Vatech A9 User manual

Vatech A9(PHT-30CSS)
Technical manual
VDH-TeM-085 0 / 172
COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 1 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
General Information
The document is created by VATECH Co., Ltd., cooperating with worldwide field technicians and VATECH
engineers for years aiming to give effective service guidelines. Therefore, the instructions and safety
information maintained in this manual provides the maximum degree of protection with VATECH’s know-
how techniques and schemes concerning not only repair but maintenance. We strongly recommend
familiarizing yourself with this Technical manual to carry out the necessary information on the VATECH
equipment.
The information contained in this Technical manual may be subject to change at any time without notice,
justification, or notification to the persons concerned. Revisions and redistribution of this manual may occur
due to upgrades or design modifications.
The Information on this manual is the confidential property of VATECH Co., Ltd., and any unauthorized
distribution or copying of this document is strictly prohibited.
Manual Version
vatech A9 (PHT-30CSS) Technical manual Ver. 1.00 - ENG
Release Date
May 2021

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 2 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Contents
General Information............................................................................................................ 1
Before you begin ................................................................................................................ 8
Conventions in this Guide......................................................................................................................... 8
Safety Information ...................................................................................................................................... 9
Equipment Safety Instructions ............................................................................................................... 10
Radioactive Warning .................................................................................................................................11
Pre-check points for Service Technician ............................................................................................... 12
Chapter 1. Hardware Part Service Guide ........................................................................ 13
1. vatech A9(PHT-30CSS) System Block Diagram ........................................................................... 13
2. vatech A9(PHT-30CSS) Board Configuration ............................................................................... 14
2.1. Vertical Frame Part.................................................................................................................... 14
2.2. Handle Unit................................................................................................................................ 19
2.3. Rotating Unit Part ...................................................................................................................... 21
2.4. CEPH Unit ................................................................................................................................. 25
3. vatech A9(PHT-30CSS) Connection Diagram............................................................................... 27
3.1. Power and Ground Connection Diagram .................................................................................. 27
3.2. Main MCU and SENSOR Connection Diagram ........................................................................ 30
3.3. Sensor Part Connection Diagram.............................................................................................. 32
3.4. CEPH SENSOR Part Connection Diagram ............................................................................ 32
3.5. Connection Diagram (Total assembly) ...................................................................................... 33
4. Disassembly of vatech A9(PHT-30CSS) Covers .......................................................................... 34
4.1. Vertical Frame Part.................................................................................................................... 34
4.2. Rotating Unit Part ...................................................................................................................... 35
4.3. Handle Frame Unit Part............................................................................................................. 42
4.4. CEPH Unit Part ....................................................................................................................... 47
Chapter 2. CT Image Optimization .................................................................................. 51
1. Geometry information..................................................................................................................... 51
2. Equipment default values .............................................................................................................. 52
2.1. Check the equipment horizontal level ....................................................................................... 52
2.2. Check the sensor horizontal level ............................................................................................. 53
2.3. Equipment Start Position Setting............................................................................................... 53
2.4. Bite location (CT mode)............................................................................................................. 54
3. CT Sensor Calibration .................................................................................................................... 55
3.1. CT Sensor Calibration Standard ............................................................................................... 55
3.2. Before CT sensor calibration..................................................................................................... 56
3.3. CT sensor setting ...................................................................................................................... 56
3.4. CT sensor: Dark calibration....................................................................................................... 58
3.5. CT sensor: Bright calibration ..................................................................................................... 59

