Pioneer DEH-4280SD Service Manual page 41

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5
R551
NM
3.3V
1.2V
TP1
AVCC
AVREF
AVSS
VDSENS
USBUVSS
USBUVCC
USBAVSS
USBAVCC
USBAPVSS
USBAPVCC
REFRIN
USBDVss
USBDVcc
VBUS
DP
DM
USBDVSS
COM
USBDPVCC
ASEMD
USBX2
1
USBX1
144FPU
PVcc5
SYS_TXD
Vss8
SYS_RXD
Vcc4
MEDIAMUTE
BRST
Vss7
RTC_XOUT
RTC_XIN
PVcc4
Vss6
MD_BOOT1
MD_BOOT0
XOUT
XIN
MD_CLK1 48
PLLVss
R501
47k
TP2
WR_END
IC571
1
48
A16
A15
A16
2
47
A15
A14
/BYTE
3
46
A14
A13
Vss2
4
45
A13
A12
DQ15_A-1
5
4
5
44
A12
R575
A11
DQ7
220
6
3
6
43
A11
A10
DQ14
7
2
7
42
A10
A9
DQ6
1
8
8
41
A9
A8
DQ13
5
4
9
40
A20
R576
A19
DQ5
220
6
3
10
39
NC1
DQ12
7
2
11
38
WE0/DQML
/WE
DQ4
8
1
12
37
MEDRST2
/RESET
Vcc
13
36
NC2
DQ11
5
4
14
35
R577
NC3
DQ3
220
3
6
15
34
RY_/BY
DQ10
7
2
16
33
A19
A18
DQ2
8
1
17
32
A18
A17
DQ9
5
4
18
31
A8
R578
A7
DQ1
220
6
3
19
30
A7
A6
DQ8
7
2
20
29
A6
A5
DQ0
8
1
21
28
A5
A4
/OE
22
27
A4
A3
Vss1
23
26
A3
A2
/CE
24
25
A2
A1
A0
R574
CWW1967
4.7k
FLASH ROM
SPANSION 16Mbit
GND
5
L501
VTL1145-A
3.28V
3.3V
1.2V
GND
0.1u/10
88
C530
0.1u/10
C529
87
86
85
VDSENS
84
NM
R552
83
R553
NM
82
R554 47k
TP3
81
C528
80
0.1u/10
79
C527
78
0.1u/10
R515
77
NM
1608
C526
76
R514
NM
R519
75
0.1u/10
1608
R561 10k
74
5.6k
C545
C525
73
1u/6.3
VBUS2
R518 100
0.1u/10
72
71
70
69
C523
ASEMD
C522 0.1u/10
10p/50
68
67
NM
R558
66
R513
1k
65
C524
C521
10p/50
64
0.1u/10
SYSTX
63
62
SYSRX
61
C520
60
R559 NM
0.1u/10
59
NM
R512
BRST
58
R511
NM
57
C546
56
1000p/10
55
C519
54
53
0.1u/10
R510
47k
52
R509
47k
51
50
49
R505 47k
47
46
MD_CLK0
C516
45
PLLVcc
0.1u/10
R504
WR_SW
47k
L502
1.19V
1.2V
CTF1410-A
3.3V
USB
USBA A
GND
GND
GND
GND
R502 100
MEDRST2
C572
0.1u/10
A17
PD15
PD7
PD14
PD6
PD13
PD5
PD12
PD4
PD11
PD3
PD10
PD2
PD9
PD1
PD8
PD0
RD
FLCS
A1
R572
4.7k
6
A-b
2/2
A
2/2
DAC
DACMUTE
DEEMPH
FORMAT
DACCLK
CCG1192-A
DACLRCK
DACDATA
DACSCK
0.01u/16
CCG1192-A
DAC5V
USB5V
USB5V
DP
DM
SHtoSYS
SYStoSH
MEDMUTE
MEDSTBY
IC582
3.3V
NM
MED12
MED12
1.20V
1.2V
VOUT
VIN 3
4
GND 2
5 SEL
STBY 1
IC583
BH12PB3WHFV
GND
MEDRST
DEH-4250SD/XNES
6
7
TUNER AMP UNIT (MEDIA uCOM)
A:DEH-4250SD/XNES
B:DEH-4250SD/XNES1
C:DEH-4290SD/XNID
D:DEH-3200UB/XNUC
LPF
R185
C193
R191
NM
820
NM
C196
680p/50
C181
GND
GND
NM
C190
C182
1000p/10
10u/10
GND
GND
C194
R192
NM
820
C183
C184
10u/10
DAC5V
IC182
R181
5.01V
5
1
SYS8V
VOUT
VIN
2
0
GND
4
3
NB
CONT
NJM2872F05
GND
Q181
5.1V
NM
R183
NM
Q182
NM
GND
D581
R581
MED33
1SS352
NM
MED33
IC581
D582
1
6
3.30V
VOUT
VIN
2
5
CRG03
VSS1
VSS2
3
4
ON/OFF
NC
S-1172B33-E6
GND
REFERENCE AREA MAP
sheet1
IP-BUS
USB H.SW
DC-DC CONVERTOR
E.VOL
RCA
AMP
MUTE
TUNER
TUNER 3V REG
SYSTEM MICRO
ROM COLECTION
RESET
REFERENCE AREA MAP
sheet2
DAC & LPF
MEDIA uCOM
FLASH ROM
MED3.3V & MED1.2V
7
8
A
A
1/2
CDL
B
CDR
SYS8V
SYS8V
VDD5V
VDD5V
C
SYSPW
DD5V
DD5V
D
E
WIRED REMOTE
GRILL
ILM+B
OEL+B
SWVDD
VDD5 & VDD3.3
SYS+B
ASENS&BSENS
ISENS
B.REM
TEL IN
AUTO ANTENNA
SOURCE CONNECTOR
F
ipod CP
MECHA
MECHA VD
SD CONNECT
A
2/2
53
8

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