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Service Guide Model No : SP-i300

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 (Line in jack no function)

Problem

Analyze
and
Identify
Cause

Solution

Speaker no sound

Component cold

solder or Short

Circuit

Defective U2, U5,

Speaker cable disconnect,

USBJack1, J2 defective

or speaker damaged

Check solder

point on PCBA

Check and

Replace defective

Reconnect speaker cable or

replace defective speaker

driver and component

Page 7/15

Содержание Genius SP-i300

Страница 1: ...Service Guide Model No SP i300 SERVICE GUIDE KYESYSTEMS CORP...

Страница 2: ...Service Guide Model No SP i300 Revision History Version Date Change 1 0 05 10 2010 First Release Page 2 15...

Страница 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...

Страница 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...

Страница 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...

Страница 6: ...Service Guide Model No SP i300 Problems Item Problem Description 1 1 Speaker no sound 1 2 LED no light 1 3 Power Function Knob no function 1 4 USB no function Page 6 15...

Страница 7: ...y the problems 1 1 Speaker no sound Line in jack no function Problem Analyze and Identify Cause Solution Speaker no sound Component cold solder or Short Circuit Defective U2 U5 U9 Speaker cable discon...

Страница 8: ...older or Short Circuit Defective U1 U2 U4 U6 U7 or Y1 BT1 or LED1 LED2 defective Check solder point on PCBA Check and Replace defective IC or Crystal Replace defective LED or Battery Page 8 15 Power F...

Страница 9: ...0 1 3 USB no function Problem Analyzer and Identify the Causes Solution USB no function Component cold solder or Short Circuit U2 U3 or CON1 efective Check solder point on PCBA Check and Replace defec...

Страница 10: ...l No SP i300 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 120 20K 10 4 S N ratio dB 70 5 Hum Noise Vol ma...

Страница 11: ...i300 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 D...

Страница 12: ...Service Guide Model No SP i300 Chapter 4 Exploded View Page 12 15...

Страница 13: ......

Страница 14: ...MD decoder LQFP48 AU7840 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 LINEA...

Страница 15: ...Service Guide Model No SP i300 Chapter 6 Schematic Diagram Pls refer to The Attachment Page 14 15...

Страница 16: ...GPIO_A3 VDD18 GPIO_B4 VSS RESET_N GPIO_A4 GPIO_B3 GPIO_D0 VDD33 GPIO_C3 GPIO_C2 VDD18 VSS GPIO_B7 GPIO_B6 GPIO_B5 GPIO_D1 MOD1 MOD0 TEST AUXIN_R AUXIN_L HPOUTR R55 10K D1 LED BI COLOUR C34 100P R36 4...

Страница 17: ...D VCC VDD33 OPVDD C74 102 C76 20P R54 100K J2 PHONEJACK STEREO SW 1 2 3 4 5 C72 470PF C67 104 C77 22P C65 470UF R52 4 7K C68 104 C78 104 C71 102 C69 102 LS1 SPEAKER L16 100M U9 BA2010 1 2 3 4 5 6 7 8...

Страница 18: ...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...

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