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Routine
Maintenance
Routine maintenance consists of replacing a defective line fuse,
cleaning the air filter, cleaning the cabinet, and cleaning the display.
These items are discussed in the following paragraphs.
Table 4-1. Fuse Part Numbers
WARNING
How to Replace the
Line Fuse
For continued protection against fire hazard replace line fuse only with
same type and rating. The use of other fuses or material is prohibited.
The value for the line fuse is printed on the rear panel of the
synthesizer next to the fuse holder. See Figure
4-l
1. Turn off the synthesizer.
2. Remove the ac line cord.
Note
The detachable power cord is the instrument disconnecting device.
It disconnects the mains circuits from the mains supply before other
parts of the instrument. The front panel switch is only a standby
switch and is not a LINE switch.
3.
4.
5.
6.
Using a small flat-blade screwdriver, rotate the fuse cap
counter-clockwise, and remove the fuse holder.
Replace the original fuse.
Replace the fuse holder in the rear panel. Using the screwdriver,
rotate the fuse cap clockwise to secure the fuse holder in place.
Reconnect the synthesizer to line power.
A
CFIUTION:
!
FOR FIRE PROTECTION REPLACE
HOLOER
FUSE
Figure 4-1. Replacing the Line Fuse
4-4 Operator’s Check/Routine Maintenance
Specifications