NEPTUNE ELECTRONIC VENTILATOR TECHNICAL MANUAL
2nd edition January 2006
MEDEC BENELUX NV
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronically, mechanically, by photocopying, recording or otherwise, without the prior written permission of Medec Benelux NV.
Medec Benelux NV reserves the right to change specifications without prior notification. Careful attention has been paid to the compilation of this publication.
Medec Benelux NV Lion D’Orweg 19 9300 Aalst Belgium Telephone: (32) 53 / 70.35.44 Fax : (32) 53 / 70.35.33 Website : www.medecbenelux.be E-mail :
[email protected]
2nd edition January 2006
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronically, mechanically, by photocopying, recording or otherwise, without the prior written permission of Medec Benelux NV.
Medec Benelux NV reserves the right to change specifications without prior notification. Careful attention has been paid to the compilation of this publication.
Medec Benelux NV Lion D’Orweg 19 9300 Aalst Belgium Telephone: (32) 53 / 70.35.44 Fax : (32) 53 / 70.35.33 Website : www.medecbenelux.be E-mail :
[email protected]
2nd edition January 2006
User responsibility
The equipment described in this manual has been built to confirm with the specifications and instructions stated in this manual. To ensure proper and safe operation of the equipment, it must be checked and serviced at least according to the minimum standards laid out in this manual.
The equipment must be repaired and serviced only in accordance with written instructions issued by Medec Benelux N.V. and must not be altered or modified in any way without written approval of Medec Benelux N.V. The user of this equipment shall have the responsibility for any malfunction which results from i mproper use, maintenance, repair, damage or alteration by anyone other than Medec Benelux N.V. or its appointed agents.
The Neptune anaesthesia combination has been specially developed for anaesthetic applications.
The system is built around the so-called bag in bottle principle. This system has for many years proved to be a reliable and safe system. One important aspect in this connection is that the gas exchange of the patient is completely separated from the machine by use of the bag mentioned. Another important aspect is that the Neptune anaesthesia system, whatever catastrophe might occur (compressed air, mains voltage failure or technical problems), always goes into the spontaneous / manual respiration mode. This way, the (manual) respiration of the patient is always guaranteed as long as the fresh gas supply is assured.
The Neptune anaesthesia system may only be used in anaesthetic rooms which are conducting and are provided with proper ventilation and electrical wiring. The Neptune anaesthesia system may only be used in anaesthetic rooms conform with EN60601-1-2 level. RS232 output (optional) may only be used with devices conform with EN60601-1-2 level.
Table of Contents 1. Electronic system 1.1 Electronic system overview 1.2 Power supply 1.2.1 Replacing the AC mains fuses 1.2.2 Block diagram 1.2.3 Schematic diagram 1.2.4 Power supply board layout 1.3 Backplane board 1.3.1 Block diagram 1.3.2 Schematic diagram 1.3.3 Backplane board layout 1.4 MMI board 1.4.1 Block diagram 1.4.2 Schematic diagram 1.4.3 MMI board layout 1.4.4 Build-in test software 1.4.5 Graphics display 1.5 O2 measurement 1.5.1 General 1.5.2 Operation 1.5.3 O2 measurement specifications 1.6 Master board 1.6.1 Block diagram 1.6.2 Schematic diagram 1.6.3 Build-in test software 1.6.4 Master board layout 1.7 Pneumatic board 1.7.1 Block diagram 1.7.2 Schematic diagram 1.7.3 Built-in test software 1.7.4 Pneumatic board layout 2. Pneumatic system 2.1 Pneumatic diagram 2.2 Manual/Spontaneous mode (MAN) 2.3 Controlled mandatory ventilation (CMV) 2.4 Pressure controlled ventilation (PCV) 2.5 Peep 2.6 Flush safety 2.7 Mechanical construction 2.7.1 Patient breathing unit 2.7.2 Bottle 2.7.3 Supply tank 2.7.4 Solenoid valves
1 5 5 8 11 12 14 16 17 19 25 27 53 54 54 55 56 58 61 69 70 72 77 85 86 88 90 92 94 94 95 99 101 102
