Trackball Assembly Replacement - GE LOGIQ E10 Basic Service Manual

D 5750007-1EN, R
IRECTION
8-7-14

Trackball Assembly replacement

Table 8-160 Manpower / Time and Tools
Manpower /
Time
One person /
15 minutes
Table 8-161 Preparations and Preparation Links
DO NOT TOUCH ANY BOARDS WITH INTEGRATED CIRCUITS PRIOR TO TAKING THE
WARNING WARNING
NECESSARY ESD PRECAUTIONS.
1. ALWAYS CONNECT YOURSELF . THE WRIST STRAP SHOULD BE CONNECTED TO ONE OF
THE TWO RECEPTACLES INTEGRATED ON THE FRAME, SPECIFICALLY FOR THAT
PURPOSE.
2. FOLLOW GENERAL GUIDELINES FOR HANDLING OF ELECTROSTATIC SENSITIVE
EQUIPMENT.
Energy Control and Power Lockout for LOGIQ E10:
WARNING WARNING
When servicing parts of the Ultrasound System where there is exposure to voltage greater than 30
Volts:
1. TURN OFF THE SCANNER.
2. UNPLUG THE SYSTEM.
TAG
&
3. MAINTAIN CONTROL OF THE SYSTEM POWER PLUG.
LOCKOUT
4. WAIT FOR AT LEAST 20 SECONDS FOR CAPACITORS TO DISCHARGE AND THE ON/OFF
Signed Date
BUTTON (WHITE LIGHT ON THE OP PANEL) TO TURN OFF, AS THERE ARE NO TEST POINTS
TO VERIFY ISOLATION.
J10
5. REMOVE THE BATTERY COVER AND DISCONNECT THE POWER CABLES J10 and J11 (black
TAG
&
LOCKOUT J11
and red) FROM THE BACKPLANE. See:
Signed Date
J10
replacement" on page
J11
Beware that the Main Power Supply, the Batteries, Power Module, ECB Shear Wave Capacitor Pack
may be energized, even if the power is turned OFF if the cord is still plugged into the AC Outlet.
1. Power down the system.
2. Disconnect the mains power cable from the wall outlet and all Probes and External I/O Cabling.
3. Remove the Left Side Cover , the Battery Cover, the Upper OP/Touch Panel assembly and the Lower OP. Place it on
a clean surface with the front down.
Preparation Links (if you need more information):
• 4-2-4 "Power SHUT DOWN" on page 4-9.
• 8-7-9 "Upper OP (Operator Panel)/Touch Panel Assembly replacement" on page 8-117.
• 8-7-10 "Lower OP (Operator Panel) replacement" on page 8-122.
. 1
EV
Refer to: 8-2-5 "Tools needed for servicing the LOGIQ E10" on page 8-6
8-2-6 "PPE Required During Service" on page
Preparations - you must perform the following steps
8-327.
Chapter 8 Replacement Procedures
LOGIQ E10 B
Tools / PPE
8-6.
8-2-2 "Warnings" on page 8-3
S M
ASIC ERVICE ANUAL
/
and 8-11-15 "Rear I/O
8 - 141