Dacor DCM24B Service Manual page 31

DCM24B
DCM24R
DCM24S
Pin No. Signal
37 P23 OUT
38-40 P22-P20 OUT
41 P17 OUT
42 P16 OUT
43 P15 OUT
44 P14 OUT
45 P13 OUT
46 P12 OUT
47 P11 OUT
48 P10 OUT
49-53 P07-P03 OUT
54-56 P02-P00 OUT
57-59 P37-P35 OUT
60-64 P34-P30 OUT
I/O
Segment data signals.
The relation between signals and indicators are as follows:
Signal Segment
P23 ............. P1
P22 ............. P2
P21 ............. P3
P20 ............. P4
Segment data signal.
Signal similar to P23.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-12 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-11 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-10 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-9 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-8 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-7 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-6 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-5 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Digit selection signal.
Signal similar to P55.
Digit selection signal.
Signal similar to P55.
Used for initial balancing of the bridge circuit (absolute humidity sensor).
Description
Signal Segment Signal Segment
P17 ............. P5 P13 ............. P9
P16 ............. P6 P12 ........... P10
P15 ............. P7 P11 ........... P11
P14 ............. P8 P10 ........... P12
28
Signal Segment
P07 ........... P13
P06 ........... P14
P05 ........... P15
P04 ........... P16