Aiwa XR-M161HS(S), Service Manual

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COM0-COM3
I-INIT
______
I-AC/DC
VSS3
VDD3
NC
O-TUCE
O-CD-ON
O-TU-ON
O-RMT
_____
O-REC/PB
O-MUTE
O-PCONT
O-BIAS
NC
Pin No. Pin Name I/O Description
83-86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
O
I
I
—
—
—
O
O
O
O
O
O
O
O
O
LCD common output.
Initial setting input.
AC/DC detection.“H” during AC. COMS input.
GND.
5V.
Not used.
Tuner chip enable output. CMOS output .
“H” output during CD function. CMOS output.
“H” output during TU function. CMOS output.
REC mute output. “H” during mute. CMOS output.
REC/PB select output. “L” during PB. COMS output.
Mute output. “H” during mute. COMS output.
Power control output. “H” during ON. CMOS output.
REC bias ON/OFF output. “H” at ON. Open drain output.
Not used.
IC DESCRIPTION-3/3 (LC867248A-5V96)-2/2