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1
- FM/AM Tuner Unit
QQ
3 7 63 1515 0
A
AM ANT
FMRF
1
ATT
FM ANT
3
ATT
FMRF
B
ANT adj
No. Symbol
I/O Explain
C
1 AMANT
I
2 RFGND
TE
L 13942296513
3 FMANT
I
4 VCC
5 SL
O signal level
6 CE2
I
7 NC
8 CE1
I
9 CK
I
D
10 DI
I
11 LDET
O lock detector
12 OSCGND
13 ROM_VDD
14 DO
O data out
15 DGND
16 NC
17 VDD_3.3
18 RDS_CK
O RDS clock
19 RDS_DATA
O RDS data
20 RDS_LOCK
O RDS lock
E
21 RDS_HSLK
O RDS high speed
22 AUDIOGND
23 L ch
O L channel output
24 R ch
O R channel output
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F
64
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http://www.xiaoyu163.com
2
7 6
IC 3 EEPROM
5.0V
OSC
IC 1
3.3V
MIXER, IF AMP
RF adj
T51
2
12
15
22
16
4
AM antenna input
AM antenna input high impedance AMANT pin is connected with
an all antenna by way of 4.7 μH. (LAU type inductor) A series circuit
including an inductor and a resistor is connected with RF ground for
the countermeasure against the hum of power transmission line.
RF ground
Ground of antenna block
Input of FM antenna 75 Ω Surge absorber
FM antenna input
The power supply for analog block. D.C 8.4 V ± 0.3 V
power supply
Output of FM/AM signals level
chip enable-2
Chip enable for EEPROM "Low" active
non connection
Not used
chip enable-1
Chip enable for AF•RF "High" active
clock
Clock
data in
Data input
"Low" active
osc ground
Ground of oscillator block
power supply
Power supply for EEPROM pin 13 is connected with a power supply of
micro computer.
Data output
digital ground
Ground of digital block
non connection
Not used
power supply
The power supply for digital block. 3.3 V± 0.2 V
Output of RDS clock(2.5 V)
Output of RDS data(2.5 V)
Output unit "High" active(2.5 V) (RDS_LOCK turns over by the
external transistor. "Low" active)
Output unit "High" active(2.5 V)(RDS_HSLK turns over by the
lock
external transistor. "Low" active)
audio ground
Ground of audio block
FM stereo "L-ch" signal output or AM audio output
FM stereo "R-ch" signal output or AM audio output
x
ao
.
i
DEH-P5900MP/XU/EW5
2
http://www.xiaoyu163.com
3
13
5
10 9 8
11
14
18 19 20 21
IC 5
5V
3.3V
LPF
CF52
IC 4
3.3V
2.5V
2.5V
3.3V
17
Q Q
3
6 7
u163
y
3
4
2 9
9 4
8
IC 2
2.5V
DET, FM MPX,
RDS DECODER
1 3
1 5
0 5
8
2 9
(DSP-201M-S00B)
is necessary.
m
co
.
4
2 8
9 9
Rch
24
Lch
23
9 4
2 8
9 9
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