Tuner Section (East European, Cis Model) - Sony HCD-XB8 Service Manual

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— TUNER SECTION — (East European, CIS model)
ST +10V
Q5
TM1
FM FRONT END
ANTENNA
FM 75Ω
ANT IN
COAXIAL
AM
10 17 9
09
FE1
CF1
CF3
10.7MHz
IF AMP 10.7MHz
IF OUT
Q1-4
FE2
MW/LW FRONTEND
6 12 4 REG
LW SW
Q9
5 13
14
3 15
16
2
17 29
AM OSC
26 25 24 23 22 21 20
27 AM RF IN
Q14
LW SW
Q11 30
Q12
MW
Q13
MW
SW
RV42
MW
SW
SW
FM
TUNED
LEVEL
11 14
PLL
IC21
— 21 —
1 FM IN AM/FM 24 22 MPX IN
FM/AM MPX SUB CARRIER
IC41 PEAK
CT1701 L1701
AM IF
2 5
AM MIX AM IF
IFT1
X41
RV1701
AM
10.7MHz
12
SD STEREO 8
SUB CARRIER
9
RV41 DET
LEVEL
TUNED 7
AM
TUNED
LEVEL
AM
13 VCO
23
SD
X42 X43
14
15 11
450kHz 456kHz
D41
D42 D43
X21
4.5MHz
7 2 12
8 1 24 13
CE 3
4
DI
CL 5
DO 6
OUT L 20
POLAR/PILOT
SWITCH
IC1702
POLAR
DECODER C0
5
IC1701
C. COM
4
TP1701 C1
2 7 3
IN L OUT
3 POUT 6 R CH
R OUT
A. COM 14
C A
9 11
SUB IN
20
18 17
10 9
D1701
TP1702
RV1702
D1702
VCO
SWITCH SWITCH
Q1702 Q1703
D1704
— 22 —
It`s Free
HCD-XB8
AMP
AMP
LPF 18
IN
16
OUT
L
L
• R CH: Same as L ch
• SIGNAL PATH
: FM
R CH
: MW
SWITCH
Q1701
D1703
ST-L
STEREO
TUNED
MUTE
A
MAIN
SECTION
ST-CE
(Page 27)
COM-DIN
COM-CLK
COM-CLK