3. Maintenance and calibration 3.1 Visual inspection 3.2 Battery backup 3.3 The calibration menu 3.4 The pressure transducers 3.5 The pressure regulators 3.6 The flow regulators 3.7 O2 flush 3.8 The input pressure switches 3.9 The bottle safety valve 3.10 Peep valve calibration 3.11 Valve test 3.12 Performing a leaktest 3.12.1 Entering the leaktest menu 3.12.2 Performing the leaktest 3.12.3 Leaving the leaktest menu 3.13 Maintenance instructions 3.14 Parts list 4. Classification and discard 4.1 Classification 4.2 Discard 5. Inspection 5.1 Visual inspection 5.2 Other inspections 6. Troubleshooting A. Checklist Neptune B. List replaced parts
103 104 105 108 113 116 118 119 124 125 127 130 132 135 136 141 142 143 144 145 148 165 166
1. ELECTRONIC SYSTEM
1.1 ELECTRONIC SYSTEM OVERVIEW
The Neptune contains several electronic printed circuit boards, which are located on different locations in the machine.
Electronic system overview
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•
Mains AC input
The AC inlet at the back of the ventilator contains a fuse holder and power switch. The AC mains voltage is connected to the AC/DC converter board.
•
AC/DC converter board
The AC/DC converter board converts the AC mains voltage to +24V DC voltage. The +24V DC is fully isolated from the AC mains voltage to ensure safe working conditions.
•
DC/DC power supply
The DC/DC power supply board generates different DC voltages and controls the battery charging current. A special battery controller device will charge the battery as safe as possible and under the best conditions to have a long battery lifetime. The DC/DC power supply output voltages are: o o o o
•
+5V DC +12V DC +24V DC +12V DC
Extendable system set
The extendable system set consists of 4 different boards that are connected by means of 2 elevated multiple pins connectors: o o o o
MMI board Backplane board Master board Pneumatic board
The 4 different boards have their own specific tasks. The MMI board, master board and the pneumatic board have one or more microprocessors and other electronic devices on board. The backplane board only contains connectors and has no microprocessor. The extendable system set is built so that further expansion of the electronics is possible by means of the elevated multiple pins connectors.
•
Backplane board
The backplane board contains buzzer, O 2 sensor, power switch and power supply connectors. The power connector is connected to the DC/DC power supply. The board is distributing the different DC voltages through the ext endable system set.
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•
MMI board
The MMI board contains only one microprocessor. It’s reprogrammable so it can be upgraded if necessary. The microprocessor controls all the graphical display functions and is communicating - by means of the master board - with the pneumatic board. The microprocessor is also controlling the keyboard board, the control knob and the speaker.
•
Master board
The master board contains one microprocessor and is also reprogrammable if necessary. The master board looks after the communication between the M MI board and pneumatic board. The master board microprocessor checks the proper working of the MMI and pneumatic board microprocessors. Otherwise, the MMI board microprocessor checks the proper working of the master and pneumatic board microprocessor and the pneumatic board microprocessor checks the MMI and master board microprocessors. Each microprocessor is checking the other microprocessors for errors or malfunctions, which makes the ventilator a very safe system. Once an error is found, the electronics stop working and a continuous beep is audible.
Note:
•
The ventilator automatically switches over to manual mode after an error or malfunction is detected.
Pneumatic board
The pneumatic board contains one microprocessor. This microprocessor is reprogrammable for upgrades if necessary. The pneumatic board of course controls the pneumatic functions of the ventilator. There are six pressure transducers mounted on the board for measuring all kinds of parameters. The pneumatic board also drives the electrical valves on the manifold and bottle. The microprocessor receives settings from the MMI board and processes the values. The pneumatic board microprocessor sends information back to the MMI board like e.g.: actual airway pressure, alarms, patient status values, etc.
