KYE Systems Corp. Genius SW-T2.1 1800 Service Manual Download Page 5 | Manualshive

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KYE Systems Corp. Genius SW-T2.1 1800 Service Manual Download Page 5

Service Guide

SW-T2.1 1800

Version 1.0 Page 5 of 28

Chapter 1. How to Handle Defective Returns

1.1 Overview

Receiving Defective speaker form customers

Analyzing possible

malfunction causes

Deciding & proceeding the

rectification methods

Replace necessary

defective parts

Return the speakers with proper

repackaging to customers

Verifying problems
proceeding
necessary tests

Proceeding tests to
verify if the speaker is
functioning normally

Function OK

Function NG

Function OK

Function NG

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Summary of Contents for Genius SW-T2.1 1800

Page 1: ...Service Guide SW T2 1 1800 Version 1 0 Page 1 of 28 SERVICE GUIDE KYE SYSTEMS CORP SW T2 1 1800 Version 1 0...

Page 2: ...Service Guide SW T2 1 1800 Version 1 0 Page 2 of 28 Revision History Version Date Change 1 0 05 07 2008 Initial 1 1 20 07 2008 Add PCB photos...

Page 3: ...rd 10 2 1 Amplifier Board 10 2 2 Aux In Board 10 2 3 MCU control Board 11 2 4 Touch control board 11 2 5 Power Supply 12 Chapter 3 Specifications 13 Chapter 4 Block Diagram 15 Chapter 5 Exploded View...

Page 4: ...le 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 or jolt the speakers Do not allow...

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

Page 6: ...Service Guide SW T2 1 1800 Version 1 0 Page 6 of 28 1 2 Problems Item Problem Description 1 2 1 L R channels no sound 1 2 2 Woofer channel no sound 1 2 3 NO power 1 2 4 Touch function fail...

Page 7: ...best recommended sequence to rectify the problems 1 2 1 L R channels no sound Problem Analyze and Identify the Causes Solutions L R channels no sound Broken or short circuit Check solder points on PCB...

Page 8: ...r points on PCB Defective IC1 IC2 Q1 D1 D2 Power cord dis connect or speaker damaged Re connected power cord or replace defective speakers Check and replace defective components Sub Woofer channel no...

Page 9: ...em Analyze and Identify the Causes Solutions Touch function fail Broken or short circuit Check solder points on PCB Defective U16 Q3 Q7 Q8 Q9 Q11 J6 Power cord dis connect or speaker damaged Re connec...

Page 10: ...Service Guide SW T2 1 1800 Version 1 0 Page 10 of 28 Chapter 2 Printed Circuit Board 2 1 Amplifier board 2 2 Aux in board...

Page 11: ...Service Guide SW T2 1 1800 Version 1 0 Page 11 of 28 2 3 MCU control board 2 4 Touch control board...

Page 12: ...Service Guide SW T2 1 1800 Version 1 0 Page 12 of 28 2 5 Power Supply...

Page 13: ...0Hz dB 8 6 4 4 55 4 5 Ref 1KHz High 20KHz dB 5 3 1 3 48 4 Total Harmonic Distortion O P 1W f 1KHz MAIN 0 5 1 0 0 13 0 16 f 10KHz MAIN 0 5 1 0 0 12 0 083 LPF 22KHz f 50Hz SUB 1 1 5 0 49 5 Sensitivity V...

Page 14: ...SUB mVrms 1 5 2 0 0 6 0 7 10 MUTING ATTENUATION LPF 22KHz dB 70 75 110 dB 6 5 7 5 8 5 7 33 11 BASS LEVEL BASS LEVE Ref 8 Step 0dB f 100Hz SUB dB 4 3 2 2 7 12 Earphone Output 32 I P 500mV 1K mW 12 18 1...

Page 15: ...Service Guide SW T2 1 1800 Version 1 0 Page 15 of 28 Chapter 4 Block Diagram...

Page 16: ...Service Guide SW T2 1 1800 Version 1 0 Page 16 of 28 Chapter 5 Exploded View Right Side Speaker...

Page 17: ...Service Guide SW T2 1 1800 Version 1 0 Page 17 of 28 Left Side Speaker...

Page 18: ...Service Guide SW T2 1 1800 Version 1 0 Page 18 of 28 Subwoofer Speaker...

Page 19: ...Board Assembly 2PCB 0000357 10 Weight IRON SPCC 1102 0000254 11 Light guide plate PC 94 V0 1101 0002186 12 MCU control board Assembly 2PCB 0000356 13 Touch control board Assembly 2PCB 0000359 14 LCD D...

Page 20: ...4 Ohms 2 inch 10 Watt 2SPK 0000228 15 Screw Tapping 3x8mm 3pcs Normal head 1103 0000146 16 Screw Tapping 2 5x6mm 4pcs Normal head 1103 0000109 Subwoofer Speaker Ref No Description Mfr s Part No 1 Gri...

Page 21: ...rew Tapping 3x10mm 8pcs Normal head 0141T15310 28 Screw Tapping 3x10mm 2pcs Flat head 1103 0000097 29 Screw Machine M3x8mm 6pcs 1103 0000046 Electrical parts list Ref No Description Mfr Parts No Diode...

Page 22: ...4 0000003 U11 IC MCU STC89C54RD LQFP 44Pins SMD 1004 0000254 U10 IC Power Regulator L7809 TO 220FP 3Pins 1004 0000258 U12 IC Others PMK35EP SOP8 8Pins SMD 1004 0000250 U13 IC Others MZ 01E SO16 16pins...

Page 23: ...Service Guide SW T2 1 1800 Version 1 0 Page 23 of 28 Chapter 7 Schematic Diagram 7 1 Amplifier Board...

Page 24: ...Service Guide SW T2 1 1800 Version 1 0 Page 24 of 28 7 2 Aux In Board...

Page 25: ...Service Guide SW T2 1 1800 Version 1 0 Page 25 of 28 7 3 MCU control...

Page 26: ...Service Guide SW T2 1 1800 Version 1 0 Page 26 of 28 7 4 Touch control...

Page 27: ...IC3 IC2 R24 R25 R26 C12 C8 N4 GND GND C3 Q1 R22C D4 R29 L5 R1 R2 R4C R16 R17 R6 R5 R27 R28 NTC C5 C4 R11 GND CY1 R15 R23 LED C9 C10 C11 Z2 R18 GND 1 FB 2 Vin 3 RI 4 RT 5 Isense 6 Vcc 7 Gate 8 IC1 R12...

Page 28: ...nce 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 p...

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