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 3 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
3.6. CT Bad Pixel Verification........................................................................................................... 65
4. CT Geometry Calibration................................................................................................................ 67
4.1. Sensor Uoffset setting ............................................................................................................... 67
4.2. Bead Phantom Image Acquisition ............................................................................................. 71
4.3. Handle Frame Align................................................................................................................... 78
5. CT Collimator Alignment ................................................................................................................ 85
5.1. CT Collimator Alignment............................................................................................................ 85
5.2. CT Collimator Alignment with EzAlign ....................................................................................... 87
6. DAP Calibration............................................................................................................................... 88
7. CT Number Calibration................................................................................................................... 92
7.1. Acquire CT Phantom Image ...................................................................................................... 93
Chapter 3. CT Image Evaluation.................................................................................... 100
1. Spatial Resolution(MTF) evaluation ............................................................................................ 100
1.1. Spatial Resolution (MTF) standards........................................................................................ 100
1.2. Phantom Specification............................................................................................................. 100
1.3. Test Method ............................................................................................................................. 101
1.4. Test Result............................................................................................................................... 101
2. Contrast evaluation....................................................................................................................... 102
2.1. Contrast standards .................................................................................................................. 102
2.2. Phantom Specification............................................................................................................. 102
2.3. Test Method ............................................................................................................................. 102
2.4. Test Result............................................................................................................................... 102
3. Noise evaluation............................................................................................................................ 103
3.1. Noise standards....................................................................................................................... 103
3.2. Phantom Specification............................................................................................................. 103
3.3. Test Method ............................................................................................................................. 103
3.4. Test Result............................................................................................................................... 103
4. Homogeneity evaluation .............................................................................................................. 104
4.1. Homogeneity standards .......................................................................................................... 104
4.2. Phantom Specification............................................................................................................. 104
4.3. Test Method ............................................................................................................................. 104
4.4. Tes t R esult............................................................................................................................... 104
5. CT Number Accuracy evaluation................................................................................................. 105
5.1. CT Number standards ............................................................................................................. 105
5.2. Phantom Specification............................................................................................................. 105
5.3. Test Method ............................................................................................................................. 106
5.4. Test Result............................................................................................................................... 106
6. High Contrast Resolution evaluation.......................................................................................... 107
6.1. High Contrast Resolution standards........................................................................................ 107
6.2. Phantom Specification............................................................................................................. 107

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 4 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
6.3. Test Method ............................................................................................................................. 107
6.4. Test Result............................................................................................................................... 108
7. Low Contrast Resolution evaluation........................................................................................... 109
7.1. Low Contrast Resolution standards ........................................................................................ 109
7.2. Phantom Specification............................................................................................................. 109
7.3. Test Method ............................................................................................................................. 109
7.4. Test Result............................................................................................................................... 109
8. Slice Thickness Evaluation...........................................................................................................110
8.1. Slice Thickness Standard.........................................................................................................110
8.2. Phantom Specification..............................................................................................................110
8.3. Test Method ..............................................................................................................................110
8.4. Test Result................................................................................................................................110
9. Collimator Alignment Evaluation..................................................................................................111
9.1. Collimator Alignment Standard.................................................................................................111
9.2. Test Method ..............................................................................................................................112
9.3. Test Result................................................................................................................................112
Chapter 4. PANO Image Optimization ............................................................................113
1. Geometry information....................................................................................................................113
2. Equipment default values .............................................................................................................113
2.1. Bite location (PANO mode).......................................................................................................113
3. PANO Sensor Calibration..............................................................................................................114
3.1. PANO Sensor Calibration Standard .........................................................................................114
3.2. Before PANO sensor calibration...............................................................................................114
3.3. PANO sensor setting ................................................................................................................115
3.4. PANO sensor: Dark calibration.................................................................................................116
3.5. PANO sensor: Bright calibration...............................................................................................118
4. PANO Collimator Alignment......................................................................................................... 121
4.1. PANO Collimator Alignment..................................................................................................... 121
4.2. PANO Collimator Alignment with EzAlign................................................................................ 123
5. PANO Collimator Speed Alignment............................................................................................. 124
5.1. PANO Collimator Speed Alignment......................................................................................... 124
5.2. PANO Collimator Speed Alignment with EzAlign .................................................................... 129
6. PANO Geometry Calibration ........................................................................................................ 130
6.1. PANO Geometry Calibration Standard.................................................................................... 130
6.2. Right and Left Pin Distance Calibration................................................................................... 131
6.3. Center Pin Position Calibration (POFS) .................................................................................. 133
6.4. Center Ball Size Calibration .................................................................................................... 134
6.5. Line Pair Resolution ................................................................................................................ 135
7. Vertical Laser Beam Align ............................................................................................................ 136

