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Genius GHT-S200 Service Manual
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Service Guide
GHT-S200
SERVICE GUIDE
KYE SYSTEMS CORP
GHT-S200
Version:1.0
Version 1.0
Page 1 of 21

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Summary of Contents for Genius GHT-S200

  • Page 1 Service Guide GHT-S200 SERVICE GUIDE KYE SYSTEMS CORP GHT-S200 Version:1.0 Version 1.0 Page 1 of 21...
  • Page 2: Revision History

    Service Guide GHT-S200 Revision History Version Date Change 22/08/2005 Version 1.0 Page 2 of 21...
  • Page 3: Table Of Contents

    Service Guide GHT-S200 Table of Contents Revision History Table of Contents Getting Started Conventions Used in this Guide Safety Precautions Chapter 1. How to Handle Defective Returns 1.1 Overview 1.2 Problems 1.2.1 FL/FR, RL/RR channels no sound 1.2.2 CEN channel no sound 1.2.3 Woofer channel no sound...
  • Page 4: Getting Started

    Service Guide GHT-S200 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.
  • Page 5: Chapter 1. How To Handle Defective Returns

    Service Guide GHT-S200 Chapter 1. How to Handle Defective Returns 1.1 Overview Receiving Defective speaker form customers Verifying problems proceeding necessary tests Function NG Analyzing possible Function OK Function NG malfunction causes Deciding & proceeding the rectification methods Replace necessary...
  • Page 6: Problems

    Service Guide GHT-S200 1.2 Problems Item Problem Description 1.2.1 FL/FR, RL/RR channels no sound 1.2.2 CEN channel no sound 1.2.3 Woofer channel no sound 1.2.4 Woofer no power Version 1.0 Page 6 of 21...
  • Page 7: Fl/Fr, Rl/Rr Channels No Sound

    Service Guide GHT-S200 * 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 FL/FR, RL/RR channels no sound Problem FL/FR,RL/RR channels no sound...
  • Page 8: Cen Channel No Sound

    Service Guide GHT-S200 1.2.2 CEN channel no sound CEN channel no sound Problem Analyzer and Identify the Causes Defective Broken or short circuit Speaker cable dis-connect or U311,IC202,C209,CC speaker damaged 3,C332,Q300,ZD1 Solutions Check solder points on Check and replace Re-connected speaker cable...
  • Page 9: Woofer No Power

    Service Guide GHT-S200 1.2.4 Woofer no power Woofer no power Problem Analyzer and Identify the Causes Defective Broken or short circuit Speaker cable dis-connect or U100,U300,Y100,R30 speaker damaged 3,R304,R300,C112,C1 Solutions Check solder points on Check and replace Re-connected speaker cable...
  • Page 10: Chapter 2. Specifications

    Service Guide GHT-S200 Chapter 2. Specifications Satellite – Center (AT 1KHZ): NO Description Unit Specifications Out Power at THD 10% 20 ± 2 Sensitivity 300 ± 50 Freq Response (Ref:-3dB) 40~20K ≧ 60 S/N ratio ≦ 5 Hum & Noise Vol:max Satellite –...
  • Page 11 Service Guide GHT-S200 Host (Woofer) (AT 100Hz): NO Description Unit Specifications Out Power at THD 10% 100± 5 Sensitivity 180 ± 50 Freq Response (Ref:-3dB) 20~20K ≧ 70 S/N ration ≦ 10 Hum & Noise Vol: max Version 1.0 Page 11 of 21...
  • Page 12: Chapter 3. Block Diagram

    Service Guide GHT-S200 Chapter 3. Block Diagram FL/FR/SL/SR/C AMP SCH FL OUT INPUT SCH SPEAKER 5.1 CH INPUT VOLUME CONTROL SCH FR OUT SPEAKER SL OUT SPEAKER SR OUT SPEAKER AUX1 INPUT AUX2 INPUT O/P AMP SCH CENTER OUT SPEAKER...
  • Page 13: Chapter 4. Exploded View

    Service Guide GHT-S200 Chapter 4. Exploded View Host (Woofer) PCB-2 Wooden Case PCB-3 Heat Sin TOP Bedeck Strip PCB-1 Front-panel ransparent Bedeck piece Steel Panel(BAC PCB-4 Volune knob Transformer Cloth frame Host Bedeck Strip 2PCS LOGO Speaker Host key Bottom Bedeck Strip Pyramid 4PCS 年...
  • Page 14 Service Guide GHT-S200 Satellite (center) Tweeter Speaker Bedeck Strip 2PCS Rear hull LOGO TOP Bedeck Strip 2PCS Fabric speaker cover Speaker 4PCS TOP Corer Bottom Corer Satellite (front & rear) TOP Bedeck Stuip Front Panel 4PCS Speaker Tweeter Speaker LOGO...
  • Page 15: Chapter 5. Part List

    IC JRC4558 S200-14 IC PT2258 S200-15 IC EM78P447 S200-16 TRANSFORMER, 230V: 16.5VACx2&3A; S200-17 26VAC*2&2A AUDIO CABLE, 6RCA to 6RCA, GHT-S200 S200-18 AUDIO CABLE, 1ST to 2RCA, GHT-S200 S200-19 CARTON, GHT-S200 S200-20 CUSHION, GHT-S200 S200-21 Round Red type Label (NO CARTON) S200-22 S/N LABEL (NO CARTON&WOOFEWR)
  • Page 16: Chapter 6. Schematic Diagram

    Service Guide GHT-S200 Chapter 6. Schematic Diagram C10010uF/50V C10110uF/50V R110 R111 C10210uF/50V R101 C10310uF/50V MIXO VCDR-IN R102 AUXR-IN C108 C109 R100 AUXL-IN R103 VCDL-IN Port Port R104 FL IN LPFI Port R105 FR IN LPFO R106 CT IN SUB IN...
  • Page 17: Schematic Diagram

    Service Guide GHT-S200 Chapter 6. Schematic Diagram D102 DVD D103 AUX D104 VCD Q102 D105 5.1CH 9015 C138 C139 D106 FR ONT 47uF/16V R165 D107 REAR TRIG3 D108 CENTER D109 SUBWOOFER PPDP C122 R112 D100 20pF C136 Y100 1N4148 ST-BY...
  • Page 18: Schematic Diagram

    Service Guide GHT-S200 Chapter 6. Schematic Diagram R203 C202 100pF R200 R201 9.1K C204 10uF/50V FR OP OUT IC200A C200 MC4558 220pF R202 C201 R204 R206 100pF 9.1K C205 10uF/50V RL OP OUT C211 IC200B MC4558 220pF R208 C212 100pF...
  • Page 19: Schematic Diagram

    Service Guide GHT-S200 Chapter 6. Schematic Diagram U300 R304 +/-16.5V*3A +16v 7809 LM7805 R300 T300 D300 R303 RS608 10/1W C304 C306 C311 C310 C308 C300 4700uF/25V 22uF/16V 22uF/16V 100uF/16V FUSE300 4700uF/25V 104.C C303 TRANS7 C309 4700uF/25V C307 104.C C305 22uF/16V...
  • Page 20: Schematic Diagram

    Service Guide GHT-S200 Chapter 6. Schematic Diagram C330 C327 +16v 470UF/25V 470UF/25V U310 U303 SL OP OUT ST-BY OUT(L) SL SPOUT C329 ST-BY OUT(L) FR SPOUT C326 R314 C331 IN(L) R313 C328 FR OP OUT IN(L) CC1 MC104 R315 CC4 MC104...
  • Page 21: Chapter 7. Important Notes

    Service Guide GHT-S200 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.