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KYE Systems Corp. Genius SP-T1200, Service Manual

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KYE Systems Corp. Genius SP-T1200 Service Manual Download Page 8

Service Guide

                                                                                   

SP-T1200

 

Version 1.0      Page 8 of 22 

1.2.3   Touch function fail 

 

Problem  

 

 

 

Analyze and   
Identify the Causes   

 

 

 

 

 

Solutions 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Touch function fail 

Broken or short circuit 

Check solder points on 

PCB 

Defective 
U16/J7 

External power supply 

dis-connected or damaged 

Re-connected power supply or 

replace defective power supply 

Check and replace 

defective components 

Summary of Contents for Genius SP-T1200

Page 1: ...Service Guide SP T1200 Version 1 0 Page 1 of 22 SERVICE GUIDE KYE SYSTEMS CORP SP T1200 Version 1 0 Revision History...

Page 2: ...Service Guide SP T1200 Version 1 0 Page 2 of 22 Version Date Change 1 0 04 22 2008 Initial 1 1 06 20 2008 Add PCB photos...

Page 3: ...nction fail 8 Chapter 2 Printed Circuit Board 9 2 1 MCU Control Board 9 2 2 Amplifier Board 10 2 3 Touch Control Board 10 2 4 Power Board 11 Chapter 3 Specifications 11 Chapter 4 Block Diagram 12 Chap...

Page 4: ...peakers 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 o...

Page 5: ...omers Analyzing possible malfunction causes Deciding proceeding the rectification methods Replace necessary defective parts Return the speakers with proper repackaging to customers Verifying problems...

Page 6: ...Service Guide SP T1200 Version 1 0 Page 6 of 22 1 2 Problems Item Problem Description 1 2 1 L R channels no sound 1 2 2 NO power 1 2 3 Touch function fail...

Page 7: ...and Identify the Causes Solutions L R channels no sound Broken or short circuit Check solder points on PCB Defective U1 U3 U4 U5 U7 U8 U11 U14 U18 Q1 Q2 Speaker cable dis connect or speaker damaged Re...

Page 8: ...em Analyze and Identify the Causes Solutions Touch function fail Broken or short circuit Check solder points on PCB Defective U16 J7 External power supply dis connected or damaged Re connected power s...

Page 9: ...Service Guide SP T1200 Version 1 0 Page 9 of 22 Chapter 2 PRINTED CIRCUIT BOARD 2 1 MCU Control Board 2 2 Amplifier Board...

Page 10: ...Service Guide SP T1200 Version 1 0 Page 10 of 22 2 3 Touch Control Board 2 4 Power Board...

Page 11: ...O P 1W L R R L dB 40 50 7 Channel Unbalance f 1KHz dB 1 0 1 dB 70 75 S N RATIO Ref I P 500mV 1KHz O P 1W LPF 22KHz A weight dB 75 80 S N RATIO Ref I P 500mV 1KHz Vol Max LPF 20KHz dB 75 80 8 A weight...

Page 12: ...Service Guide SP T1200 Version 1 0 Page 12 of 22 Chapter 4 Block Diagram...

Page 13: ...Service Guide SP T1200 Version 1 0 Page 13 of 22 Chapter 5 Exploded View Right Side Speaker Left Side Speaker...

Page 14: ...10 Tweeter Speaker 8 Ohm 15W 1 inch 2SPK 0000229 11 Woofer Speaker 8 Ohm 15W 2 5 inch 1321 0000035 12 Gasket 1109 0000843 13 Gasket 1109 0000842 14 Power Board 2PCB 0000342 15 Gasket 1109 0000841 16...

Page 15: ...5EP SO8 8PIN SMD 1004 0000250 U7 IC Others NJM2761 TVSP10 10Pin SMD 1004 0000021 U8 IC AMP LM4881 SOP8 8PIN SMD 1004 0000074 U14 IC MCU STC89C52 LQFP 44 1004 0000255 Ref No Description Mfr s Part No 1...

Page 16: ...MD 1004 0000253 Diodes LED1 LED2 LED3 LED4 LED5 LED7 LED8 LED9 LED10 LED11 LED12 LED13 LED14 LED15 Diode LED Chip 1S0603A21A0CA01 HQ 1003 0000101 LED6 Diode LED Chip 1SB0603B12E0CA01 HQ 1003 0000100 D...

Page 17: ...Service Guide SP T1200 Version 1 0 Page 17 of 22 Chapter 7 Schematic Diagram 7 1 MCU control board 1 2...

Page 18: ...Service Guide SP T1200 Version 1 0 Page 18 of 22 7 1 MCU control board 2 2...

Page 19: ...Service Guide SP T1200 Version 1 0 Page 19 of 22 7 2 Amplifier board...

Page 20: ...Service Guide SP T1200 Version 1 0 Page 20 of 22 7 3 Touch control board...

Page 21: ...Service Guide SP T1200 Version 1 0 Page 21 of 22 7 4 Power board...

Page 22: ...e it is necessary to pack each PCB assembly with a separate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending PCB assembly by pos...

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