Datascope Passport 2, Руководство по обслуживанию

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Disassembly Instructions Repair Information
3 - 8 0070-10-0441 Passport 2®/Passport 2 LT™ Service Manual
3.6 Disassembly Instructions
Before disassembling the unit, perform the following:
• Power down the unit and remove the line cord.
• Remove all cable assemblies from the left side, right side and rear of the unit.
• Remove any batteries that were installed.
• Perform all work on a properly grounded station.
A. Removal of the Front Housing
1. Place the unit face down on a protective surface.
2. Loosen the screw from the Comm Port or filler Port. Remove the Comm Port or filler port
from the rear of the unit. Remove the eight screws from the rear of the unit.
3. Turn the unit over and carefully remove the front housing assembly.
4. Disconnect the 80 pin ribbon cable from the J1 of the Display / Keypad board mount
in the front housing.
5. Disconnect the ground strap
B. Removal of the TFT Panel/EL Panel/Passive Panel/Keypad Panel Board
1. Remove the Encoder cable assembly from connector J4.
2. Unlatch the connectors and remove the Keypad Cable assemblies from connectors J10
and J11 (EL or LCD), J11 and J12 (Passive).
3. Remove the Speaker cable assembly from connector J2.
4. Remove the inverter cable assembly from connector J8 (LCD only).
5. Remove the screw that secures the LCD cable assembly cover on J3 (LCD only).
6. Remove the cable assembly from the connector J3 (LCD only).
7. Remove the EL Cable Assembly from connector J6 (EL only).
8. Remove the 5 screws that secure the panel board the front housing.
9. Remove the 2 screws that secure the ferrite clip to the Panel / Keypad Board.
10. Lift the panel board up and out from the front housing.
C. Removal of the LCD Display / EL Display
1. Remove the TFT / EL Keypad Board as stated in Paragraph B.
2. Remove the high voltage cable assembly from the high voltage board at connector
CN2 (LCD only).
3. Remove the inverter cable assembly from the high voltage board at connector CN1
(LCD only).
4. Remove the two screws that secure the high voltage assembly to the left rail (LCD only).
5. Remove the two screws that secure the display driver cable bracket to the right side
rail (LCD only).
6. Lift display driver cable assembly cable carefully from the LCD display / EL Display.
7. Remove the four screws that secure the LCD/EL display to the left and right rails.
8. Lift the LCD/EL display up and out to remove.
D. Removal of the Passive Display
1. Remove the Passive Panel/Keypad Panel Board as stated in Paragraph B.