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Service Guide                                               

SP-HF850X

Version : 1.0

Page 4 of 15

Getting Started 

Conventions Used in this Guide

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

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

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 substances, such as water, other liquids or chemicals ,   
From entering the speakers while performing maintenance procedures 
on the speakers . 

Summary of Contents for Genius SP-HF850X

Page 1: ...SP HF850X Service Guide SP HF850X Version 1 0 Page 1 of 15 SERVICE GUIDE KYE SYSTEMS CORP...

Page 2: ...Service Guide SP HF850X Version 1 0 Page 2 of 15 Version 1 0 Revision History Version Date Change 1 0 04 15 2008...

Page 3: ...1 1 Overview 5 1 2 Problems 6 1 2 1 One or more channels no sound 7 1 2 2 Power LED indicator no light 8 1 2 3 Volume no function 8 Chapter 2 Specifications 9 Chapter 3 Block Diagram 11 Chapter 4 Exp...

Page 4: ...kers 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 subwo...

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...

Page 6: ...Service Guide SP HF850X Version 1 0 Page 6 of 15 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 no function...

Page 7: ...iven in individual Flow chat in that this is the best recommended sequence to rectify the problems One or more channels no sound Broken or short circuit Defective U1 U2 K1 K3 Speaker cable dis connect...

Page 8: ...tor no light Power switch or LED defective Defective K1 F2 R21 LED Ac cord of transformer disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume n...

Page 9: ...1 0 Page 9 of 15 Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 10 2 Sensitivity mV 440 60 3 Freq Response Ref 3dB Hz 50Hz 20KHz 4 Separation dB 40 B d o i t a r N...

Page 10: ...Service Guide SP HF850X Version 1 0 Page 10 of 15 Chapter 3 Block Diagram AUDIO IN Volume Increase Power Amplifier R CH Speaker AC IN L CH Speaker Volume Decrease Power Conditioner...

Page 11: ...Service Guide SP HF850X Version 1 0 Page 11 of 15 Chapter 4 Exploded View Host...

Page 12: ...Service Guide SP HF850X Version 1 0 Page 12 of 15 Satellite...

Page 13: ...1 PC 6 1 PC 7 1 PC 8 1 PC PCBA SP HF850X IC SJ9843 SP HF850X BODY 230V EU CARTON SP HF850X GLFT BOX SP HF850X 230V EU NO PMOP 412000200209 462212313009 462112313009 PartNo 101123130109 Transformer 230...

Page 14: ...Service Guide SP HF850X Version 1 0 Page 14 of 15 Chapter 6 Schematic Diagram...

Page 15: ...e it is necessary to pack 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 pos...

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