Aiwa NSX-TR77, Руководство по обслуживанию

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IC DESCRIPTION -1/1 (LC876764A-50J3) -1/2
Pin No. Pin Name I/O Description
1 I-DISH I CD turntable photo sensor input.
2 O-LED_STB O STB output for BU2092.
3 I-STEREO I TUNER stereo input.
4 I-RDS_DATA – Not connected.
5 O-DSC/O-DATA O FRONT • MAIN IC data output.
6 O-CLK O FRONT • MAIN IC clock output.
7 O-CLK_SFT O MICON clock shift output.
8 NC – Not connected.
9 I-IFC I TUNER IF count serial data input.
10 O-BIAS O DECK BIAS output.
11 RESET – System reset input.
12 I-TM_BASE I Reference clock input for timer watch.
13 I-SPEANA I Input spectrum analyzer data input.
14 VSS1 – GND
15 X1 I 9.43MHz oscillator circuit.
16 X2 O 9.43MHz oscillator circuit.
17 VDD1 – VDD
18 I-HOLD I Power failure detected input.
19 I-TRE I Rotary encoder TREBLE input.
20 I-BAS I Rotary encoder BASS input.
21 I-VOL I Rotary encoder VOLUME input.
22 I-JOG I Rotary encoder JOG input.
23 I-TU_SIG (MIC) – Not connected.
24 I-CDSW I CD mechanical switch A/D converter input.
25 I-KEY1 I KEY1 input.
26 I-KEY2 I KEY2 input.
27 I-KEY3 I KEY3 input.
28 I-RDS_CLK – Not connected.
29 I-RMC –I System remote control signal input.
30 ~ 37 G1 ~ G8 O FL grid output G1 ~ G8.
38 NC – Not connected.
39 ~ 45 P1 ~ P7 O FL segment output G1 ~ G7.
46 VDD3 – VDD
47 ~ 50 P8 ~ P11 O FL segment output G8 ~ G11.
51 FIX0 – GND
52 ~ 57 P12 ~ P17 O FL segment output G12 ~ G17.
58 P18/SPEANA_C O FL segment output G18/SPEANA IC C output.
59 P19/SPEANA_B O FL segment output G19/SPEANA IC B output.
60 P20/SPEANA_A O FL segment output G20/SPEANA IC A output.
61 P21/RDS O FL segment output G21.
62 P22/OIRT O FL segment output G22.
63 P23/SW O FL segment output G23.
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