All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Revision History Version Date Change First Release 24/08/2010 Page 2/15...
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Table of Contents Revision History …………………………………………………………………….2 Table of Contents ……………….……………………………………………………3 Getting Started ……………………………………………………………………….4 Conventions Used in this Guide ……………………….…..………………..4 Safety Precautions …….……………………………………………………..4 Chapter 1. How to Handle Defective Returns……………………………………..5 1.1 Speaker no sound 1.2 LED no light 1.3 Power/Volume Knob no function...
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 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 .
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Chapter 1. How to Handle Defective Returns Overview Receiving Defective speakers from Customers Function NG __ __ Analyzing possible malfunction causes Deciding & proceeding the Function NG rectification methods Function OK Replace necessary defective parts...
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Problems Item Problem Description Speaker no sound LED no light Power/Volume Knob no function Page 6/15...
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All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 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. Speaker no sound (Line in jack no function) Problem Speaker no sound Analyze...
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All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 LED no light Problem Power LED no light Analyzer and Component cold Defective U2,Q1 BT1 or LD1 defective Identify the Causes solder or Short or Q2 Circuit Check solder Check and Replace defective LED or...
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All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Power/Volume Knob no function Problem Bass/Volume no function Analyzer and Component cold VR1 efective solder or Short Identify the Causes Circuit Check solder Replace defective VR1 point on PCBA Solution Page 9/15...
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Chapter 2. Specifications NO. Description Unit Specifications ≧1.5 Out Power at THD 10% Sensitivity 600± 60 Freq. Response (1KHz -3dB) 70~20K ± 10% ≧ ≧ ≧ ≧ 70 S/N ratio ≦...
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Chapter 3 Block Diagram Battery Charge USB In Audio Audio in Power Sw, & Amplifier IC LCH & RCH Volume control PAM8303C Speaker out Page 11/15...
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Chapter 5. Part List DESCRIPTION UNIT Part No. PAM8303C IC LN2054 BATTERY FBY508037-0003 FRONT PANEL BPF500919- 0002 CABINET BPQ500402-00AB METAL GRILLE GSN540167-0010 FOAM GASKET IVE500021-0004 FOAM GASKET IVE500011-0024 SPK UNIT FSA510215-140...
All manuals and user guides at all-guides.com Service Guide Model No : SP-i170 Chapter 7. Important Notes 7.1 Packing Requirement for Sending the PCB Assembly by Post PCB assembly is a kind of sophisticated electronic circuit board. Well packing will be required when sending them by post. * Some sophisticated IC components are mounted on the PCB assembly, hence it is necessary to pack each PCB assembly with a separate static protecting bag, in order to avoid static electricity.