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...
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.
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...
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...
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...
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...
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...
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 –...
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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...
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...
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)
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...
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.
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