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Model No.: HTS-518DVD 
Version: 1.0 

 

   

 
 
 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Check whether ICU11-U153-5 

works suitably under 16V? 

RELAY is 

activated? 

Check whether 

R64 works 

under 12V? 

Replace 
RELAY 

ICU18’s working 

voltage is normal? 

IC foot is not 

soldered tightly 

Re-solder IC 

OK 

Whether RELAY 

2-3 is activated? 

NO OUTPUT 

Replace ICU11 or 

U15 

OK 

OK 

YES 

YES 

YES 

YES 

NO 

NO 

NO 

NO 

Summary of Contents for HTS-518DVD

Page 1: ...Home Theatre System Service Manual ...

Page 2: ... 2 Model No HTS 518DVD Version 1 0 MODEL HTS 518DVD ...

Page 3: ... 3 Model No HTS 518DVD Version 1 0 CONTENTS TROUBLE SHOOTING 4 CIRCUIT DIAGRAM 8 EXPLODED VIEW 9 PART LIST 10 ...

Page 4: ...rnt out Whether transformer has voltage output Whether the voltage output of ICU8 is 5 V ICU8 is not correctly installed Re insert the plug Replace fuse Replace transformer Voltage is normal after removing IC Uninstall IC and then re insert it correctly OK OK OK OK OK Replace ICU8 YES YES YES YES YES YES ...

Page 5: ...ks suitably under 16V RELAY is activated Check whether R64 works under 12V Replace RELAY ICU18 s working voltage is normal IC foot is not soldered tightly Re solder IC OK Whether RELAY 2 3 is activated NO OUTPUT Replace ICU11 or U15 OK OK YES YES YES YES NO NO NO NO ...

Page 6: ... solder it OK Check sensor test whether remote control works normally after raising voltage by 5V Whether the voltage is normal after removing the sensor Replace sensor Check whether the voltage supply of display panel is cut off Replace the row wires of display panel OK OK YES YES YES NO NO ...

Page 7: ...l No HTS 518DVD Version 1 0 NO DISPLAY Test whether U8 s output is 5V Row wires of display panel are not inserted tightly ICU10 is not inserted suitably Replace ICU8 Reinsert the IC tightly OK OK YES YES NO NO ...

Page 8: ... 8 Model No HTS 518DVD Version 1 0 CIRCUIT DIAGRAM ...

Page 9: ... 9 Model No HTS 518DVD Version 1 0 EXPLODED VIEW ...

Page 10: ...No Part name 1 Volume knob 2 Front panel 3 Button 4 Volume switch 5 Control PCB 6 Power knob 7 Power switch 8 Heat sink 9 AMP PCB 10 Bottom case 11 Input PCB 12 Rear panel 13 FM AM 14 Output PCB 15 Top cover 16 Fuse holder 17 AC cord 18 Transformer ...

Page 11: ......

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