Block Diagram And Schematic Diagram - Pioneer DEH-P840MP Service Manual

1
DEH-P840MP,P8400MP,P8450MP

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
A
TUNER AMP UNIT
CN402
1
ANT
2
B
PICKUP UNIT
(SERVICE)(P9MP3)
LASER
DIODE
HOLOGRAM
UNIT
FOCUS ACT.
TRACKING ACT.
MONITOR
DIODE
SPINDLE
MOTOR
C
LOAD/ CARRIAGE
MOTOR
D
18
1
2
FM/AM TUNER UNIT
FM/AM 1ST IF 10.7MHz
AMRF T51 Q51 CF51 CF52 CF53
AMANT
28
ATT
ANT1 ADJ
IC1
MIXER, IF AMP, DET.
FMANT
27
ATT
26 RFGND
FMRF
CF202
AM 2ND IF
RF ADJ
10.25MHz
450kHz
VDD
VCC
ANT2 ADJ
LOCH LOCL
23 25 7 17
VCC
VDD
D
CD CORE UNIT(S9MP3)
MSM51V4265EP-70TS
V3R3D
CN101
142
LD-
15 LD
Q101
MD 141
5
PD
RF-AMP,CD DECODER,
AC,BD
DIGITAL SERVO / DATA PROCESSOR
F,E
FO+ FOP
1
TO+
TOP
4
TD/FD SD/MD
LD+
14
12
FOP
13
TOP
CD
M DRIVER
16
SOP
15
SOM
18
LCOP
M
17
LCOM LOEJ
CONT
IC 301
BA5996FM
S901
HOME
12EJ DISC
SENSE 8EJ SENSE
CLAMP
SENSE
SENSE
1
4 IC 502 2
V2R5
BA25BC0WFP
+2.5V REGULATOR
1
IC 203 2
4
V3R3D
BA033SFP
+3.3V REGULATOR
2
3
MPXREF 41kHz
AMDET
IC 2 FM MPX
COMP
LDET
IC 3
X901
EEPROM
20 22 10 19 14 24 9 11 12 15 16 8 13 2 3 4 1
IC 202
DRAM
CN901
L-OUT
35
IC 201 LOUT
UPD63760GJ Q602
MUTE
Q603
MP3 DECODER,
38 39 42 43
WAIT,
RFOK
X201 X202
IC 702
XWINT,
TC74VHCT08AFT
XWAIT,
FOK
33
22 31
CDMUTE
LOEJ
P-BUS
9
29
CONT
IC 701
PE5269A
VD
CD CONTROLLER
VD
78
DSCSNS
80
WMA DECODER
HOME
28
IC 501
CD3VON
UPD61002GC
VDCONT 27
+3.3V REGULATOR
1 4,5
3VDD IC 703
S-818A33AUC-BGN
5VDD
VD
AUTOMATIC
M
E
FLAP MOTOR
SWITCH PCB
CLOSE
OPEN
EJECT
3
4
L ch
6
R ch
5
21
18
ASENB1
CN101
5
IP-BUS DRIVER
1
8
7
11
BUS-
BUS+
BUSL+
BUSL-
CN723
14 14 8
MIC231
BUZZER
SPECTRUM ANALYZER
IC 251
BA3834F
P-BUS
VD
2 20
Q752
3
19
Q751
BU
VDCONT
7
15
1 VDD
21
Q811
Q812
CN811
4 5
MOTOR1 3 6
6
IC 811
MOTOR2 14 BA6288FS 11
5
FCLSW1
4
FOPSW1
3
FEJSW1
2
1
4
Q101
BU
Q102
TX
5 1
IC 102
RX
6 2
HA12187FP
8
IPPW
TUN L
BUSL+
BUSL-
CD L
VR231
24
PEE
SYSTEM CONTR
IC 601(2/2)
PD5740A(E
PD5741A(U
BU
11
FLPPW
66
FLPOPN
65
FLPCLS
69
fclssw
68
fopnsw
67
flpejsw