Music CD contains sound made with 16 bit 44 1KHz of stereo sampling Stereo is the type of divid ing the sound into left and right CD should change analog sound to di...

Страница 51: ...e of Ogg Vorbis is that it has no limit in use of format itself The biggest feature that distinguishes Ogg Vorbis from existing music file is that it supports VBR Variable Bit Rate by default 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 ...

Страница 52: ...orages currently used 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 1 4 Type of Storage ...

Страница 53: ...14 10 Samsung Electronics Small Form factor Cards Comparison ...

Страница 54: ... of persons related to copyright that occurs due to use of digital contents protected from illegal use of digital contents through various channels WaterMarking Technology of inserting the specific data to claim copyright of multimedia contents so that eyes and ears of human cannot be distinguished SecuMAX Digital Security Total Solution adopting Snake encoding algorithm Version1 0 contents in ser...

Страница 55: ...ndard using SecuMAX and completed development of SecuMAX 2 0 with world compatibility SecuMAX SecuMAX is the reproduction prevention system that is made for protection of copyright in rapidly growing distribution of digital contents Reopening of MP3 Music Service Digital contents copyright protection and management service Fundamentally prevent the illegal distribution Only legal users can play ba...

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