Block Diagram - Pioneer DEH-2350UB/XNES Service Manual

1

4. BLOCK DIAGRAM

4.1 BLOCK DIAGRAM
A
A
TUNER AMP UNIT
JA401
1
ANTENNA
2,3
B
JA961
2 KEYAD
WIRED 3 KEYD
REMOTE
1 GND
C
C
D
PICKUP UNIT
(P10.5)(SERVICE)
CN101
VCC 12 12
LD LD- GND
15 15
MD PD
MD
5 5
VREF REFO
8 8
HOLOGRAM
UNIT
FOM FOM
3 3
FOP
FOP
2 2
FOCUS ACT.
TOP 1 TOP
1
TRACKING ACT.
E
TOM
TOM
4 4
LD+ LD+
14 14
SOM
SPINDLE
M
SOP
MOTOR
LCOM
LOADING/CARRIAGE
M
LCOP
MOTOR
F
14
1
2
5
FMMIXIN1
57
DACOUTL
16
PINDIN
18
LNAIN
RF FRONT END IC
IC401
TDA7706
34
I2CSCL
33
I2CSDA
31
RSTN
FLASH ROM
IC671
PEA011A8
CD CORE UNIT(S11.1 STD-DOUT)
RF AMP, CD DECODER, MP3&WMA DECODER
DIGITAL SERVO/DATA • PROCESSOR
V+3A
VDD
CPU, USB HOST CONTROLLER
1
LD
Q101
2
PD
REFO
93
REFOUT
AC,BD,E,F
IC201
PE5756A
ACTUATOR/
MOTOR DRIVER
IC301
BA5839FP
TD,FD
SD,MD
12
VO1+
11
VO1-
14
VO2+
13
VO2-
15
VO3+
22 41
16
LDIN LOEJ
VO3-
21 40
CLCONT
CNT
17 9 39
VO4+ MUTE CONT
18
VO4-
38
DSCSNS
35
HOME
S903 S901
DSCSNS HOME
DEH-2350UB/XNES
2
3
112
TUNSCL
111
TUNSDA
107
TUNPCE1
DACSCK
DACDATA
DACBDATA
DACBSCK
AUDIO_XOUT
DACLRCK
DACCS
69
KEYAD
129
KEYD
RES
SYSTEM MICRO
COMPUTER
IC601
(1/2)
R5S7266ZD144FP
ILMPW
Q102
V+3A
VDD
54
PUEN
CN701
CN701
VDD
VDD
9
VDD 8
VD VD
VD 15
2
1 16
29 RESET RESET
RESET 8
9
CD DATA (CDSRQ,CDSTBY,SKIP,
SCL,SDA,DATA,BCLK,LRCK,WAIT)
3
4
DAC
IC231
PCM1753DBQ
91 1
BCK
88 2
DATA
87 13
MD
85 14
VOUTL
MC
84 16
SCK
89 3
LRCK
124 15
ML
RESET
IC651
38 1
S-80827CNMC-B8M
ILMPW
Q873
B.UP
Q872
132
REGULATOR IC
IC912
BA49182-V12
VDDCONT
6
SW5V SW5V
BSENS
9
SWVDD
SWVDD
SYSPW
5
SYS+B SYS+B
SW5VCNT
7
VDD3.3V VDD
8
+B
VDD12
VDD1.2V
+BUP
USB5V REGULATOR
IC501
B.UP
BD2226G
1
VIN
3
EN
5
USB5V VOUT 4
OC
VDD3.3V
MECHA VD
Q751
Q752
CD DATA (CDSRQ,CDSTBY,SKIP,
SCL,SDA,DATA,BCLK,LRCK,WAIT)
4
7
ILM+B
11 128
SWVDD
141
1
BSENS
2 7
SYSPW
3
4
B.UP
SYST
10
CO
R5S72
IC502
BD9008F
1
PVIN
5 19
8 EN/
SYNC
VIN
SYNC
2
SW
18
USBCTL
20
USBFLG
54
VBUS
67
VDSENS
B.UP
14
VDCONT
120
CDRST