GE Logiq 9 Service Manual

GE MEDICAL SYSTEMS PROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-41
5-7-5 Inputs
DC Voltages
Video Input Signals
Audio Input Signals Table 5-20    DC Input Voltages 
InputDescriptionConnection from
+3.3 VDC Input DC Voltage DC Power Supply > Backplane > J32
+5 VDC Input DC Voltage DC Power Supply > Backplane > J32
+10 VDC Input DC Voltage DC Power Supply > Backplane > J32
+15 VDCInput DC VoltageDC Power Supply > Backplane >...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-42 Section 5-7 - Internal I/O
5-7-5Inputs (cont’d)
Serial Ports
 
Control Signals Table 5-23    Serial Ports 
InputDescriptionConnection from
USB Standard USB Serial Bus BEPM - Top console
USB Standard USB Serial Bus BEPM - IEIO
Ethernet Standard Ethernet BEPM - IEIO
RS232Standard RS232 Serial BusBEPM COM1 - IEIO
RS232Standard RS232 Serial BusBEPM COM2 - IEIO
RS232Standard RS232 Serial BusPC2IO - Spare...

GE MEDICAL SYSTEMS PROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-43
5-7-6 Outputs
DC Voltage
AUDIO Table 5-25    DC Output Voltages 
OutputDescriptionConnection to
+5 VDC
 +12 VDCFrom BEP
Spare (Connector J21) +5 VDC, 
-15 VDC,
-5 VDC 
analog
From Card Rack
+5 VDC
 +12 VDCFrom BEP
Not Used 
+5 VDC, 
-15 VDC,
-5 VDC 
analog
From Card Rack
+5 VDC, 
+15 VDC,From Card RackNot Used 
+12 VDCFrom BEPTop Console
+15 VDC From Card...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-44 Section 5-7 - Internal I/O
5-7-6Outputs (cont’d)
Interface Connectors – Component Side
Table 5-27    Connectors, Component Side
InputDescriptionConnection from
A1/J1 B&W printer, 15pins HD-sub, female.
A2/P4 VCR remote ctrl – RS232: 9pins D-sub, male.
A3/P5 Color printer - RS232: 9pins D-sub, male.
A4/J2Top Console - Power & signals: 15pins D-sub, female.
A5/P4Top Console - Signals: 15pins D-sub,...

GE MEDICAL SYSTEMS PROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-45
Section 5-8
Top Console
The Top Console includes a Stand By/On switch, a keyboard, different controls for manipulating the 
picture quality, and controls for use in Measure & Analyze (M&A).
BT’03 Consoles added a USB connector to the Upper Op Panel for the Wired Voice Scan Option.Figure 5-31   Top Console
Figure 5-32  BT’03 Top Console 

GE MEDICAL SYSTEMSPROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-46 Section 5-9 - Monitor
Section 5-9
Monitor
17-inch High Resolution Monitor with no interlace scan includes loudspeakers for stereo sound output 
(used during Doppler scanning).
Section 5-10
External I/O
The External I/O is the interface between the scanner and all external items. 
5-10-1 Location in the Unit
On the rear of the scanner, above the power inlet and power breaker.Figure 5-33   Monitor...

GE MEDICAL SYSTEMS PROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-47
5-10-2 Input Signals
5-10-3 Bi-directional Signals
Table 5-29    Input Signals 
InputDescriptionConnection from/via/to
Footswitch 
ConnectorFootswitch is a mechanical switch that connect a signal to 
ground. 
Internal level is TTL (0-3.3V)Footswitch > External I/O > Internal I/O 
> PC2IO (BEP)
DC Voltages from BEP
+5 VDC
Used for Optical Couplers on RS232...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-48 Section 5-10 - External I/O
Figure 5-35   External I/O
EXTERNAL I/O
Module
TRIGGERUSB
SVGA OUT
MODEM
FOOTSWITCH
RS232 (COM1:) Audio (R)
Audio (L)
C-Video OUT
10/100Base-TX
S-Video OUT
BW Video OUT
EXPOSE #1
EXPOSE #2
External I/O
Upper PWB
To MODEM
Modem Phone
Connection
Burn In
Power
ON/OFF
Control
Connection to
Internal I/O Board
EXTERNAL I/O
PWB 

GE MEDICAL SYSTEMS PROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-49
5-10-4 Output Signals
Several signal are fed from the Internal I/O board to an External I/O board located on the rear of the 
system. This board contains data buffers and a galvanic isolation section. 
Different types of signals are fed to connectors accessible on the External I/O.
• R, G, B and Sync are provided for external RGB monitors or printers.
•...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-50 Section 5-12 - Modem
Section 5-12
Modem
5-12-1 General Description
Multi-Tech global modem. The modem is a standard modem that connects to an analog phone line.
5-12-2 Location in the Unit
5-12-3 Inputs/Outputs
• DC Voltage from Modem Power (AC/DC Converter)
• RS232 from Backend Processor via Internal I/O and External I/O
• Analog Phone line via External I/O
5-12-4 Fuses
None
5-12-5 Jumpers and...