Block Diagram And Schematic Diagram; Block Diagram - Pioneer DEH-P2550XM/ES Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A
A
TUNER AMP UNIT
FM/AM TUNER UNIT
ANTENNA
B CN401
AM ANT
1
1
2
FM ANT
3
C
PICKUP UNIT
(SERVICE)(P10)
LASER
D
DIODE
HOLOGRAM
UNIT
FOCUS ACT.
TRACKING ACT.
MONITOR
DIODE
SPINDLE
M
MOTOR
LOADING/ CARRIAGE
M
MOTOR
E
F
10
1
2
7 6
IC 3 EEPROM
5.0V
OSC
FMRF
ATT
ATT
FMRF
MIXER, IF AMP
RF adj
ANT adj
2 12 15 22
D
D
CD CORE UNIT(S10)
CN101
Q101
LD+
14
MD
5
AC, F, E, BD
FOP FOP
1
TOP TOP
4
FD, TD, SD, MD
12
FOP
13
TOP
ACT,MOTOR
DRIVER
HOME
16
SOP
15
SOM
17
LCOM
18 22
LCOP LOEJ
9
CONT
IC 301
BA5996FP
12EJ 8EJ DSCSNS
2
3
VDD
13 5 10 9 8 11 14
IC 5
5V 3.3V
LPF
IC 1
3.3V
T51
CF52
CF51
IC 4
3.3V 2.5V
2.5V
3.3V
16 4 17
TUN 3.3V
SYS 8.4V
CN701
LOUT
1 20
8 14
LD LOUT
2
23
PD
xtal
X201
24
SERVO
XTAL
CONTROL,
DSP,
LPF, DAC
12
XSI
IC 201 SO
16 6
UPD63712GC
42
LIMIT
LOEJ
5 17
CONT
7 15
DSCSNS
6 16
CLMP
11 11
VD
CLAMP
1
VD 20
2 21
3.3V REGULATOR
1
3
3R3V
IC 701
NJM2391DL1-33
DEH-P2550/XM/ES
3
4
18 19 20 21
Rch
IC 2
2.5V
Lch
DET, FM MPX
BUS+L
BUS-L
CN101
7
11
5
BUZZER
1
8
IP-BUS DRIVER
BUS-
TX 86
5 1
IC 101 TX
RX
6 2 85
HA12187FP
RX
BUS+
8
24
IPPW
IPPW
CN721
Q101
BU
SYSTEM CONTROLLER
71
ASENBO
IC 722
Q102
2 4 66
XSI
59
CDLOEJ
TC7SET08FU 61
CONT
79
DSCSNS
CLMP 63
XTALEN
80
VDSENS
64 95
VDSENS
Q752
BU
Q751
4
24
23
TUN L
3
BUS+L 5
BUS-L 6
4
CD L
EVST,EVCK,EVDT
100
PEE
37
mute
21
SYSPW
16
X1
X601
15
X2
IC 601(2/2)
Q601
PE5341C
83
AVREF
V
22
adpw
9
FLPILM
8
ejectin
BU
90 96 41 20
VDD
S
DETACH SENSE