Sony HCD-D90AV - Page 20

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— 22 —
HCD-D90AV/GR10AV/RX100AV
7-2. BLOCK DIAGRAMS
— TUNER SECTION — (AEP, UK, German model)
TM1
AM
ANTENNA
FM 75Ω
COAXIAL
ANT IN
ST +10V
Q5
VT
FE1
FM FRONT END
IF OUT
CF1
10.7MHz
IF AMP
Q1, 2
CF2
10.7MHz
IF AMP
Q3, 4
CF3
10.7MHz
1 FM IN
REG
FM/AM MPX
IC41
1710
09
PLL
IC21
11
FM
TUNED
LEVEL
15
11
30 14
RV42
2
1214
7
8
13
X42
450kHz
D41
FM SD
AM/FM
VCO STOP
IF BUFF
MUTE
AM
SD
AM
TUNED
LEVEL
12
RV41
2
AM IF
IFT1
5
9
23
AM IF
DET
VCO
STEREO
TUNED
8
7
X43
456kHz
X41
10.7MHz
MUTE
STEREO
TUNED
24 22
AM/FM
MPX IN
20
21
OUT L
OUT R
LPF
RCH
18
AMP IN L
AMP
OUT
L
16
ST L
4
5
3 ST-CE
COM-DIN
COM-CLK
COM-DATA
A
MAIN
SECTION
CE
DI
CL
DO
1 24
X21
4.5MHz
AM MIX
AM
SD
6
4
5
2
15
17
16
14
12
13
29
26 25 24 23 22 21
20
9
LW SW
Q9
27
FE2
MW/LW FRONTEND
Q11
MW
SW
Q12
MW
SW
Q14
LW SW
Q13
MW
SW
AM OSC
AM RF IN
• R CH: Same as L ch
• SIGNAL PATH
: FM
: MW
RDS DATA
RDS INT
(Page 29)
6
FM
VT1
MW
MW
AM OSC
FM
VCO STOP
FM/AM IF
IF REQ
XIN
XOUT
3
4
13 14
2
16
IC1751
RDS DECODER
IC1752
X1751
4.332MHz
57