Aiwa CSD-FD79 Service Manual page 38

Cd stereo radio
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IC DESCRIPTION - 2/2 (IC,LC867132V-5Z39) - 1/2
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3 7 63 1515 0
Pin NO.
Pin Name
1
I-FM ST
2
I-CDDOOR
3
O-FUNC1
4
O-FUNC2
5
O-CKSFT
6
I-HOLD
7
I-RST
8
XT1(IN)
9
XT2(OUT)
10
VSS1
11
CF1(IN)
12
CF2(OUT)
13
VDD1
14
N.C.
15
VDD2
16
N.C.
17
I-AC/DC
18
I-KEY0
19
I-KEY1
20
I-SW12V
21
I-DSW
TE
L 13942296513
22,23
N.C.
24
O-R.MUTE
25
O-REC/PB
26
I-CAM
27
I-AS
28
I-REM
29
O-BEAT0
30
O-BEAT1
31
O-BIAS
32
O-PL
33
O-MOTOR
34
N.C.
35
N.C.
36
O-INT
37
SEG0
38
SEG1
39
SEG2
www
40
SEG3
.
http://www.xiaoyu163.com
I/O
I/O
FM stereo status input: "L" input at stereo.
I
CD door switch open/close detection: "L" input at door close.
O
FUNCTION IC control output (LOW output or high output).
O
FUNCTION IC control output (LOW output or High output).
µ-COM main clock shift output (LOW output or H-imp).
O
I
Hold status detection: Entry to hold at "H".
µ-COM reset input.
I
I
Connected to 32.768 KHz X'TAL.
O
Connected to 32.768 KHz X'TAL.
µ-COM power GND.
I
Connected to 5.76 MHz CF.
O
Connected to 5.76 MHz CF.
µ-COM +5V power.
I/O
(Not used)
µ-COM +5V power.
I/O
(Not used)
I
AC/DC input.
I
KEY input
I
KEY input
I
Machine power supply voltage detection.
I
TP REC possible/prohibited detection.
O
(Not used)
TP REC mute control output (Not necessary when using
O
BD3881FV made by Rohm Inc.).
O
TP REC/PB selection control output.
I
TP stop pulse detection.
I
TP auto pulse detection.
I
Remote control input.
O
AM beat selector output
O
AM beat selector output
O
TP REC bias control output.
O
TP mechanism control output (plunger solenoid).
O
TP mechanism control output (motor).
O
Q-sound LED control output: LED lights at "H". (Not used)
O
(Not used)
O
Initial diode matrix detection output.
O
LCD segment output:LCD 1pin/Initial setting output (diode matrix) (SW).
O
LCD segment output:LCD 2pin/Initial setting output (diode matrix) (LW).
LCD segment output:LCD 3pin/Initial setting output (diode matrix)
O
(AM 10K).
LCD segment output:LCD 4pin/Initial setting output (diode matrix)
x
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y
O
(FM WIDE).
i
http://www.xiaoyu163.com
2 9
8
Description
.
1
2
.
Q Q
3
6 7
1 3
1 5
1
.
2 (Not used)
.
co
.
-38-
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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