KYE Systems Corp. Genius SP-i202u, Service Manual, Page: 7 / 19

Service Guide
SP-i202u
Version 1.0 Page 7 of 19
* Attention
Please follow the numbered sequence marked within parenthesis given in individual
Flow chat, in that this is the best-recommended sequence to rectify the problems.
1.2.1 L/R channels no sound (LED bright)
Problem
Analyze and
Identify the Causes
Solutions
L/R channels no sound(LED bright)
Broken or short circuit
Check solder points on
PCB
Defective
U1,L11,C52,U10,L16,
U4,R71,R22,
Speaker cable dis-connect or
speaker damaged
Re-connected speaker cable
or replace defective speakers
Check and replace
defective IC or
components