KYE Systems Corp. Genius SW-J2.1 500, Руководство по обслуживанию

Страница: 8 / 23

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