Sony CFD-RG880CP - Block Diagram -TUNER Section

CFD-RG880CP
CFD-RG880CP
2626
7-2. BLOCK DIAGRAM – TUNER Section –
O-TU-CE
37
O-TU-CLK
35
O-TU-DATA
36
I-TU-COUNT
33
SYSTEM CONTROL
IC801(2/4)
19
L1
L3
FERRITE-ROD
ANTENNA
D1
D11
D10
2
24
21
22
20
FM
MIX
FM RF IN
FM RF OUT
FM OSC
AM RF IN
AM OSC
FM
OSC
AM
MIX
AM
OSC
OSC
OUT
4
MIX OUT
16
IF
BUFFER
CF2
CF4
7
6
FM IF-IN
AM IF-IN
FM
MPX
FM/AM
BUFFER
FM
DET
AM
DET
15
B
DET OUT
17
MUTE
12
11
R-CH
10
FM/AM FRONT-END
IF AMP,DET,FM MPX
23 5
RADIO 6V
QUAD
VCC1 VCC2
MAIN
SECTION
T2
CE
12
11
14
13
14
13
MO/ST
BAND
10
4
2
3
1
20
19
FM/AM PLL
IC2
FM IN
AM IN
VDD
XOUT
XIN
CL
DI
DO
IF IN
MO/ST
6V
X1
75kHz
D909
U-COM(VDD)
TU LCH
RADIO 6V
CT1
L2
D2
RADIO 6V
CT3
RADIO 6V
D3
L4
ANTENNA
FM
TELESCOPIC
IC1
T1
18
LP OUT
16
PD
18
ST IND
8
ST IND
7
BAND
IFOUT
MPX-IN
O-TU-MUTE
34
RADIO 6V
ANT1
17
LP IN
CT1,L1
FM
TRACKING
L2
FM
FREQUENCY
COVERAGE
CT3,L3
AM
TRACKING
L4
AM
FREQUENCY
COVERAGE
T1
AM IF
T2
FM IF
MUTE
SWITCH
Q833
: FM
: AM
• Signal Path
• R-CH is omitted due to same as L-CH.
(Page 27)