GSCB Replacement

Prerequisites

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Standard FE Toolkit	1	-	-	-
Small Blade Phillips Screw Driver	1	-	-	-
Small Blade Flathead Screw Driver	1	-	-	-

Table 4. Replacement parts
Item	Quantity	Effectivity	Part number	Manufacturer
Global Scan Control Box (with GSCB Standard Cable 5440191)	1	NIO Console	5402332 / 5402332-10	-
GSCB Standard Cable	1	NIO Console	5440191	-

Table 5. Safety

Potential for Shock
Voltage may be present.
Use proper lockout/tagout procedures before replacing components. See safety menu of Service MANUAL for appropriate procedures.

Follow ALL required safety and PPE procedures customary for your organization when working on this product.

Overview

This procedure shall be followed when replacing the GSCB assembly on a system.

Select one of the following methods to Power OFF the Console:
1. If Applications are up, click on the Shut Down button on desktop display and select Shutdown.
2. If Applications are down, open a Terminal Window. Type: halt , then press Enter.
When halt command has finished, power Off the console at the front panel switch.
Apply LOTO for console.
Remove the console rear chassis cover.

Refer to Console Cover Removal and Installation
Disconnect the GSCB cable assembly from the console.
Remove the Keyboard from the GSCB Keyboard Mounting Plate and set aside.

Remove the four (4) Flathead Phillips screws to remove the Keyboard Mounting Plate from the original GSCB Assembly and transfer the mounting plate to the replacement GSCB using the same four (4) screws removed from the original assembly.

Figure 2. GSCB Keyboard Mounting Plate
Open Service Access Panel on the rear of the GSCB and set configuration switches as necessary.

Mount the Keyboard to the replacement GSCB Keyboard Mounting Plate removed earlier.
Place the replacement GSCB assembly on the console top and route the GSCB Cable to the rear of the console.

Reconnect all cables removed earlier.

Install console rear cover. Refer to Replacement > Console Cover Removal and Installation Procedure.
Perform the Functional Checks > System Scanning Test instructions from the procedure list.
Perform the Functional Checks > Quality Assurance Test instructions from the procedure list.

Item	Description	Destination
1	GSCB – Black DB-9 (Female) Connector	Host Computer DIP Serial Port
2	GSCB – Gray DB-9 (Female) Connector	Host Computer RS232 Serial Port (System Board)
3	GSCB – Green Audio Connector	Host Computer Audio Out (Green)
4	GSCB – Blue Audio Connector	Host Computer Audio In (Blue)
5	GSCB – USB Connector	NOT Used
6	GSCB – Black DB-9 (Male) Power Cable	AC BOX J56
7	GSCB – Black DB-25 (Male) Connector	TGP