40
PD01 / QU02 : AT24C08
PD01 / QU04 : 74HC4094
P101 / Q121, Q122 : 74HC4094
Q121 74HC4094
I/O Name Function Description
1 CE IN STOROBE
2 DATA IN DATA
3 CLK IN CLOCK
4 Q1 OUT LINE_2 Line_2 input relay ON Active H
5 Q2 OUT REC_1 Recorder_1input relay ON Active H
6 Q3 OUT REC_2 Recorder_2 input relay ON Active H
7 Q4 OUT BI-AMP Bi-amp relay ON Active H
8 GND GND
9 QS OUT - - -
10 Q'S OUT -
11 Q8 OUT LINE_1 Line_1 input relay ON Active H
12 Q7 OUT CD CD input relay ON Active H
13 Q6 OUT BAL Balanced input relay ON Active H
14 Q5 OUT PHONO Phono input relay ON Active H
15 OE IN OUTOUT ENABLE
16 VCC VCC
Q122 74HC4094
I/O name Function Description
1 CE IN STROBE
2 DATA IN DATA
3 CLK IN CLOCK
4 Q1 OUT TONE Tone relay ON Active H
5 Q2 OUT SPK1 Speaker output relay ON Active H
6 Q3 OUT SPK2 Speaker output relay ON Active H
7 Q4 OUT HP Headphone output relay ON Active H
8 GND GND
9 QS OUT - -
10 Q'S OUT SERIAL OUTPUT -
11 Q8 IN - -
12 Q7 OUT RO_2 Recorder_2 output relay ON Active H
13 Q6 OUT RO_1 Recorder_1 output relay ON Active H
14 Q5 OUT MM Phono MM relay ON Active H
15 OE IN OUTPUT ENABLE
16 VCC VCC
Port
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