Sony ICF-7600DA - Page 31

3-5. SCHEMATIC DIAGRAM (2)
1 2
{KEY BOARD]
ROTARY
ENCODER
TUNING
TIME ADJ
CONTROL SECTION
3 4 5
1C203-205 1C206
MC7T4HCOOF = MC74HC74F
ROTARY ENCODER ——
1C203(2/4) 1C204 (C205
~“
——i—}
Sanaa.
|
0
TURNING: PULSATIVE SIGNAL TUNING
CONTROL SECTION
8 9 10 11 12 13 14
TO MAIN
TO MAIN TO MAIN (\
BOARD
BOARD
B
eens
——-——
A El we
ir <| i} < =
a) Q} oOo} 4 =x
R225
330
D206
@
D206
SLPI78B
R232 3.3k
TUNING/TIME ADu.
CLOCKWISE TURN: 3V
COUNTERCLOCKWISE
TURN: OV
j
aa
PIN
fay.)
|
|
. |
NOC OF, 1SISEC
7 e+ q
: 1
vor | \/\y
1.6V P-P .
cee J
eS
ee
woman
vee
{1
|]
||]
R
10k
UP
TO
SERIAL
NO.790!1
I3ySEC
a
Eee
en
ana
15 16
20mSEC
3.2V 20mSEC
=|
|
—==0V
eS
yPODITIS
RX CONTROLLER
/LCD DRIVER
2 2
2SK209-0
2SC1623-L5
R230
a
C221
PLL
LOW
PASS
FILTER——
a211
10k
eye
ake
sy
ry
470p
vn [mz ok
3V P-P
PA2
PAO
PAI
C210
\OpF :UP TO SERIAL NO.7901
c2ii
20pF: UP TO SERIAL NO.7901
PI
ISpF:SERIAL
NO.7902
AND
LATER
36pF:
SERIAL
NO.7902
AND
LATER