Aiwa CDC-Z127 Service Manual page 28
Stereo car cd receiver
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Also See for CDC-Z127:
- Operating instructions manual (8 pages) ,
- Operating instructions manual (13 pages)
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IC DESCRIPTION
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IC, LC72358N-9A70
3 7 63 1515 0
Pin No.
Pin Name
1
XIN
2
TEST2
3
CD DATA IN
4
DIM
5
CD CLOCK IN
6
E-VOL DO
7
LCD DI
8
LCD DO
9
LCD CLO
10
LCD CE
11
SQ OUT
12
COIN
13
CQCK
14
SD/ST
15
LOC/DX
16
IF REQ
17
BAND
18
TU ON
TE
L 13942296513
19
BBE1
20
E-VOL CE
21
ACC-CONT
22
KS4
23
KS3
24
KS2
25
KS1
26
KS0
27
K3
28
K2
29
K1
30
K0
31
VDD
32
E-VOL CLO
33
LM SW
34
BBE2
35
FEM+ LM+
36
FEM- LM-
www
37
RW
38
LP UP
.
39
CD ON
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I/O
I
System clock oscillator input.
-
Not used.
I
Input data signal for receiving from CD changer.
-
Connected to GND through resistor.
I
Input synchronous clock signal for receiving from CD changer.
O
Data output for volume level control.
I
LCD driver data signal input.
O
LCD driver data signal output.
O
LCD driver clock signal output.
O
LCD driver CE signal output.
I
Sub-code input terminal.
O
Command output terminal for DSP.
Transfer-out clock for command output or output terminal for sub-code transfer-in clock from
O
SQ OUT.
Stereo signal input when receiving. "H"= MONO, "L"= ST FM reception.
I
Channel detection signal input when FM/AM seeking. "H"= Detect channel.
O
LOC/DX switching output when in the radio seek mode. "H"= LOC, "L"= DX.
O
IF count signal request output.
O
FM / AM power switch output. "H"= AM, "L"= FM.
O
Radio power switch output. "H"= Radio mode. (Not used.)
O
BBE switch ON/OFF. (Not used.)
O
CE output for volume level control.
O
Output CD changer ACC signal. (Not used.)
O
Initial setting diode matrix output. (Not used.)
O
Initial setting diode matrix output. (Not used.)
O
Initial setting diode matrix output. (Not used.)
O
Initial setting diode matrix output. (Not used.)
O
Initial setting diode matrix output.
I
Initial setting diode matrix input.
I
Initial setting diode matrix input.
I
Initial setting diode matrix input.
I
Initial setting diode matrix input.
-
Power supply.
O
Clock output for volume level control.
O
Loading or Thread Gain switch output.
O
BBE 1 or 2 switch output. (Not used.)
O
Thread motor control terminal.
O
Thread motor control terminal.
O
RW disc control. Normal set to "H".
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O
RW disc control. Normal set to "L".
i
O
CD power switch output.
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2 9
8
Description
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3
6 7
1 3
1 5
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.
– 28 –
9 4
2 8
0 5
8
2 9
9 4
2 8
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9 9
9 9
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