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 5 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Chapter 5. PANO Image Evaluation............................................................................... 137
1. Line Pair Resolution evaluation .................................................................................................. 137
1.1. Resolution standards............................................................................................................... 137
1.2. Phantom Specification............................................................................................................. 137
1.3. Test Method ............................................................................................................................. 137
1.4. Test Result............................................................................................................................... 137
2. Low Contrast Resolution evaluation........................................................................................... 138
2.1. Low Contrast standards .......................................................................................................... 138
2.2. Phantom Specification............................................................................................................. 138
2.3. Test Method ............................................................................................................................. 138
2.4. Test Result............................................................................................................................... 138
3. Noise evaluation............................................................................................................................ 139
3.1. Noise standards....................................................................................................................... 139
3.2. Phantom Specification............................................................................................................. 139
3.3. Test Method ............................................................................................................................. 139
3.4. Test Result............................................................................................................................... 139
4. Homogeneity evaluation .............................................................................................................. 140
4.1. Homogeneity standards .......................................................................................................... 140
4.2. Phantom Specification............................................................................................................. 140
4.3. Test Method ............................................................................................................................. 140
4.4. Test Result............................................................................................................................... 140
5. Collimator Alignment Evaluation................................................................................................. 141
5.1. Collimator Alignment Standard................................................................................................ 141
5.2. Test Method ............................................................................................................................. 141
5.3. Test Result............................................................................................................................... 141
Chapter 3. CEPH Image Optimization......................................................................... 142
1. CEPH Sensor Calibration ............................................................................................................. 142
1.1. Before CEPH sensor calibration.............................................................................................. 142
1.2. CEPH sensor setting ............................................................................................................ 143
1.3. CEPH sensor: Dark calibration................................................................................................ 144
1.4. CEPH sensor: Bright calibration ........................................................................................... 145
1.5. Bright calibration: 5 points ....................................................................................................... 146
1.6. Bad pixel spec. & definition ..................................................................................................... 148
2. CEPH Geometry Calibration ........................................................................................................ 149
2.1. Lateral Mode Start Position Setting......................................................................................... 149
2.2. PA Mode Start Position Setting ............................................................................................... 151
2.3. Line Pair Resolution ................................................................................................................ 153
2.4. CEPH Ear-Rod Alignment ....................................................................................................... 154
3. CEPH Collimator Alignment......................................................................................................... 157
3.1. CEPH Collimator alignment..................................................................................................... 157

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 6 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
3.2. CEPH Collimator align with EzAlign ..................................................................................... 159
4. How to use V.I.P.S.......................................................................................................................... 160
4.1. Point setting method for Lateral Mode image ......................................................................... 162
4.2. Point setting method for Frontal Mode image ......................................................................... 165
4.3. Cautions when setting V.I.P.S Point ........................................................................................ 166
Chapter 6. CEPH Image Evaluation ............................................................................ 167
1. Lateral Mode Start Position Evaluation ...................................................................................... 167
1.1. Lateral Mode Starting position standard.................................................................................. 167
1.2. Phantom Specification............................................................................................................. 167
1.3. Test Method ............................................................................................................................. 167
1.4. Test Result............................................................................................................................... 167
2. PA Mode Start Position Evaluation ............................................................................................. 168
2.1. PA Mode starting position standard......................................................................................... 168
2.2. Phantom Specification............................................................................................................. 168
2.3. Test Method ............................................................................................................................. 168
2.4. Test Result............................................................................................................................... 168
3. Line Pair Resolution Evaluation.................................................................................................. 169
3.1. Noise standards....................................................................................................................... 169
3.2. Phantom Specification............................................................................................................. 169
3.3. Test Method ............................................................................................................................. 169
3.4. Test Result............................................................................................................................... 169
4. Low Contrast Resolution evaluation........................................................................................... 170
4.1. Homogeneity standards .......................................................................................................... 170
4.2. Phantom Specification............................................................................................................. 170
4.3. Test Method ............................................................................................................................. 170
4.4. Test Result............................................................................................................................... 170
5. Collimator Alignment Evaluation................................................................................................. 171
5.1. Collimator Alignment Standard................................................................................................ 171
5.2. Test Method ............................................................................................................................. 172
5.3. Test Result............................................................................................................................... 172
Chapter 7. Firmware Upgrade Guide............................................................................. 173
1. Firmware Upgrade Procedure (Ethernet Communication) ....................................................... 173
2. Installing Firmware Upgrade Software (Serial Communication).............................................. 175
3. Firmware Upgrade Procedure (Serial Communication)............................................................ 176
4. Checking Firmware Version (Serial Communication) ............................................................... 182
5. Appendix........................................................................................................................................ 183
5.1. Main MCU Board Parameters ................................................................................................. 183
Chapter 8. Command-List Guide................................................................................... 188
1. Communication Protocol ............................................................................................................. 188
1.1. Communication Setting ........................................................................................................... 188

