Aiwa CSD-ED88 Service Manual page 24

Compact disc stereo radio cassette recorder
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DESCRIPTION
LC867132V-5K36
Pin No.
Pin Name
I/O
Description
1
0-RMC/CE
D
CD read/write control output and TU CE.
2
O-DATA
a
Data output to LC72121M, M62495FP
3
O-CLK
0
Output LC72121MCLK.
4
NC
-
Not Connected.
5
O-CK SFT
0
Clock shift output of the microcomputer.
6
I-HOLD
I
Hold status detection.
7
I-RST
I
Microcomputer reset.
8
XTl (IN)
I
Connected to 32.768KHZ crystal oscillator.
9
XT2 (OUT)
0
10
VSSl
-
GND.
11
CFl (IN)
I
Connected to 6MHZ Ceramic Filter.
12
CF2 (OUT)
0
13
VDDl
Power supply for microcomputer (+5V).
14
I-FMST
I
FM STEREO status input.
15
1-KEYO
I
KEY AD input.
16
I-CD SW
I
CD DOOR SW status detection input.
17
I-KEYl
I
KEY AD input.
18
I-MOTOR
I
DECK MECHA MOTOR status input.
19
I-REC
I
REC status input.
20
I-FWAM (NC)
I
FM, AM status input. (Not connected)
21
I-TU DO
I
Data input from LC72121M.
22
BASS LED ON/OFF control output.
23
0-QS LED
0
Q-Sound LED ON/OFF control output.
24
0-DUBB LED (NC)
o
LED control output used for high-speed dubbing. (Not connected)
25
0-lNT
0
INT DIODE MATRIX detection output.
26
I-DRF
I
CD RF level detection input.
27
I-WRQ
I
CD sub-code Q standby input.
28
1-REMO
I
Remote control input.
29
SO-PAO
0
LCD segment output and initial settings output. (SW)
30
LCD segment output and initial settings output. (LW)
31
S2/PA2
0
LCD segment output and initial settings output. (MW lOK)
32
S3/PA3
o
LCD segment output and initial settings output. (FM WIDE)
33
S4/PA4
o
LCD segment output and initial settings output. (OIRT)
34
S5/PA5
o
LCD segment output and initial settings output. (SW2)
35
S6/PA6
o
LCD segment output and initial settings output. (ZCH)
36
S7/PA7
o
LCD segment output and initial settings output.
37-40
S8~S11
0
41
VDD3
Power supply for microcomputer (-I-5V).
42
VSS3
GND.
43-50
S12~S19
o
LCD segment output.
51-54
LCD segment output. (Not Connected)
55
0-CD LED
o
LED ON/OFT control output for CD functions.
37

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