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Service Guide

                                                                     

SW-5.1 1800 

1.2.4 

 

Rear channel no sound

 

 

Problem 

 

 

 

 

 

 

 

Analyze and 

identify the 

causes 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solutions 

 

 

 

 

 

 

 

 

 

 

 

         

 

                   

                   

             

Version 1.0         Page 10 of 28

 

 

PCB damaged,

dry-soldered or

short-circuited

 

Rear driver units,

rear speaker

cables, or output

jacks damaged or

defective 

Repair or

replace

 

Re-connect, 

replace or repair

 

Repair or

replace

 

JACK4

R52

R55

R64

R66

EC35

EC40

IC9

R57

R60

EC20

EC21

IC5,

EC5

EC8

JACK1

or JACK2 on SW-5.1

1500 AMP PCB defective or damaged 

 

Rear channel no sound

Содержание Genius SW-5.1 1800

Страница 1: ...Service Guide SW 5 1 1800 SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 28...

Страница 2: ...Service Guide SW 5 1 1800 Revision History Version Date Change 1 0 2008 06 23 Version 1 0 Page 2 of 28...

Страница 3: ...1 2 7 Noise 13 1 2 8 LED indicators no light 14 1 2 9 Wired control not work volume switch no use 15 1 2 10 Headphone jack no use 16 Chapter 2 Specification 17 Satellite 17 Woofer 17 Chapter 3 Block d...

Страница 4: ...ace 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 anythi...

Страница 5: ...ersion 1 0 Page 5 of 28 Receiving Defective speaker from customers Verifying problems Proceeding Necessary tests Return the speakers with proper repacking to customers Analyzing possible Malfunction c...

Страница 6: ...indicator no light 1 2 2 No sound 1 2 3 Front channel no sound 1 2 4 Rear channel no sound 1 2 5 Woofer no sound 1 2 6 Center no sound 1 2 7 Noise 1 2 8 LED indicators no light 1 2 9 Wired control no...

Страница 7: ...1 No power LED indicator unlighted Problem Analyze and identify the causes Solutions Version 1 0 Page 7 of 28 No power LED indicator unlighted Repair or replace 1 CNA1 Jack falls off its position 2 IC...

Страница 8: ...ound PCB damaged dry soldered or short circuited Check if the pin and jack of wired control are properly connected or not R6 R42 R43 J32 EC19 Q1 or EC12 on SW 5 1 1800 AMP PCB defective VR1 JACK8 or J...

Страница 9: ...28 Re connect replace or repair Defective JACK6 R73 R77 R79 R80 EC42 EC47 IC9 R51 R32 EC25 EC28 IC7 EC4 EC7 JACK1 or JACK2 on SW 5 1 1500 AMP PCB PCB damaged dry soldered or short circuited Replace or...

Страница 10: ...PCB damaged dry soldered or short circuited Rear driver units rear speaker cables or output jacks damaged or defective Repair or replace Re connect replace or repair Repair or replace JACK4 R52 R55 R6...

Страница 11: ...r unit dry soldered or defective woofer speaker cable or output jack defective 1 JACK5 R66 R67 EC41 IC9 R78 EC46 IC10 EC37 R19 R16 or IC3 on SW 5 1 1800 AMP PCB defective 2 VR2 R3 R4 R5 J41 or JACK7 o...

Страница 12: ...inner connecting wire defective or improperly connected center driver unit or center speaker cable dry soldered or defective JACK5 R71 R72 EC44 IC9 R62 EC17 IC4 EC2 JACK1 JACK2 on SW 5 1 1800 APM PCB...

Страница 13: ...or commutation diode dry soldered or damaged Abnormal power supply or point voltage of some IC IC1 IC2 IC6 Vibration from too long lead wire of driver units Driver units damaged Capacitor EC19 not wo...

Страница 14: ...tors no light Problem Analyze and identify the causes Solutions Version 1 0 Page 14 of 28 Check and replace LED1 R1 SW 5 1 1800 CON PCB defective or damaged PIN3 of JACK7dry solded or wired control ca...

Страница 15: ...Problem Analyze and identify the causes Solutions Version 1 0 Page 15 of 28 Check and replace Check and replace Wired control cable broken inside Or wired control PCB dry soldered or broken Or JACK7 J...

Страница 16: ...Version 1 0 Page 16 of 28 Headphone jack no use Headphone jack defective or damaged Check if the connection cables at jack7 in the wired control unit and CAN1 in the woofer well connected or not Abno...

Страница 17: ...0 4 0 4 0 4 0 5 CHANNEL SEPARATION ONE CHANNEL INPUT OTHER CHANNEL SHORTING 8 dB 57 55 58 60 56 50 9 HUM NOISE VOL MAX VOLUME MAX INPUT SHORTING mV 0 8 0 82 0 36 0 88 0 84 1 HUM NOISE VOL MAX VOLUME M...

Страница 18: ...Service Guide SW 5 1 1800 Version 1 0 Page 18 of 28 Chapter 3 Block diagram...

Страница 19: ...Service Guide SW 5 1 1800 Subwoofer Version 1 0 Page 19 of 28 Chapter 4 Exploded view...

Страница 20: ...Service Guide SW 5 1 1800 Front satellite Version 1 0 Page 20 of 28 Chapter 4 Exploded view...

Страница 21: ...Service Guide SW 5 1 1800 Center satellite Chapter 4 Exploded view Version 1 0 Page 21 of 28...

Страница 22: ...Service Guide SW 5 1 1800 Rear satellite Version 1 0 Page 22 of 28 Chapter 4 Exploded view...

Страница 23: ...Service Guide SW 5 1 1800 Wired control Chapter 4 Exploded view Version 1 0 Page 23 of 28...

Страница 24: ...EP41610095 15 Bush end for AC cable EP41610113 16 Red black terminal WP10 11 EP1A090019 17 BT4558 IC EP1C020006 18 L7809CV IC EP1C010034 19 Transformer 50HZ 14V 2 2A EP13500031 20 woofer foot A 953 1...

Страница 25: ...58 3 Satellite front panel EP40410142 4 Rear driver unit A 78 25 3 4ohm 5W EP16030062 5 Screw 3 6BA EP24010090 6 Close up plastic piece for hanger EP41610464 7 Back cabinet of satellite EP40610367 8 S...

Страница 26: ...parate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending the PCB assembly by post in that it would avoid unnecessarily lost or da...

Страница 27: ...Service Guide SW 5 1 1800 Amplified PCB Version 1 0 Page 27 of 28 Chapter 7 Schematic diagram...

Страница 28: ...Service Guide SW 5 1 1800 Wired control PCB Version 1 0 Page 28 of 28 Chapter 7 Schematic diagram...

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