Left Channel No Sound - Genius SW-2.1 355 Service Manual

Service Guide
1.2.4 Left chann el no so und
Problem
Input
damaged
Analyze and
defective
identify the
causes
Repair or
replace
Solutions

Left channel no sound

Left Speaker cable
cable
damaged
or
defective
Left driver
dry-soldered
defective
Repair or
replace
Version 1.0
SW-2.1 355
PCB damaged,
or dry-soldered or
short-circuited
short-circuited
unit
or
Repair or
replace
Page 10 of 20
1. Defective JK1, JK2
2. Defective assembled
between CON1 and CON2
3. Defective or dry-soldered
R7 ， R2 ， C2 ， R20 ， C4 ，
C11 ， U1 ， VR1
Re-connect,
replace or repair
line