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KYE Systems Corp. Genius SP-F120, Service Manual

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KYE Systems Corp. Genius SP-F120 Service Manual Download Page 7

Service Guide

                                                                                   

SP-F120

 

 

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  L/R  channels no sound 

 

 

 

 

Problem 

 

 

Analyze and 
Identify the Causes 

 

 

 

 

 

Solutions 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Version 1.0      Page 7 of 15 

L/R  channels no sound 

Broken or short circuit 

Check solder points on 

PCB 

Defective 
U1,VR1,PhoneJK,C3,
C4,C11,C12,C13,C14,
R7,R8 

Speaker cable dis-connect or 

speaker damaged 

Re-connected speaker cable 

or replace defective speakers 

Check and replace 

defective IC or 

components 

Summary of Contents for Genius SP-F120

Page 1: ...Service Guide SP F120 SERVICE GUIDE KYE SYSTEMS CORP Version 1 0 Page 1 of 15 ...

Page 2: ...Service Guide SP F120 SP F120 Version 1 0 Revision History Version Date Change 1 0 26 05 2006 Version 1 0 Page 2 of 15 ...

Page 3: ...view 5 1 2 Problems 6 1 2 1 L R channels no sound 7 1 2 2 No power 8 Chapter 2 Specifications Satellite 9 Chapter 3 Block Diagram 10 Chapter 4 Exploded View Satellite 11 12 Chapter 5 Part List 13 Chapter 6 Schematic Diagram 14 Chapter 7 Important Notes 15 7 1 Packing Requirement for Sending the PCB Assembly by post 15 7 2 Short of Spare Parts while Repairing a Speaker system 15 Version 1 0 Page 3 ...

Page 4: ...ect 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 to drop into the subwoofer case through its ventilator as it could result in fatal electric shock or fire Place the unit far enough from other equipments for good heat dissipation Disconnect the AC power cord from the AC outlet before performing a...

Page 5: ...omers Analyzing possible malfunction causes Deciding proceeding the rectification methods Replace necessary defective parts Return the speakers with proper repackaging to customers Verifying problems proceeding necessary tests Proceeding tests to verify if the speaker is functioning normally Function OK Function NG Function OK Function NG ...

Page 6: ...Service Guide SP F120 1 2 Problems Item Problem Description 1 2 1 L R channels no sound Version 1 0 Page 6 of 15 1 2 2 NO power Attention ...

Page 7: ...lems 1 2 1 L R channels no sound Problem Analyze and Identify the Causes Solutions Version 1 0 Page 7 of 15 L R channels no sound Broken or short circuit Check solder points on PCB Defective U1 VR1 PhoneJK C3 C4 C11 C12 C13 C14 R7 R8 Speaker cable dis connect or speaker damaged Re connected speaker cable or replace defective speakers Check and replace defective IC or components ...

Page 8: ...es Solutions Version 1 0 Page 8 of 15 No power Broken or short circuit Check solder points on PCB Defective D1 D4 Power SW Transformer Speaker cable dis connect or speaker damaged Re connected speaker cable or replace defective speakers Check and replace defective components ...

Page 9: ...tions Satellite Front AT 1KHZ NO Description Unit Specifications 1 Out Power at THD 10 W 0 8 0 2 2 Sensitivity mV 400 40 3 Freq Response Ref 3dB Hz 100 20K 4 Separation dB 35 5 S N ratio dB 40 6 Hum Noise Vol max mV 3 Version 1 0 Page 9 of 15 ...

Page 10: ...Service Guide SP F120 Chapter 3 Block Diagram Version 1 0 Page 10 of 15 ...

Page 11: ...Service Guide SP F120 Chapter 4 Exploded View Host Woofer 2 Knob 4 Front shell 3 Speaker 5090 7 Rear shell 6 Transformer 5 PCBA 1 Net frame Version 1 0 Page 11 of 15 ...

Page 12: ...Service Guide SP F120 Satellite 1 Net frame 2 Speaker 5090 3 Front shell 4 Rear shell Version 1 0 Page 12 of 15 ...

Page 13: ...H B10K 1 PC 1 224 000 0043 7 CARTON SP F120 1 PC 6 017 078 0010 8 TRANSFORMER 230V 9V AC 0 2A 1 PC 3 296 500 0015 9 AUDIO CABLE 1ST to 0 ST SP F120 1 PC 3 362 116 0025 10 AUDIO CABLE 0 to 0 SP F120 1 PC 3 359 100 0008 11 POWER CORD BLCK EU SP F120 1 PC 1 372 011 0005 12 S N LABEL 2 PC 5 030 400 0500 13 CARTON LABEL 1 PC 5 030 400 0501 14 Round Red type Label Ф10mm 1 PC 5 130 163 0003 15 FOAM BAG S...

Page 14: ...Service Guide SP F120 Chapter 6 Schematic Diagram Version 1 0 Page 14 of 15 5090 4OHM 3W ...

Page 15: ...each PCB assembly with a separate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending PCB assembly by post in that it would avoid unnecessarily lost or damage 7 2 Short of Spare Parts while Repairing a Speaker System Version 1 0 Page 15 of 15 If you are short of spare parts when you have some speaker systems waiting to be repaire...

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