•
Keyboard board
The keyboard board contains several switches and leds for interaction between the operator and the electronic system. The keyboard board is connected to the MMI board and processed by the microprocessor on the MMI board.
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•
Graphical display
The graphical display shows all kind of information. It consists of menus, settings, parameters, graphs, etc. The display is also responsible for interaction between the operator and the ventilator electronics. Along with the keyboard switches and leds, they form the operator’s interface.
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1.2 POWER SUPPLY
The AC mains inlet at the back of the ventilator is equipped with a power switch and a fuse holder block. The fuse holder contains two fuses type 2A slow. The AC mains voltage must be in the range from 100V AC to 240V AC. The AC mains frequency must be in the range from 50 Hz to 60 Hz. These are the absolute maximum ratings for the AC mains supply.
1.2.1 Replacing the AC mains fuses
Replace the AC mains fuses by mean of the following instructions:
Note:
-
Turn off the Neptune and disconnect the power cord from the mains inlet.
-
Insert a screwdriver in the small AC receptacle and pull out the fuse holder block.
-
Replace the blown fuses and place the fuse holder block back into the AC receptacle.
-
Connect the power cord back to the AC mains inlet.
Always replace the blown fuses with the same type and ratings.
1.2.2 Block diagram
The power supply block diagram is represented on the next page.
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Block diagram power supply
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The battery-charging unit charges the battery to maintain a maximum battery capacity and life. If the AC mains supply voltage is present, the battery is charged with a maximum current of approximately 0,9 Ampere. After a while, the charging current decreases and a minimum trickle current of 0.09 Ampere flows through the battery. To guarantee full recharge of an exhausted battery, connect the ventilator to the mains supply for at least a couple of hours.
Note:
The switch at the back of the ventilator must be turned ON to activate the battery charging.
Note:
The ventilator uses high voltages, capable of causing personal injury. Do not touch the AC mains voltage electronics during operation.
If an AC mains power failure occurs, the power supply automatically switches over to
The battery-charging unit charges the battery to maintain a maximum battery capacity and life. If the AC mains supply voltage is present, the battery is charged with a maximum current of approximately 0,9 Ampere. After a while, the charging current decreases and a minimum trickle current of 0.09 Ampere flows through the battery. To guarantee full recharge of an exhausted battery, connect the ventilator to the mains supply for at least a couple of hours.
Note:
The switch at the back of the ventilator must be turned ON to activate the battery charging.
Note:
The ventilator uses high voltages, capable of causing personal injury. Do not touch the AC mains voltage electronics during operation.
If an AC mains power failure occurs, the power supply automatically switches over to battery supply. You can work approximately 1 hour on battery supply. The batterycharging unit monitors the battery voltage and checks for a battery voltage lower than 10,5 Volt. If the battery voltage is getting lower than 10,5 Volt, the power supply electronics is disconnected from the battery to prevent a totally exhausted battery. A totally exhausted battery will shrink the battery lifetime enormously. An audible alarm is activated during 20 seconds after the ventilator shuts off because of an empty battery. The power supply board is equipped with 5 fuses: - battery - +5V DC - +12V DC - +24V DC - +12V DC
fuse F1: fuse F2: fuse F3: fuse F4: fuse F5:
3,15A slow 3,15A slow 3,15A slow 3,15A slow 3,15A slow
The green LEDs indicate if a voltage is present: -
LED D19 indicates the +24V DC input voltage from AC/DC converter LED D14 indicates the +5V DC output voltage LED D15 indicates the +12V DC output voltage LED D16 indicates the +12V DC output voltage LED D17 indicates the +24V DC output voltage
The +24 Volt DC output voltage is not available when working on battery. This means that LED D19 and D17 aren’t lit in this situation. You can rapidly determine a blown fuse by taking a look at the LED indicators. There is no LED indicator provided on the battery input voltage to prevent a waste of battery power.
