Sony CDX-CA540X - Block Diagram -Tuner Section

1616
CDX-CA540X/CA590X
CNJ601
(ANTENNA)
2 16
1
FM_ANT L-CH
17
R-CH
CDL
24
DET_OUT
11
FM/AM_OSC
14
AM_VT
6
FM_VT
20
IF_COUNT
19
OSC-IN
21
12
9
S_METER
TU+8V
22
SD/ST_IND
FM_VCC
AM_VCC
AM_ANT
TUNER UNIT
TU601
7
14
13
27
26
25
10
11
6
8
21
SYSTEM CONTROL
IC801 (2/3)
PLL
IC601
ELECTRONIC VOLUME
IC401
OUTF1
20
19
18
OUTR1
OUTF2
R-CH
OUTR2
12
BEEP
ATT
55
4
PW ON
5
A_ATT
52
ACC IN
C1
B1
D1
D2
SDA
SCL
MUTE
VOL ATT
SCLO
SDAO
6
PLL_DI
11
PLL_CE
LCL
S_METER
FM POWER
CONTROL
Q605,606
SD_IND
REAR AUDIO OUT
CD
SECTION
A
CD
SECTION
B
LINE MUTE
CONTROL
Q401,402
LINE MUTE
Q102
LINE MUTE
Q101
R-CH
BATT
BATT
22
MUTE
4
STBY
16
AUX-IN
11
12
5
3
9
7
POWER AMP
IC101
1
9
2
10
CNP901
R-CH
PJ401
-1
-2
FL+
FL–
RL+
RL–
4
12
FR+
FR–
3
11
RR+
RR–
16
+B (BATT)
5
AMP REM
6
8
17
ANT REM
GND
R-CH
F901
10A
7
ACC
15
TEST
33
TEST
A REMO
13
•
25
FM/AM_VCC
26
28
BATT
19
18
L
R
• Signal path
:FM
:AM
:CD
• R-ch is omitted due to
same as L-ch.
AMP
REMOTE CONTROL
Q911,917
ANT
REMOTE CONTROL
Q903,916
COM+8V REG
Q918,919,929,D923
+5 V REG
Q920,D930,D999
BATT
BATT
BATT DET
D854
+5V
BATT
X EN
PLL DO
PLL CLK
D932
D931
TU+8V
TUNER ON
CONTROL
Q909,912
TUNER +8V
REG
Q913,D913
COM+8V
R-CH
8
FM_VCO
15
AM_VCO
16
FM_CP
18
VT
19
AM_CP
20
OSC
2
SEEK
XO
XI
10
IFC
13
MONO
11
24
1
CE
3
CK
5
D_IN
4
D_OUT
6
X601
10.25MHz
3
AM_DX/LCL
4
FM_DX/LCL
46
BU IN
18
BUSSI
19
BUSSO
49
AM POWER
CONTROL
Q603,604
23
FM ON
22
AM ON
53
BUSON
54
BS RST
20
BUS CLK
21
10
8
9
12
13
11
BUS CK GEN
BATT CHECK
DATA IN
DATA OUT
BUSON IN
RST OUT
CLK IN
1
6
4
BUSON OUT
DATA IN/OUT
CLK OUT
6
7
8
5
4
3
2
1
BUS ON SIRCS
RST
NC
DATA
CLK
RST OUT
BATT
2
3
ACC
CHECK
Q902
BU CHECK
Q904
D907
BUS INTERFACE
IC802
GND
+B
CNJ801
BUS
CONTROL IN
3-4. BLOCK DIAGRAM — TUNER SECTION —
(Page 15)
(Page 15)