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Summary of Contents for KYE Systems Corp. Genius SP-120
- Page 1 Service Manual SP-120 Service Manual KEY SYSTEM CORP Version No.：1.0 Page:1 of 18...
- Page 2 Service Manual SP-120 Change History： Version Date Revision 2011-8-18 Version No.：1.0 Page:2 of 18...
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Page 3: Table Of Contents
Service Manual SP-120 Table of Contents： File version …………………………………………………………………..2 Contents………………………………………………………………………….3 Starting to use…………………………………………………………………4 User guide……………………………………………………………………..4 Safety instruction…………………………………………………………..4 Chapter I: How to dispose the rejected products………………………5 1.2 Errors…………………………………………………………………….6 1.2.1 No power and indicator is off…………………………………..7 1.2.2 No sound …………………………………………………………..8 1.2.3 Left or right channel error…………………………………….9 1.2.4 Hum and current noise…………………………………………….10 1.2.5 Power light is off………………………………………………..11 1.2.6 No sound output, though the headphone jack is inserted….12... -
Page 4: Starting To Use
Service Manual SP-120 Starting to use User guide： Important: This instruction is intended to keep in mind and prevent errors. Warning: The information prohibited may damage the product. Safety instruction： Please strictly follow the rules below when working with the speaker: Place the speaker levelly and do not expose to harmful and corrosive atmosphere (with smoke, vibration, salt or oil), as well as smog;... -
Page 5: Chapter I: How To Dispose The Rejected Products
Service Manual SP-120 Chapter I. How to dispose the rejected products 1.1 Overview Receive the rejected speaker from customer Verify and implement test if necessary Functional test with error Analyze potential causes Figure out practicable maintenance Test NG Test is OK Replace some parts of the rejected if necessary Test again... -
Page 6: Errors
Service Manual SP-120 1.2 Errors Description NO power and indicator is off 1.2.1 NO sound 1.2.2 Left or right channel error 1.2.3 Hum and current noise 1.2.4 LED indicator is off 1.2.5 There is no sound output,though the headphone 1.2.6 jack is inserted. - Page 7 Service Manual SP-120 *Notice For maintenance, please take the sequence of single flow chart below. It is the optimal sequence recommended for solution. 1.2.1 No power and LED indicator is off No power/LED indicator is off 1.Welding of power cord onto the 1.The power plug is out transformer is bad;...
- Page 8 Service Manual SP-120 1.2.2 No sound No sound 1.It is due to PCB 1.J2/J3/D10/Q2 is bad 1.PCB sound channel short circuit /open or damaged; unit elements are circuit/no 2.Potentiometer damaged. Speaker and electricity; VR1 is damaged; lead of U1， 2.The connecting 3.PCB plug becomes JK1,C11,VR1,J2,J3，...
- Page 9 Service Manual SP-120 1.2.3 Left or right channel error Left/right channel error 1.PCB is short 1.Speaker of 1.Left/right circuit/open circuit, left/right channel channel cell or damaged; is bad or damaged; circuit of 2.JK1 headphone jack U1,JK1,Q1,Q3,C20,C2 is bad or damaged; 2.Signal output 1,VR1, 3.Signal input line of...
- Page 10 Service Manual SP-120 1.2.4 Hum and current noise Hum and current noise Power supply is Signal earth line JK1 headphone jack poor; filter of CON1 is bad pin is with false capacitor C22 is contact. welding; copper damaged to cause foil is broken;...
- Page 11 Service Manual SP-120 1.2.5 LED indicator is off LED indicator is off 1.LED1 is damaged or off; 2.Copper foil of PCB pin is broken. 3.D9,C23,R20,R21 is damaged. Replace/repair Version No.：1.0 Page:11 of 18...
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Page 12: No Sound Output, Though The Headphone Jack Is Inserted
Service Manual SP-120 1.2.6 No sound output, though the headphone jack is inserted There is no sound output, though the headphone jack is inserted 1.In use, headphone jack JK1 has broken the copper foil as result in bad contact; 2.Headphone jack JK1 is bad. -
Page 13: Chapter Ii: Product Specifications
Service Manual SP-120 Chapter II. Product specifications 2.0 Main/sub-speaker： Version No.：1.0 Page:13 of 18... -
Page 14: Chapter Iii: Flowchart
Service Manual SP-120 Chapter III. Flowchart Signal input Volume control Power amplification TEA2025B Sound output Left Right channel channel output output Version No.：1.0 Page:14 of 18... -
Page 15: Chapter Iv: Assembly Drawing
Service Manual SP-120 Chapter IV. Assembly drawing Subwoofer: Version No.：1.0 Page:15 of 18... - Page 16 Service Manual SP-120 Satellite: Version No.：1.0 Page:16 of 18...
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Page 17: Chapter V: Parts List
Service Manual SP-120 Chapter V. Parts list Subwoofer: Ref. NO Description Part NO. FRONT CABINET AMP024701.00G SPEAKER AMK509001.G01 AMPLIFIER PCBA ASP024701.G01 SOCKET ANJ000089.00G POTENTIOMETER D=16XT2.5MM ARV050326.00G IC TEA2025B AEU000001.02G BACK CABINET(CE) AMP024702.00G BACK CABINET(UL) AMP024705.00G POWER KNOB AMP724703.00G TRANSFORMER ABT351208.00G SWITCH AES000066.00G Satellite:... -
Page 18: Chapter Vi: Schematic Circuit Diagram
Service Manual SP-120 Chapter VI. Schematic circuit diagram Version No.：1.0 Page:18 of 18...
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