Ac Power Outlet For Peripheral; Front End - GE LOGIQ P6 Service Manual

GE H
EALTHCARE
D 5245279, R
IRECTION EVISION
5-3-4

AC Power Outlet for Peripheral

The LP6 ARP II 110V Assy and LP6 ARP II 220V Assy supply the AC power to peripherals. Both of the
assemblies are the same except the circuit breaker's current ratings depending on voltage of the system
power source (See 'Safety' described below).
5-3-4-1 Safety
• Circuit Breaker
Assembly
LP6 ARP II
LP6 ARP II
• Electrical Isolation
The LP6 ARP assy are isolated electrically from the internal circuit of the system. The dielectric strength
of the isolator should be 500VAC RMS or higher within 1 minute (in compliance with IEC60601-1-1).
5-3-5

Front End

The Front End generates the strong burst transmitted by the probes as ultrasound into the body. It also
receives weak ultrasound echoes from blood cells and body structure, amplifies these signals and
converts them to an digital signal.
The digital representation of this signal is presented to the Mid Processor section.
• PI128II (Relay) : PI128II Assy contains 3 connectors for probe interfacing, and selects one probe
among connected probes. In case of LOGIQP6 PRO, P3RLY Assy is install for probe interfacing.
• DTRX64II: Cascading 2 transmitting and receiving beam formers (2 DTRX64s) allows the system
to transmit with Higle level or low level pulses, and to sum delayed echos for 128 channels. In case
of LOGIQP6 PRO, 1 pcs of DTRX64II Assy is installed.
• SYSCONML (System Control board with Multi-Line mid processor): It includes 4 main functions:
front-end control, mid-processing for MLA2, post processing for display and user interface control.
• APS II(Power Supply): Includes Low voltage powers and High voltage powers in one module. It
generates 2.0V, 3.3V, 5V, and 12V for digital parts and +/-6V, +/-12V for analog parts. Additionally,
It generates THV+/-/TLV+/-(Transmit High Voltage/Transmit Low Voltage) for transmit driver and
SHV+/-(Scanner High Voltage) for High voltage MUX embeded in probe side.
• RFC(RF signal Connection): Connects PI128II, DTRX64II and CWD64 Assys for 128 transmitting
and receiving signals. In case of LOGIQP6 PRO, RFC PRO Assy is installed.
3
Table 5-2
Power Voltage
Rating (V)
110
(110V)
220
(220V)
Section 5-1 - Overview
Circuit Breaker Specification
Peripheral Current
Rating (A)
4.0
2.0
LOGIQ™ P6/P6 P
RO
Trip Time
1 hour max. @
5.4A, 25 degreeC
1hour max. @
3.5A, 25 degreeC
S M
ERVICE ANUAL
Reset Time
110 second
180 second
5 - 11