Pioneer AVIC-X3/XU/EW5 Service Manual page 39

5
FM/AM TUNER UNIT
(AVIC-X3/XU/EW5)
AM ANT
FMRF
1
ATT
K
FM ANT
3
ATT
FMRF
RF adj
ANT adj
FM/AM TUNER UNIT
(AVIC-N4/XU/UC)
AM ANT
FMRF
1 ATT
K
FM ANT
3
ATT
FMRF
RF adj
ANT adj
5
6
7 6 13 5 10 9 8
IC 5
IC 3 EEPROM
t
5V
5.0V
OSC LPF
IC 1
3.3V
MIXER, IF AMP
T51
CF52
3.3V
3.3V
2 12 15 22 16 4 17
K K
7 6 13 5 10 9 8
IC 5
IC 3 EEPROM
t
5V
5.0V
OSC LPF
IC 1
3.3V
MIXER, IF AMP
T51
CF52
3.3V
3.3V
2 12 15 22 16 4 17
K
AVIC-N4/XU/UC
6
7
K
11 14 18 19 20 21
3.3V
DET, FM MPX,
RDS DECODER
IC 4
t
2.5V
2.5V
K
11 14 18 19 20 21
3.3V
DET, FM MPX
IC 4
t
2.5V
2.5V
7
8
IC 2
2.5V
Lch
K
23
IC 2
2.5V
Lch
K
23
8
A
B
C
D
E
F
39