Read Sony CDX-C570R / CDX-C580R / CDX-C580RW Service Manual online
4-3. BLOCK DIAGRAM — MAIN SECTION —
CDX-C570R/C580R/C580RW
– 31 –
– 32 –
-3
L
2
1
62
63
64
2
3
1
1
1
2
12
18
16
4
11
21
20
22
19
19
83
81
53
8
9
10
6
9
13
15
16
5
CNJ600
(ANT)
AM ANT
FM L-CH
FM R-CH
LO/DX
AM-IFC
FM-IFC
VCO
SD
ST-IND
23
FM-DET
S-METER
FM+B
TU+B
AM+B
VT
AM DET
FM ANT
TUNER UNIT
TU1
TUNER LINE SWITCH
IC404(1/2)
IC404(2/2)
R-CH
R-CH
Signal path
: FM
: MW
: CD
: FM
: MW
: CD
CD
SECTION
PJ400
R-CH
R
-1
-2
BUS AUDIO IN
L
35
36
37
38
TONE
21
20
ELECTRONIC VOLUME
IC401
18
17
16
L4
L1
L3
L2
CL
DI
CE
FLOUT
RLOUT
SYSTEM CONTROL
IC801(2/2)
59
58
41
104
14
13
90
49
72
37
64
109
47
48
12
15
61
60
FM8V
RV801
S-METER
AM8V
D602
D601
TU 5V REG
Q601
B+ SWITCH
Q604, 605
SWITCH
Q901,902
COM+B REG
Q903
D-BASS
SWITCH
S801
ROTARY
ENCODER
RE801
TU5V
TU5V
FM8V
5
4
6
10
11
9
18
1
20
PLL
IC601
LO/DX
IFIN
AMOSC
DIN
CLK
DOUT
X OUT
X IN
FMOSC
PD
VT
CONTROL
Q611
VT
SWITCH
IC603
S-METER
BUFFER
Q801
X601
7.2MHz
29
13
2
10
3
11
4
9
8
6
12
1
22
21
36
76
24
20
46
43
79
106
107
BUS INTERFACE
IC803
RST
BATT
CLK
CLK
DATA
BUS ON
RES
B/U C
CLK IN
DATA IN
DATA OUT
BUS ON
BATT
CHECK
Q906
BACK UP LINE
7
8
2
3
1
5
6
4
BACK UP LINE D807
D910
CNP801
(BUS CONTROL IN)
IR
RECEIVER
IC802
Q706
PULL UP 5V
LCD DRIVE
IC801
CE
CLK
DATA
MUTE
Q111
MUTE
Q110
AMBER LED
SWITCH
Q803
MUTE
SWITCH
Q401
GREEN LED
SWITCH
Q804
U COM 5V
TU 5V
COM+B
BACK UP LINE
RESET
IC902
S900
RESET
CNP802
(REMOTE IN)
(REMOTE IN)
KEY MATRIX
LSW801-819, S802
(DISPLAY BOARD)
KEY ACTIVE
Q914,915
PL801
PL802
PL802
LAMP REG
Q802, 805
LSW801-819
LED801-805
TEL MUTE
SWITCH
Q916
4
5
9
10
11
6
8
8
2
3
7
POWER SUPPLY
IC901
STBY
BU5V
COM8V
COM8V
AM8V
FM8V
FM8V
PULL UP 5V
U COM 5V
COM+8V
AM8V
FM8V
MODE2
MODE1
VCC
AMP+B
ANT+B
BACK UP LINE
BACK UP LINE
ACC
CHECK
Q905
D906
F901
11
3
12
4
10
2
9
1
13
ATT
16
BATT
7
ACC
5
AMP REM
6
ANT REM
15
TEST
X1A
X0A
PLL SO
62 TU MUTE
PLL CKO
PLLSI
20
16
14
10
9
8
10
11
9
4
2
4
5
RDS DEMODULATOR
IC602
SMETER
FM-DET
AVDD
CLK
DATA
DAVN
XI
XO
MPDH
PLL SO
PLL CKO
PLLSI
SD IN
13
82
SEEK
SEEK OUT
65 AF SEEK
ST IN/MONO
S-METER
KEY IN0
SYSRST
UNI CKI/O
UNI SO
UNI SI
UNI SI
BUS ON
BU IN
BU IN
SIRCS
AD ON
AVRH
KEY ACK
RE0
RE1
ACC IN
TEL MUTE
KEY IN1
KEY IN2
RC IN0
RC IN1
RESET
MPDH
108 LAMP ON
LCD CKO
LCD SO
P2/S2
S3
P1/S1
LCD CE
REGMOD1
REGMOD2
PW SEL
AMP MUTE
BEEP
D801
Q402
AF MUTE
AU MUTE
VOL CE
VOL SO
VOL CKO
PW ON
TEST
NOSE
12
11
5
3
9
7
POWER AMP
IC200
22 4
FL
RL
MUTE
STBY
-6
REAR
R
-5
L
-4
FRONT (C580R/C580RW)
REAR (C570R)
REAR (C570R)
R
R-CH
R-CH
C580R/C580RW
C580R/C580RW
C570R
PJ400
R-CH
CNP501
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
55
AMP ON 56
110
111
80
95
40
SW801
(POWER SELECT)
OFF
ON
04
BACK UP
D918
D919
LINE OUT
+
92
93
X800
4.19MHz
X602
4.332MHz
X0
X1
73
74
X801
32.768kHz
AM 8V
Q610
8
6
9
1
13
2
MUTE
Q607
MUTE
SWITCH
Q701
1
7
3
HPF
2
6
5
HPF
LCD801
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