KYE Systems Corp. Genius SW-HF 2.1 1800K, Руководство по обслуживанию

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Service Guide
SW-HF 2.1 1800K
1.2.5 Woofer no sound
Problem
Analyze and
identify the
causes
Solutions
-
Version 1.0 Page 11 of 24
Woofer driver unit
/Speaker cable
dry-soldered or
defective;
Or output tjack3
defective
2. IC3 or related components
damaged in AMP PCB.
3. IC4 or related components
damaged in MIC PCB.
Repair or replace
Repair or replace
PCB damaged,
dry-soldered or
short-circuited
Or defective
connection between
AMP PCB JACK1
and MIC JACK1.
Repair or replace
Woofer no sound