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Use and maintenance manual
4. TECHNICAL SCHEMATICS ELT50
ELENOS
Rif.
Value
Remarks
Description
Code
D20
LL4148
SMD Low Power Signal Diode
D21
LL4148
SMD Low Power Signal Diode
D22
LL4148
SMD Low Power Signal Diode
D23
LL4148
SMD Low Power Signal Diode
D24
5V1
SMD Diode Zener
D25
LED
SMD Light Emitting Diode
D26
LL4148
SMD Low Power Signal Diode
D27
LL4148
SMD Low Power Signal Diode
D28
NC
SMD Diode Zener
D29
NC
SMD Low Power Signal Diode
D30
LL4148
SMD Low Power Signal Diode
D31
LL4148
SMD Low Power Signal Diode
D32
LL4148
SMD Low Power Signal Diode
D33
15V
SMD Diode Zener
D34
15V
SMD Diode Zener
Q1
BC807-25L
SMD Low Power Bipolar Transistor
Q2
BC807-25L
SMD Low Power Bipolar Transistor
Q3
BC807-25L
SMD Low Power Bipolar Transistor
Q4
BC807-25L
SMD Low Power Bipolar Transistor
Q5
BC807-25L
SMD Low Power Bipolar Transistor
Q6
BC807-25L
SMD Low Power Bipolar Transistor
Q7
BC817-25L
SMD Low Power Bipolar Transistor
Q8
BDX53
Medium Power Bipolar Transistor
Q9
BC807-25L
SMD Low Power Bipolar Transistor
Q10
BC817-25L
SMD Low Power Bipolar Transistor
Q11
BC817-25L
SMD Low Power Bipolar Transistor
U1
LT1374CR
Special Function Integrated Circuit
U2
79M05
Fixed Voltage Regulator
U3
78S15
Fixed Voltage Regulator
U4
LT1374CR
Special Function Integrated Circuit
U5
78M05
Fixed Voltage Regulator
U6
LM353/SO
SMD Operational Amplifier
U7
N5532
SMD Operational Amplifier
U8
LM353/SO
SMD Operational Amplifier
U9
LF347/SO
SMD Operational Amplifier
U10
ADC0834CCWM
Special Function Integrated Circuit
U11
MAX810L
Special Function Integrated Circuit
U12
AT89C51ED2
Microprocessor
U13
HIN232ACBN
Special Function Integrated Circuit
U14
LM324A/SO
SMD Operational Amplifier
U15
LMX1501
Special Function Integrated Circuit
U16
LM324A/SO
SMD Operational Amplifier
U17
LM324A/SO
SMD Operational Amplifier
SW1
DB9 MONITOR
Slide Switcher
TCXO1
MHz 12.800
Crystal Oscillator Module
Y1
11.0592MHz
Quartz Crystal
LCD1
DISPLAY
Male PCB Mounting Header
FILT1
FILTER 19KHz
Audio Filter