L/R Channels No Sound - Genius SP-HF1100X Service Manual

Service Guide
* 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

Problem
Analyze and
Identify the Causes
Broken or short circuit
Check solder points on
Solutions
PCB
L/R channels no sound
Defective
U1,U2,VR1,VR2,VR3,
C1,C3,C21,C22,L1,L2,
PHONE1,CON3
Check and replace
defective IC or
components
Version 1.0 Page 7 of 14
SP-HF1100X
Speaker cable dis-connect or
speaker damaged
Re-connected speaker cable
or replace defective speakers