Aiwa NSX-R10 Service Manual page 44

IC DESCRIPTION -1/1 (µPD780226GF-033-3BA) -2/2
Pin Name
Pin No.
44 I-SPEANA_1
45 I-SPEANA_2
46 I-SPEANA_3
47 I-KEY 1
48 I-KEY 2
49 I-TU_SIG
50 AVSS
51 O-BIAS
52 O-CD_CE
53 O-CD_CLK
54 O-CD_DATA
55 O-CLK
56 ~ 59 NC
60 I-CAM2
61 I-CAM1
62 ~ 70 P24 ~ P16
71 P15/AM 10K
72 P14/KARAOKE
73 P13/LW
74 P12/SW
75 P11/OIRT
76 P10/FM WIDE
77 P9/R+1
78 P8/DEMO
79 VDD2
80 VLOAD
81 P7
82 P6/WITHOUT-ECO
83 ~ 87 P5 ~ P1
88 ~ 100 G1 ~ G13
I/O
I A/D input for spectrum analyser level display.
I A/D input for spectrum analyser level display.
I A/D input for spectrum analyser level display.
I Key A/D input 1.
I Key A/D input 2.
I Tuner RDS signal input. (Connected to GND through a resistor)
ñ GND.
O Bias output.
O CD chip enable output.
O CD serial clock output.
O CD serial data output.
O PLL clock output for LC72131D-N.
ñ Not connected.
I DECK2 cam switch input.
I DECK1 cam switch input.
O FL segment P24 ~ P16 output.
O/I FL segment P15 output / AM 10K data input to diode (not used).
O/I FL segment P14 output / KARAOKE data input to diode (not used).
O/I FL segment P13 output / LW data input to diode.
O/I FL segment P12 output / SW data input to diode (not used).
O/I FL segment P11 output / OIRT data input to diode (not used).
O/I FL segment P10 output / FM WIDE data input to diode (not used).
O/I FL segment P9 output / R+1 data input to diode (not used).
O/I FL segment P8 output / DEMO data input to diode (not used).
ñ Power supply input.
_ Power supply for FL display.
O FL segment P7 output.
O/I FL segment P6 output / WITHOUT-ECO data input to diode .
O FL segment P5 ~ P1 output.
O FL grid G1 ~ G13 output.
Description
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