Mitel sx-100 User Manual page 239

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PN191 O-350-509-NA SiCTlON MITL9105/911 O-096-350-NA
TOOL REQUIRED
1 flatblade screwdriver
REPLACE BACKPLANE
TRANSLATOR BOARD (SX-200)
MAP350- 509
Issue 3.
May 1984
Sheet 1 of 4
(IA) Unlock and open front door
(1B) Unlock and open rear door
(1C) Unlock and open rear panel
assembly
(1D) Set system power switch to OFF
(1E) Set all power switches on rear
door to OFF
AND
(1F) Set battery switch to OFF
(1G) Remove power cable(s) from
commercial AC source
POWER SYSTEM
DOWN
. .
-
AT CABINET REAR DOOR
(FIGURE 509-l)
(2A) Unscrew the two 4 X 40
screws from the amphenol-type
connector
(28) Unplug cables in pairs: P2 or
P8 and PI or P7, P3 or P9
and P4 or PlO
-
(3A)
(3'3)
Remove the four 4 X 40
slotted retaining screws
Remove the translator board
4 -
. -
421
t
l
. AND
DISCONNECT
CABLES
REMOVE
TRANSLATOR
I
BOARD
Page E-55