MEK-9100 Service Training: Disassembly and Unit Description

MEK-9100 Service Training
Disassembly
And Unit
Description
1
MEK-9100 　 Service Training
　　　　　　
Required Steps Before Unit Replacement
(1) Run Clean Protein

The purpose of protein removal cleaning is to
remove all protein contamination and prevent
infection.
Some parts of the analyzer may be contaminated
with blood.
Run [Clean Protein] to protect yourself and ensure
your safety.
(2) Drain All
(3) Power OFF (Reset + Power OFF)
(4) Main Power OFF

2
Exterior [Front]
3
Exterior [Right Side]
4
Exterior [Left Side]
5
Exterior [Rear]
6
Composition Chart
7
Location of Units ①
⑯
⑬
⑰⑱⑲ Inside
②
① 　 PC-910W DATA PROCESSING UNIT ⑭
② 　 PV-910W FRONT PANEL UNIT ④
③ 　 AUTO LOADER UNIT
④ 　 MS-910W 　 SAMPLER UNIT
⑤ 　 MS-911W 　 OPEN AIR UNIT
⑥ 　 MS-912W OPEN LOADER UNIT
⑦ 　 MP-911W ISO PUMP UNIT ⑧
⑧ 　 MP-912W SAMPLE/RBC PUMP UNIT
⑨ 　 MP-913W IWBC/OWBC PUMP UNIT
⑩ 　 ZY-911W CUP HEATER UNIT ⑮
⑪ 　 ZY-910W TANK HEATER UNIT
⑫ 　 MH-910W 　 HGB MEASURING UNIT ⑫ ⑨
⑬ 　 MP-910W 　 PNEUMATIC UNIT
⑭ 　 MO-910W 　 LASER OPTICAL UNIT ⑥
⑮ 　 MC-910W 　 CBC MEASURING UNIT ⑦
⑯ 　 UT-7287 PRESSURE SENSOR BD
⑰ 　 JQ-910W 　 ISO CHAMBER UNIT
⑱ 　 JQ-911W 　 WASTE CHAMBER 1 UNIT ⑩
⑲ 　 JQ-912W 　 WASTE CHAMBER 2 UNIT ⑪
③
⑤ 8
　　　　　　 Disassembly 　　
MIXING cover protects the mixing unit and barcode part
Removing the MIXING cover
(1) Loosen the screw using a coin or a large flat-
blade screwdriver.
　　 (Screw will remain on the cover)
Screw
9
　　　　　　 Disassembly 　　
Removing the MIXING cover
(2) Pull out the the cover while pressing the
plastic part on the left side.
There are hooks on the bottom side of the cover; pull the cover out and then lift it up.
Plastic part on
the side
10
　　　　　　 Disassembly
Removing the FRONT cover
　 (1) Remove the screws at 2 locations.
　　　　
Screw: BH (with washer) 3×8
Screw: BH (no washer) 3x8
11
Removing the FRONT cover
Shift
　　 (2) Shift the cover towards the right
of the analyzer until it is close to
the plate.
　　 (3) Pull the cover slightly forward.
　　　　
Pull the cover forward

12
Removing the RIGHT cover
　　 (1) Remove the rubber cap and then remove the screw
inside it.
　　　　
Screw: BH (no washer) 3x8
13
　　 (2) Remove 9 screws.
　　　 Reagent case-side:
Screw: BH (with washer) 3×8 7 pcs
　　 Open the reagent case:
Screw: BH (with washer) 3×8 2 pcs
14
　　 (3) Shift the cover in the direction of the arrow
　　　　　 shown in the illustration below to release the hooks.
15
Removing the LEFT cover
　　 Remove 8 screws to remove the left cover.
　　　 Screw: BH (with washer) 3×8 8 pcs
When removing the screws, take

care not to let the cover fall.
16
Removing the TOP cover
　　 Remove 4 screws.
　　　　　 Screw: BH (with washer) 3×8 4 pcs
Remove the top cover by shifting it in

the directions of the arrows (up then sideways)
as shown in the illustration below.
17
Removing the SD access cover
　　 Remove 3 screws to remove the cover.
　　　　　 Screw: BH (with washer) 3×8 3 pcs
18
Removing the REAR panel
　　 Remove 14 screws and loosen 3 screws.
　　 Screw: BH (with washer) 3×8 17 pcs
Loosen 19
Removing the AUTOLOADER cover
　　 Remove 3 screws to remove the cover.
　　　　　 Screw: BH (no washer) 3×8 3 pcs
20
PCBs on the BD HOLD PLATE
・ UT-7284 　 DRIVER BD
・ UT-7283 　 ANALOG BD
・ UT-7282 　 MAIN 　 BD
21
Remove the BD HOLD PLATE.
　 (1) Disconnect all the connectors from the MAIN BD and ANALOG BD.
　 (2) Remove 6 screws that are securing the plate.

