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Summary of Contents for Genius SW-5.1 1020
- Page 1 Service Guide SW-5.1 1020 Service Guide KEY SYSTEM CORP Version No. 1.0 Page 1 of 24...
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Page 2: Document Version
Service Guide SW-5.1 1020 Modification Record: Version Date Modification 2011-10-19 Version No. 1.0 Page 2 of 24... -
Page 3: Table Of Contents
Service Guide SW-5.1 1020 Contents 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-5.1 1020 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,... -
Page 5: Chapter 1: How To Dispose Returned Defective Products
Service Guide SW-5.1 1020 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... -
Page 6: Troubles
Service Guide SW-5.1 1020 1.2 Troubles Description of troubles 1.2.1 No Power and Indicator Lamp Inoperative 1.2.2 No Sound 1.2.3 No Sound from Front Left or Right Channel 1.2.4 No Sound from Rear Left or Right Channel 1.2.5 No Sound from Middle Channel 1.2.6 No Bass... -
Page 7: No Power And Indicator Lamp Inoperative
Service Guide SW-5.1 1020 * 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 Lamp Inoperative No Power/LED lamp inoperative 1. Switching power panel... -
Page 8: No Sound
Causes given below damaged or defective 2. VR2 Potentiometer defective Power fault of U6 resulting from 2. Abnormal power voltage or damaged SW-5.1 1020 PCB D6, R59, C81. of power panel Inspect/ repair/ replace Replace/ repair Inspect/ repair/ replace Version No. 1.0... -
Page 9: No Sound From Front Left Or Right Channel
Service Guide SW-5.1 1020 1.2.3 No Sound from Front Left or Right Channel No sound from front left or right channel 1. Short circuit or open 1. Output RCA socket defective Such elements damaged as C28, circuit of PCB for front... -
Page 10: No Sound From Rear Left Or Right Channel
Service Guide SW-5.1 1020 1.2.4 No Sound from Rear Left or Right Channel No sound from rear left or right channel 1. Short circuit or open 1. Output RCA socket defective Such elements damaged as C30, circuit of PCB for rear... -
Page 11: No Sound From Middle Channel
Service Guide SW-5.1 1020 1.2.5 No Sound from Middle Channel No sound from middle channel 1. Short circuit or open 1. Output RCA socket defective Such elements damaged as C32 circuit of PCB for middle or damaged and U3 channel 2. -
Page 12: No Bass
Service Guide SW-5.1 1020 1.2.6 No Bass No bass 1. Short circuit or open 1. Output socket CON1 Such elements damaged as D5, circuit of PCB for bass defective or damaged D7, U4 and U5 channel 2. Power failure of U4 and U5 2. -
Page 13: Noise And Current Noise
Service Guide SW-5.1 1020 1.2.7 Noise and Current Noise Noise and current noise 1. Switching power supply 1. Bass potentiometer defective Such elements damaged as D6, panel damaged. or damaged R59, D5, D7, U1, U2, U3, U4, U5 2. Incomplete power filter: 2. -
Page 14: Earphone Socket Inoperative
Service Guide SW-5.1 1020 1.2.8 Earphone Socket Inoperative Earphone socket inoperative 1. Earphone socket damaged or inoperative 2. Short circuit or open circuit of copper foil for circuit board Replace/ repair Version No. 1.0 Page 14 of 24... -
Page 15: Noice Bass Potentiometer
Service Guide SW-5.1 1020 1.2.9 Noise from Bass Potentiometer Noise from bass potentiometer Bass potentiometer defective or damaged 2. PCB C49 and C52 defective or damaged Replace/ repair Version No. 1.0 Page 15 of 24... -
Page 16: Vol (Volume) Inoperative
Service Guide SW-5.1 1020 1.2.10 VOL (Volume) Inoperative VOL inoperative potentiometer defective or damaged 2. Power failure of U6 volume integrated circuit 3. Broken circuit/ short circuit of 4. Such elements damaged as D6, R59, JK5 and U6 Replace/ repair Version No. -
Page 17: Chapter 2 Product Specifications
Service Guide SW-5.1 1020 Chapter 2 Product Specifications Version No. 1.0 Page 17 of 24... -
Page 18: Chapter 3 Block Diagram
Service Guide SW-5.1 1020 Chapter 3 Block Diagram Electronic volume control SJ3358 Calculation amplification JRC4558 Bass tuning Power amplification Power amplification Power amplification Power amplification TDA2025B TDA2030 TDA2030 TDA2030A Version No. 1.0 Page 18 of 24... -
Page 19: Chapter 4 Rendering After Assembly
Service Guide SW-5.1 1020 Chapter 4 Rendering after Assembly Subwoofer Version No. 1.0 Page 19 of 24... -
Page 20: Satellite
Service Guide SW-5.1 1020 Satellite Version No. 1.0 Page 20 of 24... -
Page 21: Chapter 5 Material List
Service Guide SW-5.1 1020 Chapter 5 Material List Subwoofer Ref. NO Description Part NO. KNOB AMP024502. 00G FRONT PANEL AMP024501. 00G VOLUME PCBA ASP024501. G01 WRAP BOARD AHB024501. 00G AMPLIFIER PCBA ASP024502. G01 IC SJ3358 DIP18 AEU000130. 00G IC TEA2025B AEl'000001. - Page 22 Service Guide SW-5.1 1020 Satellite Ref. NO Description Part NO. FRONT CABINET AMP024402. 00G SPEAKER AMK340064. 00G SEALING COVER AMP724404. 00G BACK CABINET AMP724403. 00G Version No. 1.0 Page 22 of 24...
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Page 23: Chapter 6 Electric Schematic Diagram
Service Guide SW-5.1 1020 Chapter 6 Electric Schematic Diagram Version No. 1.0 Page 23 of 24... - Page 24 Service Guide SW-5.1 1020 Version No. 1.0 Page 24 of 24...
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