Table of Contents
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Table of Contents
Related Manuals for Genius SW-G2.1 3000
Summary of Contents for Genius SW-G2.1 3000
- Page 1 Service Guide Model No : SW-G2.1 3000 SERVICE GUIDE KYESYSTEMS CORP. Page 1/17...
- Page 2 Service Guide Model No : SW-G2.1 3000 Revision History Version Date Change First Release 1 6 / 1 1 / 201 1 Page 2/17...
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Page 3: Table Of Contents
Service Guide Model No : SW-G2.1 3000 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 Power LED no light... -
Page 4: Getting Started
Service Guide Model No : SW-G2.1 3000 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 . -
Page 5: Chapter 1. How To Handle Defective Returns
Service Guide Model No : SW-G2.1 3000 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... -
Page 6: Speaker No Sound
Service Guide Model No : SW-G2.1 3000 Problems Item Problem Description Speaker no sound Power LED no light Headphone no sound Bass/Volume no function Page 6/17... - Page 7 Service Guide Model No : SW-G2.1 3000 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. One or more channels no sound (Line in/Audio in jack no function)
- Page 8 Service Guide Model No : SW-G2.1 3000 Power LED no light Problem Power LED no light Analyzer and Defective D1,T1A,U1,U2, Component cold Power Switch(VR1) or Identify the Causes solder or Short Q1,TL431 or LED defective F4*8 Circuit Check solder Check and...
- Page 9 Service Guide Model No : SW-G2.1 3000 Bass/Volume no function Bass/Volume no function Problem Analyzer and Component cold VR1 or VR2 defective solder or Short Identify the Causes Circuit Check solder Replace defective VR1 or point on PCBA Solution Page 9/17...
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Page 10: Chapter 2. Specifications
Service Guide Model No : SW-G2.1 3000 Chapter 2. Specifications NO. Description Unit Specifications Out Power at THD 10%(Sub) ≧ Out Power at THD 10%(Sat) ≧ Sensitivity(Sub) 130± 30 Sensitivity(Sat) 600± 60 Freq. Response (1KHz -3dB) 23~126 Freq. Response (1KHz -3dB) -
Page 11: Chapter 3 Block Diagram
Service Guide Model No : SW-G2.1 3000 Chapter 3 Block Diagram Audio in Power Sw, Tone & Headphone output LCH & RCH Volume control LCH & RCH PRE-Amplifier Line in LCH & RCH Audio Amplifier IC TPA3123D2 Mic in Mic out LCH &... -
Page 12: Chapter 4. Exploded View
Service Guide Model No : SW-G2.1 3000 Chapter 4. Exploded View Page 12/17... - Page 13 Service Guide Model No : SW-G2.1 3000 Page 13/17...
- Page 14 Service Guide Model No : SW-G2.1 3000 Page 14/17...
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Page 15: Chapter 5. Part List
Service Guide Model No : SW-G2.1 3000 Chapter 5. Part List DESCRIPTION UNIT Part No. U1,U2 TPA3123D2 IC JRC4558 SMD SOP8 IC U3,U4, Photocoupler EL817A F09-1028009-00 Transformer Bridge Rectifier STEREO CABLE VMC700002-00 RCA CABLE VRC220001-002 RCA CABLE VRC155007-002 POWER CORD 2P... -
Page 16: Chapter 6. Schematic Diagram
Service Guide Model No : SW-G2.1 3000 Chapter 6. Schematic Diagram Pls refer to The Attachment Page 16/17... - Page 17 MIC_IN MIC_LIN VR1A VR1B MIC_RIN PGND VOL/10K VOL/10K L OUT COM2 470u/35V R OUT PVCCL PGNDL 220P SGND 5.6R PGND PGNDL L_33UH_12.5TS L IN LOUT+ PVCCL LOUT R IN 300R 470u/25V MUTE MUTE 6ohm/15W SW IN AVCC LOUT- SW OUT AVCC VR2A VR2B...
- Page 18 VR1A VR1B VOL/10K VOL/10K L OUT COM2 R OUT SGND L IN R IN SW IN SW OUT VR2A LED1 blue VR1C BASS/10K R31 2K VR_6 MUTE COM3 MIC_LIN MIC_RIN PGND R26 1K...
- Page 19 F4*8 T3.15AL/250VAC AC IN KBP406 MOV1 TVR1 AC IN R41B TL431...
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Page 20: Chapter 7. Important Notes
Service Guide Model No : SW-G2.1 3000 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.
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