Screw: PS 3×8 6 pcs
　 (3) Release the black latches at 2 locations.
22
　 (4) Shift the BD HOLD PLATE forward.
　 (5) Disconnect all the connectors from the DRIVER BD.
There are 19 cables that connect to the DRIVER BD.

The connectors for cables are all on the interior side of the PCB except for
the power cable. 23
　 (6) Remove the stopper cables from the housing side.
　　　　　 Screw: PS 3×8 2 pcs
Be careful not to drop the screws.
24
DRIVER BD (UT-7284)
　 Remove 9 screws from
the DRIVER BD.
　　　 Screw: PS 3×8 6 pcs
　　　 Screw: PS 2.5×6 3 pcs
Use a precision screwdriver when

removing PS 2.5×6 screws.
Pull the DRIVER BD straight up as it is connected

directly to the MAIN BD via the
connector.
25
UT-7284 - DRIVER BD
[Functions]
 Controls 29 valves, 8 stepping motors, and
1 compressor.
 Relays +5V and +24V power.
 Monitor and transmit signals to MAIN BD -
24 position sensor statuses, 4 float sensor
statuses, sensor statuses from
CONNECTION BD and sensor statuses
from SAMPLER SENSOR BD.
 Actuator control signals and motor driver
IC reset signals are supplied from MAIN
BD. Control signals are sent to the
respective driver circuits via a buffer.
26
ANALOG BD (UT-7283)
　 Remove 7 screws from the ANALOG BD.
Pull the ANALOG BD straight up as it is connected directly to the

MAIN BD via the connector.
* The ANALOG BD can be removed

without taking off the BD HOLD PLATE.
27
UT-7283 - ANALOG BD
[Functions]
 PCB that is responsible for loading
analog data.
 Data from CBC Measuring Unit, Laser
Optical Unit, HGB Measuring Unit and
Cup Heater Unit are loaded,
converted to digital data and
transmitted to MAIN BD.
 Amplifies the clog removal signals
from MAIN BD and applies the clog
removal voltage to CBC Measuring
Unit.
28
MAIN BD (UT-7282)
　 Remove the screws from the MAIN BD.
　　　　 Screw: PS 3×8 5 pcs
　　　　 Nut + Washer: M3 3 pcs 　
　　　　 Spacer bolt: 2 pcs
MAIN BD cannot be removed before removing the ANALOG BD and DRIVER BD.29
UT-7282 - MAIN BD
[Functions]
 PCB that is responsible for controlling actuators, display and
indicators. Process measurement and external input/output signals.
 Motor control, valve control and sensor status monitoring, which
are responsible for unit operation via DRIVER BD.
 Heater control and temperature monitoring via PRESSURE
SENSOR BD.
 Autoloader control
 Performs autoloader control via serial communication. Inputs
status signals and controls output signals for power control,
etc.
 Interface with GUI control unit
 LCD and touch panel controls are performed by DATA
PROCESSING UNIT.
 The communication between this PCB and DATA
PROCESSING UNIT are achieved via Ethernet (10/100base-
TX).
 LED and key input monitoring is performed via the Indicator BD
and KEY BD.
 Analog control
 Controls the A/D converter implemented in ANALOG BD and
obtains the A/D conversion value for measurement data.
30
CUSTOM POWER UNIT 2H213W
　 (1) Remove 6 screws from
the cover.
　　　　 Screw: PS 3×8 6pcs
　 (2) Remove the CUSTOM
POWER SUPPLY.
　　　　 Screw: PS 3×8 3pcs
　　　　 Spacer bolt: 6 pcs
　　　　 Connector: 7 pcs
　　　　　
31
UT-7288 　　 BACK PANEL BD
　 (1) Remove the cables.
　　　　　 USB: 　　　 2 pcs
　　　　　 D-SUB: 　　 1 pc
　　　　　 LAN: 　　　 1 pc
Disconnect the USB cables from

