Sony HCD-XB8 Service Manual page 18

www.freeservicemanuals.info
HCD-XB8
6-2. BLOCK DIAGRAMS
— TUNER SECTION — (AEP, UK model)
TM1
ANTENNA
FM 75Ω
COAXIAL
AM
09
ST +10V
Q5
FE1
FM FRONT END
CF1
CF2
10.7MHz
10.7MHz
IF AMP
ANT IN IF OUT
Q1, 2
FE2
MW/LW FRONTEND
6 12
5 13
14
3 15
16
2
17
26 25 24 23 22 21 20
Q14
LW SW
Q12
Q13
MW
MW
SW
SW
10 17 9
PLL
IC21
— 19 —
CF3
10.7MHz
IF AMP
1 FM IN AM/FM
Q3, 4
FM/AM MPX
IC41
4 REG
LW SW
Q9
AM IF
AM MIX 2 5 AM IF
IFT1
X41
29
AM OSC
AM
12 10.7MHz
SD STEREO
9 DET
RV41
TUNED
AM
TUNED
27 AM RF IN
LEVEL
AM
13 23 VCO
SD
X42 X43
Q11 30 14 15 11
450kHz 456kHz
MW
SW
RV42
FM
TUNED
D41
LEVEL
X21
4.5MHz
11 14 7 2 12 8 1 24
AMP
OUT L 20 LPF 18 AMP IN L
24 22 MPX IN 16
OUT
L
OUT R 21 RCH
RDS DECODER
IC1751 IC1752
4 2
5 7
16
13 14
X1751
4.332MHz
ST L
• R CH: Same as L ch
RDS INT
RDS DATA
• SIGNAL PATH
8 STEREO
: FM
7 TUNED
: MW
A
MUTE
MAIN
SECTION
(Page 27)
3 ST-CE
CE
DI 4
COM-DIN
5
CL COM-CLK
DO COM-DATA
6
— 20 —
It`s Free