Block Diagram -Tuner Section - Sony CDX-F5000C Service Manual

CDX-F5000C/F5005X
3-3. BLOCK DIAGRAM — TUNER SECTION —
TUNER UNIT
TU1
J1
L-CH 4
1 ANT
(ANTENNA)
R-CH 3
9
RDS
S-METER
6
TU-SDA 14
TU-SCL
13
QUALITY
5
E2P-SDA 17
E2P-SCL 16
MUTE-CONDITION 8
TU-MUTE 7
TU-VDD (TU5V) 11
VCC (8.3V) 10
BUS-LCH
5
CD-LCH
CDL 9
A
CD
CDR R-CH
(Page 19)
SECTION
TU-LCH
7
R-CH
SDA
31
SCL
30
29
F5000C
RDS DEMODULATOR
IC51
16 MPX 12
SDA
SYSTEM CONTROL
SCL 11
9 XTI
60 VOLATT
10 XTO
X51
15 82 DAVN
INTN
8.664MHz
1 7
TU 5V REG
3.3V
Q51,52
93 VSM
79 I2C_SIO
81 I2C_CKO
F5000C
NS MASK
SWITCH 92 QUALITY
Q22
66 NS-MASK
68 EEP_SIO
67 EEP_CKO
F5000C
28
TU_ATTIN
64 TU_ATT
+5V REG.
AUDIO 8.3V
Q1
SOUND CONTROL
ELECTRONIC VOLUME
IC401
OUT
-FL
EFFECT
23
OUT
-RL
TONE 22
EVR
I2C
17
CONT.
BUS
OUT-
SUB-L
MUTE
IC501 (2/3)
AMPSTB 70
BEEP 85
TELATT 23
ACCIN 21
22
TESTIN
LINE MUTE
ATT 24
CONTROL
BATT
Q478,479
DIAG 59
BU3.3V REG
B.UP+B
3.3V 31 31
IC681
BUS INTERFACE
IC580
OVER VOLTAGE
BATT 3 DETECT
BUIN 31 10 B/U-C
Q580
UNISI 5 8 DATA OUT
UNISO 4 9 DATA IN
DATA I/O 6
UNICKO 6 11 CLK IN
CLK 4
BUSON 36 12 BUSIN
BUS ON 1
SYSRST 37 13 RST
2
RST
20 20
R-CH
R-CH
POWER AMP
IC750 (1/2)
5
12
3
MUTE
Q441
9
11
7
MUTE
Q461
STB
22
R-CH
BEEP
16
MUTE
Q481
CONT.
SDA
2 I2C
6
VP2
SCL
BUS
4
VP1 20
TEL
ATT
Q651
ACC
CHECK
Q631
MULTIPLE VOLTAGE
REGULATOR
IC750 (2/2)
D759
AMP-REM 29
D760
ANT-REM 27
25 DIAG
B.UP+B
B.UP+B 37
34 PANEL+B
PANEL+B
MECH 6V 33 MECH 6V
31 SERVO 3.3V
SERVO 3.3V
AUDIO 8.3V 30 AUDIO 8.3V
35
VP
BATT
D581
CN580
BATT
BUS
8
CONTROL
4 3 IN
5 2
1 • Signal path
6
7
: FM
TH580
: AM (CDX-F5005X) or MW (CDX-F5000C)
BATT
: CD
• R-ch is omitted due to same as L-ch.
J330
L
-1
BUS AUDIO IN
R
-2
L
-3
AUDIO OUT REAR
R
-4
CN601
1
FL+
9 FL-
2 RL+
10 RL-
4 FR+
12
FR-
3
RR+
11
RR-
13 ATT
7 ACC
15
TEST
5 ANP-R
6 ANT-R
8 GND
19
17
F901
10A
18
16 +B (BATT)