Mitel sx-100 User Manual page 225

PN191 O-350-507-NA
SECTION MITL9105/911
O-096-350-NA
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START
(la) Unlock and open front door
(IB) Unlock and open rear door
(1C) Unlock and open rear panel
assembly
(10) Set system power switch to OFF
(IE) Set all power switches on rear
door to OFF
(1F) Set battery switch to OFF
(1G) Remove power cable(s) from
commercial AC source
I
POWER SYSTEM
DOWN
AT CABINET REAR DOOR
(FIGURE 507-l)
(2A) Remove rear panel with a
11-32 in. nutdriver
(26) Repeat Steps (2) and (3) of
MAP350-506
(2C) rDD7T;nect Ground Lug (Figure
(20) Disconnect Reserve Battery
Connections (Figure 507-2) if
connected
(3A) Release the four retaining
screws from the rear door
retaining bar
(38) Slide retaining bar up, releasing
the rear door
(3C) Support power supply unit final
removal
ii' I:.:
I
REPLACE POWER SUPPLY
ASSEMBLY (SX-200)
MAP350- 507
Issue 3, May 1984
Sheet 1 of 5
4
AND
REMOVE HEAT
SINK ASSEMBLY
A
1 DOOR
I
RETAINING BAR
(TG--)
Page E-41