Genius Speaker System 31730952100 User's Manual
Contents
1. 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 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 be recommended to take the necessary parts form one speaker system so that you may have the as many speaker systems Version 1 0 Page 14 of 142. Service Guide SP i160 SERVICE GUILDE KYESYSTEMS CORP SP i160 Version 1 0 Page 1 of 14 Service Guide SP i160 Version 1 0 Revision History Version Date Change Version 1 0 Page 2 of 14 Service Guide SP i160 Table of Contents Revision RIGOR muerte Fable of Contents Getting Started feces st eH X ENSE nea EAR HR EE 4 Conventions Used m this Guide d pretty eet eet ta pe esos s Coe CH ears 4 Safety Preca tions soe oae en OE epe bt HORE PROCHES rhet Chapter 1 How to Handle Defective 5 IEES Can AES 5 TZ PEIODIGRBIS ated o t art d de 6 1 2 1 No sound Line in jack no function 7 1 2 20 Power LED indicator no light 8 1 2 3 Li ION battery can t 8 Chapter 2 6 1 ios dr tact c Ad 9 chapter Block Diagtdm iso REIR NERIS HERI APUL RIS 10 Chapters Exploded sese doe 11 Chapter ss Part stus ceder e oo o Mt ail RS TM CRF 12 Chapter 6 Schematic ue d ora ian Rees 13 Chapter 7 Important Notes ooi eis os tex orans este 14 7 1 Packing Requirement for Sending the PCB Assembly by Post 14 7 2 Short of Spare Parts wh
3. art No 31730952100 31730952101 FSA510112 1402 15400009100 ASL507003 0026 RCI203101 0001 FBY508037 0003 12290076100 12061017100 12020186100 12020187100 12150227100 12140001100 12061993100 12100465100 Version 1 0 Page 12 of 14 Service Guide SP i160 Chapter 6 Schematic Diagram Pls refer to next page Version 1 0 Page 13 of 14 1 2 d S1 CRISE R9 SW SPDT BEAD 20 5 BEAD120 USB ON O R12 BAT ON 2K LD2 BLUE X RG 8 BAT L gt UU 2 PROG 9 BTI RM NC BATTERY Vee a 47K R6 EHE d d 100K EZ Shut DN VDD PVDD a S 100 E 7 4 GNDGND cl SH 9 224 223 C4 R5 C5 240k 471 IN Vo a ShutDN 6 GND L3 473 BEAD120 U4 IC NJM2761 C6 473 R3 C7 240k 41 Size Number Revision A4 SP i160 VER090820 Date 21 Jan 2010 Sheet of File EAMODEL INFO KYE F4 Mr Pai ddb Drawn By 1 2 3 4 Service Guide SP i160 Chapter 7 Important Notes 7 1 7 2 Packing Requirement for Sending 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
4. e The Li ION battery can t charge Problem Analyzer and Identify the Causes Broken or short circuit Solutions Check solder points on PCB Check and Replace defective components Version 1 0 Page 8 of 14 Service Guide Chapter 2 Specifications Description 1 Out Power at THD 10 Sensitivity Freq Response 1KHz 3dB Separation 4 S N ratio ERI Hum amp Noise Vol max Version 1 0 Page 9 of 14 SP i160 Specifications gt 1 8 600 50 180 20K 1096 Service Guide SP il60 Chapter 3 Block Diagram 5V DC Li ION Battery Charger LN2054 Li ION Battery n S 37V DC POWER SWITCH MINI USB Signal F Audio Limiter Audio AMP IC e SPK Adding NIM2761 PA2031D1 ohms 2W Version 1 0 Page 10 of 14 SP 1160 Service Guide Chapter 4 Exploded View Page 11 of 14 Version 1 0 Service Guide Chapter 5 Part List DESCRIPTION RS ASM SP 1160 HOST BLACK RS ASM SP 1160 HOST WHITE Loud Speaker 1 25 4 ohm 1 2W Rubber Pad 4 8 X 2 3T SP i160 PCBA SP i160 IC JRC NJM2761 IC T1 TPA2031D1 IC LN LN2054 BATTERY SP i160 FANNEL BAG SP i160 S N LABEL SP i160 CARD SP i160 B CARD SP i160 W INNER TRAY SP i160 PET BOX SP i160 Anti fake Label on Gift Box Carton SP i160 Qty X Gl 2 NI 2 2 2 ow oa zx eo lt O PC PC PC PC Set PC PC PC PC PC PC PC PC PC SP i160 P
5. ile Repairing a Speaker System 14 Version 1 0 Page 3 of 14 Service Guide SP i160 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 Safety Precautions The following precautions should be observed in handling the speaker Described in this guide Place the speakers on a flat level and stable surface Do not place the speakers in environments 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 before performing any maintenance on the speakers Do not perform any maintenance with wet hand Prevent foreign substances such as water other liquids or chemicals From entering the speakers while performing maintenance procedures on the speakers Version 1 0 Page 4 of 14 Service Guide SP i160 Chapter 1 How to Handle Defective Returns 1 1 Overview Receiving Defective speakers from Customers Verifying problems Proceeding necessary tests Function NG Analyzing p
6. ossible malfunction causes Function NG Deciding amp proceeding the rectification methods Function OK Replace necessary defective parts Proceeding tests to Verify if the speaker is functioning normally Function OK eturn the speakers with proper repackaging to customers Version 1 0 Page 5 of 14 Service Guide SP i160 1 2 Problems Item Problem Description 1 2 1 No sound Line in jack no function 1 22 Power LED indicator no light 1 2 3 Li ION battery can t charge Version 1 0 Page 6 of 14 Service Guide SPi160 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 2 1 One or more channels no sound Line in jack no function Problem No sound Analyzer and Speaker cable dis connect 1 or Identify the Causes Broken or short circuit Defective U1 JACK2 defective or t speaker damaged Check solder points on Check and Replace Re connect speaker Solutions PCB defective IC cable or replace defective speaker s Version 1 0 Page 7 of 14 Service Guide SP i160 1 2 2 Power LED indicator no light Power LED indicator no light Problem Analyzer and Power switch or LED Defective defective i Identify the Causes Re solder or replace defective component s Solutions 1 2 3 The Li ION Battery can t charg
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