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400W Subwoofer Mini Hi-Fi System FWM653/55/77/BK
FWM654X/ 77





CONTENTS

Technical specification ..................................................................1-2 AMP Board
Version variation ...........................................................................1-2 Circuit diagram. ........................................................................9-1
Layout diagram ..................................................................9-2..9-3
Service measurement setup..........................................................1-3
Service aids .................................................................................1-4 CD board
Instructions on CD playability ................................................2-1..2-2 Circuit diagram .......................................................................10-1
Layout diagram ..............................................................10-2..10-3
Block diagram ................................................................................3-1
Wiring diagram ..............................................................................4-1 MCU Board
Disassembly diagram............ ................................................5-1..5-2 Circuit diagram. ...................................................................... 11-1
Layout diagram .............................................................. 11-2..11-3
Tuner board
Circuit diagram .........................................................................6-1 Exploded view diagram ...............................................................12-1
Layout diagram .........................................................................6-2

Main board
Circuit diagram .........................................................................7-1
Layout diagram ..................................................................7-2..7-3

Front board
Circuit diagram .........................................................................8-1
Layout diagram ..................................................................8-2..8-3