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Version: 1.0    Page 3/16 

Getting Started

Conventions Used in this Guide 

Pay Special Attention: Instructions that are important to             
remember and may prevent mistakes. 

Safety Precautions 

The following precautions should be observed in handling the speaker described in this guide: 
Place the speakers on a flat level and stable surface. 
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 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 any maintenance on the 
speakers. 
Do not perform any maintenance with wet hand. 
Prevent foreign substance, such as water, other liquids or chemicals, from entering the speakers 
while performing maintenance procedures on the speakers.

Attention

Caution: Information that, if not followed, may result in   
damage to the product. 

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SW-HF2.1-1250

Summary of Contents for Genius SW-HF2.1-1250

Page 1: ...S SE ER RV VI IC CE E G GU UI ID DE E KYE SYSTEMS CORP SW HF2 1 1250 SW HF2 1 1250 Version 1 0 Total 17 Pages Cover Page included...

Page 2: ...Version 1 0 Page 1 16 s e g n a h C e t a D n o i s r e V 1 0 Official Release Revision History s Guide ervice SW HF2 1 1250...

Page 3: ...indicator Unlighted 6 1 2 2 Does not work or one channel no sound 7 1 2 3 Noise 7 Chapter2 Specifications 8 9 Chapter3 Block Diagram 10 Chapter4 Exploded View 11 12 Chapter5 Part List 13 14 Chapter6...

Page 4: ...es 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...

Page 5: ...necessary tests Analyzing possible Malfunction causes Deciding proceeding the rectification methods Replacing necessary Defective parts Proceeding tests To verify if the speaker is functioning normal...

Page 6: ...Version 1 0 Page 5 16 1 2 Problems Item Problem descriptions 1 2 1 Power LED indicator unlighted 1 2 2 Does not work or one channel no sound 1 2 3 Noise s Guide ervice SW HF2 1 1250...

Page 7: ...al Flow chart in that this is the best recommended sequence to rectify the problems Problem Analyze and Identify the Causes Solutions Secondary wire Of transformer is Disconnedcted of defective CheckD...

Page 8: ...IC IC1 2 3 Defective Audio cable Replace Audio cable Check solder Points on PCB And resolder defective one s Check and replace Defective IC Problem Analyze and Identify the Causes Solutions Noise Def...

Page 9: ...10 5 FREQUENCY RESPONSE 1KHz 0dB 3 3 B d z H 150 0 0 B d K 1 3 3 B d K 0 2 6 S N RATED O P POWER dB 73 73 7 CHANNEL UNBALANCE REF O P POWER dB 0 3 0 3 8 CHANNEL SEPARATION ONE CHANNEL IN OTHER CHANNEL...

Page 10: ...THD 10 W 16 8 15 2 SENSITIVITY 65Hz RATED O P POWER mV 96 10 3 SENSITIVITY 65Hz 1W O P POWER mV 22 10 4 MAX INPUT LEVEL 1 THD mV 80 10 5 FREQUENCY RESPONSE 65Hz 0dB 3 B d z z H 1 5 0 B d K 1 10 3 B d...

Page 11: ...POWER SUPPLY POWER SUPPLY Subwoofer Amplifier AUDIO IN AUX IN R L AUDIO IN R AUDIO IN L VOLUME CONTROL AUDIO IN R AUDIO IN L Low pass IC 4558 GAIN BASS VOLUME CONTROL IC TDA2030A IC UTC2030 Satellite...

Page 12: ...Version 1 0 Page 11 16 s Guide ervice SW HF2 1 1250 SATELLITE Chapter 5 Exploded View...

Page 13: ...Version 1 0 Page 12 16 s Guide ervice SW HF2 1 1250 Subwoofer Chapter 6 Exploded View...

Page 14: ...lack Color Buckle Black PA Heat sink AL Silver Nnt M5 Transformer 230V 50Hz 12 5AC 2 1 5A Screw zincification Black Color Screw zincification Black Color Rubber Foot Black Wind tube Lens No color Max...

Page 15: ...on RS Part No Part No 1 2 3 4 5 6 Logo Genius Fram Black coolr Wood Screw BPA3 10 Black coolr speaker 3 4 15W Wood box Black coolr 6T MDF Rubber foot Black 0406031101005G01 9110207132065G01 4102B30010...

Page 16: ...ach PCB assembly with a 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 avoi...

Page 17: ...4A UTC4558 5 6 7 IC4B UTC4558 D1 1N5399 D2 1N5399 D3 1N5392 D4 1N5399 V V V V V R3 47K PHON1 VOLA B50K VOLB B50K TREA B50K TREB B50K RCA1A RCA1B C16 153 C17 153 1 2 3 CN3B R30 22K R29 22K R28 2 2K R27...

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