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Summary of Contents for KYE Systems Corp. Genius SW-U2.1 200
- Page 1 Service Guide SW-U2.1 200 Service Guide KEY SYSTEM CORP Version No. 1.0 Page 1 of 18...
- Page 2 Service Guide SW-U2.1 200 Modification Record: Version Date Modification 2011-8-18 Version No. 1.0 Page 2 of 18...
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Page 3: Table Of Contents
Service Guide SW-U2.1 200 Content Document Version ..........................2 Contents............................3 Use..............................4 Use Guide ..........................4 Safety Caution ........................... 4 Chapter 1: How to Dispose Returned Defective Products ............... 5 1.2 Troubles ..........................6 1.2.1 No Power and Indicator Lamp Inoperative ............... 7 1.2.2 No Sound........................ -
Page 4: Use
Service Guide SW-U2.1 200 Use Guide Special Attention: this guide contributes to remember and prevent errors. Warning: if information does not allow, it is possible to cause the product damaged. Safety Caution: This guide requires the cautions given below should be followed during operation of the speaker: Flatly place the product and don’t place the speaker in such hostile environments as smoke, vibration, air containing salt or oil, or other corrosive air or smoke;... -
Page 5: Chapter 1: How To Dispose Returned Defective Products
Service Guide SW-U2.1 200 Chapter 1: How to Dispose Returned Defective Products 1.1 General Receive the speaker returned by a consumer Verify the trouble and necessary test Find out troubles in a function test Analyze possible causes for the troubles Decide an effective repair service scheme Test Ok Test NG... -
Page 6: Troubles
Service Guide SW-U2.1 200 1.2 Troubles Description of troubles 1.2.1 No Power and LED Indicator Lamp Inoperative 1.2.2 No Sound 1.2.3 No Sound from Left or Right Channel 1.2.4 No Bass 1.2.5 Noise and Current Noise 1.2.6 LED Indicator Lamp Inoperative Version No. - Page 7 Service Guide SW-U2.1 200 * Note: Please follow the sequence of single flow chart. The flow chart is the optimal sequence recommended for removal of the troubles 1.2.1 No Power and LED Indicator Lamp Inoperative No Power and LED Indicator Lamp Inoperative 1.
- Page 8 Service Guide SW-U2.1 200 1.2.2 No Sound No Sound 1. Short circuit, open circuit 1. Potentiometer VR1 damaged 1. Element of sound channel unit and no power of PCB 2. Plug of line panel separating of PCB damaged, and U1, U2, 2.
- Page 9 Service Guide SW-U2.1 200 1.2.3 No Sound from Left/ Right Channel No Sound from Left/ Right Channel 1. Short circuit/open circuit and 3. Horns on two side of left and 1. Unit circuit elements U1, U2, damage of PCB right channels defective or VR1 and JK3/ CON3/JK1 of 2.
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Page 10: No Bass
Service Guide SW-U2.1 200 1.2.4 No Bass No Bass 1. PCB via hole and INT 1. 4P bass horn line defective 1. Elements of bass unit lines, 2. CON2 header pin INT 2. Horn lines broken or falsely such U2, L7, L8, R27, L5, L6, 3. -
Page 11: Noise And Current Noise
Service Guide SW-U2.1 200 1.2.5 Noise and Current Noise Noise and Current Noise 1. Power failure, filter capacitor Poor connection of the 1. Long use of potentiometer C33 and C27 damaged resulting earthing line of signal line, resulting in poor connection in large interference from voltage CON3/ signal... - Page 12 Service Guide SW-U2.1 200 1.2.6 LED Indicator Lamp Inoperative LED Indicator Lamp Inoperative 1. LED1 damaged or inoperative 2. Copper foil of lamp base of PCB broken 3. Q1/Q2 damaged 4. CON3 line fell/ connected improperly Replace/ repair Version No. 1.0 Page 12 of 18...
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Page 13: Chapter 2 Product Specifications
Service Guide SW-U2.1 200 Chapter 2 Product Specifications Page 13 of 18 Version No. 1.0... -
Page 14: Chapter 3 Block Diagram
Service Guide SW-U2.1 200 Chapter 3 Block Diagram Signal input Earphone input Master volume tuning Power amplification Power amplification NS4203 NS4203 Right channel Left channel Bass output output output Chapter 4 Rendering after Assembly Version No. 1.0 Page 14 of 18... -
Page 15: Subwoofer
Service Guide SW-U2.1 200 Subwoofer Satellite Version No. 1.0 Page 15 of 18... -
Page 16: Chapter 5 Material List
Service Guide SW-U2.1 200 Chapter 5 Material List Version No. 1.0 Page 16 of 18... -
Page 17: Subwoofer
Service Guide SW-U2.1 200 Subwoofer: Ref. NO Description Part NO. KNOB AMP020001. 01G FRONT PANEL AMP024401. 00G VOLUME PCBA ASP024401. G01 WRAP BOARD AHB024401. 00G AMPLIFIER PCBA ASP024402. G02 METAL BAR AMB000006. 00G PAPER TUBE AHC000019. 00G SPEAKER AMK340062. G01 FOOT AMP702304. -
Page 18: Chapter 6 Electric Schematic Diagram
Service Guide SW-U2.1 200 Chapter 6 Electric Schematic Diagram Page 18 of 18 Version No. 1.0...
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