the BACK PANEL BD side.
Disconnect the D-SUB and LAN ②

cables from the PC-910W side.
　
* The D-SUB cable is screwed on.
Use a precision screwdriver to remove the screws.
Be careful not to lose the screws as it is unique to the D-SUB cable.
32
BACK PANEL BD
　 (2) Loosen/Remove the screws.
　　　 Screw: To be loosened PSW 3×8 2 pcs
　　　 Screw: To be removed PS 3×8 2 pcs
(3) Slide the whole plate off with the
BACK PANEL BD attached.
(4) Disconnect 2 remaining cables.
　　　　　 LAN: 　　　 1 pc
　　　　　 D-SUB: 　 1 pc
33
UT-7288 - BACK PANEL BD
[Functions]
 PCB that is responsible for relaying signal input to and output from DATA
PROCESSING UNIT.
 USB (2ch)
 Ethernet (1ch)
 RS-232 (1ch)
 Connects to external connecting devices, including barcode reader,
printer, hub and other network devices.
34
CONNECTION BD
　 Remove the CONNECTION BD.
　　　 Connector: 1 pc
　　　 Screw: PS 3x8 2 pcs
35
UT-7292 - CONNECTION BD
[Functions]
 PCB that is responsible for transmitting
the ON/OFF signals from the waste
sensor (optional product) to DRIVER BD.
36
PC-910W 　 DATA PROCESSING UNIT
　 (1) Loosen 4 screws, and shift the ACCESS COVER in
the direction of the arrow to remove it.
　　　　 Screw: PSW 3×8 4 pcs
37
PC-910W 　 DATA PROCESSING UNIT Press
(2) Disconnect 3 connectors
　 * The 2 white connectors have hooks.
　　　 Disconnect the connectors while pressing on the hooks.
Press
38
　 (3) Disconnect 2 relay connectors.
　 (4) Disconnect 3 remaining cables.

LAN: 1 pc
USB: 2 pcs
39
　 (5) Remove 4 spacer bolts.
　　　
* Be careful not to catch or pinch

any cable when lifting up the unit.
40
PC-910W - DATA PROCESSING UNIT
[Functions]
 LCD screen control
 Touch panel control
 Measurement data analysis
 Input/Output with external interfaces
 Measurement data storage
[Specifications and External Interfaces]

 CPU ： N2600 (1.6GHz) Intel
 Memory ： 2GB PC3-8500 (DDR3-1066)
 LVDS : 800600 18bit
 SATA : Serial ATA 1.0a/II
 LAN ： 10/100Base-T interface 2ch
 USB : USB2.0 2ch
 Serial Port : RS232C 3ch
 Battery ： CR2032 FDK
 CPU cooler ： DLR-4C11B-N2-GP CoolerMaster
 SSD capacity ： 8 GB pre-installed with Windows7RT
41
PV-910W 　 FRONT PANEL UNIT
　 (1) Disconnect the relay
connector.
　 (2) Remove 4 screws.
Screw: PSW (black) 3×16 3 pcs
Screw: BH (no washer) 3×8 1 pc
Remove the relay

connector
Hook
BH no washer 3×8
42
PV-910W 　 FRONT PANEL UNIT
(3) Remove 4 screws.
　 Screw: PSW (black) 3×8 4 pcs
(4) Remove the unit.

　　　　
43
PV-910W - FRONT PANEL UNIT
[Functions]
 Displays data, emits buzzer sounds, allows switch
input,
LED indicators lights, etc.
44
AUTOLOADER 　
　 (1) Remove the plate.
　　　 Remove 2 screws from the front panel.
　　　　　　 Screw: PSW 3×8 2 pc 　
Loosen 2 screws on the side of the analyzer, slide the plate forward and out.
Screw: PSW 3×16 2 pcs
Remove these Loosen these

