Pin No.
Pin Name
I/O
Description
-33-
IC DESCRIPTION -1/1 (LC877348A5Z52)-1/2
O
O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I
I
O
-
I
O
-
O
O
O
-
O
I
O
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
CD mechanic changer control output motor control
CD mechanic changer control output motor control
CD control serial port
CD control serial port
CD control serial port
CD control serial port
CD control serial port
CD control serial port
CD-R/W change output
Buzzer sound output
System reset
Oscillation
Oscillation
GND
Oscillation
Oscillation
VDD1
Oscillation frequency change terminal
Buzzer sound control terminal
Buzzer sound control terminal
Not connected
Tuner power source. At the time of tuner Lo
FM stereo detection. At the time of stereo Lo
LCD back light output
Not connected
Power failure detection. When having a power failure Lo
AM step change
CD mechanic restrict detection terminal
Remote control input
TV LW selection change
POWER button input terminal (Lo active)
FUNCTION button input terminal (Lo active)
BAND button input terminal (Lo active)
MODE button input terminal (Lo active)
PLAY/PAUSE button input terminal (Lo active)
STOP button input terminal (Lo active)
REW button input terminal (Lo active)
FF button input terminal (Lo active)
CD1 button input terminal (Lo active)
CD2 button input terminal (Lo active)
CD3 button input terminal (Lo active)
SNOOZE button input terminal (Lo active)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
LD-MOT-FWD
LD-MOT-REV
CLOCK
XLAT
DATA
SENS
SQSO
SQCK
CD-RW
BZ-OUT
RESET
XT1
XT2
GND
CF1
CF2
VDD1
CK-SHIFT
ATT1
ATT2
N.C
TU-ON
STEREO
BACK-LIGHT
N.C
LV-SENS
STEP
RESTRICT-SENS
REMOCON
LW
POWER KEY
FUNCTION KEY
BAND KEY
MODE KEY
PLAY/PAUSE KEY
STOP KEY
REW KEY
FF KEY
CD1 KEY
CD2 KEY
CD3 KEY
SNOOZE KEY
