Aiwa CS-P77, Руководство по обслуживанию, Страница: 14 / 20

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13, 14
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24, 25
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27-30
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32
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36-48
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60-62
63, 64
IC, LC587204
Pin No. Pin Name I/O Description
IC DESCRIPTION
RES
INT
S01, S02
S03
S04, P1-P3
P4
XTout
XTin
VDD2, VDD1
VSS
VDD
CFin
CFout
S1
S2
S3
S4
K1
K2, K3
K4
M1-M4
N1
N2
N3
N4
TST
SEG01-SEG13
SEG14-SEG23
COM4
COM3-COM1
CUP1, CUP2
I
I
I/O
I/O
I/O
I/O
O
I
—
—
—
I
O
I
I
I
I
I/O
I/O
I/O
I/O
O
O
O
O
I
O
O
O
O
—
Active low (normally pulled up), microprocessor reset.
Not connected.
Destination is set.
Not connected.
PLL serial data.
—
Xtal 32 kHz.
—
GND.
+B, microprocessor power supply.
Ceramic 1 MHz.
—
HOLD terminal High during HOLD.
Tuner input detection by function switch.
Timer input detection.
—
KEY matrix (input).
—
KEY matrix (output).
Clock shift.
Power control (output).
Mute output.
ON when tuner is selected.
GND.
LCD segment output.
—
—
LCD common output.
—