Pin No.
Pin Name
I/O
Description
1 ~ 3
COM1 ~ COM3
O
LCD common output.
4 ~ 22
S1 ~ S19
O
LCD segment output.
23 ~ 26
S20/KR3 ~ S23/KR0
-
Not used.
27 ~ 30
K0 ~ K3
I
Key matrix input.
31 ~ 33
T0 ~ T2
O
Key return timing output.
34
T3
O
Key return timing output. (Not used)
35
AM/FM
O
"H": FM/TV/Weather, "L": AM.
36 MSP
O
The output port is used for Super-Bass On/Off.
37 MSP
O
This output port is used for MSP switch. (Not used)
38
TV OUT
O
"H": TV
H
or Weather band.
39,40
DES
I
These two ports combined with K0 ~ K3 determine the destination.
41
TAPE IN
I
"H": Tape ON, "L": Tape OFF.
42
POWER CHECK
I
A/D in for power supply voltage level.
43
REMOTE
I
A/D in for remote controller.
44
POWER SW
O
"H": Power OFF, "L": Power ON.
45
HOLD
I
"H": Hold OFF, "L": Hold ON.
46
BUZZER
O
Buzzer output. (Not used)
47
MUTE
O
Mute output.
48
TS
-
Microcontroller test terminal (Not used).
49
WAKE UP
I
Wake up the system from memory back-up mode.
50
IF IN
I
IF frequency input.
51
TU OUT
O
"L": Tuner ON.
52
PLL OUT
O
Phase comparison output.
53
GND
-
GND.
54
FM IN
I
FM oscillator signal input.
55
AM IN
I
AM oscillator signal input.
56
VDD
-
Supply voltage terminal.
57
RESET
I
System reset input.
58
XOUT
59
XIN
60
VXT
-
Power supply for crystal oscillator.
61
VLCD
-
Reference voltage for LCD driver. (Not used)
62, 63
C1,C2
-
Voltage doubler boosting.
64
VEE
-
Constant 1.5V for LCD driver.
IC, TC9318FB-046
IC DESCRIPTION
Crystal oscillator pin.
I/O
5
6
LCD DIAGRAM
LCD201
LCD, HS ASSY (BAND/TU)
AHRB.A3.p65
30-Dec-99, 10:39 AM
1
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9
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T E L
1 3 9 4 2 2 9 6 5 1 3
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