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The power supply board is provided with four connectors: •
Connector P3:
Pin number
Description +24V DC input voltage +24V DC input voltage GND GND Battery + input voltage Battery – input voltage
Pin number
Description +5V DC output voltage GND +12V DC output voltage GND +24V DC output voltage GND
Pin number
Description +12V DC output voltage +12V DC output voltage GND GND
1 2 3 4 5 6
•
Connector P1:
1 2 3 4 5 6
•
Connector P2:
1 2 3 4
•
Connector P4:
Pin number Description 1 AC mains LED indicator voltage 2 Ventilator ON/OFF switch input 3 Ventilator ON/OFF switch input
1.2.3 Schematic diagram
The schematic diagram of the power supply is represented on the following pages.
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1
2
3
4
+24V DC INPUT P3 +24V
1
+24V
2
D
GND
D19 R36 10K GREE
C8 100N/40
GND
4
BAT+
5
BAT-
6
GND
GND +VBA
F1
Q8 BD242
R8
3
+24v
MBR36
R9 107K R12 R470
D2
294K R13
+12V 14
SW_ON_OFF
C
11 3 7
S CLK D R
12 14
GND 13 12
Q Q
2
D12 1N414 C3 10µF/25
D13
U3C +12V
R16 100K
+12V
GND
9 R1 93K1
CD409 7
BZ X7 9C R14 20 1k
R18 100
+12V
Q3 BS17
B B1
GND
100N
Q6
+24v GND
GND
GND
+12V D11 1n414
GND
BS25 R2 13k
+12V
R4 100K
14 U3B
3 2 14 15 8 5 6 12 11
+12V
4 R6 18k
6 CD409
A
C1 1µF/25
GND C7 100N/40
4
U1
R3 1k2
+12V
5
7
IN+ ININ+ INFB IN+ OP1 IN- OP1 IN+ OP2 IN- OP2
GND V+ OUT
1 16
OUT
9 7
CATHOD OUT
10
OUT
GND
Q7
U4A CD4013
+12V 14 6 3 5 4
S CLK D R
R17 100K
7
VCC GND
GND Title
C9 10µF/25
GND
GND
GND
GND
Size GND
1
GND
Da te : File:
2
BS25
GND
GND
A
POWER SUPPLY Number
Revisio
PSU042000V1
6 -J an -2 00 3 C :\ DO CUM EN T\ .. \p su 04 20 00 v1
S hee t 1 o f 2 D ra wn JP - KDP
3
Neptune ventilator
C6 2200µF/25
GND 1 2
Q Q
V13
R7 R243
BUZZE
GND
LM61
A4 GND
R20 R330
10
C5
7
BS25
13
8
2 CD409
100R
+24V
GND
+12V
R23
1
CD409
7
VCC GND
8 11 9 10
Q5
+12V 14
CD4013
U4B
3
C2 1µF/25
MBR36
GND
R11 23k
1
680K
SW_ON_OFF
SW_ON_OFF 47 0K Q2 BS17
R10 R787
U3D
14U3A
R22
MBR36
+24V
BS17
SW5V
SW_ON_OFF
GND
GND
3
SW12
GND
+12V
1
+12Vou
SW5V R19
C4 100N
D SW16
+12Vou SW12
Q1 16 15 14 13 12 11 10 9
R5 1M
2
D1
D3
+12V
B
MBR36
2
+12V
KEYBOAR P4
D5 +24V
UC390
+16Vou
1
R21 22K
MBR36
c/sd.si. c/ld.so. c/s+ comp. v.in vol.sens c/s char.en. o.c.t. trik.bia gnd st.lev.con o.ch.ind p.i.
