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SW-2.1 360

Service Manual

 KEY SYSTEM CORP

Version No.:1.0 

Page:1 of 19

Summary of Contents for Genius SW-2.1 360

Page 1: ...Service Manual SW 2 1 360 Service Manual KEY SYSTEM CORP Version No 1 0 Page 1 of 19...

Page 2: ...Revision history Revision Version No 1 0 Page 2 of 19 Service Manual SW 2 1 360 Version Date 1 0 2011 8 18...

Page 3: ...Parts 17 18 Satellite 15 1 2 4 No bass 10 Chapter II Specification 13 Satellite 13 Subwoofer 13 1 2 5 Noise cacophony 11 1 2 6 Power indicator failure 12 1 2 Fault 6 1 2 1 Power indicator failure 7 1...

Page 4: ...it in hostile environments like with smoke and vibration including salt or greasy air or other corrosive gases and mist Do not throw or knock the product Do not drop any object into the woofer through...

Page 5: ...returned defective products Receive the sound box returned by a customer Replace the defective parts if necessary Define an effective service plan Analyze the possible reason Pack the acceptable prod...

Page 6: ...Fault 1 2 1 Power LED indicator failure 1 2 2 No sound 1 2 3 No L R output 1 2 4 No bass 1 2 5 Noise and cacophony 1 2 6 LED indicator failure Service Manual SW 2 1 360 Problem Version No 1 0 Page 6 o...

Page 7: ...w the single flow chart It is the best sequence recommended to solve the problem Power LED indicator failure 1 The power cord is defective or damaged 2 The power cord is connected improperly 1 The pow...

Page 8: ...ire is damaged or defective short circuited open CON2B 3 The signal input line is connected improperly No signal 1 The potentiometer VR1 is damaged 2 The circuit board is connected loosely causing bad...

Page 9: ...VR1 potentiometer is defective 3 The L R signal input line is defective 4 The L R signal output line is defective 1 The L R speaker is damaged defective 2 The L R output is improperly connected Check...

Page 10: ...amaged 2 The PCB is short circuited 1 The bass control circuit fails 2 The speaker is defective 3 The speaker is damaged during use Check repair replace Check repair 1 The component s from IC2 VR2 and...

Page 11: ...The PCB is affected with damp dirty or cracked 2 The signal input line is improperly connected No signal The signal line is improperly grounded CON2B signal line is defective Check repair replace Che...

Page 12: ...ilure Version No 1 0 Page 12 of 19 Service Manual SW 2 1 360 LED indicator failure 1 The LED1 is damaged or does not illuminate 2 The copper foil of the lamp base on the PCB is broken 3 The R15 is def...

Page 13: ...Service Manual SW 2 1 360 Chapter II Specification Version No 1 0 Page 13 of 19...

Page 14: ...Page 14 of 19 Block Chart Service Manual SW 2 1 360 Chapter III Block Chart Signal input Master volume adjustment Power amplifier TEA2025B Power supply Bass adjustment Power amplifier TEA2025B R O L...

Page 15: ...Service Manual SW 2 1 360 Version No 1 0 Page 15 of 19 Chapter IV Assembly Rendering Subwoofer...

Page 16: ...Service Manual SW 2 1 360 Satellite Version No 1 0 Page 16 of 19...

Page 17: ...4906 G01 4 WRAP BOARD CE AHB014905 00G WRAP BOARD UL AHB014905 01G 5 POWER PCBA AEM100024 00G 6 HEAT SINK AHS000053 00G 7 METAL BAR AMB000006 00G 8 BACK PANEL AMP702313 00G 9 PAPER TUBE AHC000016 00G...

Page 18: ...ersion No 1 0 Page 18 of 19 Service Manual SW 2 1 360 Satellite Ref NO Description Part NO 1 FRONT CABINET AMP014903 15G 2 SPEAKER AMK340047 G01 AMP714902 00G RUBBER FOOT AHR000059 00G 3 BACK CABINET...

Page 19: ...Version No 1 0 Page 19 of 19 Service Manual SW 2 1 360 Chapter VI Electric Schematic Diagram...

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