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Service Guide                                                                      Model No : SP-HF800 PRO 

                                                                                                     

 

SERVICE GUIDE

 

KYESYSTEMS CORP. 

 

       

 

 
 
 
 
 
 

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Содержание Genius SP-HF800 PRO

Страница 1: ...Service Guide Model No SP HF800 PRO SERVICE GUIDE KYESYSTEMS CORP Page 1 19 ...

Страница 2: ...Service Guide Model No SP HF800 PRO Revision History Version Date Change 1 0 06 05 2010 First Release Page 2 19 ...

Страница 3: ...ns 5 1 1 Speaker no sound 1 2 Power LED no light 1 3 Headphone no sound 1 4 Bass Volume no function Chapter 2 Specifications 10 Chapter 3 Block Diagram 11 Chapter 4 Exploded View 12 13 Chapter 5 Part List 14 Chapter 6 Schematic Diagram 15 18 Chapter 7 Important Notes 19 7 1 Packing Requirement for Sending the PCB Assembly by Post 19 7 2 Short of Spare Parts while Repairing a Speaker System 19 Page...

Страница 4: ...ironments 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 befor...

Страница 5: ...ew Receiving Defective speakers from Customers Function NG _ ___ Analyzing possible malfunction causes Function NG Deciding proceeding the rectification methods Function OK Replace necessary defective parts Function OK Return the speakers with proper repackaging to customers Page 5 19 ...

Страница 6: ...Service Guide Model No SP HF800 PRO Problems Item Problem Description 1 1 Speaker no sound 1 2 Power LED no light 1 3 Headphone no sound 1 4 Volume no function Page 6 19 ...

Страница 7: ...roblems 1 1 One or more channels no sound Line in Audio in jack no function Problem Analyze and Identify Cause Solution Speaker no sound Component cold solder or Short Circuit Defective U3 IC1 IC2 Speaker cable disconnect J4 or J5 defective or speaker damaged Check solder point on PCBA Check and Replace defective IC Reconnect speaker cable or replace defective speaker driver and component Page 7 1...

Страница 8: ...ution Power LED no light Component cold solder or Short Circuit Defective U1 U2 U3 T1 or F1 Power Switch or LED defective Check solder point on PCBA Check and Replace defective IC or Fuse Replace defective Power Switch or LED Headphone no sound Component cold solder or Short Circuit JK1 Phone jack defective Check solder point on PCBA Replace defective JK1 Phone jack Page 8 19 ...

Страница 9: ... No SP HF800 PRO 1 4 Volume no function Problem Analyzer and Identify the Causes Solution Volume no function Component cold solder or Short Circuit VR1 defective Check solder point on PCBA Replace defective VR1 Page 9 19 ...

Страница 10: ...800 PRO Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 10 2 Sensitivity mV 850 50 3 Freq Response 1KHz 3dB Hz 20 20K 10 4 Separation dB 40 5 S N ratio dB 70 6 Hum Noise Vol max mV 2 Page 10 19 ...

Страница 11: ...ervice Guide Model No SP HF800 PRO Chapter 3 Block Diagram Audio in LCH RCH Headphone output LCH RCH Power Sw Volume control Audio Amplifier IC STA540SA LCH RCH Page 11 19 PRE Amplifier Audio in LCH RCH ...

Страница 12: ...Chapter 4 Exploded View Service Guide Model No SP HF800 PRO Page 12 19 ...

Страница 13: ...Service Guide Model No SP HF800 PRO Page 13 19 ...

Страница 14: ... Power Amp IC STA540SA 1 U3 2 IC FM300N 1 U1 3 BPC817 IC 1 U3 4 YJ KB2511A YJ KB2811A Transformer 1 T1 5 GBP206 Rectifier 1 D1 6 SMD IC LM4558 2 IC1 IC2 7 TL431 IC 1 U2 8 MUR620CT 1 D4 9 POWER CORD 2P 1 VPE003012 002 0 10 SPK UNIT 1 FSA511527 241 2 11 RCA CABLE 1 VRC220001 001 0 Page 14 19 ...

Страница 15: ...Service Guide Model No SP HF800 PRO Chapter 6 Schematic Diagram Pls refer to next pages Page 15 19 ...

Страница 16: ...HF800r EQ logic sch 1 Wed May 12 17 10 37 2010 Model No SP HF800 PRO Page 16 19 ...

Страница 17: ...HF800Pro SMPS sch 1 Wed May 12 17 07 53 2010 Page 17 19 Model No SP HF800 PRO ...

Страница 18: ...SA 1 2 C3 1000u 25V 1 2 C4 2200u 25V 1 2 C17 47u 25V 1 2 C18 10u 25V 1 2 C1 1000u 25V 1 2 C2 1000u 25V C6 104 C8 104 C14 100p C12 33p C5 104 C13 100p C9 33p C10 33p C16 105 C7 104 C15 105 C11 33p R6 1k R3 10k R5 10k R4 10k R7 1k 1 2 J2 CN2 2 5mm 1 2 3 4 5 6 7 8 J3 CN8 2mm B1 100R B2 100R VDD VDD CH1OUT CH1OUT CH1OUT CH1OUT CH1OUT CH1OUT VCC 1 OUT1 2 IN1 3 INT 4 REF 5 SENS 6 SW 7 IN2 8 OUT2 9 GND 1...

Страница 19: ...essary 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 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 ...

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