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KYE Systems Corp. Genius SP-J330, Service Manual

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KYE Systems Corp. Genius SP-J330 Service Manual Download Page 6

Service Guide

                                                                     

SP-J330 

 

 

        1.2 Problems  

                Item                                          Problem Description 

           

     

1.2.1      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      No effect when rotating VR 
                    1.2.6            Noise 
                    1.2.7            LED indicators no light 
          1.2.8      Input jack no use 
          1.2.9 No effect when turning on 3D knob. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

               

     

                   

Version 1.0                                                      Page 6 of 22

 

 

Summary of Contents for Genius SP-J330

Page 1: ...Service Guide SP J330 SERVICE GUIDE KYE SYSTEM CORP Version 1 0 Page 1 of 22...

Page 2: ...Service Guide SP J330 Revision History Version Date Change 1 0 12 12 2008 Version 1 0 Page 2 of 22...

Page 3: ...channel no sound 9 1 2 4 Left channel no sound 10 1 2 5 VR no use 11 1 2 6 Noise 12 1 2 7 LED indicators no light 13 1 2 8 Input jack no use 14 1 2 9 No effect when turning on 3D knob 15 Chapter 2 Spe...

Page 4: ...e 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 anything...

Page 5: ...sion 1 0 Page 5 of 22 Receiving Defective speaker from customers Return the speakers with proper repacking to customers Verifying problems Proceeding Necessary tests Analyzing possible Malfunction cau...

Page 6: ...o 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 No effect when rotating VR 1 2 6 Noise 1 2 7 LED indicators no light 1 2 8 Input jack no us...

Page 7: ...indicator unlighted Problem Analyze and identify the causes Solutions Version 1 0 Page 7 of 22 Repair or replace 1 Defective AC cable 2 Defective transformer 1 Loose connection between transformer sec...

Page 8: ...dry soldered or short circuited 2 Input cable connected well or not No sound Repair resolder or replace 1 Power supply for IC1 in AMP PCB normal or not EC13 IC1 VR2 defective dry soldered or short ci...

Page 9: ...defective 2 Right Speaker cable damaged or defective 3 Right driver unit dry soldered or defective 1 PCB broken dry soldered or short circuited 2 Defective VR1 VR2 in AMP PCB 3 JK4 JK5 in JK PCB defe...

Page 10: ...t cable or input jack damaged or defective 2 Left Speaker cable damaged or defective 3 Left driver unit dry soldered or defective 1 PCB broken dry soldered or short circuited 2 Defective VR1 VR2 in AM...

Page 11: ...hen rotating VR Problem Analyze and identify the causes Solutions Version 1 0 Page 11 of 22 No effect when rotating VR VR1 VR2 in PW PCB defective or not VR related copper foil broken dry soldered or...

Page 12: ...f 22 Hum noise 1 D1 D2 D3 D4 EC14 in PW PCB dry soldered or defective 2 Power supply for IC1 normal or not 3 PCB broken or dry soldered Repair Repair or replace 2 Driver units damaged 3 EC5 EC12 in AM...

Page 13: ...2 7 LED indicators no light Problem Analyze and identify the causes Solutions Version 1 0 Page 13 of 22 Check and replace 2 R18 or LED defective or dry soldered 1 Defective dry soldered or broken PCB...

Page 14: ...Input jack no use Problem Analyze and identify the causes Solutions Version 1 0 Page 14 of 22 Check and replace or re solder Input jack no use 1 JK4 in JK PCB defective or damaged 2 JK4 related cooper...

Page 15: ...ning on 3D knob Problem Analyze and identify the causes Solutions Version 1 0 Page 15 of 22 Check and replace or re solder No effect when turning on 3D knob 1 SW1 R7 in PW PCB defective or damaged 2 S...

Page 16: ...ISTOPTION 1kHz 1W OUT 0 25 0 25 0 5 FREQUENCY RESPONSE 1KHz 3DB LOW Hz 20 20 20 10 FREQUENCY RESPONSE 1KHz 3DB HI KHz 65 65 65 20 S N RATED O P POWER d B 79 79 70 CHANNEL UNBALANCE REF O P POWER d B 0...

Page 17: ...Service Guide SP J330 Version 1 0 Page 17of 22 Chapter 3 Block diagram...

Page 18: ...Service Guide SP J330 Right speaker Version 1 0 Page 18 of 22 Chapter 4 Exploded view...

Page 19: ...Service Guide SP J330 Left speaker Version 1 0 Page 19 of 22 Chapter 4 Exploded view...

Page 20: ...23011052 15 TA8207 IC EP1C010250 16 switch EP19010001 plastic piece to provent air flow 17 EP41110143 sponge 18 18 15MM EP73010081 18 19 VR 1230KGS B10K L12 EP1B010081 20 VR RW1660GOJH B50K L12 EP1B01...

Page 21: ...rate 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 dama...

Page 22: ...Service Guide SP J330 Version 1 0 Page 22 of 22 Chapter 7 Schematic diagram...

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