Sony CFD-460 - Page 17

CFD-460 CFD-460
5-5. SCHEMATIC DIAGRAM —TUNER Section—
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | 16
-c—— - —_-
'
[AUDIO
MAIN
BOARD(1/2)
J
cBhoric| [1C1 |
i ENT
TELESCOPIC
ANTENNA CXA1238S
9 FM/AM FRONT-END/1F/DET
I
|
FM STEREO DEMODULATOR ht is iy
pa) aad a
| 4 4 x< [o)
ad pay Q oO
a a = >
@9
() G
L3 1.4
AM FERRI TE-ROD
ANTENNA ;
|
RVI
|
Z 22k
: [ir a
cat R10 ey rey
4.7 2,2k
D1 50V +
i
CV3
CT3
c22
|
2.2P
24p
RQ
100/10V
C51
|
180k
100P
re
ae
220k
ch R14 5.6k |
| 3.3/16V
C52
100P
(1g)
QT SEL2210R-D
D3
1
GND
R-CH
To Audio GND
L-CH
|
o
TO AUDIO
MUTE MAIN BOARD
(2/2)
See page 23.
i
EE
ane
aati
is
(See
page
23.)
KSR1008
RAD 10
MUTE
|
l
[ee a ee a a cece a eee a eee a mee i ae, ean ate -_ pan _ er ee ss cca ie ee
04
;
e iC Block Diagram -—Tuner Section—
IC1 CXA1238S
oe
Hee
T
ITT
eat
e@ All capacitors are in wF unless otherwise noted. pF: wuF = : B+ Line
50WV
or
less
are
not
indicated
except
for
electrolytics
@
—
|:
adjustment
for
repair.
=—
and tantalums. ® Power voltage is dcl2V and fed with regulated de power Les |
e All resistors are in Q and 1/,W or less unless otherwise supply from battery terminal.
specified. @ Voltage and waveforms are dc with respect to ground under
wrx Res] rm te/
OUSCRI
a
no-signal (detuned) conditions.
no mark: FM
( ): AM
@ Voltages are taken with a VOM (Input Impedance 10M Q).
Voltage variations may be noted due to normal produc-
tion tolerances.
e@ Signal path.
—94— o> : FM
1/2
| COUNTER
@ ®
172
COUNTER
q IF/DET
AUTO BLEND
TUNING
MONO/ST
INDICATOR
BAND PASS
4
DECORD
RIPPLE
MUTE
(3