– 10 –
Pin No.
Pin Name
I/O
Description
IC, LC72349G-9909
1
XOUT
-
Crystal 75kHz oscillator pin.
2
TEST2
-
Connected to ground.
3
PA3
I
Key matrix input.
4
PA2
I
Key matrix input.
5
PA1
I
Key matrix input.
6
PA0
I
Key matrix input.
7
PB3
O
Key return timing output. (Not used)
8
PB2
O
Key return timing output.
9
PB1
O
Key return timing output.
10
PB0
O
Key return timing output.
11
FM / AM
O
'H' : FM out, 'L' : AM out.
12
FM ST / MN
O
'H' : FM Stereo out, 'L' : FM Mono out. (Not used)
13
S-BASS ON / OFF
O
S-BASS switching output. 'H' : OFF, 'L': ON.
14
NC
-
Not connected.
15
DES
I
These two input ports determine the destination.
16
DES
I
17
TAPE
I
In Clock mode: 'H' = LCD display TAPE. 'L' = LCD BLANK.
18
POWER CHECK 1
I
Power check input port.
19
NC
-
Not connected.
20
BUZZER
O
Buzzer output.
21
POWER CHECK 2
I
Power check input port.
22
POWER CHECK 3
I
Constant 0.7V reference voltage for power check function.
23
REMOTE
I
A / D in for remote controller.
24
GND
-
Ground terminal.
25
POWER SW
O
'H' : Power Off, 'L' : Power On.
26
HOLD
I
'H' : Hold Off, 'L' : Hold On.
27
MUTE
O
'H' : Mute Off, 'L' : Mute On.
28
TU OUT
O
'H' : Tuner Off, 'L' : Tuner On.
29
TUNE IN
I
'L' : LCD displays 'TUNED'.
30
S15
O
'L' : Game enable, 'H' : Game disable.
31
S14
O
LCD segment output.
32
S13
O
LCD segment output.
33
S12
O
LCD segment output.
34
S11
O
LCD segment output.
35
S10
O
LCD segment output.
36
S9
O
LCD segment output.
37
S8
O
LCD segment output.
38
S7
O
LCD segment output.
39
S6
O
LCD segment output.
40
S5
O
LCD segment output.
41
S4
O
LCD segment output.
42
S3
O
LCD segment output.
IC DESCRIPTION
Содержание HS-TX506
Страница 6: ...SECHEMATIC DIAGRAM 1 MAIN EXCEPT YH 6...
Страница 8: ...SECHEMATIC DIAGRAM 2 MAIN YH 8...
Страница 9: ...LCD DISPLAY 9...
Страница 15: ...MECHANICAL EXPLODED VIEW 1 1 15...
Страница 19: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 9920594 0251431 Printed in Singapore...
