Onkyo TX-SR701 - Audio Adjust; Bass and Treble adjustment; Double Bass function; Late Night function

Pin No. Symbol I/O Description Pin No. Symbol I/O Description
1 VDD Power supply terminal. Connect to 5V. 41 P22 O Segment output terminal of P22.
2 VSS Ground terminal. 42 P21 O Segment output terminal of P21.
3 X1 Ceramic oscillator connection terminals for main system. 43 P20 O Segment output terminal of P20.
4 X2 Connect the 5MHz ceramic oscillator between #3 and #4. 44 P19 O Segment output terminal of P19.
5 IC/VPP Internal connection terminal 45 P18 O Segment output terminal of P18.
6 ~RESET I System reset signal input terminal. 46 P17 O Segment output terminal of P17.
7 SUBCL/SCK I Clock input terminal to transmit the signal from main microprocessor. 47 P16 O Segment output terminal of P16.
8 SUBDO/SDI I Data input terminal to transmit the signal from main microprocessor. 48 P15 O Segment output terminal of P15.
9 SUBDI/SDD O Data output terminal to transmit the signal to main microprocessor. 49 P14 O Segment output terminal of P14.
10 SUBLDY O Data ready output terminal to transmit to the main microprocessor. 50 P13 O Segment output terminal of P13.
11 VBJ I Pulse input terminal from the rotary encoder of volume. 51 P12 O Segment output terminal of P12.
12 VAJ I Pulse input terminal from the rotary encoder of volume. 52 P11 O Segment output terminal of P11.
13 SYSIN I System code input terminal.
System code output terminal.
Detection terminal of headphone insertion.
53 P10 O Segment output terminal of P10.
14 SYSOUT I 54 P9 O Segment output terminal of P9.
15 HPDET I 55 P8 O Segment output terminal of P8.
16 ~IRIN I Signal input terminal from the remote controller. 56 P7 O Segment output terminal of P7.
17 STBYLED O Standby LED control output terminal. 57 P6 O Segment output terminal of P6.
18 AVSS Ground terminal for A/D converter. 58 P5 O Segment output terminal of P5.
19 K0 I Operation key connection terminal. 59 VDD2 Power supply terminal. Apply +5V.
20 K1 I Operation key connection terminal. 60 VLOAD Negative power supply terminal of FL controller.
21 K2 I Operation key connection terminal. 61 P4 O Segment output terminal of P4.
22 K3 I Operation key connection terminal. 62 P3 O Segment output terminal of P3.
23 VSS0 Ground terminal 63 P2 O Segment output terminal of P2.
24 AVDD Power supply terminal for A/D converter. 64 P1 O Segment output terminal of P1.
25 VDDD
ZONE2LED
PURELED
Power supply terminal. Apply +5V. 65 16G O Grid output terminal of 16G.
26 O 66 15G O Grid output terminal of 15G.
27 O 67 14G O Grid output terminal of 14G.
28 P35 O Segment output terminal of P35. 68 13G O Grid output terminal of 13G.
29 P34 O Segment output terminal of P34. 69 12G O Grid output terminal of 12G.
30 P33 O Segment output terminal of P33. 70 11G O Grid output terminal of 11G.
31 P32 O Segment output terminal of P32. 71 10G O Grid output terminal of 10G.
32 P31 O Segment output terminal of P31. 72 9G O Grid output terminal of 9G.
33 P30 O Segment output terminal of P30. 73 8G O Grid output terminal of 8G.
34 P29 O Segment output terminal of P29. 74 7G O Grid output terminal of 7G.
35 P28 O Segment output terminal of P28. 75 6G O Grid output terminal of 6G.
36 P27 O Segment output terminal of P27. 76 5G O Grid output terminal of 5G.
37 P26 O Segment output terminal of P26. 77 4G O Grid output terminal of 4G.
38 P25 O Segment output terminal of P25. 78 3G O Grid output terminal of 3G.
39 P24 O Segment output terminal of P24. 79 2G O Grid output terminal of 2G.
40 P23 O Se
g
ment out
p
ut terminal of P23. 80 1G O Grid out
p
ut terminal of 1G.
TERMINAL DESCRIPTION
SUB MICROPROCESSOR
ZONE 2 indicator control output terminal.
PURE AUDIO indicator control output terminal.
TX-SR701/E
TX-SR701/E
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