20
20
CDX-F5000C/F5005X
J1
(ANTENNA)
1 ANT
CDL
CDR
R-CH
3
R-CH
AUDIO 8.3V
TUNER UNIT
TU1
6
S-METER
14
TU-SDA
SYSTEM CONTROL
IC501 (2/3)
3
11
CN601
1
9
FL+
FL-
2
10
RL+
RL-
4
12
13
7
FR+
FR-
15
RR+
RR-
TEST
ACC
ATT
16 +B (BATT)
8 GND
R-CH
F901
10A
D581
TH580
B.UP+B
BATT
17
19
18
BATT
BATT
3.3V
13
TU-SCL
BATT
3.3V
5
QUALITY
SOUND CONTROL
ELECTRONIC VOLUME
IC401
17
E2P-SDA
16
E2P-SCL
8
MUTE-CONDITION
7
TU-MUTE
11
TU-VDD (TU5V)
10
VCC (8.3V)
R-CH
9
RDS
AUDIO OUT REAR
-3
L
R
-4
R-CH
BUS
CONTROL
IN
CN580
5 ANP-R
6 ANT-R
POWER AMP
IC750 (1/2)
MULTIPLE VOLTAGE
REGULATOR
IC750 (2/2)
• Signal path
: FM
: AM (CDX-F5005X) or MW (CDX-F5000C)
: CD
• R-ch is omitted due to same as L-ch.
BUS AUDIO IN
-1
L
R
-2
R-CH
J330
4
L-CH
+5V REG.
Q1
OVER VOLTAGE
DETECT
Q580
BUS INTERFACE
IC580
LINE MUTE
CONTROL
Q478,479
TEL
ATT
Q651
ACC
CHECK
Q631
MUTE
Q441
NS MASK
SWITCH
Q22
MUTE
Q461
MUTE
Q481
B.UP+B
PANEL+B
MECH 6V
SERVO 3.3V
AUDIO 8.3V
D759
D760
TU 5V REG
Q51,52
F5000C
RDS DEMODULATOR
IC51
F5000C
X51
8.664MHz
F5000C
3
2
1
4
8
7
5
6
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 19)