Samsung YP-20S Service Manual

Samsung YP-20S Manual

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  • Samsung YP-20S | Service Manual - Page 1
    DIGITAL AUDIO PLAYER YP-20S/T ELECTRONICS © Samsung Electronics Co., Ltd. FEB. 2001 Printed in Korea AH68-00817A SERVICE Manual DIGITAL AUDIO PLAYER CONTENTS 1. Precautions 2. Specifications 3. Location of Controls 4. Troubleshooting 5. Exploded View and Parts List 6. Block Diagram 7. PCB
  • Samsung YP-20S | Service Manual - Page 2
    handling unpackaged replacement ESDs. Motions such as brusing clothes togetherer or lifting a foot from a carpeted floor can generate enough static electricity to damage an ESDs. Samsung Electronics 1-1
  • Samsung YP-20S | Service Manual - Page 3
    Precautions MEMO 1-2 Samsung Electronics
  • Samsung YP-20S | Service Manual - Page 4
    Speed Noise Ratio Earphone Output Power Output Frequency Range YP-20S/T 12MHz, 16bit CISC Built-in Memory 32MB (YP-20T)/64MB (YP-20S) 1.5V ONE AAA-Size/4-hr or longer playing time (with alkaline batteries) 42x70x22.1mm /32G Plastic 2.4Mbps at least 85dB 5mW 20Hz - 20KHz Samsung Electronics 2-1
  • Samsung YP-20S | Service Manual - Page 5
    Specifications MEMO 2-2 Samsung Electronics
  • Samsung YP-20S | Service Manual - Page 6
    3. Location of Contols 3-1 Front Panel Forward / Reverse button Volume control button LCD Mode / Menu button 3-2 Rear Panel Samsung Electronics SAMSUNG Stop / Play Pause button Earphone jack Battery Cover Lock Connection cable terminal Battery Case 3-1
  • Samsung YP-20S | Service Manual - Page 7
    Location of Controls MEMO 3-2 Samsung Electronics
  • Samsung YP-20S | Service Manual - Page 8
    4. Troubleshooting Symptoms No Power Faulty Display Faulty Download No Sound Possible Causes Faulty U8, Q4 Faulty LCD Faulty J1 Faulty U2, Y1 LCD J1 soldering Check Replace Main PCB Replace Sub PCB Remark When connected "CONNECT" character will not disolay on LCD window. Samsung Electronics 4-1
  • Samsung YP-20S | Service Manual - Page 9
    Troubleshooting MEMO 4-2 Samsung Electronics
  • Samsung YP-20S | Service Manual - Page 10
    PCB-MAIN;YP-20S/T,MAIN PCB ASSY ASSY PCB-MAIN;YP-20S/T,MAIN PCB ASSY,CHINA CASE BASKET;YP-20S/T,LCD COVER,SAMSUNG,SILVER,LCD LCD;DCM-08B3FT-09,YP-MF64,-,30x60.35x1.7,BLK,-,0.3 LCD;DCM-08B3FT,YP-20S/T,CHINA,30*6 ASSY PCB-SUB;YP-20S,64MBYTE ASSY PCB-SUB;YP-20T,32MBYTE SPEAKER SYSTEM;YP-20S/T,SB-900NS
  • Samsung YP-20S | Service Manual - Page 11
    Exploded View and Parts List MEMO 5-2 Samsung Electronics
  • Samsung YP-20S | Service Manual - Page 12
    6. Block Diagram Samsung Electronics I2C 4-Key Including Button U7 Micom Controller U8 MP3 decoder 4 U10 D/A Converter (OKI MSM66Q573L) (CS43L43) -12C control - Parallel & USB communication (STA015) 5 - MP3 decoding PC CTR : 6 - Power control - Digital volume USB - Memory R/W
  • Samsung YP-20S | Service Manual - Page 13
    Block Diagram MEMO 6-2 Samsung Electronics
  • Samsung YP-20S | Service Manual - Page 14
    7. PCB Diagrams 7-1 MAIN COMPONENT SIDE SOLDER SIDE Samsung Electronics 7-1
  • Samsung YP-20S | Service Manual - Page 15
    PCB Diagrams 7-2 SUB COMPONENT SIDE SOLDER SIDE 7-2 Samsung Electronics
  • Samsung YP-20S | Service Manual - Page 16
    R35 R36 3.3K 3.3K I2C_CLK I2C_DATA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 P10-4 P10-5 P10-7 RXD1/P8-0 TXD1/P8-1 RXC1/P8-2 TXC1/P8-3 TM4OUT/P8-4 PWM2OUT/P8-6 PWM3OUT/P8 AD2 AD1 AD0 VCC USB_WR R52 100K /WE USB_RD USB_A0 USB_INT USB_RESET Samsung Electronics 8-1
  • Samsung YP-20S | Service Manual - Page 17
    N.C N.C N.C N.C N.C N.C N.C N.C N.C N.C N.C N.C 48 47 46 45 40 39 38 35 34 33 28 27 26 25 24 23 22 21 20 15 VSS VSS 36 13 VCC C11 100nF C12 100nF R37 100K C48 100uF R68 1K + + C44 1uF + R64 1K C47 1uF C43 100uF + L2 C30 47pF C33 R59 470pF 1k C34 4.7nF 8-2 Samsung Electronics
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DIGITAL AUDIO PLAYER
YP-20S/T
SERVICE
1. Precautions
2. Specifications
3. Location of Controls
4. Troubleshooting
5. Exploded View and Parts List
6. Block Diagram
7. PCB Diagrams
8. Schematic Diagrams
Manual
DIGITAL AUDIO PLAYER
CONTENTS
ELECTRONICS
© Samsung Electronics Co., Ltd.
FEB. 2001
Printed in Korea
AH68-00817A