1 ~ 4
COM1 ~ COM4
O
LCD driver common output.
5 ~ 24
S1 ~ S20
O
LCD driver output.
25
TAPE ON
O
H: Except TAPE mode, L: TAPE mode.
26
REC ON
O
Always output L. (Not used)
27
CASS SW
I
H: SW OFF, L: SW ON.
28
TIMING SW
I
Input mechanism operation detection.
29
F REC P
I
Connected to ground.
30
R REC P
I
Connected to ground.
31
FM MO/ST
O
Output FM MONO/STEREO switching.
32
PRE SW
O
H: Radio mode, L: Except Radio mode.
33
MS IN
I
H: Exist music, L: No music.
34
AREA SET
I
Input voltage level of each AREA(D,U,E,H).
35
IF 10.7/LCD ON
I
H: IF 10.7, MID: IF 10.75, L: LCD ALL ON.
36
NC
I
Not connected.
37
P-SNSR IN
I
Input P-SNSR output waveform.
38
NC
O
Always output L. (Not connected)
39
P-SNSR CTL
O
Control P-SNSR circuit power supply.
40
DSL1
O
H: DSL ON, L: DSL OFF.
41
DSL2
O
H: DSL1, L: DSL2.
42
REMOTE
I
Input remote controller key.
43
MAIN
I
Input main unit key.
44
BATT DET
I
Reducing voltage mecha stop.
45
POWER ON
O
H: Except standby mode, L: Standby mode.
46
DOLBY SW
O
H: Dolby OFF, L: Dolby ON.
47
SDATA(REM)
O
Output display data for remote controller.
48
SCLK(REM)
I
Input serial clock.
49
BUZR
O
Output buzzer.
50
MOT ON
O
H: Motor ON, L: Motor OFF.
51
MOT DIR
O
H: Clockwise, L: Counter clockwise.
52
MOT HI
O
H: Hi speed, L: Nomal speed.
53
BRAKE
O
H: Motor brake ON, L: OFF.
54
REC/PLAY
O
Always output L. (Not used)
55
REC F/R CTL
O
Always output L. (Not used)
56
MIC/TU
O
Always output L. (Not used)
57
REC MUTE
O
Always output L. (Not used)
58
SDR
O
EEPROM R/W switching terminal.(Not used)
59
SCLK(EEP)
O
Output EEPROM serial clock.
60
SDATA(EEP)
I/O
Input/output EEPROM.
61
F/R CTL
O
H: REV mode, L: FWD mode.
62
POW MUTE
O
H: Mute OFF, L: Mute ON.
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION
IC, TC9327AF-506
– 9 –
Pin No.
Pin Name
I/O
Description
63
TEST
Connected to ground.
64
IF IN
I
Input IF signal.
65
TU OUT
O
H: Radio mode, L: Except Radio mode.
66
PLL OUT
O
Output phase comparator.
67
REC ENA
I
Connected to ground.
68
FM OUT
O
H: Except FM mode, L: FM mode.
69
GND
Connected to ground.
70
FM IN
I
Input FM programable counter.
71
AM IN
I
Input AM programable counter.
72
VDD
Connected to VDD.
73
RESET
I
Input reset.
74
XOUT
O
Connected to crystal oscillator.
75
XIN
I
76
VXT
Power supply for crystal oscillator.
77
VLCD
78
C1
Reference voltage for LCD drive.
79
C2
80
VEE
1.5V constant voltage for LCD drive.
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