KYE Systems Corp. Genius SP-I400 Service Manual Download Page 7

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Service Guide Model No : SP-I400

Attention

Please follow the numbered sequence marked within parenthesis given in individual Flow

chat, in that this is the best-recommended sequence to rectify the problems.

1.1 Speaker no sound

Problem

Analyze
and
Identify
Cause

Solution

Speaker no sound

Component cold

solder or Short

Circuit

Defective U2, U5,

Speaker cable disconnect,

USBJack1, CN1

defective or speaker

Check solder

point on PCBA

Check and

Replace defective

Reconnect speaker cable or

replace defective speaker

driver and component

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Summary of Contents for Genius SP-I400

Page 1: ...Service Guide Model No SP I400 SERVICE GUIDE KYESYSTEMS CORP Page 1 15...

Page 2: ...Service Guide Model No SP I400 Revision History Version Date Change 1 0 08 04 2011 First Release 2 0 14 04 2011 Data Update Page 2 15...

Page 3: ...tive Returns 5 1 1 Speaker no sound 1 2 LED no light 1 3 Power Volume Knob no function Chapter 2 Specifications 10 Chapter 3 Block Diagram 11 Chapter 4 Exploded View 12 13 Chapter 5 Part List 14 Chapt...

Page 4: ...nments 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 thro...

Page 5: ...Receiving Defective speakers from Customers Function NG __ __ Analyzing possible malfunction causes Function NG Deciding proceeding the rectification methods Function OK Replace necessary defective pa...

Page 6: ...Service Guide Model No SP I400 Problems Item Problem Description 1 1 Speaker no sound 1 2 LED no light 1 3 Power Function Knob no function 1 4 Card Reader no function Page 6 15...

Page 7: ...quence to rectify the problems 1 1 Speaker no sound Problem Analyze and Identify Cause Solution Speaker no sound Component cold solder or Short Circuit Defective U2 U5 U9 Speaker cable disconnect USBJ...

Page 8: ...solder or Short Circuit Defective U1 U2 U4 U6 U7 or Y1 BT1 or D1 D2 defective Check solder point on PCBA Check and Replace defective IC or Crystal Replace defective LED or Battery Page 8 15 Power Fun...

Page 9: ...ard Reader no function Problem Analyzer and Identify the Causes Solution Card Reader no function Component cold solder or Short Circuit U2 U6 or CN1 defective Check solder point on PCBA Check and Repl...

Page 10: ...l No SP I400 Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 1 5 2 Sensitivity mV 600 60 3 Freq Response 1KHz 3dB Hz 200 20K 10 4 S N ratio dB 70 5 Hum Noise Vol ma...

Page 11: ...0 Chapter 3 Block Diagram PRE Amplifier IC CM8608 Mini USB and 3 5mm Phone jack In Power Sw Volume control Audio Amplifier IC BA2010 Speaker out Page 11 15 Battery Charge 3 5mm Phone jack Pre out DSP...

Page 12: ...Service Guide Model No SP I400 Chapter 4 Exploded View Page 12 15...

Page 13: ...840 1 U2 3 IC SMD REG SOT89 5 0V 2 AP2201 1 U3 4 IC SMD REG 1 8V SOT23 SU3301A18L3 1 U4 5 IC SMD Driver SOP 8 CM8608IS 1 U5 6 IC SMD REG 3 3V SOT23 SU3301A33L3 1 U6 7 IC SMD LINEAR Charger SOT23 5L LN...

Page 14: ...Service Guide Model No SP I400 Chapter 6 Schematic Diagram Pls refer to The Attachment Page 14 15...

Page 15: ...NC 4 GND 5 G 8 G 7 G 6 G 9 USBJACK1 USB mini B Type L8 100M600R C14 105 SW4 C4 105 R3 4 7K C2 22P R37 0R R35 2 2K R17 1MR C46 470UF R13 10K R6 4 7K R42 NC BT1 BATTERY C35 105 C29 150P IN 3 OUT 1 GND 2...

Page 16: ...2 4 7K C68 104 C78 104 C71 102 C69 102 LS1 SPEAKER L16 100M INP 1 VDD 2 INN 3 SD_B 4 OUTP 5 GND 6 OUTN 7 GND 8 PVDD 9 U9 BA2010 C66 22P R49 20K R53 1K L14 100M600R R51 240K C70 473 C73 473 L15 100M C7...

Page 17: ...ry 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 wo...