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KYE Systems Corp. Genius SW-HF 2.1 1800K, Руководство по обслуживанию

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Service Guide

                                                                     

SW-HF 2.1 1800K 

 
 

               

*Attention 

Please follow the numbered sequence marked within parenthesis given in 
individual  
Flow chat in that this is the best-recommended sequence to rectify the problems.

 

         

1.2.1 No power

，

LED 

（

indicator

）

unlighted 

 

Problem 

 

 

 

 

Analyze 

and 

identify 

the 

causes 

 

 

 

 

 

 

 

 

 

Solutions 

 

 

 

 

 

 
 

 

 

 

 

 

                   

             

Version 1.0         Page 7 of 24

 

 

Repair or replace 

 

No power

，

LED 

（

indicator

）

unlighted 

Defective 

transformer  

 

Defective or 

damaged AC cable, 

or power switch

 

resolder or replace

 

Repair or replace

 

transformer secondary wire poorly or 

loosely connected with PT1 jack. 

Dry soldering of PT1   

PCB Copper foil broken 

Содержание Genius SW-HF 2.1 1800K

Страница 1: ...Service Guide SW HF 2 1 1800K SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 24...

Страница 2: ...Service Guide SW HF 2 1 1800K Revision History Version Date Change 1 0 17 11 2008 Version 1 0 Page 2 of 24...

Страница 3: ...o sound 9 1 2 4 Left channel no sound 10 1 2 5 Woofer no sound 11 1 2 6 Noise 12 1 2 7 LED indicators no light 13 1 2 8 MIC no sound or low sound 14 1 2 9 ECHO no use 15 1 2 9 Some knobs no use 16 Cha...

Страница 4: ...rface Do not place the speakers in environments subject to mist smoke vibration excessive dust salty or greasy air or other corrosive gases and fumes Do not drop or jolt the speakers Do not allow anyt...

Страница 5: ...Version 1 0 Page 5 of 24 Receiving Defective speaker from customers Return the speakers with proper repacking to customers Verifying problems Proceeding Necessary tests Analyzing possible Malfunction...

Страница 6: ...1 No power LED indicator no light 1 2 2 No sound 1 2 3 Right channel no sound 1 2 4 Left channel no sound 1 2 5 Woofer no sound 1 2 6 Noise 1 2 7 LED indicators no light 1 2 8 MIC no sound or low sou...

Страница 7: ...problems 1 2 1 No power LED indicator unlighted Problem Analyze and identify the causes Solutions Version 1 0 Page 7 of 24 Repair or replace No power LED indicator unlighted Defective transformer Defe...

Страница 8: ...No sound Check the wire between AMP PCB JACK1 and MIC JACK1 connected properly or not PCB short circuited dry soldered or broken 1 IC3 in MIC PCB defective 2 Or caused by defective IC2 IC1 IC3 Q1 Q2...

Страница 9: ...2 or input jack defective or damaged Right driver unit dry soldered or defective 1 Defective connection between AMP PCB JACK1 and MIC PCB ACK1 2 IC1 or related components damaged in AMP PCB 3 IC3 or r...

Страница 10: ...ective connection between AMP PCB JACK1 and MIC PCB JACK1 2 IC2 or related components damaged in AMP PCB 3 IC3 or related components damaged in MIC PCB Input left output cable damaged or defective AMP...

Страница 11: ...unit Speaker cable dry soldered or defective Or output tjack3 defective 2 IC3 or related components damaged in AMP PCB 3 IC4 or related components damaged in MIC PCB Repair or replace Repair or repla...

Страница 12: ...capacitor diode dry soldered or damaged pls check EC6 EC7 EC11 EC12 EC14 EC15 EC4 EC5 D1 D2 D3 D4 in AMP PCB The power supply of each IC is normal or not Check and replace Repair or replace Repair Dr...

Страница 13: ...2 7 LED indicators no light Problem Analyze and identify the causes Solutions Version 1 0 Page 13 of 24 Check and replace 1 LED related circuit in MIC PCB dry soldered or broken 2 R54 R55 LED1 or LED...

Страница 14: ...no sound or low sound IC2 JACK2 their related components in MIC PCB or VR2 defective Check and replace IC1 IC5 and its related components IN MIC PCB defective especially R34 ZD1 CC1 or CC8 MIC 2 no s...

Страница 15: ...nd identify the causes Solutions Version 1 0 Page 15 of 24 IC5 in MIC PCB works well or not Check and replace Check and replace IC5 s related components especially MC4 MC5 CC10 CC11 MC2 MC3 R32 R33 R1...

Страница 16: ...knobs no use Problem Analyze and identify the causes Solutions Version 1 0 Page 16 of 24 Check and replace 1 Any VR or VR related circuit broken or dry soldered 2 MIC PCB related VR or related compone...

Страница 17: ...TION ONE CHANNELIN OTHER CHANNEL INPUT SHORTING 10 d B 59 59 40 HUM NOISE VOLUME MAX INPUT SHORTING 11 m V 1 2 1 2 1 5 HUM NOISE VOLUME MIN INPUT SHORTING 12 m V 1 4 1 4 2 Woofer NO DESCRIPTION UNIT n...

Страница 18: ...Service Guide SW HF 2 1 1800K Version 1 0 Page 18 of 24 Chapter 3 Block diagram...

Страница 19: ...Service Guide SW HF 2 1 1800K Subwoofer Version 1 0 Page 19 of 24 Chapter 4 Exploded view...

Страница 20: ...Service Guide SW HF 2 1 1800K Satellite Version 1 0 Page 20 of 24 Chapter 4 Exploded view...

Страница 21: ...19030008 15 screw 3 18BA EP24010016 16 screw 3 5 20PA EP24100079 paper tube EP41590067 17 plastic tube EP41510016 18 19 screw 3 5 14TA EP24150009 20 driver unit 5 20W A 699 22 EP16050061 rubber foot m...

Страница 22: ...separate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending the PCB assembly by post in that it would avoid unnecessarily lost or...

Страница 23: ...Service Guide SW HF 2 1 1800K Chapter 7 Schematic diagram SW HF 2 1 1800K AMP PCB...

Страница 24: ...Version 1 0 Page 23of 24 Service Guide SW HF 2 1 1800K Chapter 7 Schematic diagram SW HF 2 1 1800K MIC PCB Version 1 0 Page 24of 24...

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