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Version 1.0 Page 9 of 19
SP-HF500A
R19 in SP-HF500A AMP PCB R1 defective
Defective LED1 in SP-HF500A AMP PCB
1.2.4 Woofer no sound
Problem
Analyze and
identify the
causes
Solution
-
PCB
damaged,
dry-soldered
or
short-circuited
VR1 in
SW-S2.1 200 AMP
PCB defective
Repair or replace
Repair or replace
Woofer
driver
unit
/Speaker cable of
SW-
S2.1 200 AMP
PCBSP3
dry-soldered or defective
Repair or replace
Woofer no sound
SW-S2.1 200