GND
POWER regulators.sc
D4
R0.2
C
MBR36 SW16
Q9 RFP30P0
GND
U2
D6
+16Vou
3.15A/
2 4 3 5 1 8 6 7
MBR36
+24V
3
GND
+24V
D7
+24v
4
Technical manual
9
1
2
3
4
Q10 RFP30P05 3 D
POWER SUPPLY +16Vout SW16V SW_ON_OFF2 +12Vout SW12V SW5V SW_ON_OFF1
+16Vout SW16V SW_ON_OFF2 +12Vout
1 DC OUTPUT CONNECTOR 2
R34 100K
U7
2
5 R35 100K
+ C12 470µF/63V 1
LT1074CT
Vin
FB
D N G 3
GND
SW_ON_OFF1
Q4
3.15A/T
+16V 2
R30
2
GND
D10 MBR745
+16V
R29 2K7
9090
3 GND 4
R33 2K7
C15 1000µF/50V
R31 1500
C19 GND
BS170
D
P2 1
68µH
c V
SW12V SW5V
4
Vsw
F5
L3
GND
N E E R G
D16
10N
GND
D18 20V
GND
GND GND
C 1 4 5
U5 MIC4576BT 2 IN OUT D FB N ON/OFF G
+24v
F3
F4
3.15A/T
3.15A/T
C17 R24 MBR360
GND
GND
68µH
3
GND
GND
L1
D8
+ C10 470µF/63V
GND
3.3N/63V
13K
N E E R G
D15
GND
R32 10K
R28 2K7
C13 1000µF/50V
R25 1K5
C
N E E R G
D17
GND GND
GND DC OUTPUT CONNECTOR 1 P1
B
GND 1 4 5 + C11 470µF/63V
U6 MIC4576BT 2 IN OUT D FB N ON/OFF G
68µH
3.15A/T
D9 C16
3
GND
F2
L2
C14 R27
R15 1K
GND
6
GND
5
+24V
4
GND
3
+12V
2
GND
B
1
2
3
4
Q10 RFP30P05 3 D
POWER SUPPLY +16Vout SW16V SW_ON_OFF2 +12Vout SW12V SW5V SW_ON_OFF1
+16Vout SW16V SW_ON_OFF2 +12Vout
1 DC OUTPUT CONNECTOR 2
R34 100K
U7
2
5 R35 100K
LT1074CT
Vin
+ C12 470µF/63V 1
FB
D N G 3
GND
SW_ON_OFF1
Q4
3.15A/T
+16V 2
R30
2
GND
D10 MBR745
+16V
R29 2K7
9090
3 GND 4
R33 2K7
C15 1000µF/50V
R31 1500
C19 GND
BS170
D
P2 1
68µH
c V
SW12V SW5V
4
Vsw
F5
L3
GND
N E E R G
D16
10N
GND
D18 20V
GND
GND GND
C 1 4 5
U5 MIC4576BT 2 IN OUT D FB N ON/OFF G
+24v
F3
F4
3.15A/T
3.15A/T
C17 R24 MBR360
GND
GND
68µH
3
GND
GND
L1
D8
+ C10 470µF/63V
GND
3.3N/63V
13K
R25 1K5
D17
N E E R G
N E E R G
D15
GND
R32 10K
R28 2K7
C13 1000µF/50V
C
GND GND
GND DC OUTPUT CONNECTOR 1 P1
B
GND 1 4 5 + C11 470µF/63V
U6 MIC4576BT 2 IN OUT D FB N ON/OFF G
68µH
3.15A/T
MBR360 3.3N/63V
R27 R4530
GND
GND +12V
1000µF/50V
2
GND
1
+5V
GND
GND Size A4 D ate : File: 1
2
Neptune ventilator
1.2.4 Power supply board layout
3
10
GND
N E E R G
GND
B
GND
Title
A
+24V
3
GND
R26 1K5
GND
5 4
R15 1K
D14 GND
6
C14
D9 C16
3
GND
F2
L2
POWER SUPPLY - REGULATORS Number
PSU042000V1
6 -J an -2 00 3 C:\DOCUMENT\..\regulator s.sch
A
Revision
S he et 2 o f 2 Drawn By: JP - KDP 4
Technical manual
1.2.4 Power supply board layout
Note:
Fan drive output voltage indicated by D16 = 12 Volt
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1.3 BACKPLANE BOARD
1.3.1 Block diagram
The block diagram of the backplane board is represented on the next page. The DC voltages coming from the power supply are distributed on the backplane board. Connector P1 is the connection to the power board. Connector P2 and P3 are supplying the extendable system set of electrical power. Connector P5 is the power on/off connection to the power supply (P4). Connector P4 connects to the MMI board through a flatcable. Connector P6 is used to connect the buzzer and the O 2 sensor.
