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Service Guide
SW-T2.1 1800
Version 1.0 Page 8 of 28
1.2.2 Sub-Woofer channel no sound
Problem
Analyze and
Identify the Causes
Solutions
1.2.3 No power
Problem
Analyze and
Identify the Causes
Solutions
No power
Broken or short circuit
Check solder 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 sound
Broken or short circuit
Check the solder
points on PCB
Defective
U2/U3/U5/U7/U10/U12
/U14/U15/U17/Q1/Q10
Power cord dis-connect or
speaker damaged
Re-connected power cord or
replace defective speakers
Check and replace
defective components
Summary of Contents for Genius SW-T2.1 1800
Page 12: ...Service Guide SW T2 1 1800 Version 1 0 Page 12 of 28 2 5 Power Supply...
Page 15: ...Service Guide SW T2 1 1800 Version 1 0 Page 15 of 28 Chapter 4 Block Diagram...
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 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...