Block Diagram -Main Section - Sony WX-C570R Service Manual

WX-C570R
Q Q
3 7 6 3 1 5 1 5 0
6-3. BLOCK DIAGRAM — MAIN SECTION —
TUNER UNIT
TU1
J1
1
ANT AM L-CH OUT
(ANTENNA)
2 ANT FM
R-CH OUT
AMDET
FM 8V +B FM
8
D1
TU 8V 9 +B TU
AM 8V 10 +B AM
S-METER
SD
ST
SEEK
IFC AM
IFC FM
VCO
T E
L 1 3 9 4 2 2 9 6 5 1 3
LO/DX
VT
FM DET
Signal Path
: FM
: MW
: TAPE
04
: CD
w w w
FM/AM SELECT
IC303
18
11 10
16 R-CH
9 8
Q151
6 12
12
AM 8V MUTE
DRIVE
R-CH
Q352
Q351
RV31
Q31
S-METER
19
20
22
13
PLL
IC51 X51
7.2MHz
X1 1
11 13 AM IF
21 X0 20
15
6 AM OSC
DO 6
16 FM OSC
DI 5
4 9 LO/DX CLK 4
CE 2
LPF
5
18 PD
Q41
AM 8V
SWITCH
IC41
7
X501
1 2 32.768KHz
6 5
3
X502
3.68MHz
Q61
RDS MODULATOR
IC81
20 LVIN
Q82
MPTH 2
DAVN 8
23 16 MPX
SDA 9
SCL
10
4 OSCO
X81
5 OSCI
4.332MHz
TU 5V
+B SWITCH 5V REG
RDS 5V TU 8V
Q81 Q71
x a o
. i
– 37 –
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CN304
ELECTRONIC VOLUME
–2
IC302
R-CH
R
BUS AUDIO IN
–1
36
L
38
34 33
2
TAPE SECTION TAPE L-CH 35
37
16 18 17
1
CD SECTION CD L-CH
SYSTEM CONTROL
IC501(1/2)
VOL CKO 67
65 TU MUTE
VOL CE
53 68
VSM
VOL SO
66
57 SD IN
62 FM ST
MUTE 84
64 SEEK OUT
BUZZER
15 DRIVE BZ591
BEEP
(BUZZER)
Q591
9 SI
Q Q
3 7
10 SO
PLL
11 CKO
CE
19
ON
POR SEL 31
S501
POWER
SELECT
OFF
X1A
73
AMP ON 85
74 X0A
92 X0
93 X1
TU ON 117 2
FM ON 116 3
Q1001
83 AF SEEK
118
P ON 4
AM 8V 10
52 MPTH
FM 8V 11
72 DAVN RDS
70 SDA
SCL
71
TEL MUTE
101
ILL IN 102
ACC IN 81
TEST 100
PON
u 1 6 3
y
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2 4
8 9 9
FL
21
TONE/
DBB
20
RL Q182 Q181 Q802
MUTE MUTE
DRIVE DRIVE
Q924 Q451
MUTE
CONTROL
Q903
POWER AMP
IC306
START
6 3 1 5 1 5 0 8 9
BATT MUTE
Q921,922
1
HIGH VOLT
BATT CHECK
11
Q923
10 MUTE1
2 STBY
D922
POWER SUPPLY
IC901
MODE 2 VCC 7 BATT
MODE 1
AMP +B 6
STBY
8
ANT +B
AM 8V
COM 8V 9 COM 8V
6V REG
+6V
IC941
PUL 5V
BU 5V
D564
FM 8V
D569
TEL MUTE
CONTROL
Q902
DIMMER
CONTROL
Q901
ACC
CHECK
Q971
3
TAPE SECTION
m
c o
.
– 38 –
2
8 9 9
CN803
-1
L
LINE OUT
-2
FRONT
R-CH R
-3
L
LINE OUT
Q801
REAR
-4
R
R-CH
CN900
1
2 4 9 8 2 9 9
3 FL+
9
5 FL–
2
7
RL+
10
9 RL–
4
FR+
12
FR–
3
R-CH
RR+
11
RR–
5
AMP REM
6
ANT REM
19
BATT BATT
13
ATT
14
ILL
7
ACC
15
TEST