Pioneer DEH-P740MP Service Manual page 18

1
DEH-P740MP,P7400MP,P7450MP
3.2 BLOCK DIAGRAM(DEH-P7400MP/XN/UC, DEH-P7450MP/XN/ES)
A
A
CN401
1
ANT
2
B
PICKUP UNIT
(SERVICE)(P9MP3)
LASER
DIODE
TRACKING ACT.
MONITOR
DIODE
SPINDLE
MOTOR
C
LOAD/ CARRIAGE
MOTOR
D
18
1
2
TUNER AMP UNIT
FM/AM TUNER UNIT
FM/AM 1ST IF 10.7MHz
AMRF T51 Q51 CF51 CF52 CF53
AMANT
28 ATT
ANT1 ADJ
MIXER, IF AMP, DET.
FMANT
27 ATT
RFGND
26
FMRF
AM 2ND IF
RF ADJ
ANT2 ADJ
LOCH LOCL
23 25
VCC
VDD
D
CD CORE UNIT(S9MP3)
V3R3D
CN101
142
LD-
15 LD
Q101
MD 141
5 PD
AC,BD
HOLOGRAM
DIGITAL SERVO / DATA PROCESSOR
UNIT
F,E
FO+ FOP
1
FOCUS ACT.
TO+
TOP
4
TD/FD
LD+
14
12
FOP
13
TOP
M
DRIVER
16
SOP
15
SOM
18
LCOP
M
17
LCOM
IC 301
BA5996FM
12EJ DISC
SENSE 8EJ SENSE
CLAMP
SENSE
SENSE
1
IC 203
4
V3R3D
BA033SFP
+3.3V REGULATOR
2
3
MPXREF 41kHz
AMDET
IC 2 FM MPX
IC1
CF202
IC 3
X901
EEPROM
10.25MHz
450kHz
VDD
VCC
7 17 20 22 10 19 14 24 9 11 12 15 16 8 13 2
IC 202
MSM51V4265EP-70TS
DRAM
CN901
35
IC 201
LOUT
UPD63760GJ
MUTE
RF-AMP,CD DECODER,
Q603
MP3 DECODER,
38 39 42 43
WAIT,
SD/MD
RFOK
X201 X202
IC 702
CD
XWINT,
TC74VHCT08AFT
XWAIT,
FOK
33
22 31
CDMUTE
LOEJ
LOEJ
P-BUS
9
29
CONT
CONT
IC 701
PE5268A
CD CONTROLLER
VD
78
DSCSNS
ROM
80
HOME
IC 704
28
S901
CD3VON
PDH043A
HOME
27
VDCONT
+3.3V REGULATOR
1 4,5
2 IC 703
3VDD
VD
S-818A33AUC-BGN
5VDD
3
4
L ch
6
R ch
5
COMP
21
LDET
18
3 4 1
SWDACC
CN101
5
1
8
7
11
BUS-
BUS+
BUS+L
BUS-L
CN653
L-OUT
12 14 12
Q602
P-BUS
BU
Q999
VD
2 2
22
3
3
Q991
13 13
1 VDD
1
BU
4
Q101
BU
Q102
IP-BUS DRIVER
TX
5 1
IC 101
RX
6 2
HA12187FP
8
IPPW
T
BUS+L
BUS-L
CD L
BUZZER
MIC75
L
24
PEE
94
LVLINL
87
MUTE
23
SYSPW
13
XOUT
X
15
XIN
SYSTEM CONTROLLER
IC 601(2/2)
44
PD5701A
EJTIN
OELPW
36 41 35 40 43
IC 80
4
Q851
TC7SET
6
IC 851
NJM2360
Q852