Electrolux EI30MH55GB Service Manual - Page 27

lamp ON.H level: During Hood lamp OFF.

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Page 27 highlights

Pin No. Signal I/O Description EI30MH55GSA EI30MH55GBA EI30MH55GWA 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 44 45-46 P41 P40 RESET P71 P70 XIN XOUT VSS P27 P26 P25 P24 P23 P22 P21 P20 P17 P16 43 P14 P13-P12 OUT IN IN OUT OUT IN OUT IN OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT P15 OUT OUT Terminal not used. Connected to GND through the pull-down resistor. Auto clear terminal. Signal is input to reset the LSI to the initial state when power is applied. Clock signal is output to a memory IC (IC3). Data signal is output to a memory IC (IC3). Internal clock oscillation frequency input setting. The internal clock frequency is set by inserting the ceramic filter oscillation circuit with respect to XOUT terminal. Internal clock oscillation frequency control output. Output to control oscillation input of XIN. Power source voltage: -5.0V. VC voltage of power source circuit input. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G5 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G6 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G7 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G8 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G9 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G10 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G11 line keys on key matrix is touched. Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while one of G12 line keys on key matrix is touched. Hood lamp driving signal. To turn on and off relay(RY6)."L" level: During Hood lamp ON. "H" level: During Hood lamp OFF. 6.7 msec. H : GND L : -5V Hood lamp driving signal. To turn on and off relay(RY5)."L" level: During Hood lamp ON. "H" level: During Hood lamp OFF. 6.7 msec. H : GND L : -5V OUT Hood motor high / low driving signal. To turn on and off relay(RY3)."L" level: During Hood ON motor high. "H" level: During Hood motor low. H : GND OFF L Hood motor driving signal. To turn on and off relay(RY4)."L" level: During Hood ON motor on. "H" level: During Hood motor OFF. H : GND OFF L Terminal not used. 27

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27
EI30MH55GSA
EI30MH55GBA
EI30MH55GWA
25
P4±
OUT
Terminal not used.
26
P40
IN
Connected to GND through the pull-down resistor.
27
RESET
IN
Auto clear terminal.
Signal is input to reset the LSI to the initial state when power is applied.
28
P7±
OUT
Clock signal is output to a memory IC (IC3).
29
P70
OUT
Data signal is output to a memory IC (IC3).
30
XIN
IN
Internal clock oscillation frequency input setting.
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
respect to XOUT terminal.
3±
XOUT
OUT
Internal clock oscillation frequency control output.
Output to control oscillation input of XIN.
32
VSS
IN
Power source voltage: -5.0V.
VC voltage of power source circuit input.
33
P27
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G5 line keys on key matrix is touched.
34
P26
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G6 line keys on key matrix is touched.
35
P25
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G7 line keys on key matrix is touched.
36
P24
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G8 line keys on key matrix is touched.
37
P23
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G9 line keys on key matrix is touched.
38
P22
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G±0 line keys on key matrix is touched.
39
P2±
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G±± line keys on key matrix is touched.
40
P20
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while
one of G±2 line keys on key matrix is touched.
4±
P±7
OUT
Hood lamp driving signal.
To turn on and off relay(RY6).“L”level:During Hood
lamp ON.“H” level: During Hood lamp OFF.
42
P±6
OUT
Hood lamp driving signal.
To turn on and off relay(RY5).“L”level:During Hood
lamp ON.“H” level: During Hood lamp OFF.
43
P±5
OUT
Hood motor high / low driving signal.
To turn on and off relay(RY3).“L”level:During Hood
motor high. “H” level: During Hood motor low.
44
P±4
OUT
Hood motor driving signal.
To turn on and off relay(RY4).“L”level:During Hood
motor on.“H” level: During Hood motor OFF.
45-46
P±3-P±2
OUT
Terminal not used.
Pin No.
Signal
I/O
Description
±6.7 msec.
H : GND
L : -5V
±6.7 msec.
H : GND
L : -5V
ON
OFF
H : GND
L
ON
OFF
H : GND
L