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Block diagram backplane board
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1.3.2 Schematic diagram
The schematic diagram of the backplane board is represented on the next page.
Technical manual
1.3.2 Schematic diagram
The schematic diagram of the backplane board is represented on the next page.
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Neptune ventilator
1.3.3 Backplane board layout
15
Technical manual
1.3.3 Backplane board layout
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1.4 MMI BOARD
1.4.1 Block diagram
The block diagram of the MMI board is represented on the following page. There is only one microprocessor provided on the MMI board. This main microprocessor controls the control knob, the keyboard, the speaker sound, LCD and the communication. It is reprogrammable by means of the programming interface connector P1. All the graphical data is stored in the flash memory. This flash memory is also reprogrammable with the use of connector P1. The RAM memory is used as video memory. The video memory is copied through the LCD data bus to the on-board LCD controller. The LED indicators are located on the top of the MMI board and consist of four LEDs: one green LED and three red LEDs. They give you helpful information when an error occurs. More about errors and malfunctions of the ve ntilator is described later in this manual. The main microprocessor is communicating with the master board by means of connector P2. The MMI board sends to and receives information from the master board. The master board can transmit to and receive data from the pneumatic board. In this way the MMI board is communication with the pneumatic board.
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Block diagram MMI board
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1.4.2 Schematic diagram
The schematic diagram of the MMI board is represented on the following pages.
Technical manual
1.4.2 Schematic diagram
The schematic diagram of the MMI board is represented on the following pages.
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1
2
3
4 VCC
7 SEG-LED BAR
RS485 DRIVER
MEMORY
VCC VCC
7SEG - LED MMI_LED.sch
SPI
MEMORY
MMI_SPI.sch
MMI_MEMORY.sch
R5 1K5
R6 1K5
R7 1K5
R8 1K5
R1 R2 R3 R4 100K 100K 100K 100K
D
D1
D2
D3
D4
C5
C3
C4
100N
100N
100N
D
SW1 PF4 PF5 PF6 PF7
LCD LCD
1 2 3 4 5
10 9 8 7 6
16MHz X1
MMI_LCD.sch
PB7 PB6 PB5 PB4
GND
GND
VCC
DS-05 APEM
. t n a T V 0 1 / µ 2 , 2
Pspare 1
12P. C1
12P. C2
GND
GND
2
18 19
KB_INT ENC_B ENC_A LP BUZ_CS BUZ_ON_OFF PE1 PE0 PF7 PF6 PF5 PF4 KEY_Y3 KEY_Y2 KEY_Y1 ADC_DATA
TOSC2 TOSC1
XTAL2 XTAL1 VCC PD7(T2) PB7(OC2/PWM2) PD6(T1)PB6(OC1B/PWM1B) PD5 PB5(OC1A/PWM1A) PD4(IC1) PB4(OC0/PWM0) PD3(INT3) PB3(MISO) PD2(INT2) PB2(MOSI) PD1(INT1) PB1(SCK) PD0(INT0) PB0(ss)
