Block Diagram And Schematic Diagram; Block Diagram - Pioneer DEH-3730MP Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A
A
TUNER AMP UNIT
FM/AM TUNER UNIT
CN401
ANTENNA
B
AM ANT
1
1 ATT
2
FM ANT
3
ATT
ANT adj
C
PICKUP UNIT
(P10)(SERVICE)
LASER
DIODE
LD-
15
MD
5
D
HOLOGRAM
UNIT
FOP
1
FOCUS ACT.
TOP
4
TRACKING ACT.
MONITOR
DIODE
LD+
14
M1
M
SPINDLE
MOTOR
M2
M
LOADING/CARRIAGE
MOTOR
E
F
12
1
2
7 6
IC 3 EEPROM
5.0V
OSC
FMRF
IC 1
3.3V
FMRF
MIXER, IF AMP
RF adj
2 12 15 22 16
C
CD CORE UNIT(S10.1)
V3R3D
CN101
142
IC 201
15 LD
Q101
UPD63763GJ
143
5 PD
RF AMP, CD DECODER,
AC,BD
MP3 AND WMA DECODER,
DIGITAL SERVO/DATA PROCESSOR
E,F
FOP
1
TOP
4
FD,TD SD,MD
14
12
FOP
13
12
TOP
X1
CD
MICRO
DRIVER
COMPUTER
16
SOP 22 53
LOEJ LOEJ
15
SOM
18
9
LCOP 47
CONT
CONT
17
LCOM
IC 301
BA5835FP
32
12EJ
31
8EJ
30
DSCSNS
97
HOME
S904 S905 S903 S901
12EJ 8EJ DSCSNS HOME
IC 203 1
3 VD2
V3R3D
NJM2885DL1-33
3.3V REGULATOR
DEH-3730MP/XN/EW
2
3
VDD
13 5 10 9 8 11 14 18 19 20 21
IC 5
5V 3.3V
LPF
T51
CF52
IC 4
3.3V 2.5V
3.3V 2.5V
4 17
TUN 3.3V
VCC
CN651
CN901
LOUT
31 CD L
14
LOUT 10
X701
13
X2
14 RESET
RESET
reset 15
9
IC 701 BRST,BRXEN,BSRQ
PE5454A
BDATA,BSCK
VD
VD
3 21
VD
4 20
49
VDCONT
VDCONT
19 5
3V REGULATOR
2 VDD
3
3VDD IC 703 5 19
S-812C33AUA-C2N
VDD
VD2
2 22
3
Rch
IC 2
2.5V
Lch
DET, FM MPX,
RDS DECODER
A
BRST,BRXEN,BSRQ,BDATA,BSCK
Q991
Q992
3 4
5
2
VDSENS
VDCONT
VDD
4
24
RDS_LOCK
23
RDS_HSLK
RDS_CK
RDS_DATA
EL
S
TUN L 2
IN
CDL 3
IN
SYSTEM CO
IC 60
PE5
B.UP
78
VDSENS
4