Block Diagram -Tuner Section - Sony CDX-CA400 Product Guide Service Manual

CDX-CA400/CA530X/CA580X
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
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
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
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
PW ON 55
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
16 16
R-CH
R-CH
POWER AMP
IC101
5
12
3
9
11
7
16 AUX-IN
4 STBY
R-CH
22 MUTE
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
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–
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.