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Service Guide
SW-HF 2.1 1800K
*Attention
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.
1.2.1 No power
,
LED
(
indicator
)
unlighted
Problem
Analyze
and
identify
the
causes
Solutions
Version 1.0 Page 7 of 24
Repair or replace
No power
,
LED
(
indicator
)
unlighted
Defective
transformer
Defective or
damaged AC cable,
or power switch
resolder or replace
Repair or replace
transformer secondary wire poorly or
loosely connected with PT1 jack.
Dry soldering of PT1
PCB Copper foil broken
Summary of Contents for Genius SW-HF 2.1 1800K
Page 1: ...Service Guide SW HF 2 1 1800K SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 24...
Page 18: ...Service Guide SW HF 2 1 1800K Version 1 0 Page 18 of 24 Chapter 3 Block diagram...
Page 19: ...Service Guide SW HF 2 1 1800K Subwoofer Version 1 0 Page 19 of 24 Chapter 4 Exploded view...
Page 20: ...Service Guide SW HF 2 1 1800K Satellite Version 1 0 Page 20 of 24 Chapter 4 Exploded view...
Page 23: ...Service Guide SW HF 2 1 1800K Chapter 7 Schematic diagram SW HF 2 1 1800K AMP PCB...