Sony HCD-RX77 - Tuner Section Block Diagram (AEP;UK;DE)

HCD-GRX7/GRX7J/R700/RX77/RX77S
7-1. BLOCK DIAGRAM – TUNER Section (AEP, UK, German models only) –
– 21 –
– 22 –
TM1
ANTENNA
FM 75Ω
COAXIAL
ANT IN
ST +10V
Q5
B+ SWITCH
VT
FM CIRCUIT B+
FE1
FM FRONT-END
IF OUT
+B
CF1
10.7MHz
FM IF AMP
Q1, 2
CF2
10.7MHz
CF3
10.7MHz
FM-IN
REG
FM/AM IF AMP,
AM RF AMP/MIX/OSC,
FM/AM DET, MPX
IC41
05
FM/AM PLL
IC21
FM TUNED
LEVEL
RV42
X42
450kHz
D41
FM SD
AM/FM
VCO-STOP
IF-BUFF MUTE
AM-SD
ADJ
AM SD
AM TUNED
LEVEL
RV41
AM IF
IFT41
AM
IF
AM
DET
OUT
FM DET
STEREO
TUNED
X41
10.7MHz
MUTE
STEREO
STEREO, TUNED, MUTE,
ST-CE, ST-DOUT, ST-CLK, ST-DIN
TUNED
FM DET-OUT
MPX
IN
OUT L
OUT R
LPF41
L.P.F.
R-CH
AMP
IN L
AMP
OUT L
ST-L
ST-CE
ST-DOUT
ST-CLK
ST-DIN
CE
DI
CL
DO
X21
4.5MHz
AM-MIX
Q9
LW SWITCH
FE2
MW/LW FRONT-END
Q11
MW
SWITCH
Q12
MW
SWITCH
Q14
LW SWITCH
Q13
MW
SWITCH
AM-OSC
AM-RF IN
RDS DATA
RDS INT
FM
VT1
MW
MW
AM OSC
FM
VCO STOP
FM/AM IF
XIN
XOUT
RDS SIGNAL BUFFER
IC1751
RDS DECODER
IC1752
X1751
4.332MHz
5
7
MUX
DATA
INT
OSCI
OSCO
AM
1
5
7
1
6
14
13
15
16
17
29
27
30
14 15 13
4
24
7
6
2
5
3
2
10
17
9 11
14
7
2
12
IF REQ
8
1
24
4
3
6
5
26 25
24
23
22
21
20
6
FM IF AMP
Q3, 4
12
23
22
4
13
14
2
16
21
19
17
20
28
10
12
9
(Page 29)
I
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K
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J
• SIGNAL PATH
: FM
: AM (MW/LW)