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Alpine CDE-9841E Service Manual page 25

Fm/am cd receiver

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Description of IC Terminal
M30624FGPGP :
IC501
No.
Symbol
1
NC
2
REMOCON ($1)
3
PULL-DOWN (#1)
4
NC
5
6
BYTE(GND)
7
CNVSS
8
32.768K
9
10
RESET
11
6MHz
12
VSS
13
6MHz
14
VCC
15
VDDPULLUP
16
CD SRQ
17
ACC DET
18
BATT DET
19
NC
I
22
23
DISC IN
24
LCD INH
25
LCD CE
26
NC
27
28
29
R.MONI(NC)
30
31
NC
32
33
CD CMD
34
CD STS
35
CD CLK
36
CD RESET
37
CD STBY
38
CD CS
39
NC
40
NOSE PWR
41
NC
I
47
48
PWR IC ON
49
O-REM
50
ZERO DET
51
A-MUTE
NOTE : #1 : For CDE-9841 Model Only, $1 : For CDE-9841E Model Only, Others : Common.
I/O
-
No connect terminal.
I
Remote control signal input terminal.
-
Pull-down connect terminal.
-
No connect terminal.
-
GND connect terminal.
I
Crystal connect terminal for sub system clock OSC.
O
I
System Reset input terminal.
O
Crystal connect terminal for main system clock OSC.
-
GND connect terminal.
I
Crystal connect terminal for main system clock OSC.
-
Power supply connect terminal.
-
Pull-up connect terminal.
I
CD SRQ input terminal.
I
ACC ON detection signal input terminal.
I
BATT ON detection signal input terminal.
-
No connect terminal.
I
CD DISC-IN detection signal input terminal.
O
LCD INH signal output terminal.
O
LCD CE signal output terminal.
-
No connect terminal.
O
CMD signal output terminal to CD MECH.
I
STS signal input terminal from CD MECH.
O
CLK signal output terminal to CD MECH.
O
RESET signal output terminal to CD MECH.
O
STBY signal output terminal to CD MECH.
O
CS signal output terminal to CD MECH.
-
No connect terminal.
O
Power supply control signal output terminal for NOSE.
-
No connect terminal.
O
Power-IC Stand-by control signal output terminal.
O
OUT-REM signal output terminal.
I
0 bit MUTE signal input terminal from CD-uCOM.
O
A-MUTE signal output terminal.
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CDE-9841/CDE-9841E
Terminal Description

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Cde-9841