JVC RX-301BK Serviceanleitung Seite 43
Inhaltsverzeichnis
= -TC9306F-034BS (1C440):
Tuner Controller
(1) External Diagram
(2) Pin Functions
f
|Pin No. |
Interface
TC9306F —034BS
(TOP VIEW)
LCD Driver Out
ae, 4
5
a
£
y
x
Name
11/0]
Terminal
Function
|
{
|
1+21
[Seg.7~Seg.27|
0 |Drive
the LCD segment.
|
|
22
| Common
1
| 0 {Drive
the common
1 of the LCD.
|
|
23s
Vdd
| -
[Non connection
|
| 24~27
| Key in 0~3 { I |Key input
|
| 28~34 |Key out 0~6 | O [Key output
|
}-——_——-+- —
j=}
|
|
35
| TUNED
IN
| I [Input
for TUNED
indicator
|
|
36
|DC reference|
| {Reference
voltage
for
A/D
|
|
37
| Key out 7
| 0 |Key output
|
|
38
|
DCS
IN
| I |Input
for Direct
Call
System
|
39
|
DCS OUT
{ O [Output
for Direct
Call
System
|
{
acl
t
t
|
|
40
| STEREO
IN
| I |Input
for stereo
indicator
|
|
41
|
MUTE
1 0 |"H" cutput
when
muting
is turned
ON.
|
42
|
STB
| 0 [Serial
Data
Bus
(Connect
to LC7218.)
|
|
43
|
CK
| 0 |Serial
Data
Bus
(Connect
to LC7218.)
|
44
|
50
{| 0 {Serial
Data
Bus
(Connect
to LC7218.)
|
45
|
$1
| I [Serial
Data
Bus
(Connect
to LC7218.)
|
ni eee
rn
|
|
46
|
REF
{| 0 [Output
for PLL reference
frequency
|
|
47
|
INT
| I |Initialized
at "L"
level
|
48
|
INH
| 1 |State of inhibit
at "L" level
|
|
49
|
TEST
|---|[Connect
to GND.
|
|
50
|
XT
[---|Terminal
of crystal
osccilator
(7.2 Milz)
|
|
51
|
XT
{---|Terminal
of crystal
osccilator
(7.2 Milz)
|
Sa
|
52
Ok
GND
|---|Ground
|
83
|
Vdd
|---]+5V
|
|
54
| Common
2
{| 0 |Drive
the common
2 of the LCD.
|
| 55~60
|Seg.1~Seg.6
| 0 |Drive
the LCD segment.
|
L_
i
i ent aie aie et SL
ae
J
RX-301BK
RX-301LBK
(No.20073) 1-39:
Inhaltsverzeichnis
