
3-10
CCU-590/P/V1(E)
PSW3
x
6
CN801
CN701
CN100
PSW3
x
6
TR-133B board
RF cable
(Green)
RF cable
(Black)
RF cable
(White)
Board spacer
Board spacer
DM-140 board
Extension board
TR-133B board
DM-140 board
DM-140 board
Levers
TR-133B board
3-4. Extending DM-140 and TR-133B
Boards
3-4-1. Extending DM-140 Board
1.
Open the front panel.
2.
Raise the levers and remove the DM-140 and TR-
133B boards.
3.
Insert an extension board, and attach the DM-140 and
TR-133B boards to the extension board.
3-4-2. Extending TR-133B Board
1.
Open the front panel. (Refer to Section 3-5, step 1.)
2
Raise the levers and remove the DM-140 and TR-
133B boards.
3.
Remove the two screws (PWH3
x
6) and board spacer
to detach the DM-140 board.
4.
Disconnect the three RF cables from the connectors
(CN100, CN701, and CN801) on the TR-133B board.
n
Be sure to hold the cable connector end when discon-
necting the RF cables. Do not pull the cable.