Sony CFD-E95 - Block Diagram - TUNER Section

CFD-E95
2020
6-2. BLOCK DIAGRAM – TUNER Section –
R-DATA
R-CLOCK
R-CE
R-COUNT
(Page 21)
R-MUTE
TU L-OUT
(Page 21)
B
D
(Page 21)
C
R-DATA, R-CLOCK,
R-CE, R-COUNT
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
AM
MIX
AM
RF-IN
MIX-OUT
OSC-
OUT
CF2
FM/AM 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/AM RF AMP, MIX, OSC,
FM/AM IF AMP, DET, MPX
IC1
L2
FM VCO VOLTAGE
L4
AM VCO VOLTAGE
CT1, L1
FM TRACKING
T1
AM IFT
CT3, L3
AM TRACKING
LOW-PASS
FILTER
: FM
: AM
X1
75kHz
CT3
L3
AM FERRITE-ROD
ANTENNA
L1
FM RF
XOUT
XIN
AM IN
IF IN
ST-IND
LP-OUT
LP-IN
FM IN
20
19
111218
CT1
D1
L4
AM 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
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
DI
CL
CE
DO
R-CH
DET-
OUT
ANT1
FM TELESCOPIC
ANTENNA
PD
IF-OUT ST-IND
2
3
1
4
10
BAND
7
MO/ST
13817 16
17 18
16
19
D2
D3
(1/2)
D3
(2/2)
T1
AM IF
D11D10
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
LOW-PASS
FILTER
L-CH
12 BIT
PROGRAMMABLE
DIVIDER
T2
FM IFT
T2
FM IF
+9V
D930