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Service Guide
SW-HF2.1 1205
Attention
Flow chat in that this is the best-recommended sequence to rectify the problems.
Please follow the numbered sequence marked within parenthesis given in individual
1.2.1 No power, LED (indicator) unlighted,No Sound
Problem
Analyze
and
identify
the
causes
Solutions
Defective transformer
Defective or damaged AC
cable or power switch
Or caused by the following:
1. Transformer secondary wire loosely
connected with AC1 jack in SW-HF2.1
1205 AMP PCBA.
2. Copper foil of SW-HF2.1 1205 AMP
PCBA broken
3.Swich on functional board is defective
Repair or replace
Re-solder or replace
No power
,
LED
(
indicator
)
unlighted No
Sound
7
Summary of Contents for Genius SW-HF2.1 1205
Page 1: ...Service Guide SW HF2 1 1205 SERVICE GUIDE KEY SYSTEM CORP Model No SW HF2 1 1205 1...
Page 2: ...Service Guide SW HF2 1 1205 Revision History Version Date Change 1 0 2010 4 16 2...
Page 16: ...Service Guide SW HF2 1 1205 Chapter 6 Exploded view Subwoofer 6 1...
Page 17: ...Service Guide SW HF2 1 1205 Chapter 6 Exploded view Satellite 7 1...