2 screws 2 screws
Plate
45
AUTOLOADER 　
　 (2) Disconnect 2 cables.
Open 2 clamps.
Disconnect 2 connectors.
46
AUTOLOADER 　
　 (3) Remove the screws.
　　　 Remove 8 screws that are securing the AUTOLOADER.
　　　　　 Screw: PSW 4×8 1 pc
　 (4) Remove the AUTOLOADER.
　　　 Pull the unit forward.
47
AUTOLOADER
[Functions]
 Moves the rack to its designated position.
 Detects whether there are sample tubes in the
rack.
 Using the built in barcode reader, read the
barcodes on the sample tubes and rack.
 Grips the sample tubes to mix blood samples
(turns the tube upside down).
48
MS-910W 　 SAMPLER UNIT 　
　 Remove MS-910W and MS-911W at the same time.
MS-911W cannot be removed

without removing MS-910W.
Separate the two
after removing them.
[NOTE]
Both MS-910W and
MS-911W have sharp
needle tip.
Take due caution to
prevent needle-stick
accidents.
49
　 (1) Remove the cup tray.
　　　　 Release the 3 black latches for the tray.
　　　　 Pull out the tray in the direction of the arrow.
Release the latches
50
　　　　　　
Disassembly
　 (2) Remove 3 connected tubes.
　　　　 1 tube connected to the sample needle
　　　　　　 Tube: 1-1
　　　　 2 tubes connected to sample needle rinsing unit
　　　　　　 Tube: A22 and A23
[Note] Do not mistake the tube connection.
Place a mark on the tube before removing.
A22
A23
1-1
51
　 (3) Move 3 tubes to the front side.
　　　　 Pass the 3 tubes through the grommet to the front.
　 (4) Disconnect 3 sensor connectors.
　　　　 Disconnect 3 sensor connectors.
　　　　 Pass the cables outside of the sampler unit.
[Note] Take care of the needle when the sampler is moved.
52
　 (5) Disconnect the motor connector.
　　　　 Pass the cables outside of the sampler unit.
　 (6) Disconnect the sampler sensor BD connector.
Pass the cables through the grommet and push them inside the analyzer.
53
　　　　　　
MS-911W 　 OPEN AIR UNIT 　
Disassembly
　 (7) Remove the rinsing tubes.
Loosen the screw using a precision screwdriver in order to remove the tube.
Use a coin or a large flat-blade screwdriver to remove the screw.
　　 Disconnect 3 tubes.
Tubes: ORN-U, ORN-D, No Label
Pull the tubes out from the holes that
they pass through.
　　　　　　　
No
Label
ORN-D ORN-U 54
MS-911W 　 OPEN AIR UNIT 　
　 (8) Disconnect 3 connectors.
Disconnect 2 sensor connectors.
Disconnect the motor connector. 　　　　
Sensor
Motor
55
Screw: PS (black) 3×8 5 pcs 　　　
56
　 (10) Release the hook.
Lift the unit up slightly to release it from the hook on the Hook
housing. Hold the unit diagonally as shown in the picture.
　 (11) Disconnect the connector.
Disconnect the connector located on the back side of the
sampler unit.
57
Remove MS-911W from MS-910W.
　　　 Screw: PS (black) 3×8 3 pcs
58
MS-910W - SAMPLER UNIT MS-910W
[Functions]
 Dispenses diluted samples into cups in
coordination with the diluter unit.
 Moves the sample needle to its designated
positions.
 The sample needle has pencil shaped tip. It
prevents the suction of rubber dust and clogging
will be minimized.
 Rinse mechanism without O-ring. (Previous
Celltac models with O-ring). Sample needle
 One nozzle aspirates and dispense all blood 　　　　　　　　
sample. (MEK-8222 has two sampling nozzles.)
Symbol in flow diagram 59

MS-911W - OPEN AIR UNIT
[Functions]
 Adjusts the pressure inside the sample tube set in the
autoloader to 1 atmospheric pressure by puncturing it with a
vent needle.
　 (The pressure inside of the sample tube must be adjusted to
the same pressure as outside because the amount of blood
sample in the sample tubes varies. If the pressure is not
adjusted to 1 atmospheric pressure, it may affect the amount
of blood being aspirated.)
Symbol in flowdiagram
60
MS-912W 　 OPEN LOADER UNIT 　
Screw: PS (black) 3×8 5 pcs
Screw: PSW (black) 3×12 1 pc
　 (2) Pull the unit forward.
For sensor: 2 connectors
For motor: 1 connector
61
MS-912W - OPEN LOADER UNIT
[Functions]
 Allow measurement using small-quantity sample
containers in cases where a vacuum sample tube
cannot be used for measurement.
 Allow measurement of STAT (urgent) samples.
 For Protein Cleaning.
62
MP-911W 　 ISO PUMP UNIT 　 ISO-U
　 (1) Remove 2 tubes.
　　　 Tubes: ISO-U and ISO-D

