Block Diagram - Tuner-2 Band Section - Sony CFD-S35CP Service Manual

CFD-S35CP
6-2. BLOCK DIAGRAM – TUNER-2 BAND SECTION –
ANT1
FM TELESCOPIC
ANTENNA
L1
FM RF
CT1, L1
FM TRACKING CT1
D1
L3
AM FERRITE-BAR
ANTENNA
RADOP 6V
CT3
D3
(1/2)
CT3, L3
AM TRACKING
XOUT
20
X1
75kHz
XIN
19
• SIGNAL PATH
: FM
: AM
CFD-S35CP
FM/AM FRONT-END,
IF AMP, DET, MPX
IC1
FM
RF-IN MIX-OUT
FM FM
2 4
RF AMP MIX
FM
FM
RF-OUT
24 OSC
AM
RF-IN
AM AM
22
RF AMP MIX
OSC
BUFFER
-OUT
19
AM
BUFFER
OSC
20 21
L2
FM FREQUENCY COVERAGE
L2
L4
FM OSC
AM
OSC
D3
(2/2)
D2
R-VT
LOW-PASS
FILTER
6 18 17 16
LOW-PASS
FILTER
REFERENCE
PHASE
DIVIDER
DETECTOR/
CHARGE PUMP
12 BIT
UNLOCK
PROGRAMMABLE
DETECT
DIVIDER
PLL
IC2
T2
FM IFT
T2
FM IF
10
FM
IF-IN
CF2
FM IF FM
7
AF
AMP DET
BUFFER
T1
AM IFT
AM
IF-IN
CF4 AM IF
AM
6
AMP
DET
T1
LEVEL
AM IF DET
IF
BUFFER
17
12 11 10
UNIVERSAL
COUNTER
1/2
SWALLOW
COUNTER
SHIFT REGISTER & LATCH
20 20
DET MPX
-OUT -IN
AF
16 15 MPX MUTE
AMP
STEREO/
MONO,
FM/AM
ST
IND
18 13 14
8 7 13
DI
2
CL
3
CCB
CE
INTERFACE
1
DO
4
L-OUT
12 TU-L
MAIN
C
R-OUT SECTION
11 TU-L
(Page 22)
B MUTE
MAIN
D
SECTION
(Page 22)
R-DATA
RCLK
RCE
RCOUNT