32 31 30 29 28 27 26 25 9 8 7 6 5 4 3 2 54 55 56 57 58 59 60 61 52 62 63 64 53
VCC
RST
13 6
U6
CONTRAST_CS XSCL CLOCK DATA LEDBAR_CS 7SEG_CS ADC_SCK ADC_CS
B
U8C A14 5
HEADER 2X1
C
WR
GND 20
PE7(INTR7) PE6(INTR6) PE5(INTR5) PE4(INTR4) PE3(AC-) PE2(AC+) PE1(PDO/TXD) PE0(PDI/RXD)
PC7(A15) PC6(A14) PC5(A13) PC4(A12) PC3(A11) PC2(A10) PC1(A9) PC0(A8)
PF7(ADC7) PF6(ADC6) PF5(ADC5) PF4(ADC4) PF3(ADC3) PF2(ADC2) PF1(ADC1) PF0(ADC0) VCC AREF AGND AVCC GND
PA7(AD7) PA6(AD6) PA5(AD5) PA4(AD4) PA3(AD3) PA2(AD2) PA1(AD1) PA0(AD0) ATmega103L ALE RD WR GND
RESET
PEN
23 24 21 17 16 15 14 13 12 11 10
PB7 PB6 PB5 PB4 MISO MOSI PB1 SS
42 41 40 39 38 37 36 35
A15 A14 A13 A12 A11 A10 A9 A8
44 45 46 47 48 49 50 51
AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
74VHC14
A15
9 12
10
+ C22
AGND
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7
8
74VHC14
OC CLK
2 3 4 5 6 7 8 9
1D 2D 3D 4D 5D 6D 7D 8D
19 18 17 16 15 14 13 12
1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q
F_A15 F_A16 F_A17 F_A18 R_A15 R_A16
GND
1 11
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7
2 3 4 5 6 7 8 9
ADC_CS
5
VCC
6
U9B
CS_F CLOCK DATA BUZ_CS
1 2 3
3
CS_R
5
2 74VHC32
GND
OC C A0 A1 A2 A3 A4 A5 A6 A7
VCC
KEY_Y2
5
U10B
6
1
A14
2
GND
+12V 11
H
R13
13
L GND D + U E 7 3 4 5 X + N I N A I M
B
12
W
18K 7
OUT
GND
N D H S 4
CS_LCD BUZZER
8
11 KB_INT
U10D
74VHC32
2
Number
MMI 092003v1
Date: File:
24-Mar-2004 C:\G\..\MMI.sch
3
2
v1.0
Sheet 1 of 5 Drawn By: HDH 4
Technical manual
20
1
3
4
5
6
D
D
4 Mbit FLASH MEMORY
1 Mbit SRAM
U11
C
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 F_A15 F_A16 F_A17 F_A18
12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 30 1
WR RD CS_F
31 24 22
U12
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18
I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7
13 14 15 17 18 19 20 21
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 R_A15 R_A16
1 2 3 4 13 14 15 16 17 18 19 20 21 29 30 31 32 VCC
WR RD CS_R
WR OE CE AM29F040B_90EC
12 28 5
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16
I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 I/O8
6 7 10 11 22 23 26 27
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 C
WR OE CE HY628100B LLT1-70
B
B
MEMORY VCC
A
C7 100N
C8 100N
A
Revision
A4
13
Checked
MMI board
Size
74VHC32
Neptune ventilator
4K7
4 AGND
74VHC32
10
1
1,2V R12
3
BUZ_ON_OFF 3
ENC_SW 12 U10C
2
GND
D S D S V V
9 8 A15
U10A
9
74VHC32
Vin
/CS
Title
KEY_Y3
Vref
SDO
SCLK DIN CS
1
74VHC14
1D 1Q 2D 2Q 3D 3Q 4D 4Q 5D 5Q 6D 6Q 7D 7Q 74VHC573 8D 8Q
SCK
0 1 6
74VHC32 2
19 18 17 16 15 14 13 12
C
1
+12V
14
U9A
ALE
6
4
1
43 ALE 34 RD 33 WR 22
7
ADC_DATA
VCC
O2
5
U1
AGND
U4
U8A
GND
ADC_SCK
Fo
LTC2400CS8
A 4
AGND VCC
4
U7
C23 1N
U2
3
1 11
GND
74VHC32
U8B GND
2
Vout
3
VCC
ATMEGA128-16AI
KEY_Y1
C6 100N
VCC
MAX6120EUR
AGND 74VHC32
VCC
74VHC574
1
11
U9D 8
U9C
U3 1
A Title
MMI MEMORY
Checked