GE LOGIQ E10, Basic Service Manual

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D
IRECTION
5750007-1EN, R
EV
. 1 LOGIQ E10 B
ASIC
S
ERVICE
M
ANUAL
Chapter 8 Replacement Procedures 8 - 327
8-11-15 Rear I/O replacement
Table 8-336 Manpower / Time and Tools
Manpower /
Time
Tools / PPE
One person /
15 minutes
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 8-6 .
Table 8-337 Preparations and Preparation Links
Preparations - you must perform the following steps
WARNING WARNING
Risk of electrical shock, system must be turned off. Avoid all contact with electrical contacts,
conductors and components. Always use non-conductive handles designed for the removal
and replacement of ESD sensitive parts. All parts that have the potential for storing energy
must be discharged or isolated before making contact.
IF THE SHEAR WAVE OPTION IS PRESENT, MAKE SURE THE LEDS ON THE CAPACITOR
PACK ARE OFF.
Prior to removing the Card Rack Boards, the LEDs on the end of each board should be unlit, to
indicate boards are NOT powered.
DO NOT TOUCH ANY BOARDS WITH INTEGRATED CIRCUITS PRIOR TO TAKING THE
NECESSARY ESD PRECAUTIONS:
1. ALWAYS CONNECT YOURSELF. THE ESD WRIST STRAP SHOULD BE CONNECTED TO ONE
OF THE TWO RECEPTICALS INTEGRATED ON THE FRAME, SPECIFICALLY FOR THAT
PURPOSE.
2. FOLLOW GENERAL GUIDELINES FOR HANDLING OF ELECTROSTATIC SENSITIVE
EQUIPMENT.
WARNING WARNING
Energy Control and Power Lockout for LOGIQ E10 :
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.
3. MAINTAIN CONTROL OF THE SYSTEM POWER PLUG.
4. WAIT FOR AT LEAST 20 SECONDS FOR CAPACITORS TO DISCHARGE AND THE ON/OFF
BUTTON (WHITE LIGHT ON THE OP PANEL) TO TURN OFF, AS THERE ARE NO TEST POINTS
TO VERIFY ISOLATION.
5. REMOVE THE BATTERY COVER AND DISCONNECT THE POWER CABLES
J10 and J11 (black
and red) FROM THE BACKPLANE. See: 8-2-2 "Warnings" on page 8-3 and 8-11-15 "Rear I/O
replacement" on page 8-327 .
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, all Probes and External I/O Cabling.
3. Remove the Left Side Cover and the Battery Cover.
Preparation Links (if you need more information):
• 4-2-4 "Power SHUT DOWN" on page 4-9.
• 8-6-3 "Side Cover(s)/Side Air Intake (Filter) inspection / replacement" on page 8-33.
Signed
Date
TAG
&
LOCKOUT
J10
J11
J10
J11
Signed Date
TAG
&
LOCKOUT