Removal Of The Cpu Board Assembly (8); Removal Of The Nibp Circuit Assembly (30); Removal Of The Power Supply Assembly (41) - Datascope Accutorr Plus Service Manual

4.6.4 Removal of the CPU Board Assembly (8)

1. Remove rear housing, front bezel and keyboard assembly. Reminder: Battery
must be disconnected.
2. Lift the Recorder and Temperature modules floating connectors, off the locator pins
on the main chassis.
3. Disconnect the ribbon cable connector (J1) from keyboard. NOTE: This is easier if
the NIBP assembly end is disconnected first.
4. Disconnect the Interface connector ribbon cable, (J-3) from the CPU board.
5. Disconnect the Speaker connector from (J-6) from the CPU board. Check for other
attached cables. Disconnect as required.
6. Remove the mounting screws from the CPU board. Leave the plastic insulator attached
to the chassis. Use a piece of adhesive tape, if required, to secure the insulator to the
chassis.

4.6.5 Removal of the NIBP Circuit Assembly (30)

1. Remove the rear housing of the monitor, as indicated above.
2. Disconnect Ribbon Cable connectors: (J1) to Filter board; (J2) to Power Supply board;
(J4) to CPU board.
3. Disconnect plastic tubing from center port of air pump. Pull out the remaining
plastic tubing, that was originally connected at the front panel cuff connector.
4. Remove the shield from the NIBP Module.
5. Remove the 3 screws from the NIBP Board; remove the board.

4.6.6 Removal of the Power Supply Assembly (41)

1. Remove the rear housing as indicated above.
2. Disconnect the ribbon cable at (J3).
PRECAUTION: Do not remove the screws located at the end of the circuit board: the board
will not come out and may damage internal connections.
3. Remove the two screws on the metal chassis/heat sink near J3, then remove two more
screws at the AC power input end. (J2)
4. Slide the complete assembly out, about one inch.
5. Disconnect (J2) the AC connector from the circuit assembly and slide out the Power
Supply assembly completely.
4-10
Revised 12/20/00
Accutorr Plus Service Manual
Chapter 4 - Repair Information