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Toshiba Manuals
Medical Equipment
Aplio SSA-770A
Service manual
Toshiba Aplio SSA-770A Service Manual
Diagnostic ultrasound system
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Table Of Contents
272
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Contents
Table of Contents
Bookmarks
Table of Contents
Safety Precautions
Meaning of Signal Words
Meaning of Safety Symbols
Table of Contents
Introduction
Outline
PWB Configuration of each Unit
Block Diagram
Disassembly and Removal Procedures
Name of each Section
Removing the Covers
For the SSA-77OA
Removing the Left Side Cover
Removing the Left Side Cover for Peripheral Units
Removing the Right Side Cover
Removing the Base Rear Cove
For the SSA-7OOA
Removing the Handle Covers
For the SSA-77OA
For the Ssf+7Ooa
Removing the Handle
Removing the Monitor Unit (for Systems with the CRT Monitor)
Removing the Monitor Unit from the Boss
Removing the Monitor Unit (for Systems with the LCD Monitor)
Removing the LCD Monitor Arm
Adjusting the LCD Monitor Arm Vertical Movement Resistance
Removing the Operating Panel
For the Ssf+77Oa
Removing the Bellows
Removing the Front/Rear Sliding Wire
Removing the Up/Down Sliding Wire
Removing the Cables
Remove the Operating Panel from the System
For the Ssf+7Ooa
Disassembling the Operating Panel
Removing the Lower Cover
Removing the Upper Panel
Removing the Handle
Removing the Trackball Section
Removing the Pwbs (B) and (G)
Removing the Keyboard
Removing the LCD /.L,Ssy
Removing the Pwbs (C), (D), and (E)
Removing the Near/Away Slide Lever
Removing the Up/Down Slide Lever
Mounting the Switch Cover
Removing the PWB Rack
Removing the Pwbs
Removing the TI
Removing the IO
Removing the HDD Unit
Removing the Battery
Removing the AC-DC Unit
Removing the FAN-BOX
Removing the Left Side Cover and AC-DC Unit
Removing the PSA and PSD
Removing the Transformer
Removing the MO
Removing the Front Panel
For the Ssf+77Oa
Removing the Cables Connected to the MO
For the Ssf!,-7OOA
Removing the Rear Panel
Removing the PHYSIO Unit
Removing the Physlo Unit
For the Ssf+77()A
For the Ssf+7Ooa
Removing the Caster Units
For the SSA-77OA
Removing the Blocks
Cleaning the Air Filters
Removing and Cleaning the Air Filters (for Service Engineers)
Cleaning Procedures for Parts Other than Key Tops
Cleaning the Panel
Cleaning of Key Tops
Adjusting the Operating Panel Locking Wire
Adjusting the Up/Down Slide Wire
Adjusting the Near/Away Slide Wire
Replacing the Operating Panel Locking Wire
Replacing the Up/Down Slide Wire
Removing the Up/Down Slide Wire (at the Support Unit Side)
Replacing the Near/Away Slide Wire
Removing the Near/Away Slide Wire (at the Support Unit Side)
Removing the CD-R Unit
Cleaning the MO Drive
Cleaning the Palm Switch
Cleaning Procedures for the Old-Type Palm Switch
Cleaning Procedures for the New-Type Palm Switch
Operation of each Pwb
Composition
Front-End Unit
Flow of Signals in the Front-End
Reception System
SCW Transmission/Reception
Transmission
Calibration and Tests Required When the Board Is Repaired/Replaced
Differences in the Pwbs in the PV Series
When the TI Board Is Replaced
When the TR/RC/CB Board Is Replaced
Array Transducer Switching
Description of Functions and Operation
Support of the M-TEE Transducer
Support of Transducer with Impedance Converter
Error Detection
HV Detection Fault Error
HV Diode Fault Error
HV Fault Error
Differences Relative to PV8000
Equivalent Boards in PV8000
Transducer Interface Block Diagram
Antialiasing Filter (Functions in RXAR ASIC)
Preamplifier and Variable Gain Amplifier (Functions in RXAR ASIC)
Transmit Pulse Generation
Transmit Pulser
Address Decoder (EPLD) and TC Bus
Fault Detection and Protection Circuit
Reception Resonance
T/R Switch
Comparison with PV8000
Rcb
Diagnostic Circuit Block
Excessive Transmission Voltage Detection
System Clock Generation: Clock Generation
TEE Transducer Head High-Temperature
Cb
Pencil CW TX/RX Circuit
Quadrature Demodulation Circuit
SCW Summation
Baseband Filter
Description of Operation
Selectable BPF
Adc
Clock Generation
