-32-
IC DESCRIPTION -1/1 (IC,TC94A23F) -1/3
Pin NO.
1–9
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
45
46
47
48
49
50
51
Pin Name
S1/OT5-S9/OT13
S10/OT14/ZDNET
S11/OT15/CLCK
S12/OT16/DATA
S13/OT17/SFSY
S14/OT18/LRCK
P8-0/S15/BCK
P8-1/S16/AOUT
P8-2/S17/MBOV
P8-3/S18/IPF
MV
DD
MV
SS
P1-0
P1-1
P1-2
P1-3
P3-0
P3-1/ADin1
P3-2/ADin2
P3-3/ADin3
P4-0/ADin4/BUZR
P4-1/S12
P4-2/SI0/SI1/SDA
P4-3/SCK/SCL
P2-0/EMPH in
P2-1/HSO in
P2-2/LRCK in
P2-3/DATA in
SBOK
V
DD
V
SS
P2V
REF
PDO
TMAX
LPFN
I/O
O
O
O
O
O
O
O
O
O
O
–
–
I/O
I/O
I/O
I/O
I/O
A/D-I
A/D-I
I/O
I/O
I
O
O
O
I/O
I/O
O
I
I
O
O
O
O
O
O
O
–
–
–
–
O
I
Description
LCD segment output :LCD 1pin-9pin.
LCD segment output :LCD 10pin.
LCD segment output :LCD 11pin.
LCD segment output :LCD 12pin.
LCD segment output :LCD 13pin.
LCD segment output :LCD 14pin.
Changed to the port that detects use/non-use of O-BEAT L:Use,H:Non-use.
Not connected.
Not connected.
Not connected.
Controller power 5V.
Controller power supply GND.
CD door switch open/close detection: “L” input at close.
Function CD input.
Function TU input.
Function TAPE input.
Not conntected.
KEY input.
TUNER destination identification.
INSIDE LIMIT switch detection.
Not conntected.
Data input from TU IC (LC72131).
Data output to TU IC (LC72131).
Clock output to TU IC (LC72131).
CE output to TU IC (LC72131).
Not conntected.
FM stereo status input: “L” input at stereo.
AM beat selector output — When AC bias is used.
Not conntected.
Not conntected.
Main mute output.
Not conntected.
Not conntected.
Not conntected.
DIGITAL OUT output. (Not used)
Subcode block output. (Not used)
Subcode Q-data CRCC judgment result output. (Not used)
CD section digital system power 5V.
CD section digital system GND.
PLL system-2 V
REF terminal
.
Difference signal between EFM signal and PLCK signal is output.
TMAX detection result is output.
Inverted input to low-pass filter amplifier.
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9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
