Ericsson 344A3072P8, Maintenance Manual, Page: 13 / 26

4. Disconnect the LED cable (CN103).
5. Remove the two screws (item 12-8) securing the
board and remove the Control Board from the
sleeve holder (item 6).
Reinstall:
6. Install Control Board onto the sleeve holder.
7. Install two screws to secure the board (removed
in step 5).
8. Reconnect the LED cable (CN103).
9. Reconnect the sleeve interconnect cable
(CN102).
10. Reinstall the input power cable (CN101).
11. Reassemble charger and install battery sleeve.
LED Board
To remove an LED board (item 8), perform the following
steps:
1. Disassemble the charger (see Case disassembly
procedure).
2. Disconnect the cable from the charger board
(CN201).
3. Remove the retaining screw (item 12-3) securing
the board and remove the LED Board from the
cover assembly (item 10).
Reinstall:
4. Install the LED Board onto the cover assembly.
5. Install the screw to secure the board (removed in
step 3).
6. Reconnect the charger board cable (CN201).
Power Supply
To remove the Power Supply (item 1), perform the fol-
lowing steps:
1. Disassemble the charger (see Case disassembly
procedure).
2. Remove the four screws (item 12-1) securing the
power supply assembly to the bottom assembly
(item 11). Slide power supply assembly forward
to gain access to connectors.
3. Disconnect the AC input power cable (CN1).
4. Disconnect the voltage selector cable (CN2).
5. Lift up the power supply assembly to remove it
from the bottom assembly.
Reinstall:
7. Set the power supply assembly into the bottom
assembly.
8. Reconnect the voltage selector cable (CN2).
9. Reconnect the AC input power cable (CN1).
10. Install the four mounting screws (removed in
step 2) to secure the assembly.
12. Reassemble charger and install battery sleeve.
AC Power Assembly
To replace the AC power assembly (item 4), perform the
following steps:
1. Disassemble the charger (see Case disassembly
procedure).
2. Remove the Power Supply (see Power Supply
removal procedure).
3. Remove the two mounting screws (item 12-3).
4. Remove assembly by lifting up, pulling assem-
bly out of the two tabs.
Reinstall:
5. Reinstall the AC power assembly into the bottom
assembly.
6. Install the two mounting screws (removed in step
3) to secure the assembly.
7. Reinstall the power supply and reassemble the
charger.
LBI-38708
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