　　　 Screw: PS (black) 3×12 3 pcs
ISO-D
[Note]
Some fluid will come out
from the cylinder when
removing the tubes.
* Be careful not to bend the cylinder block connectors when removing tubes. 63
MP-911W 　 ISO PUMP UNIT 　
　　　 For sensor: 3 connectors
　　　 For motor: 1 connector
[Note]
After the unit is removed, keep it
laid to prevent the unit from falling
which will result in the cylinder
block connectors being broken. 64
MP-911W 　 ISO PUMP UNIT
・ CYLINDER BLOCK ASSY(ISO)

　　　 Screw: BH 3×8 4 pcs
CYLINDER BLOCK ASSY(ISO)

Code: RPA-6112911268
65
MP-911W - ISO PUMP UNIT
[Functions]
 Moves the cylinder up and down using the motor to
dilute samples and aspirate / dispense diluent for
mixing.
 IWBC (about 220 times dilution)
 RBC (about 500 times dilution)
 OWBC (about 100 times dilution)
 Aspirates and dispenses diluent for cleaning cups, and
aspirates / dispenses detergent for cleaning.
 When the sample needle is raised, ISO pump unit
dispenses for the rinse.
 After the sample needle is raised, the positive
pressure of ISO chamber dispenses diluent for
rinse.
 During protein cleaning, this pump dispenses
CLEANAC810 to fluid path.
 When this pump unit is replaced,
it is necessary to calibrate the analyzer.
Symbol in flow diagram
66
MP-912W SAMPLE/RBC PUMP UNIT
　 (1) Remove the tubes.
　　　 Tubes (SAMPLE PUMP): S-P-U and S-P-D
　　　 Tubes (RBC PUMP): R-P-U and R-P-D
　　　 Screw: PS (black) 3×12 3 pcs each
S-P-U R-P-U
R-P-D
S-P-D
* Be careful not to bend the cylinder block connectors when removing tubes. 67
　 (4) Disconnect the connectors.
　　　 For sensor: 2 connectors each
　　　 For motor: 1 connector each
68
・ CYLINDER BLOCK ASSY(SAMPLE/RBC)

　　　 Screw: BH 3×8 2 pcs each
　 (2) Pull the assy out.
Code:
RPA-6112911271
69
MC-910W 　 CBC MEASURING UNIT
　 (3) Remove 2 tubes connected to the front valves.
　　　　 Tubes: 8-1, 9-1
8-1 9-1
70

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MEK-9100 Service Training

(1) Run Clean Protein

(3) Power OFF (Reset + Power OFF)

(4) Main Power OFF

Screw: BH (with washer) 3×8

Screw: BH (no washer) 3x8

of the analyzer until it is close to

Pull the cover forward

Screw: BH (no washer) 3x8

When removing the screws, take

Remove the top cover by shifting it in

(2) Remove 6 screws that are securing the plate.

There are 19 cables that connect to the DRIVER BD.

Be careful not to drop the screws.

Use a precision screwdriver when

Pull the DRIVER BD straight up as it is connected

Pull the ANALOG BD straight up as it is connected directly to the

* The ANALOG BD can be removed

Disconnect the USB cables from

Disconnect the D-SUB and LAN ②

(4) Disconnect 3 remaining cables.

* Be careful not to catch or pinch

[Specifications and External Interfaces]

Remove the relay

(4) Remove the unit.

Remove these Loosen these

MS-911W cannot be removed

Release the latches

Symbol in flow diagram 59

(2) Remove 3 screws.

・ CYLINDER BLOCK ASSY(ISO)

CYLINDER BLOCK ASSY(ISO)

・ CYLINDER BLOCK ASSY(SAMPLE/RBC)

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　 (2) Remove 6 screws that are securing the plate.

　 (4) Disconnect 3 remaining cables.

　 (2) Remove 3 screws.