Samsung YH-820 Service Manual Download Page 12 | Manualshive

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Samsung Electronics

- This Document can not be used without Samsung’s authorization -

1-2. MAIN ; Test Point & Waveform

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Summary of Contents for YH-820

Page 1: ...LAYER Basic Model YH 820 PORTABLE DIGITAL AUDIO PLAYER Confidential SERVICEManual CONTENTS 1 Product Specifications 2 Block Diagram 3 Wiring Diagram 4 Exploded Views and Parts List 5 Electrical Parts List 6 Schematic Diagrams ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd DEC 2004 Printed in Korea Code no AH68 01427X ...

Page 3: ...rrent for Appliances and 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 ...

Page 4: ...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...

Page 5: ...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 handing ...

Page 6: ...d 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 Pickup As...

Page 7: ...Samsung Electronics 2 1 2 Block Diagram ...

Page 8: ...Samsung Electronics 3 1 3 Wiring Diagram ...

Page 9: ...Samsung Electronics 4 1 4 Exploded Views and Parts List ...

Page 10: ...7 2703 002714 INDUCTOR SMD 22UH 10 2016 L8 3301 001705 BEAD SMD 1005 TP 82OHM 164MHZ 137OH L9 3301 001477 BEAD SMD 60ohm 2 0x1 2x0 6mm 3000mA TP LD1 2703 001873 INDUCTOR SMD 4 7uH 20 6060 LD2 2703 002187 INDUCTOR SMD 4 7uH 20 6645 MIC1 3003 001087 MIC CONDENSOR 2V 500UA 44DB 2 2KOHM PS100 AH63 00844A CUSHION BOTTOM YH 820 EVA PS130 AH63 00845A CUSHION TOP YH 820 PSR Q15 0505 001426 FET SILICON IRL...

Page 11: ...Samsung Electronics 12 1 This Document can not be used without Samsung s authorization 6 Schematic Diagram 1 1 MAIN Circuit ...

Page 12: ...12 2 Samsung Electronics This Document can not be used without Samsung s authorization 1 2 MAIN Test Point Waveform ...

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