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Service Guide

SP-HF1800A

Version : 1.0

Page 1 of 16

SERVICE GUIDE

KYE SYSTEMS CORP.

SP-HF1800A

Version : 1.0

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Summary of Contents for SP-HF1800A

Page 1: ...Service Guide SP HF1800A Version 1 0 Page 1 of 16 SERVICE GUIDE KYE SYSTEMS CORP SP HF1800A Version 1 0 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...Service Guide SP HF1800A Version 1 0 Page 2 of 16 Revision History Version Date Change 1 0 7 16 2009 All manuals and user guides at all guides com ...

Page 3: ...6 1 2 1 One or more channels no sound 7 1 2 2 Power LED indicator no light 8 1 2 3 Volume Treble Bass no function 8 Chapter 2 Specifications 9 Chapter 3 Block Diagram 10 Chapter 4 Exploded View 11 Chapter 5 Part List 13 Chapter 6 Schematic Diagram 14 15 Chapter 7 Important Notes 16 7 1 Packing Requirement for Sending the PCB Assembly by Post 16 7 2 Short of Spare Parts while Repairing a Speaker Sy...

Page 4: ...ubject 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 performin...

Page 5: ...ective speakers form Customers Analyzing possible malfunction causes Deciding proceeding the rectification methods Replace necessary defective parts Proceeding tests to Verify if the speaker is functioning normally Return the speakers with proper repackaging to customers Function NG Function OK Function OK Function NG All manuals and user guides at all guides com ...

Page 6: ... 1 0 Page 6 of 16 1 2 Problems Item Problem Description 1 2 1 One or more channels no sound 1 2 2 Power LED indicator no light 1 2 3 Volume Treble Bass no function All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 7: ...w chat in that this is the best recommended sequence to rectify the problems One or more channels no sound Broken or short circuit Defective IC50 IC1 IC2 CON3 CON5 Speaker cable dis connect or speaker damaged Check solder points on PCB Check and Replace defective IC Re connect speaker cable or replace defective speaker s Analyzer and Identify the Causes All manuals and user guides at all guides co...

Page 8: ...efective JK2 Q101 R6 Z101 CON4 AC cord of transformer disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume Treble Bass no function Broken or short circuit Defective VR1 VR2 VR3 C13 C23 C14 C24 C15 C25 R15 R25 Check solder points on PCB Analyzer and Identify the Causes Check and Replace defective components All manuals and user guides at all g...

Page 9: ...ter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 25 2 Sensitivity mV 600 60 3 Freq Response Ref 3dB Hz 20Hz 20KHz 10 4 Separation dB 40 5 S N ratio dB 70 6 Hum Noise Vol max mV 2 All manuals and user guides at all guides com ...

Page 10: ...1800A Version 1 0 Page 10 of 16 Chapter 3 Block Diagram AUDIO IN Bass Control Power Amplifier R CH Speaker AC IN L CH Speaker Treble Control Volume Control Transformer Filter All manuals and user guides at all guides com ...

Page 11: ...Service Guide SP HF1800A Version 1 0 Page 11 of 16 Chapter 4 Exploded View Host All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ...Service Guide SP HF1800A Version 1 0 Page 12 of 16 Satellite All manuals and user guides at all guides com ...

Page 13: ...800A Body Host 240V AU 30 101 05 10 SP HF1800A Body Host 240V UK 1 PC 30 101 06 11 PCBA SP HF1800A 1 PC 30 101 07 12 IC STA540SA 1 PC E1065 48 13 IC YW UTC4558 2 PC 25 100 05 14 Transformer 120V 15VAC 2 5A E1074 148 15 Transformer 230V 15VAC 2 5A E1074 149 16 Transformer 240V 15VAC 2 5A 1 PC E1074 150 17 Audio Cable 3 5mm Male Green to RCA Red White SP HF18000A 1 PC E1066 31 18 Gift Box SP HF1800A...

Page 14: ...Service Guide SP HF1800A Version 1 0 Page 14 of 16 Chapter 6 Schematic Diagram All manuals and user guides at all guides com ...

Page 15: ...Service Guide SP HF1800A Version 1 0 Page 15 of 16 All manuals and user guides at all guides com ...

Page 16: ...B 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 If you are short of spare parts when you have some speaker systems waiting to be repaired it would be recommended to take...

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