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Sanyo FXD-803LD Service Manual page 54

Digital full panel detachable 4-channel super high power fm stereo/mw/lw receiver compact disc player

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IC BLOCK DIAGRAM/TERMINAL
FUNCTION (RADIO/GENERAL
SECTION)
ICOO1 (LC7219M)
AV-COMPATIBLE,
ELECTRONIC-TUNING
PLL FREQUENCY
SYNTHESIZER
XIN
XOUT
FMIN
AMIN
CE
DI
CL
cm
PD1
PD2
HCTR
LCTR
VDD
Vss
—.
.—
_—
.
OUTO OUTI
0UT2
0uT3
0uT4
0UT5
0UT6
INO
IN 1
IC702 (TC9130F)
4-CHANNEL,
INDEPENDENT
CYCLIC TYPE TACTILE SWITCH
VDD
OYD
f
n
C:il
DIS-I
.—
-—-
—.
—-
—-
-—.
-—.
T
1
Sons
Or
&
IN-1
8 -
Schmitt
T
type
flip–flop
OUT-1
i.- "m:r-<—.l-
.- '___._:_._——
'-–-
K.1
DIS-2
(
-—-
—-—-—-—-
—-
-—-
IN-2
Samo
as
above
cH2
OUT–2
i-
—-—-.
—-
1
~-_-—-
—-—-
DIS–3
}
—-
—-—-—-
—-
—-—-—
-—-y
IN–s
Same
as
above
CH3
OUT-3
.—
- —-
I
--rF—
-—-—----
i
!---
—___
—-—
--—-
—-—
-
-—-
1
IN-4
Samo
as
above
CH4
-—-—--v=-—-;-—-—-
Cs
1
K4
DIS-4
OUT-4
KS
-60-

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