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 7 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
1.2. Command Formation............................................................................................................... 189
2. vatech A9(PHT-30CSS) Command-List....................................................................................... 190
3. Procedure for using remote exposure function ........................................................................ 197
3.1. When exposure the PANO/CEPH in Console Software.......................................................... 197
3.2. Remote exposure sequence when acquiring the Bright Calibration ....................................... 197
3.3. TUTS Test................................................................................................................................ 197
3.4. XTST Test ................................................................................................................................ 197
4. Error Message List........................................................................................................................ 198
Chapter 9. Console software error message List ........................................................ 200
1. Hardware Error Code.................................................................................................................... 200
2. Software Error Code ..................................................................................................................... 203
3. Acquisition Module Error Code................................................................................................... 208
4. Image Processing Error Code ..................................................................................................... 209
5. Stitching SW Error Code .............................................................................................................. 212

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 8 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Before you begin
Conventions in this Guide
The operator should perform the procedure according to the following Safety instruction. This Manual
is intended only for VATECH Co., Ltd. authorized engineers only to avoid personal injury and damage.
VATECH Co., Ltd. holds no liability for the problems caused by unauthorized engineers.
To effectively describe safety information, the following signs are used in this manual.
WARNING Critical application information that could result in
critically severe injury or damage on both operator and
equipment is described.
CAUTION Important application instructions that could result in
serious personal injury or equipment damage are
described.
IMPORTANT Necessary instructions or application information are
indicated.
NOTICE Useful information or possible harmful situations are
indicated.
RADIATION Radioactivity sign to signify the radiation hazard.

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 9 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Safety Information
X-rays can be dangerous if not used properly, followed by safety instructions. All safety instructions
and warnings must be carefully observed to guarantee the maximum protection of technicians from
X-Ray hazards. To operate and service the device, follow the instructions contained in this manual.
Operator Qualifications
This equipment can only be operated or serviced by VATECH authorized
engineers who are fully trained. To operate this equipment, all operators
must:
• have read and understood the Technical manual before application.
• be familiar with the fundamental structures and functions of the
equipment with enough experience.
• Only VATECH authorized operator can handle the electrical circuit
board, and an understanding of the electric and electrical system is
required.
• Be able to recognize operation malfunction and implement
appropriate measures to take care of irregularities.
General Safety Precautions
• To operate and service the device, following instructions, Note,
Important, Caution, and Warning must be carefully
• Do not place any objects within the equipment operational
boundary. It can physically damage equipment.
• Ensure that this medical equipment is kept away from water,
moisture, or foreign substances at all times.
• The sudden change of temperature may affect equipment operation
conditions by causing condensation. Wait until the equipment
reaches room temperature then turn it on.
• This product may only be operated with VATECH original
accessories or third-party accessories only approved by VATECH
Co., Ltd.

