Block Diagram - Pioneer DEH-4000UB/XS/EW5 Service Manual

1

4. BLOCK DIAGRAM

4.1 BLOCK DIAGRAM
A
A
TUNER AMP UNIT
B
ANTENNA
CN401
1
2,3
C
A :
DEH-4000UB/XS/EW5
B : DEH-3050UB/XS/ES
C :
DEH-3050UB/XU/CN5
D
C
PICKUP UNIT
(P10.5)(SERVICE)
CN101
LASER
DIODE
LD-
15 15
MD
5 5
VREF
8 8
HOLOGRAM
UNIT
FOM
FOM
3 3
FOP FOP
E
2 2
FOCUS ACT.
MONITOR
TOP
1 TOP
TRACKING ACT. 1
DIODE
TOM TOM
4 4
LD+
14 14
SPINDLE
M
MOTOR
CARRIAGE
LOAD/
M
MOTOR
F
18
1
2
FM/AM TUNER UNIT
AM ANT
FMRF
1 ATT
FM ANT
3
ATT
FMRF
RF adj
ANT adj
2 12
CD CORE UNIT(S10.5COMP2-USB)
RF-AMP, CD DECODER,
MP3/WMA DECODER,
DIGITAL SERVO / DATA PROCESSOR CPU,
USB HOST CONTROLLER
VDD2
141
LD
Q101
142
PD
REFO
133
REFOUT
AC,BD,E,F
CD
DRIVER
IC301
IC201
BA5839FP
TD,FD
PE5611B
12
FOM
11
SD,MD
FOP
14
TOP
13
TOM
16
22 28
SOP
LOEJ
LOEJ
15
SOM
21 20
18
CLCONT CLCONT
LCOP
17 9 41
LCOM CONT
CONT
8
12EJ
7
8EJ
10
DSCSNS
9
HOME
S904 S905 S901
12EJ 8EJ HOME
S903
DSCSNS
DEH-4000UB/XS/EW5
2
3
VDD
7 6 13 5 10 9 8 11
IC5
IC3 EEPROM
→
5V 3.3V
5.0V
OSC
LPF
IC1
3.3V
MIXER, IF AMP
T51
CF52
IC4
→
3.3V 2.5V
2.5V
3.3V
15 22 16 4 17
VDD3.3V
VCC
CN621
6
REAR 5 AUXL
AUXGND
AUX 4
3 KEY1
WIRED 2
KEY2
REMOTE
1
A
1
USBXTAL
X205
48MHz
2
/USBXTAL
Q102
VCC
VDD2
39
/PUEN
CN701 CN701
5 DP DP
16 4
DP
DM
4 DM
3
DM 17
LOUT CDL
55
LOUT 13 7
VDD2
CDVDD
VDD
VDD
9 11
CDRST
16 /RESET
/RESET 8 12
BRST,BRXEN,BSRQ
BDATA,BSCK
VD
VD
VD
2 18
50
XTAL 1 19
X201
16.93MHz
52
/XTAL
VD
11
VDSENS
3
4
14 18 19 20 21
IC2
2.5V
DET, FM MPX,
RDS DECODER
SYSTEM
CONTROLLER
IC 601(2/2)
PEG475A:
PEG409A:
34
KEYD
94
KEYAD
E
D
CD 3.3V REGULATOR
3 IC702
1
VDD
NJM2885DL1-33
23
CDRST
BRST,BRXEN,BSRQ,BDATA,BSCK
VD 7.5V REGULATOR
Q702
B.UP
Q701
22
VDCONT
4
Lch
23
A
VD
TUNL
CDL
AUXL
AUXGND
VST,VCK
A
B , C
40
MUTE
48
SYSPW
USB5V REGUL
IC501
BD9781HF
1
B.UP VIN
SW
7
28
F
SYNC EN
INV
24
USBCTL
25
FLG
ILM
Q841
B. UP
51
ILMPW
Q842
4
ROT0
3
ROT1
82
JOYST
VDD
49
SWVDD
35
DPDT
36
KYDT
19
DSENS