KYE Systems Corp. Genius SW-U2.1 200 Service Manual Download Page 1 | Manualshive

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Service Guide SW-U2.1 200

Version No. 1.0 Page

1 of 18

Service Guide

KEY SYSTEM CORP

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Summary of Contents for Genius SW-U2.1 200

Page 1: ...Service Guide SW U2 1 200 Version No 1 0 Page 1 of 18 Service Guide KEY SYSTEM CORP...

Page 2: ...Service Guide SW U2 1 200 Version No 1 0 Page 2 of 18 Modification Record Version Date Modification 1 0 2011 8 18...

Page 3: ...icator Lamp Inoperative 7 1 2 2 No Sound 8 1 2 3 No Sound from Left or Right Channel 9 1 2 4 No Bass 10 1 2 5 Noise and Current Noise 11 1 2 6 Power Light Inoperative 12 Chapter 2 Product Specificatio...

Page 4: ...atly 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 Don t knock the speaker Don t make any ite...

Page 5: ...speaker returned by a consumer Find out troubles in a function test Verify the trouble and necessary test Analyze possible causes for the troubles Replace some defective parts to be necessarily repla...

Page 6: ...0 Page 6 of 18 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 Noi...

Page 7: ...ed for removal of the troubles 1 2 1 No Power and LED Indicator Lamp Inoperative No Power and LED Indicator Lamp Inoperative 1 USB power line defective and damaged 2 Plug of USB power line inserted im...

Page 8: ...ort circuit and open circuit COND3 JK1 3 Signal input line connected improperly no signal 1 Element of sound channel unit of PCB damaged and U1 U2 RR1 horn lead and horn damaged Inspect repair Inspect...

Page 9: ...ht channels defective or damaged 1 Connecting lines of two sides of left and right channels defective or damaged 1 Unit circuit elements U1 U2 VR1 and JK3 CON3 JK1 of left right channel damaged open c...

Page 10: ...INT 2 CON2 header pin INT 3 U2 power voltage abnormal 4 CON2 line fell connected improperly 1 Elements of bass unit lines such U2 L7 L8 R27 L5 L6 L10 R30 C11 Inspect repair replace Inspect repair 1 4P...

Page 11: ...r supply PCB becoming damp dirty or broken 2 Signal input line connected improperly no signal 1 Long use of potentiometer resulting in poor connection of knob shrapnel 2 U1 and U2 defective damaged an...

Page 12: ...on No 1 0 Page 12 of 18 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 conn...

Page 13: ...Version No 1 0 Service Guide SW U2 1 200 Chapter 2 Product Specifications Page 13 of 18...

Page 14: ...o 1 0 Page 14 of 18 Chapter 3 Block Diagram Chapter 4 Rendering after Assembly Signal input Earphone input Master volume tuning Left channel output Right channel output Bass output Power amplification...

Page 15: ...Service Guide SW U2 1 200 Version No 1 0 Page 15 of 18 Subwoofer Satellite...

Page 16: ...Service Guide SW U2 1 200 Version No 1 0 Page 16 of 18 Chapter 5 Material List...

Page 17: ...4 WRAP BOARD AHB024401 00G 5 AMPLIFIER PCBA ASP024402 G02 6 METAL BAR AMB000006 00G 7 PAPER TUBE AHC000019 00G 8 SPEAKER AMK340062 G01 9 FOOT AMP702304 00G 10 IC NS4203 SOP 16 AEU000110 00G 11 2RCA SO...

Page 18: ...Version No 1 0 Page 18 of 18 Service Guide SW U2 1 200 Chapter 6 Electric Schematic Diagram...

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