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Table of contents for the manual
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Page 1
Ser vic e Gui de S P- i 16 0 SE R VI C E G U ID E KY ES YS TE MS C ORP . S P - i 1 6 0 V er s io n : 1 .0 Pag e 1 of 1 4[...]
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Page 2
Ser vic e Gui de S P- i 16 0 Ve r si o n : 1. 0 Re vi si on Hi st or y Version Date Change 1.0 15/01/2010 V er s io n : 1 .0 Pag e 2 of 1 4[...]
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Page 3
Ser vic e Gui de S P- i 16 0 Tab le of C on ten ts Revision History …………………………………………………………………….2 Table of Contents ……………….……………………………………………………3 Getting Started ……………………………………………………………………….4 Co[...]
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Page 4
Ser vic e Gui de S P- i 16 0 Ge t t i ng S t a rt e d Conven tions Used in this Guid e Pay Special Attention : I nstructions that are important to remember and may prevent mistakes . Caution : Informa tion that, if not followed, may r esult in damage to the product . Safety Precautions The following preca utions should be observed in handling the s[...]
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Page 5
Ser vic e Gui de S P- i1 60 Ch apte r 1. Ho w to Ha ndl e De fecti ve R etur ns 1.1 Overview Receiving Defective speakers from Custom ers Function NG __ __ Analy zing po ssible malf unction cau ses Fu ncti on NG Deciding & proceeding the rectification methods Fu ncti on OK Replace necessary defective parts Function OK Return the speakers with p[...]
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Page 6
Ser vic e Gui de S P- i1 60 1.2 Probl em s Ite m Pro blem D escript ion 1. 2. 1 No sound (L ine in ja ck no functio n) 1. 2. 2 Power LED (indicator) n o light 1. 2. 3 Li- ION battery can’t charge V er si on : 1. 0 Pag e 6 of 14[...]
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Page 7
Ser vic e Gui de S P - i 1 6 0 Att enti on Please foll ow the numbered sequence marked within parenthesis given in individual Fl ow chat, in that this is the be st-recom mended sequence t o rectify the problems. 1.2.1 One or more channels no sound (Line i n jack no functi on) Pro blem No sound A n a ly z e r a n d I de nt if y t h e C a u s e s B r[...]
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Page 8
Ser vic e Gui de S P- i1 60 1.2.2 Power LED (i ndicato r) no light Pro blem Power LED (indicator) no light Analy ze r and Identify the Caus es Pow er s w itch or L ED defective D e f e c t i v e J 1 Sol uti ons Re-solder or r eplace def ectiv e com pon ent (s) 1.2 .3 T he Li-IO N B atte ry can’ t c har ge Pro blem The Li-ION battery can’t charg[...]
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Page 9
Ser vic e Gui de S P- i1 60 Chapter 2. Specifications NO. Description U ni t Specif ications 1 Out Pow er a t TH D 10% W ≧ ≧ ≧ ≧ 1.8 2 Sensitivity mV 600 ± 50 3 Fr eq. Resp onse (1 KHz -3dB) Hz 180~20K ± 10% 4 Separatio n dB ≧ ≧ ≧ ≧ 40 5 S/N ratio dB ≧ ≧ ≧ ≧ 80 6 Hum & Noise (Vo l.: max) mV ≦ ≦ ≦ ≦ 2 V er si on[...]
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Page 10
Ser vic e Gui de S P- i1 60 Chapter 3. Block Diagram Audio — ► Tone Control Volume Control — ► L.CH Speaker A Power i Ac in Conditioner V er si on : 1. 0 Pag e 1 0 of 14[...]
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Page 11
Ser vic e Gui de S P- i1 60 Chapter 4. Exploded View V er si on : 1. 0 Pag e 1 1 of 14[...]
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Page 12
Ser vic e Gui de S P- i1 60 Chapter 5. Part List DESCRIPTIO N Qty UN IT Part No. RS,ASM,SP-I1 60,HOST,BL ACK 31730 952100 RS,ASM,SP-I1 60,HOST,W HITE 1 PC 31730952101 Loud Speaker 1.25" 4 ohm 1~ 2W 1 PC FSA510112 -1402 Ru bber Pa d( Φ 4.8 X 2. 3T), SP -i16 0 3 PC 15400009100 PCBA, SP-i16 0 1 PC ASL507003 -0026 IC, JRC NJM2761 1 PC IC, T1 TPA2[...]
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Page 13
Ser vic e Gui de S P- i1 60 Chapter 6. Schematic Diagram Pls refer to next page V er si on : 1. 0 Pag e 1 3 of 14[...]
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Page 14
1 2 3 4 A B C D 4 3 2 1 D C B A Ti tle Num ber R evisi on Siz e A4 Da te: 21- Jan-20 10 She et of Fil e: E: M ODE L IN FO KY EF 4Mr Pai .ddb Dra wn By : VE R090 820 S1 SP K R1 3 8K 2 R8 8K 2 C1 2 10 4 Vc c C1 1 10 uF C5 47 1 C1 10 uF R5 240 k R4 68k Shu t_DN 1 2 3 4 5 J1 CN 4P -US B L1 BE AD 12 0 5V R1 1 4.7 K C3 10 0uF C2 10 4 CH RG 1 GND 2 BA[...]
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Page 15
Ser vic e Gui de S P- i1 60 Chapter 7. I mportant 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 require d when sending them by post. * Some sophisticated I C components are mounted on the PCB asse mbly , hence it is necessary to pack each PCB[...]