Aiwa CSD-ED79 Service Manual page 17
Compact disc stereo cassette recorder
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Also See for CSD-ED79:
- Service manual (28 pages) ,
- Manual (8 pages) ,
- Service manual (28 pages)
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IC DESCRIPTION
IC, LC867132V-5K36
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3 7 63 1515 0
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
I-FM/AM (NC)
20
TE
L 13942296513
21
O-BASS LED
22
23
O-DUBB LED (NC)
24
25
26
27
28
29
30
31
32
33
34
35
36
37~40
41
www
42
43~50
.
S20~S23 (NC)
51~54
55
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Pin Name
I/O
O
CD read/write control output and TU CE.
O-RMC/CE
O
Data output to LC72121M, M62495FP.
O-DATA
O-CLK
O
Output LC72121M CLK.
NC
–
Not Connected.
O-CK SFT
O
Clock shift output of the microcomputer.
I-HOLD
I
Hold status detection.
I-RST
I
Microcomputer reset.
XT1 (IN)
I
Connected to 32.768KHZ crystal oscillator.
O
XT2 (OUT)
VSS1
–
GND.
CF1 (IN)
I
Connected to 6MHZ Ceramic Filter.
CF2 (OUT)
O
VDD1
—
Power supply for microcomputer (+5V).
I-FM ST
I
FM STEREO status input.
I-KEYO
I
KEY AD input.
CD DOOR SW status detection input.
I-CD SW
I
KEY AD input.
I-KEY1
I
I-MOTOR
I
DECK MECHA MOTOR status input.
I-REC
I
REC status input.
I
FM, AM status input. (Not connected)
I-TU DO
I
Data input from LC72121M.
O
BASS LED ON/OFF control output.
O
Q-Sound LED ON/OFF control output.
O-QS LED
LED control output used for high-speed dubbing. (Not connected)
O
O-INT
O
INT DIODE MATRIX detection output.
I-DRF
I
CD RF level detection input.
I-WRQ
I
CD sub-code Q standby input.
I-REMO
I
Remote control input.
SO-PAO
O
LCD segment output and initial settings output. (SW)
O
LCD segment output and initial settings output. (LW)
S1/PA1
S2/PA2
O
LCD segment output and initial settings output. (MW 10K)
S3/PA3
O
LCD segment output and initial settings output. (FM WIDE)
S4/PA4
O
LCD segment output and initial settings output. (OIRT)
S5/PA5
O
LCD segment output and initial settings output. (SW2)
S6/PA6
O
LCD segment output and initial settings output. (ZCH)
S7/PA7
O
LCD segment output and initial settings output.
O
S8~S11
—
Power supply for microcomputer (+5V).
VDD3
VSS3
—
GND.
x
ao
y
S12~S19
O
LCD segment output.
i
O
LCD segment output. (Not Connected)
O-CD LED
O
LED ON/OFF control output for CD functions.
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