Sony HCD-D290 - 6 Diagrams; Tuner Section

– 41 –
– TUNER SECTION – (AEP, UK MODELS)
HCD-D290/G3300/XB3
STEREO
TUNED
MUTE
ST-CE
COM-DIN
COM-CLK
COM-DATA
B
MAIN
SECTION
(page 44)
TM1
ANTENNA
FM 75Ω
COAXIAL
AM
ANT IN IF OUT
F OUT
VT
FE1
FM FRONT END
ST +10V
IF AMP
Q1,2
IF AMP
Q3,4
CF1
10.7MHz
CF2
10.7MHz
CF3
10.7MHz
1
FM IN
5
3
2
26 25 24 23 22 21 20
17
16
15
14
13
12
4
27
6
Q12
MW SW
Q14
LW SW
Q13
MW SW
Q11
MW SW
9
11
191510
LW SW
Q9
REG
29
AM OSC
AM RF IN
FM
FM OSC
PD1 MW
MW
RV42
FM
TUNING
LEVEL
3
4
5
6
30
14
15 11
FM SD
AM / FM
VCO STOP
IF BUFF
MUTE
23
9
5
13
12
2
AM
SD
AM
SD
AM MIX
AM IF
IFT1
X42
450KHz
X43
456KHz
X41
10.7MHz
TUNING
LEVEL
AM
RV41
AMP IN L
L
MPX IN
OUT L
OUT R
AM / FM
8
7
ST LED
TU LED
LPF
RCH
FM / AM MPX
IC41
24
22
20
21
18
16
14
7
2
12
8
1
24
AM OSC
FM
VCO STOP
FM / AM IF
IF REQ
X IN
X OUT
CE
DI
CL
DO
A
MAIN SECTION
(page 43)
PLL
IC21
FE2
MW / LW FRONTEND
• R CH :Same as L CH
• SIGNAL PATH
:FM
:MW
:LW
X21
4.5MHz
AM IF
DET
VCO
Q5
68
67
65
66
72
69
70
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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