Sony ICF-7600DA - Page 18

1-4. ON THE NEW LCD PANEL, LCD1
This
radio
uses
a
new
liquid-crystal
display
panel
incorporating
dial
pointer
itself,
band
indicator,
ordinal
frequency
and
clock
indicators,
etc.
The
outline
of
this
LCD
is
as
follows.
1) Outline of Pinouts:
cOMI---( |}
s
(35}--swe F>
$
5
(40 )-~SE626
SE
SEC
(45)--SE621
8
(50 }--SE6I6
SE
SE
(55)--SEGII
cS]
(60)-- SEGé
Et
SE
(66 )--- COMP
( ): TERMINAL NA. OF LCD
2) Relationship of LCD Segments to LSI Pins:
‘On Soe, ny yy: fl: Kat 6 fof, Miz OFF rae
Ce)
=
Cech
Cts
‘LI:
0
6
kz
en
@10
@ 9
48 9
CLOCK
ALARM
STANDBY
SLEEP
ereser
©"
Checking Example: Check pin 8 of IC201 when the
“CLOCK”? display is not obtained properly.
50Hz oY Partial Matrix
LCD COM. | yp 5y COMI ALARM
IC201 Pin 13 es eo av
i}
I COM. 2 CLOCK
LcD com.2 |!
i)
!
t
toy
fdigc)
IC201 Pin 12 1 COM. 3_h (not used)
LepD
com.3
!
Va
IC201
Pin.
8
C20!
Pin
11,
eae
ae
LCD.3
plore ty
WHEN “CLOCK” IS ON
AT 150 Hz OPERATION
14 1
WHEN
“ALARM”
ISON!
AT50HzOPERATION
|
\
1
WHEN BOTH “CLOCK” AND
“ALARM” ARE OFF
3) Dial-pointer Movement:
The
LCD
dial
pointer
moves
up
or
down
as
the
TUNING
knob
is
rotated
in
24
kHz
in
LW
band,
20
kHz
in
SW1
thru
SW6,
25
kHz
in
SW7
thru
SW12
and
in
1.3
MHz
step
in
FM
band
except
these
upper
and
lower
band
edges
at
where
the
pointer
moves
irregularly
as
in
the
MW
band.