KYE Systems Corp. Genius SP-i355 Скачать руководство пользователя страница 4

Service Guide                                                 

SP-i355 

                         

 

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 . 

             

 

Содержание Genius SP-i355

Страница 1: ...Service Guide SP i355 Version 1 0 Page 1 of 15 SERVICE GUIDE KYE SYSTEMS CORP SP i355...

Страница 2: ...Service Guide SP i355 Version 1 0 Page 2 of 15 Version 1 0 Revision History Version Date Change 1 0 7 5 2009...

Страница 3: ...1 2 1 One or more channels no sound Line in jack no function 7 1 2 2 Power LED indicator no light 8 1 2 3 Volume Tone no function 8 1 2 4 Earphone no function 9 Chapter 2 Specifications 10 Chapter 3 B...

Страница 4: ...ers 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 subwoo...

Страница 5: ...y tests Receiving Defective speakers from Customers Analyzing possible malfunction causes Deciding proceeding the rectification methods Replace necessary defective parts Proceeding tests to Verify if...

Страница 6: ...55 Version 1 0 Page 6 of 15 1 2 Problems Item Problem Description 1 2 1 One or more channels no sound Line in jack no function 1 2 2 Power LED indicator no light 1 2 3 Volume Tone no function 1 2 4 Ea...

Страница 7: ...given 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 U3 VR1 Speaker cable dis conn...

Страница 8: ...ht Power switch or LED defective Defective D1 D2 D4 D7 U4 Ac cord of transformer disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume Tone no fu...

Страница 9: ...1 0 Page 9 of 15 1 2 4 Earphone no function Problem Solutions Broken or short circuit Defective JACK2 R27 R28 Check solder points on PCB Analyzer and Identify the Causes Check and Replace defective co...

Страница 10: ...n 1 0 Page 10 of 15 Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 5 2 Sensitivity V 550 50 3 Freq Response 1KHz 3dB Hz 30 20K 10 4 Separation dB 40 5 S N ratio dB...

Страница 11: ...Service Guide SP i355 Version 1 0 Page 11 of 15 Chapter 3 Block Diagram Audio in Power Amplifier R CH Speaker Ac in L CH Speaker Power Conditioner Volume Control Tone Control...

Страница 12: ...Service Guide SP i355 Version 1 0 Page 12 of 15 Chapter 4 Exploded View...

Страница 13: ...7 100 01 6 Rubber Pad 34 5x4x1 mm SP i355 4 PC 27 100 02 7 PCBA SP i355 1 Set 27 101 03 8 IC PHILIPS HEF4013BP 1 PC E1065 33A 9 IC PT2256V 1 PC E1065 25 10 IC PHILIPS TFA9843J 1 PC E1065 52 11 IC UTC4...

Страница 14: ...Service Guide SP i355 Version 1 0 Page 14 of 15 Chapter 6 Schematic Diagram...

Страница 15: ...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 post...

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