Pencil CW Transmitter/Receiver
Selectable Gain Amp
CB Address Decoder (EPLD)
ID Eeprom
PECL Clocks
Adjustment Points
BE Unit
Equivalent Units in the PV Series
VI (Video Interface)
Explanation of the Block Diagram
External NTSC
NTSUPAL Encoder Interface
External PAL
NTSC Vertical Line Timing
PAL Vertical Line Timing
CPU and Chip Set
Graphics Card
Main Memory
RM (Realtime Manager)
Jumper Setting
Leds
Block Diagram of the RM
Iqdas (Ip)
I/O
Statuses Indicated by the Status Leds
Front Panel
Rear Panel
System-Related Boards
Operating Panel
Additional Terms
USB Connection
Block Diagram of the Power Supply Unit
Power Supply Unit Configuration
Unit Specifications
Transformer Tray
Voltage Setting for Replacing the Transformer
Description of each Connector
J51 AC Output for the AC/DC Tray
OEM AC Output
P41 Monitor AC Output
AC/DC Tray
Psa/Psd Unit
PSAIPSD Unit
Control I/F
Precautions for Operational Checks
Psd
Test Point Location
Test Point Voltage in the Normal Status
PSD Block Diagram
Leds for Error Display
CRT Monitor
Monitor Adjustment
Self-Test Pattern and Degaussing Function
Operating the Menu
OSD Adjustment
Starting and Terminating the Menu
Advanced Controls
Color Temperature
Geometry
Size & Position
Degauss
Exit Osd
LCD Monitor
Monitor Status
Service
Service Mode
User Mode
List of Functions Available in the Service Mode Menu
Details of the Service Mode Menu
Automatic Power Save Mode
Forced Power Save Mode
Power Save Mode
Starting up the Adjustment Guide File and Adjusting Image Quality
Status LED
To Eliminate Flickering or Bleeding
To Eliminate Vertical Stripes on the Screen
To Adjust the Display Position
Physio Module
IO.1 Overall Folder Configuration
Software Organization
IO.2 Version Information
Error Handling
Error Log Operation
Error Levels (Severity)
Error Messages
Error Log Operation (Facility)
Setting the Preset Menu
Outline of each Preset
Basic Preset Architecture
System Preset
Imaging Preset
3D Preset
Preset Structure
Imaging Preset Structure
Setting and Changing Presets
Preset Selection on the Patient Information
Exam Type Preset Setting
Application Preset Setting
Changing Imaging Preset or Application Preset During an Examination
When the Imaging Preset Is Changed
When the Application Preset Is Changed
Preset Editors
System Preset Editor (Not Applicable to Exam Type)
Exam Type Editor
Application Preset Editor
Description of Preset Parameters
General Settings
Peripheral System
Output
Exam Information
Transducer
External
Report
Work Order
Other Setting
Appl Meas.
Meas. Window
D-Mode Meas.
Meas Report
Meas. Report2
Meas. Marker
Body Mark
Annotation
Tic
OB Calc.
D-OB Calc.
OB Meas.
Lv (2D)
Cardiac Doppler
LV Mass.
Carotid1 Doppler
Carotid1 Meas. Tool
Carotid2 Doppler
Carotid1 Meas. Type
Carotid2 Meas. Type
Carotid2 Meas. Tool
ACT (Option)
Backing up the Preset Data
Backing up the Users Data
Backup
Restoration
Changing the PC Name
N Ejwork Connection
Upgrading the Software
Selection of the Panel Switch Layout
Standard Panel Switch Layout
Changing the Panel Configuration File
Panel Switch Layout and Switch Functions after Configuration
Cardiac (Cardiacbat)
TMSE/TAMS Abdomen (TMSE-TAMS-Abd.bat)
TAMS Left-Handed
Attaching the Label
Date/Time Setting Change
To Change the System Time Only
To Change the System Date and Time
3D Position Sensor Unit
3D Position Sensor
Position Sensor Transmitter
Attaching the Position Sensor Receiver to a Transducer
Positional Data
Magnetic Field Distortion Check Tool
Principle of Magnetic Field Distortion Check
Magnetic Field Distortion Check
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No. 2D730-148E"O
SERVICE MANUAL
FOR
DIAGNOSTIC
ULTRASOUND
SYSTEM
MODELS
SSA-700A/SSA-770A
(2D730-148E"O)
TOSHIBA
MEDICAL
SYSTEMS
CORPORATION
@I TOSHIBA MEDICAL SYSTEMS CORPORATION
2001-2008
ALL RIGHTS RESERVED
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Summary of Contents for Toshiba Aplio SSA-770A
Page 271
LEGAL MANUFACTURER 1385, SHIMOISHIGAMI, OTAWARA-SHI, TOCHIGI-KEN 324-8550, JAPAN "Made for Life" is a trademark of Toshiba Medical Systems Corporation.
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