KYE Systems Corp. Genius SW-T2.1 1800, Service Manual

Page: 8 / 28

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