Service Guide
SW-2.1 355
1.2.4
Left channel no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 10 of 20
Input cable
damaged or
defective
Left Speaker cable
damaged or
defective
Left driver unit
dry-soldered or
defective
1. Defective JK1, JK2
2. Defective assembled line
between CON1 and CON2
3. Defective or dry-soldered
R7
,
R2
,
C2
,
R20
,
C4
,
C11
,
U1
,
VR1
Repair or
replace
Repair or
replace
Re-connect,
replace or repair
PCB damaged,
dry-soldered or
short-circuited
short-circuited
Repair or
replace
Left channel no sound
Summary of Contents for Genius SW-2.1 355
Page 1: ...Service Guide SW 2 1 355 SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 20...
Page 15: ...Service Guide SW 2 1 355 Version 1 0 Page 15 of 20 Chapter 3 Block diagram...
Page 16: ...Service Guide SW 2 1 355 Subwoofer Version 1 0 Page 16 of 20 Chapter 4 Exploded view...
Page 17: ...Service Guide SW 2 1 355 Satellite Version 1 0 Page 17 of 20 Chapter 4 Exploded view...
Page 20: ...Service Guide SW 2 1 355 Version 1 0 Page 20 of 20 Chapter 7 Schematic diagram...