Model DP579 Dolby Tri-Level Sync Interface
ix
WARNING: The power to the unit must be off when the following
steps are performed. Ensure that the main power
cable to the unit is not connected to a power source.
1. Open the fuse compartment door in the AC power input housing with a
small flat-blade screwdriver. Carefully pull out the fu se holder.
Fuse
Fuse Holder
Checking or Replacing the Main Fuse
2. Check that the fuse has the correct rating. The fuse carrier must be inserted
into the compartment with the orientation shown in the figure above.
Do
not force the carrier into the compartment or both could be damaged.
3. Snap the fuse compartment door closed.
MAIN
