Royal Sovereign RSL-2701 - Manual (Page 12)

2. Main fuse is disconnected.(except RSL-380)
1) Test if the main fuse is disconnected with Multi-tester.
2) If disconnected, replace it wit new
one.
3. Wire-AC IN is not connected with Main PCB.(except RSL-380)
1) Check if the Wire-AC IN are connected correctly.
4. Transformer is defective.
1) Unfasten two screws.
2) Separate 2 connectors.
3) Detach transformer.
4) Replace it with new one.
10
MAIN
FUSE
WIRE-AC IN
TRANS. OUT TRANS. IN