Block Diagram - Tuner-3 Band Section - Sony CFD-S35CP Service Manual

6-3. BLOCK DIAGRAM – TUNER-3 BAND SECTION –
ANT1
FM TELESCOPIC
ANTENNA
L1
FM RF
CT1, L1
FM TRACKING
CT5, L3-2 CT3, L3-1
LW TRACKING MW TRACKING
L3-1
MW
CT5
RADIO 6V
LW SWITCH
Q43
L3-2
LW
Q42
Q41
L3
MW/LW
Q41, 42
FERRITE-BAR
MW SWITCH
ANTENNA
Q14
• SIGNAL PATH
: FM
: MW/LW
CFD-S35CP
FM/MW/LW FRONT-END,IF AMP,DET,MPX
IC1
FM
RF-IN
FM FM MIX-OUT
2
RF AMP MIX
FM
FM
RF-OUT
24 OSC
CT1
D1
AM
RF-IN
AM AM
22
RF AMP MIX
OSC
BUFFER
-OUT
CT3 AM
D3
BUFFER
OSC
(1/2)
20 21
FM FREQUENCY COVERAGE
L4
AM (MW/LW)
L3
OSC
LW
MW/LW
SWITCH
FREQUENCY
Q44
COVERAGE
D3
(2/2)
D2
LOW-PASS
FILTER
6 18
LOW-PASS
FILTER
XOUT
20
X1
REFERENCE
75kHz DIVIDER
XIN
19
UNLOCK
DETECT
PLL
IC2
10
FM
CF2 IF-IN
FM IF FM
4 7
AMP DET
T1
AM IFT
AM
CF4 IF-IN
AM IF AM
6
AMP DET
T1
AM IF
IF
BUFFER
19
17
L2
L2
FM OSC
CURRENT
SOURCE R-VT
Q61
17 16 12 11 10
UNIVERSAL
PHASE
DETECTOR/
CHARGE PUMP
1/2
12 BIT
SWALLOW
PROGRAMMABLE
COUNTER
DIVIDER
SHIFT REGISTER & LATCH
21 21
T2
FM IFT
T2
FM IF
DET MPX
-OUT -IN
AF AF
16 15
BUFFER AMP
MW/LW
HIGH CUT
Q12
LEVEL
DET
ST
IND
18
8 9 7 13
COUNTER DI
2 2
CL
3
CCB
CE
INTERFACE
1 1
DO
4
CFD-S35CP
L-OUT
12 TU-L
MAIN
C
MPX MUTE
R-OUT SECTION
11 TU-R
(Page 22)
STEREO/
MONO,
FM/AM
13 14
B MUTE
MAIN
D
SECTION
(Page 22)
RDATA
RCLK
RCE
RCOUNT