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 10 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Equipment Safety Instructions
This electro-medical device contains high voltage and current flowed parts, and the following
instructions must be followed to avoid critical damage to the body and equipment.
Electrical Safety Caution
• The equipment and PC should be connected to a common
protective earth. Confirm that the equipment is well-grounded.
• High voltage and current flows throw equipment. Turn off
equipment power and wait at least 2 minutes before the operation
begins.
• Do not connect this equipment to any device without authorization
from VATECH Co., Ltd.
• Do not connect this equipment to a Multiple Portable Socket- Outlet
(MPSO) or extension wires
• Keep in mind that MCU boards are electrically sensitive that
operators need to wear shielding gloves while operating.
• The only part that can be replaced by the users is the input fuses.
Check if the fuses comply with the manufacturer’s specifications.
Mechanical Safety Caution
• Be aware that fingers or parts of your body are not shut in the
equipment.
• If a problem occurs during operation, immediately press the red
emergency stop button to stop equipment operation and cut off all
power to the equipment.
• Never touch the patient while touching the connector of SIP/SOP.
• While adjusting the patient, ensure that the laser beam is not
directed at the patient’s eyes.
• Never expose the equipment to liquids, mists, or sprays. Any liquid
may cause an electrical shock or otherwise damage the system.
• Do not use spray cleaners on the equipment to avoid fire.
• Do not use solvent aerosol or spray cleaning agents directly on the
surface of the equipment. It can damage equipment, including the
LCD panel.

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 11 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Radioactive Warning
It is important to read this manual carefully and strictly abide by all warnings and cautions stated.
Since rules and regulations concerning radiation safety differ by country, it is the users’ responsibility
to comply with all applicable rules and regulations concerning radiation safety and protection in their
area.
Radiation Safety Caution
• The equipment must be housed inside an X-ray shielded room.
• Or operators should use a shielding plate to minimize radiation
exposure while operating the system.
• The equipment exposes radioactive rays, and only specialized
engineers can operate the system. R
ead and understand related
regulations and warnings.
• Press the emergency button to stop equipment malfunction while
image capturing.
• The patient must wear a lead apron with neck and thyroid protection
during X-ray exposure.
• The only patient can remain in
the shielding room during image
capturing. Do not enter the X-ray exposing area without protection.
• Children and pregnant women must consult with a doctor before X-
ray exposure.

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 12 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Pre-check points for Service Technician
The following checkpoints must be confirmed before performing the next procedure.
No. Check Point Pass Fail
1Do the equipment power, and PC condition work fine? □□
2Is the power off before the equipment repair begins? □□
3Is the voltage range indicated back of the equipment observed properly? □□
4Is the equipment grounding connection working fine? □□
5Are there any unnecessary accessories that can affect the X-ray exposure
condition?
□□
6Are at least two operators ready to start operation with enough
understanding of the equipment?
□□
7Are all required tools ready? □□

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 13 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
Chapter 1. Hardware Part Service Guide
1. vatech A9(PHT-30CSS) System Block Diagram

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 14 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
2. vatech A9(PHT-30CSS) Board Configuration
The position of the board mounted on the equipment is as follows.
2.1. Vertical Frame Part

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 15 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
The following boards are mounted on the vertical unit.
MCU028 board
Ethernet Grabber
Power board
Noise Filter

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 16 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
2.1.1. Ethernet Grabber
Function • 12V/24V DC Input
• RS232 to MCU
• CAN to MCU (Reserve)
• 2 Optic signal input (Tx 1550/Rx 1310)
• 1 G-Ethernet output
• 4Gbyte memory

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 17 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
2.1.2. Main MCU BOARD (MCU028)
Function • LAN communication to PC
• CAN communication to Sensor, Inverter, Key Pad
• Motor control
-Rotator 1 axis
-Generator Tilting
-Column Up/Down
-Collimator Moving
-Sensor Moving
-CEPH Sensor Moving
• Fan control
• Sensor Power On/ Off control
• Laser On/Off control
• X-Ray control
• X-Ray Warning Lamp control
• Exposure Switch detection
• MP3 control
• Sync Pulse Generation when exposing the X-ray
• Lighting LED control

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 18 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
2.1.3. Power Board (VT-PWR-016)
Function • 24V DC Output : System, Motor, Sensor, Inverter
• 380V DC Output: Generator
• Emergency Switch Input : Power Shutdown
2.1.4. Noise Filter

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098 19 / 214 COPYRIGHT© 2020 VATECH.
ALL RIGHTS RESERVED
2.2. Handle Unit
Remove the cover from the Handle Unit as shown in the image below.
Handle frame