ST700 GENERAL HANDBOOK
667/HB/27880/000 Page 98 Issue 8
48V Wait Supply Fuse
518/4/90301/013
10A cartridge fuse (20mm x 5mm) marked „F6‟
on Phase Drive PCB.
Input Protection and Audible
Supply Fuse
518/4/90285/004
0.5A cartridge fuse (20mm x 5mm) marked „F1
and Inputs‟ on CPU PCB.
Handset Fuse
518/4/90285/004
0.5A cartridge fuse (20mm x 5mm) marked „F2
and Handset‟ on CPU PCB.
TEST Phase Drive PCB Fuses
518/4/97020/115
4 off 3.15A fuses used for initial testing on a
rewired junction for self test. These fuses are for
the temporary replacement of the fuses in
positions F6 to F11 on the Phase Drive PCB.
Figure 23 - Fuse Ratings
