Block Diagram And Schematic Diagram; Block Diagram - Pioneer DEH-P4950MP/XU/CN5 Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A
A
TUNER AMP UNIT
FM/AM TUNER UNIT
ANTENNA
CN401
B
AM ANT
1
1
ATT
2
FM ANT
3
ATT
ANT adj
C
D
PICKUP UNIT
(P10.5)(SERVICE)
LASER
DIODE
LD-
15
MD
5
VREF
8
HOLOGRAM
UNIT
FOM
3
FOP
2
FOCUS ACT.
E
MONITOR
TOP
TRACKING ACT. 1
DIODE
TOM
4
LD+
14
SPINDLE
M
MOTOR
LOAD/ CARRIAGE
M
MOTOR
F
12
1
2
7 6
IC 3 EEPROM
5.0V
OSC
FMRF
IC 1
3.3V
FMRF
MIXER, IF AMP
RF adj
T51
2 12 15 22 16
C
CD CORE UNIT(S10.5COMP2)
RF-AMP, CD DECODER,
D
MP3/WMA DECODER,
DIGITAL SERVO /
DATA PROCESSOR
VDD
CN101
141
15
LD
Q101
142
5 PD
REFO
133
8 REFOUT
AC,BD,F,E
FOM
3
CD
FOP
DRIVER
2
1 TOP
IC301
TOM
4
BA5839FP
14 TD,FD
12
FOM
11
FOP SD,MD
14
TOP
13
TOM
16
22
5
SOP
LOEJ
LOEJ
15
SOM
21
43
18
CLCONT
CLCONT
LCOP
17 9
41
LCOM CONT
CONT
8
12EJ
7
8EJ
6
DSCSNS
9
HOME
S904 S905
S901
12EJ 8EJ HOME
S903
DSCSNS
EEPROM
CS,SK
IC202
DI,DO
S-93C56BD0I-J8
DEH-P4950MP/XU/CN5
2
3
VDD5
13 5 10 9 8 11 14 18 19 20 21
IC 5
5V 3.3V
LPF
CF52
IC 4
3.3V 2.5V
2.5V
3.3V
4 17
VDD_3.3V
VCC8
CN101
IN1−
11
IN1+
7
B14
8
B−
5
B+
1
CN621
AUX-GND
4
AUX-L
5
CN701
CN701
LOUT LOUT
13 13
55
LOUT
50
XTAL
X201
16.93MHz
52
/XTAL
VDD
IC201
Q102
PE5547A
VDD
9 9
VCC
39
/PUEN
RESET
16 /RESET
8
/RESET 8
BRST,BRXEN,BSRQ,BDATA,BSCK
BRST,BRXEN,BSRQ
BDATA,BSCK
VD
VD
1
VD 1
2 2
VD
11
VDSENS
3
4
Rch
24
IC 2
2.5V
Lch
23
DET, FM MPX
Q101
B.UP
Q102
1
5 2
IC 101
6 HA12241FP
8
10,12
IC 751 1
14
NJM2794V
AUXL
A
AUXGND
CD 3V REGULATOR
IC 702
3
1
VDD5
NJM2885DL1-33
Q702
Q701
5
4
T
T
T
C
C
S
ELEC
SOU
TUNL
2
IN2−_
BUSL-
5
IN4−_
BUSL+ 4
IN4+_
AUX-L 3
IN3_L
1
CDL
IN1_L
40
ASENBO
30
TX
29
RX
27
RX2
52
IPPW
SYSTEM CON
IC 601(2
PEG28
21
CDRST
B.UP
22
NC