Ic Description - Aiwa NSX-TR99 Service Manual

IC DESCRIPTION -1/1 (LC876670B-50H8) -2/2
Pin No. Pin Name
65 P21/FMWIDE
66 P22/LW
67 P23/1+1
68 P24/R+1
69 P25/MPX
70 P26/ECO-OFF
71 P27/DEMO
72 VDD4
73 P28/KARAOKE
74 I-AUTO2
75 I-AUTO1
76 I-CST2
77 I-CST1
78 I-REB
79 I-REA
80 I-CAM2
81 I-CAM1
82 I-HPMUTE
83 NC
84 NC
85 O-MOTOR
86 O-SOL1
87 O-SOL2
88 O-MUTE
89 VSS2
90 VDD2
91 O-LINE_MUTE
92 O-KSCAN
93 O-PLL_CE
94 O-POWER
95 O-CD_DATA
96 O-CD_CLK
97 O-CD_CE
98 I-SUBQ
99 I-DRF
100 I-WRQ
I/O
O FL segment output G21.
O FL segment output G22.
I/O FL segment output G23/1+1 diode input.
I/O FL segment output G24/R+1 diode input.
I/O FL segment output G25/MPX diode input.
I/O FL segment output G26/ECO OFF diode input.
I/O FL segment output G27/DEMO diode input.
– VDD
I/O FL segment output G28/KARAOKE diode input.
I DECK2 auto stop signal input.
I DECK1 auto stop signal input.
I DECK2 cassette detect switch data input.
I DECK1 cassette detect switch data input.
I DECK2 B side REC enable switch data input.
I DECK2 A side REC enable switch data input.
I DECK2 CAM switch data input.
I DECK1 CAM switch data input.
O Headphone MUTE output.
– Not connected.
– Not connected.
O DECK motor ON/OFF output.
O DECK1 solenoid output.
O DECK2 solenoid output.
O System mute ON/OFF output.
– GND
– VDD
O Line mute output.
O Segment input scan timing output.
O PLL IC chip enable output.
O System power supply ON/OFF output.
O CD data output.
O CD clock output.
O CD chip enable output.
I CD SUBQ data input.
I CD focus on detect data input.
I CD interruption signal input.
Description
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