Block Diagrams Tuner Section - Sony HCD-XB4 Service Manual

HCD-D590/XB4
6-1. BLOCK DIAGRAMS
– TUNER SECTION –
(
TM1
ANTENNA
FM 75Ω
AM
)
ST +10V
Q5
FE1
CF1
FM FRONT END
10.7MHz
ANT IN IF OUT
FE2
AM FRONTEND
3 ANT IN
10 15 19
CF2
10.7MHz
IF AMP IF AMP
Q1,2 Q3,4
FM / AM MPX
7
B+
9
F OUT
RF OUT 13
VT
14
PLL
IC1
– 39 –
22 MPX IN
24
AM / FM
OUT L 20
1 FM IN
OUT R 21 RCH
IC2
4 REG
2
AM MIX 5
AM IF
IFT41
AM
12
SD
X42
10.7MHz
29 AM OSC 9
RV42
AM
TUNING
LEVEL
27 AM RF IN
AM
13
SD
X43
450KHz
23
X41
30 14 15 11
456KHz
RV41
FM
TUNING
LEVEL
X21
4.5MHz
14 7 2 12 8 1 24
CE
DI
CL
DO
16
L
18 AMP IN L
LPF
A
MAIN SECTION
(page 41)
STEREO
ST LED 8
TU LED TUNED
7
AM IF
DET
VCO
MUTE
B
MAIN
SECTION
(page 42)
ST-CE
3
4 COM-DIN
5 COM-CLK
6 COM-DATA
• R CH:Same as L CH
• SIGNAL PATH
:FM
:AM