KYE Systems Corp. Genius SW-U2.1 200, Руководство по обслуживанию

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Service Guide SW-U2.1 200
Version No. 1.0 Page
9 of 18
1.2.3 No Sound from Left/ Right Channel
No Sound from Left/ Right
Channel
1. Short circuit/open circuit and
damage of PCB
2. VR1 potentiometer defective
and damaged
3. Signal lines of two sides of
left and right channels
defective or damaged
1. Connecting lines of two sides
of left and right channels
defective or damaged
1. Unit circuit elements U1, U2,
VR1 and JK3/ CON3/JK1 of
left/ right channel damaged,
open circuit, short circuit, fell
Inspect/ repair/ replace Inspect/ repair
3. Horns on two side of left and
right channels defective or
damaged
4. Poor connection of
connecting lines of left and
right channels
5. 2RCA socket INT/ oxidized
and falsely welded
Replace/ repair