Sony CFD-S350L - Block Diagram - Tuner Section (CFD-S350 L Model)

CFD-S350/S350L
21 21
CFD-S350/S350L
6-3. BLOCK DIAGRAM — TUNER SECTION (CFD-S350L MODEL) —
2
24
4 7
20 21
FM
RF AMP
FM
MIX
FM
OSC
FM IF
AMP
IF
BUFFER
AF
BUFFER
AF
AMP
MPX
MUTE
STEREO/
MONO,
FM/AM
AM IF
AMP
FM
DET
AM
DET
6
FM
RF-IN
22
AM
RF AMP
Q14
AM
MIX
AM
RF-IN
MIX-OUT
OSC
-OUT
CF2
PLL
IC2
CF4
FM
RF-OUT
10
QUAD
FM
IF-IN
12
15
11
L-OUT
MPX
-IN
R-OUT
13
AM
IF-IN
LPF1/BAND
AM OSC FM OSC
FM/MW/LW FRONT-END,IF AMP,DET,MPX
IC1
L2
CT1, L1
FM TRACKING
T1
AM IFT
LOW-PASS
FILTER
LOW-PASS
FILTER
• SIGNAL PATH
: FM
: AM (MW/LW)
X1
75kHz
CT3
L1
FM RF
XOUT
XIN
AM IN
IF IN
ST-IND
LP-OUT
LP-IN
FM IN
20
19
111218
MW/LW
6
CT1
D1
L4
AM (MW/LW)
OSC
L2
FM OSC
LEVEL
DET
ST
IND
14
LPF2/MO-ST
AM
OSC
BUFFER
BUFFER
SWALLOW
COUNTER
UNIVERSAL
COUNTER
CCB
INTERFACE
REFERENCE
DIVIDER
UNLOCK
DETECT
12 BIT
PROGRAMMABLE
DIVIDER
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
BAND
DET
-OUT
ANT1
FM TELESCOPIC
ANTENNA
PD
IF-OUT ST-IND
2
1
10 9
BAND
7
MO/ST
13817 16
17 18
16
19
CT5
D2
VT B+
D3
(1/2)
D3
(2/2)
MW/LW
HIGH CUT
Q12
T1
AM IF
Q42
Q41
RADIO
+6V
Q41, 42
MW SWITCH
L3-1
MW
L3-2
LW
L3
MW/LW
FERRITE-BAR
ANTENNA
LW
SWITCH
Q44
LW SWITCH
Q43
• R-ch is omitted due to same as L-ch.
R-CH
TU-LOUT
B
VT REG
Q61
T2
FM IFT
T2
FM IF
FM FREQUENCY COVERAGE
R-DATA
R-CLK
R-CE
R-COUNT
C
B MUTE
DI
CL
CE
DO
2
3
1
4
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