Block Diagram - Sony HCD-xb5 Service Manual

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3 7 6 3 1 5 1 5 0
6-2. BLOCK DIAGRAM – TUNER Section – (East European, CIS MODELS)
ST +10V
Q5
TM1
FE1
ANTENNA
FM FRONT END
FM 75Ω
ANT IN IF OUT
COAXIAL
AM
MW SW
T E
L 1 3 9 4 2 2 9 6 5 1 3
10 15 19 9
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24
AM / FM
CF1
CF2 CF3
10.7MHz
10.7MHz 10.7MHz
IF AMP IF AMP
1 FM IN
Q1,2 Q3,4
FM / AM MPX
IC41
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
Q14
27 AM RF IN
LW SW
Q12
Q11
Q13
MW SW
MW SW
30 14 15 11
RV42
FM
TUNED
LEVEL
11 13 14 7 2 12 8
PLL
IC21
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i
– 39 –
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8
IC1702 SWITCH
AMP OUT L 16
OUT R 21 RCH
22 MPX IN
L IN
L OUT
OUT L 20 5 4 LPF 18 AMP IN L
3
POLA
L IN R CH
9 11
SUB CARRIER
PEAK ADJ
STEREO
70
STEREO 8
TUNED 69
L1701 CT1701
TUNED 7
AM MIX 2 AM IF
5
AM IF
IFT41
AM
12
SD
RV41
Q1702
AM
SW
TUNED
LEVEL
X41
10.7MHz
9 DET
AM
13
SD
X42
RV1701
450KHz
SUB CARRIER
23 VCO
LEVEL ADJ
X43
Q Q
456KHz
3 7 6 3
MUTE 72
Q1703
SW
B MAIN SECTION
(page 44)
X21
4.5MHz
1 24
ST-CE
68
CE 3
COM-DIN
67
DI 4
COM-CLK
65
CL 5
COM-DATA
66
DO 6
u 1 6 3
.
2 4
9 9 8
A MAIN SECTION
(page 43)
IC1701 POLAR DECODER
IN
S&H
2 GATE
BUFFER
WAVE
3
FORM
TP1701
(FILTER)
PHASE
TRIGGER
COMP.2
PHASE
20 19 14 OSC
COMP.1
MUTE
9
10
1 5 1 5 0 8 9 2 4
+7V
• R CH :Same as L CH
• SIGNAL PATH
:FM
:MW
:LW
m
c o
– 40 –
2
9 9
7
6
R CH
PHASE
1/2 1/2 18 TP1702
(VCO)
19
RV1702
VCO
9 8 2 9 9
Q1701
SW