Extending Dm-140 And Tr-133B Boards; Extending Dm-140 Board; Extending Tr-133B Board - Sony CCU-590 Maintenance Manual

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.
TR-133B board
3. Insert an extension board, and attach the DM-140 and
TR-133B boards to the extension board.
TR-133B board
3-10
Levers
DM-140 board
Extension board
DM-140 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.
PSW3 x 6 DM-140 board
Board spacer
TR-133B board
CN801
RF cable
PSW3 x 6
(Green)
RF cable
(Black)
RF cable
CN100
(White)
Board spacer
CN701
CCU-590/P/V1(E)