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MP3 Mini Hi-Fi System FWM997X /78
FWM997/55
CONTENTS
Technical specification ..................................................................1-2 MCU board
Circuit diagram .........................................................................8-1
Service measurement setup..........................................................1-3 Layout diagram ..................................................................8-2..8-3
Service aids .................................................................................1-4
CD Board
Instructions on CD playability ................................................2-1..2-2 Circuit diagram. ........................................................................9-1
Disassembly diagram............ ................................................3-1..3-2 Layout diagram ..................................................................9-2..9-3
Block diagram ................................................................................4-1 Sub Power Board (it is not repaired,diagram for referrence only)
Wiring diagram ..............................................................................4-2 Circuit diagram. ......................................................................10-1
Layout diagram .......................................................................10-1
Main board
Circuit diagram ..................................................................5-1..5-2 Sub AMP Board (it is not repaired,diagram for referrence only)
Layout diagram ..................................................................5-3..5-4 Layout diagram ....................................................................... 11-1
AMP board Sub SW Board (it is not repaired,diagram for referrence only)
Circuit diagram .........................................................................6-1 Layout diagram .......................................................................12-1
Layout diagram ..................................................................6-2..6-3
Exploded view diagram ...............................................................13-1
Front board Mechanical parts list ...........................................................13-2..13-3
Circuit diagram .........................................................................7-1
Layout diagram ..................................................................7-2..7-3 Electrical parts list...............................................................14-1..14-2