Power Supply Block; Loab Assy; Irky Assy - Pioneer DV-454-K Service Manual

1

3.1.2 POWER SUPPLY BLOCK

A
LIVE
AC IN
VWR1351: CN101
NEUTRAL
VWR1353: CN2
E
POWER SUPPLY
B
ASSY
C
A

LOAB ASSY

V+3D
D
C

IRKY ASSY

V+3E
E
F
18
1
2
F1
V+6B
CN401
(13P) (13P)
EV+6V (B)
1 1
EV+6V (A)
2 2
-28V
3 3
FLDC+
4 4
FLDC-
5 5
-28V
GND
6 6
P-CONT
V+12D
7 7
GND
8 8
SW+12V
9 9
GND
10 10
EV+4V
11 11
GND
12 12
SW+3.3V
13 13
CN601 CN52
(5P) (5P)
4 4
V+3R5D
CN301 CN11
(5P) (5P)
3 3
V+3E
2
3
IC421
MM1565AF
V+6A V+5S V+5V
+5V Reg.
IC901
NJM78L05A
V+12M V+5A
+5V Reg.
3 1
2
IC431
PQ025EZ01ZP
V+3D V+2R5
+2.5V Reg.
IN OUT
IC451
MM1385EN
V+4E V+3E
+3V Reg.
IN OUT
IC441
PQ070XZ02ZP
V+3R5D V+3R5A
+3.5V Reg.
VIN VOUT
V+12M V+5V
CN901
(20P)
1 3
1 3
CN101
(20P)
V+12M
V+5V
G
SCRB ASSY
DV-454-K
3
4
B
FJMB ASSY
IC303
BA18BC0FP
V+1RBD V+1RBA1 V+1RBA2
+1.8V Reg.
1 3
2
4