KYE Systems Corp. Genius SW-5.1 1505, Руководство по обслуживанию

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Service Guide
SW-5.1 1505
Version : 1.0
Page 7 of 17
Attention
1.2.1 One or more channels no sound
1.2.1 One or more channels no sound
Problem
Solutions
1.2.2 W
ired Control no function
Problem
Solutions
Please follow the numbered sequence marked within parenthesis given in individual
Flow chat, in that this is the best-recommended sequence to rectify the problems.
One or more channels no sound
Broken or short circuit
Defective
U1, U2, U3, U4,U5,
U6,U7, VR1 , VR2
wired control cable
PCBA connect cable
Speaker cable dis-connect
or speaker damaged
Check solder points on
PCB
Check and Replace
defective IC
Re-connect speaker
cable or replace
defective speaker(s)
Analyzer and
Identify the Causes
Wired control no function
Defective
U1, U2, U3, U4,U5,
U6,U7, VR1
Analyzer and
Identify the Causes
Broken or short circuit
on PCBA
Check solder points on
PCBA
3 pin cable dis-connect
or damaged
Re-connect cable or
replace defective cable
Check and Replace
defective IC, VR1