DEH-4090MP/XN/ID
16
1
2
3
4
1
2
3
4
C
D
F
A
B
E
4. BLOCK DIAGRAM
VDD
39
MUTE
I
47
I
7
SYSTEM
CONTROLLER
IC 601(2/2)
PEG404A
ANT401
1
2,3
E
SWVDD
Q892
TUNER AMP UNIT
2
VST,VCK,VDT
TUNL
CDL
33
DPDT
34
KYDT
68
AMPPW
EJTIN
8
49
ILMPW
DSENS
S801
9
A
VDD
ANTENNA
48
OELPW
VDD
Q801
FLPILM
50
CN701
VDD
3.3V
91
CSENS
BUP
CDL
VD 7.5V REGULATOR
VD
VDCONT
BUP
Q751
Q752
BRST,BRXEN,BSRQ,BDATA,BSCK
7
3
14
8
TUNPDI
TUNPCK
TUNPDO
CDRST
15
2
I
6
AUXL
IC780
NJM2885DL1-33
ILM CONTRO
VDD 3.3V REGULATOR
3
1
CDRST
21
20
SWVDD
AUX
AUXL
AUXG
5
4
6
CN151
CDVDD
I
1
SYSPW
46
AUXG
DSENS
BUP
Q823
Q8
36
DIM
FM/AM TUNER UNIT
CD CORE UNIT(S10.5COMP2)
D
BRST,BRXEN,BSRQ
CN701
S903
DSCSNS
MOTOR
M
CARRIAGE
MOTOR
LOAD/
IC201
PE5547A
RF-AMP, CD DECODER,
MP3/WMA DECODER,
DIGITAL SERVO /
DATA PROCESSOR
2
VD
VD
13
LOUT
9
16
SOP
15
SOM
18
LCOP
17
LCOM
21
CLCONT
55
LOUT
9
CONT
TD,FD
SD,MD
S901
HOME
S904
12EJ
S905
8EJ
141
LD
142
PD
12EJ
CONT
CLCONT
HOME
8
9
43
41
VDD
1
BDATA,BSCK
Q102
39
/PUEN
VDD
8EJ
7
DSCSNS
6
VCC
16
/RESET
8
/RESET
133
REFOUT
22
LOEJ
LOEJ
5
52
50
X201
XTAL
/XTAL
16.93MHz
VDSENS
11
VD
FMRF
ANT adj
RF adj
FM ANT
T51
CF52
RFGND
OSCGND
DGND
AUDIOGND
NC
VCC
VDD_3.3
3.3V
2.5V
IC 4
3.3V
t
2.5V
IC 2
2.5V
NC
CE2
ROM_VDD
SL
DI
CK
CE1
NC
DO
NC
NC
NC
NC
7 6
13
5
10 9 8
11
14
18 19 20 21
1
3
2
12
15
22
16
4
17
IC 1
3.3V
AM ANT
FMRF
ATT
LPF
OSC
IC 3 EEPROM
5.0V
IC 5
5V
t
3.3V
ATT
MIXER, IF AMP
DET, FM MPX
24
23
Rch
Lch
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