Mother Pcb (Power Supply Block) - Pioneer AVH-X1500DVD/XNUC Service Manual

1

10.4 MOTHER PCB (POWER SUPPLY BLOCK)

A
12.3V
EV12
EV12
R1856
0
12.3V
GNDA
Q1856
RN1907
DD5
1
GNDA
R1868
2
10k
3
B
1.2V
TUN12
TUN12
IC1921
TU11
1
VOUT VIN
2
VSS1 VSS2
3
ON/OFF NC
NM
GNDD
DAB33
3.3V
C
IC2061
NM
1.8V
BT18
BT18
BT18
GNDD
D
5.2V
PWRVI
PWRVI
PVI
5.0V
USB5
E
GNDD
GNDD
F
GNDD
A
4/6
126
1
2
Q1853
R1853
270k
3
Q1852
2
3 4
2 1
RN4982
5
6
1
HN1B04FU(YGR)
GNDA
GNDA
6
5
4
GNDA
3.3V
IC1922
NM
TUN33
TUN33
TUPW
D1921
6
5
CRG03
4
R1903
0
RFVCC33
IC1931
RFVCC33
1 6
VOUT VIN
2 5
VSS1 VSS2
3 4
ON/OFF NC
NM
GNDRF
IC2051 R2052
3.3V NM
0
BT33
BT33
BT33
D2051
NM
D2052
GNDD
NM
5.18V
For LS2 Mecha
VD5
> VD5
VD5
P2081 L2071
1 2 1
NM
CEK1380-A CEK1382-A
(0.75A) Fast acting
Fuse
(1.25A)
GNDD
GNDD
D2162
RSX201L-30
R2179
USB5
USB5
L2161
NM
CTH1524-A
R2171
10u
ACN7160-A
0.056 ohm
IC2161
1 24
NC1
LX
2 23
RSO
PGND
C2161
3 22
NC2
BT
GNDD
0.1u/16
4 21
PVCC1
BTVCC
C2167
5 PVCC2 20
TL
R2172
0.1u/16
6 VCC 19
FLAG
0 R2176 R2165
7 NC3 18
RADJ
8 RSIN 17 47k
NM
SYNC
C2170
9 VREG 16
27p/50 EN
C2165
10 SGND 15
CT
R2169
C2169 1000p/50
11 COMP 14
RT
220k
GNDD R2164
2200p/50
7.5k 12 FB 13
SS
C2166
4700p/25
R2174 R2173
AN33014UA
200k 390k
GNDD
AVH-X1500DVD/XNUC
2
3
18.0V
V18HI
V18
4
D1852
L1851
NM
14.1V
5 NM
47u
6
Q1854
NM
D
G
S
NM
IC1911
NM
TU33
D1911
NM
GNDD
L1902
D1904
NM
CRG03
1.25V
SOC12
IC2011
SOC12
BD00IA5WEFJ
SC12
1
VO
FIN
2
9
FB
3
GND
4
NC
R2013
47k
GNDD
P2051
1 2
NM
(0.5A)
1.5V
VDEC15
P2052
1 2
NM
VDEC15
IC2031
5
VIN CONT
VDC15
GND
4
VOUT
>
NJM2878F3-15
P2071
2
VD8
For LS2 Mecha
>
8.1V
VD8
M8V
P2151
1
CEK1385-A
(2.5A)
Fast acting fuse
ILMB
ILMB
8.1V
ILL8
(D) 365.8/413.9kHz
GNDD
GNDD
only A, E
C2152
1000p/50
3
R1864
NM
IC1851
C1858
8 1
FB EaIn
NM 7 2
OSC SCP
6 3
GND Vcc
5 4
Out BR/CTL
NM
GNDHI
IC1901
NJM2886DL3-05 TUN5
5.0V
TUN5
TU5
D1901 D1902
NM CRG03
R1902
0
GNDRF
R1901
NM
P1911
1 2
NM
(2.5A)
3.3V
SOC33
R2003
SOC33
IC2001
8 1
VCC
VOUT
7 2
NC
VSS1
6 3
NC
ON/OFF
5
EN
NM
TPN33
3.3V
TPN33
NM
VOUT
VDEC33
4
VDC33
R2031
1
VIN
1k
5
2
3 IC2021
NC
GNDD
GNDD
6.4V
MOTV
MOTV
MTV
2
>
P2152
1 2
CEK1383-A
(1.5A)
Fast acting fuse
NM
4
CN1831
NM
FAN
GNDFAN
L1901
NM
>
0
6
VIN
5
VSS2
4
NC
GNDD
8.1V
DD8
NC
3
GND
2
CONT
1
D2132
NM
R2132
120
R2133
22
Q2132
LTC014EEB
GNDD
4