Ic Description - Aiwa NSX-R71 Service Manual

IC DESCRIPTION -1/1 ( PD780228-081-3BA) -2/2
Pin No. Pin Name
43 I-CDSW
44 I-SPEANA_1
45 I-SPEANA_2
46 I-SPEANA_3
47 I-KEY1
48 I-KEY2
49 I-TU_SIG/(I-MIC)
50 AVSS
51 O-BIAS
52 O-CD_CE
53 O-CD_CLK
54 O-CD_DATA
55 O-CLK
56 ~ 62 P32 ~ P26
63 P25/I-REB
64 P24/I-REA
65 P23/I-CAM2
66 P22/I-CAM1
67 ~ 70 P21 ~ P18
71 P17/AM10K
72 P16/AMST
73 P15/LW
74 P14/SW
75 P13/OIRT
76 P12/RDS
77 P11/R+1
78 P10/MPX
79 VDD2
80 VLOAD
81 P9/ECO-OFF
82 P8/KARAOKE
83 P7/DEMO
84 ~ 89 P6 ~ P1
90 ~ 100 G1 ~ G11
I/O
I CD mechanism SW input.
I Input spectrum analyzer DATA (Low Frequency).
I Input spectrum analyzer DATA (Middle Frequency).
I Input spectrum analyzer DATA (High Frequency).
I Key input 1.
I Key input 2.
Signal LEVEL A/D input for RDS / MIC Input for auto vocal fader.
I
(Connected to GND through a resistor)
– GND for A/D converter.
O DECK BIAS output.
O CD chip enable output.
O CD CLK output.
O CD DATA output.
O CLOCK output.
O FL segment P32 ~ P26 output.
I/O FL segment P25 output / DECK REB SW input.
I/O FL segment P24 output / DECK REA SW input.
I/O FL segment P23 output / DECK CAM2 input (Not used).
I/O FL segment P22 output / DECK CAM1 input (Not used).
O FL segment P21 ~ P18 output.
I/O FL segment P17 output / AM10K diode input (Not used).
I/O FL segment P16 output / AMST diode input (Not used).
I/O FL segment P15 output / LW diode input (Not used).
I/O FL segment P14 output / SW diode input (Not used).
I/O FL segment P13 output / OIRT diode input (Not used).
I/O FL segment P12 output / DECK RDS diode input (Not used).
I/O FL segment P11 output / DECK R+1 diode input.
I/O FL segment P10 output / MPX initial diode input (Not used).
– Voltage supply for FIP controller.
– Negative voltage supply for FIP controller.
I/O FL segment P9 output / ECO MODE initial OFF diode input (Not used).
I/O FL segment P8 output / KARAOKE initial diode input.
I/O FL segment P7 output / DEMO diode input (Not used).
O FL segment P6 ~ P1 output.
O FL grid G1 ~ G11 output.
Description
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