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CDX-CA400/CA530X/CA580X
Q Q
3 7 6 3 1 5 1 5 0
3-3. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TU601
CNJ601
2
FM_ANT
L-CH
(ANTENNA)
R-CH
1
AM_ANT
DET_OUT
AM_DX/LCL
FM_DX/LCL
T E
L
1 3 9 4 2 2 9 6 5 1 3
FM/AM_OSC
FM_VT
AM_VT
OSC-IN
IF_COUNT
13
FM/AM_VCC
25
FM POWER
TU+8V
CONTROL
12
FM_VCC
S_METER
Q605,606
SD/ST_IND
AM POWER
CONTROL
9
AM_VCC
Q603,604
D931
TUNER ON
D932
TUNER +8V
TU+8V
Q913,D913
w w w
ELECTRONIC VOLUME
A
15 BUS L
R-CH
23 BUS R
CD
CDL
14
AU-L
(Page 15)
SECTION
16
18
L1
17
R-CH
L2
24
17
21
R2
LCD CE
2
CE
DISPLAY
C
LCD DO
1
DI
SECTION
LCD CLK
36
CL
(Page 17)
SYSTEM CONTROL
PLL
IC601
17
LV CLK
16
LV DO
15
LV CE
3
8
LCL
4
11
15
FM_VCO
16
AM_VCO
D_OUT 6
8
PLL_DI
D_IN 4
12
PLL_DO
6
18
FM_CP
CK 5
11
PLL_CLK
14
19
VT
CE 3
13 PLL_CE
20
AM_CP
19
2
OSC
20
10
SEEK
XO
1
13
IFC
11
MONO
XI
24
X601
10.25MHz
21
28
S_METER
22
26
SD_IND
32
DST_SEL
CD
B
X EN
SECTION
(Page 15)
CONTROL
Q909,912
REG
BATT
x
a o
y
.
i
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IC401
FL OUT
5
RL OUT
4
FR OUT
33
LINE MUTE
LINE MUTE
R-CH
RR OUT
34
Q102
Q101
R-CH
LINE MUTE
CONTROL
IC801 (2/3)
Q401,402
ATT
6
BEEP
14
Q
Q
PW ON
55
3
7
6
7
A_ATT
ACC IN
61
TEST
33
49
A REMO
BUS SI
18
19
BUS SO
BUS CLK
20
21
BUS CK GEN
BUS ON
53
SB RST
54
BU IN
46
23
FM_ON
22
AM_ON
BATT
DET
BATT
Q904,D907
u 1 6 3
16
16
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2
4
8
9
9
R-CH
R-CH
POWER AMP
IC101
5
12
3
9
11
7
16 AUX-IN
4 STBY
R-CH
22 MUTE
3
1
5
1
5
0
8
9
ACC
CHECK
Q902
AMP/ANT
BATT
REMOTE CONTROL
Q911,917
COM+8V REG
COM+8V
Q918,919,929,D923
F901
10A
U_COM+5 V REG
U_COM+5V
BATT
Q920,D930,D999
BUS INTERFACE
CNJ801
IC802
BUS
CONTROL IN
8
BUS ON OUT
1
8
DATA OUT
6
3
9
DATA IN
6
5
2
DATA IN/OUT
11
CLK IN
4
1
CLK OUT
4
7
12
BUS ON IN
BATT
13
RST OUT
RST OUT
2
10 BATT CHECK
BATT
BATT
3
D854
m
c o
.
2
8
9
9
PJ401
-3
L
BUS AUDIO IN
-4
R
-1
L
AUDIO OUT REAR
-2
R
CNP901
1
FL+
9
FL–
2
RL+
10
RL–
4
FR+
12
FR–
3
RR+
11
RR–
2
4
9
8
2
9
9
7 ACC
15 TEST
5 AMP REM
6
ANT REM
8
GND
19
17
18
16 +B (BATT)
• Signal path
:FM
:AM
:CD
• R-ch is omitted due to
same as L-ch.

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