Block Diagram And Schematic Diagram; Block Diagram - Pioneer DEH-P8MP Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A
A
TUNER AMP UNIT
FM/AM TUNER UNIT
ANTENNA
CN401
AM ANT
1
1 ATT
B
2
FM ANT
3
ATT
ANT adj
C
PICKUP UNIT
(P9.9MP3)(SERVICE)
LASER
DIODE
LD-
15
MD
5
D
HOLOGRAM
UNIT
FO+
1
FOCUS ACT.
TO+
TRACKING ACT. 4
MONITOR
DIODE
LD+
14
M1
M
SPINDLE
MOTOR
M2
M
LOADING/CARRIAGE
MOTOR
E
F
18
1
WWW.PCBOOK.IR
2
7 6
IC 3 EEPROM
5.0V
FMRF OSC
IC 1
3.3V
MIXER, IF AMP
FMRF
T51
RF adj
2 12 15 22 16 4
D
CD CORE UNIT(S10WMACODE2)
V3R3D
CN101
142
IC 201
15 LD
Q101
UPD63761GJ
143
5 PD
RF AMP, CD DECODER,
AC,BD MP3 AND WMA DECODER
DIGITAL SERVO/DATA PROCESSOR
F,E
FOP
1
TOP
4
TD/FD 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
PE5423A
BA5835FM
4
CLAMP
32
12EJ
31
8EJ
30
DSCSNS
97
HOME
S902 S904 S905 S903 S901
CLAMP 12EJ 8EJ DSCSNS HOME
3VDD
IC 203
3 1 VD2
V3R3D
NJM2391DL1-33
3.3V REGULATOR
IC 501 1,3
5
V1R5 V3R3D
S-L2980A15MC-C6A
1.5V REGULATOR
DEH-P8MP/XN/UC
2
3
VDD
13 5 10 9 8 11 14 18 19 20 21
IC 5
5V 3.3V
LPF
CF52
CF51
IC 4
2.5V
3.3V
3.3V 2.5V
17
TUNER 3.3V REGULATOR
IC 451
TUN 3.3V 3 1
SYS+B
BA033FP
CN871
M871
OUT1
5
FLAP
M
MOTOR OUT2
4
B
SWITCH UNIT
CLOSE
S1
FCLSSW
3
S2 OPEN
FOPNSW
2
1
CN902 CN704
TX
CDTX
4 3
RX CDRX
3 2
CN901
CN701
31
10 14
LOUT
X702
13
X2
25
FTxD
26
FRxD
IC 701
BRST,BRXEN,BSRQ
BDATA,BSCK
VD
VD
3 21
VD
4 20
49
VDCONT
46
CD3VON
VDCONT
19 5
VDCONT
CD3VON
CD3VON
23
1
3.3V REGULATOR
3 2 VDD
IC 703
5 19 VDD
S-812C33AUA-C2N
VDD
VD2
VD2
2 22
3
4
Rch
24
IC 2
2.5V
Lch
23
DET,
FM MPX
Q871
B.UP
Q872
SYS+B
4 5
3 11
IC 871
14 6
BA6288FS
SP 601
BUZZER
22
PEE
51
fclssw
A 50
fopnsw
B
Q651
SYSTEM CONTROLLER
RST1
RESET
2 1 10
reset
VDD IC 652
IC 601(2/2)
BD4835G
PD5925A
BRST,BRXEN,BSRQ
BDATA,BSCK
Q742
B.UP
Q741
43 34 33 38
47
Q743
Q744
A
B
GDTC1
GDTC2
CDTX
GDTC1
11
CDRX
8
GDTC2
TC74VHCT125AFT
4
CN101
Q101
8
BUS+L
7
5
BUS-L 11
1
IP-B
BUS-
5
IC 10
6
HA122
BUS+
8
I
ASLIN
ELEC
SO
15
NOIS
TUN L
42
IN3-L
44
BUSL-
IN4-L
43
BUSL+
IN4+L
CD L 41
IN2-L
9
8
EVST,EVCK,EVDT
LEVEL INDICATO
7
92
LVLINL
85
MUTE
84
SYSPW2 SYSPW2
89
KEYAD
KEYAD DEH-P8M
DEH-P80M
34
KYDT KYDT
1
SYSPW
13
XIN
B
X601
11
XOUT
20
OELPW
Q822
B.UP
Q821
41
ILMPW
42
ejtin
91
DSENS
R
87 35 36
C
Q831
VDD
GDTC1
1
IC 801(1/2)
2 3
TC74VHCT125AFT
5 6
13
4
GDTC2
12
9
OEL
10
IC 801(2/2)