Service Guide
SW-J2.1 500
1.2.2 No
sound
Problem
Analyze and
identify the
causes
]
Solutions
Version 1.0 Page 8 of 23
No sound
PCB
short-circuited, dry
soldered or
broken;
JK1 in J2.1 500 AMP and JK3
in J2.1 500 CON is not
properly connected
Repair or replace
Repair or replace
Or caused by the following defective
components
1. IC1, IC2 in J2.1 500 AMP PCB
2. VR1
，
JK2
，
JK4 in J2.1 500 CON
PCB
Repair, resolder or
replace
Summary of Contents for Genius SW-J2.1 500
Page 1: ...Service Guide SW J2 1 500 SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 23...
Page 16: ...Service Guide SW J2 1 500 Version 1 0 Page 16 of 23 Chapter 3 Block diagram...
Page 17: ...Service Guide SW J2 1 500 Subwoofer Version 1 0 Page 17 of 23 Chapter 4 Exploded view...
Page 18: ...Service Guide SW J2 1 500 Right Satellite Version 1 0 Page 18 of 23 Chapter 4 Exploded view...
Page 19: ...Service Guide SW J2 1 500 Left Satellite Version 1 0 Page 19 of 23 Chapter 4 Exploded view...
