Diagrams; Block Diagram - Tuner Section - Sony XR-C8220R Service Manual

XR-C8220R
Q Q
3 7 6 3 1 5 1 5 0
7-1. BLOCK DIAGRAM – TUNER Section –
FM/AM TUNER UNIT
TUX10
FM/AM
ANTENNA
2 FM-ANT
1 AM-ANT
4 6 21 11 5
+
LOW-PASS TIME CONSTANT
FILTER
Q17
T E
L 1 3 9 4 2 2 9 6 5 1 3
9 16 15 13 18
FM/AM PLL
IC10
1 20 5 6 4 2
X10
7.2MHz
w w w
26 25 27 28
• SIGNAL PATH
: FM
: AM (MW/LW)
05
SECTION 7

DIAGRAMS

FM B+ AM B+
D10
8 10 9
24 13 20 22 19
AM B+
SWITCH
AF SEEK SWITCH
IC11
Q16
Q14
WIDE/NARROW
SWITCH
WIDE/NARROW
SWITCH
FM/AM SIGNAL
Q15
METER BUFFER
Q13
7
3 2 1 20 4 53
x a o
. i
– 23 –
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FM L-OUT 18
FM R-OUT 16 R-CH
AM-DET
12
FM-DET 23
15
RV10
FM RDS
S-METER
BUFFER
Q12
AM
ON
LIN
26
Q Q
3 7 6
RDS DECODER
IC150
SC
57 kHz OUT
CIN
CLOCKED
16 BAND-PASS 18 19
COMPARATOR
MPX
FILTER
MULTI
OSCILLATOR
LVIN
20 PATH 2
& CLOCK
DETECTOR
5 4
X150
4.332MHz
52
u 1 6 3
y
SYSTEM CONTROLLER
IC600 (1/5)
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2 4
8 9 9
BAND-PASS
FILTER
IC50
MUTING
Q60
D50
MUTING
R-CH CONTROL SWITCH
Q51
IC51
AM/TIR SIGNAL SELECT
SWITCH
2 1
7
MUTING
Q50
5 6
3
Q52
TRAFFIC INFORMATION REPLAY
IC100
18
D/A
CONVERTER
FIN
20 19 L.P.F. ADIN
A/D
17 16
CONVERTER
FOUT
3 1 5 1 5 0 8 9
STATUS TIMING
CPU INTERFACE
CONTROLLER
REGISTER
11 55 54 1 – 4 5 53
56
5
SIGNAL
QUALITY
DECODER
4
RDS/RDBS
INTERFACE
DEMODULATOR
REGISTER
& DECODER
IIC BUS
SLAVE
TRANSCEIVER
8 9 10
m
75 70 71 97 98 101 96 82 – 85 95 99 100
c o
–
.
– 24 –
2
8 9 9
FM-L
A
(Page 27)
AM/TIR
B
(Page 27)
Q53
SERIAL REGISTER
IC101
CS1
40 17 CS
CS2
41
SADX
39 23 SAD
TAS
TAS
37 18
SAS
36 22 SAS
WE
46 16 WE
RWCK
50 2 RWCK
D-IN/
DIN
11
OUT
DATA I/O 44
2 4 9 8 2 9 9
15 DOUT
OSC
48
35 47
X100
4.19MHz
60 5