Pioneer DV-353-K Service Manual - Page 18
Power Supply Block
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1 2 3 3.1.2 POWER SUPPLY BLOCK A LIVE AC IN F1 NEUTRAL VWR1351: CN101 VWR1353: CN2 (13P) 1 EV+6V (B) CN401 (13P) 1 V+6B V+6A IC421 MM1565AF +5V Reg. V+5S V+5V 2 EV+6V (A) 2 3 -28V 3 4 FLDC+ 4 B E POWER SUPPLY ASSY 5 FLDC- 5 6 GND 6 7 P-CONT 7 8 GND 8 9 SW+12V 9 10 GND 10 -28V V+12D V+12M IC901 NJM78L05A +5V Reg. 3 1 V+5A 11 EV+4V 11 2 12 GND 12 13 SW+3.3V 13 IC431 V+3D PQ025EZ01ZP +2.5V Reg. V+2R5 IN OUT IC451 V+4E MM1385EN +3V Reg. V+3E C IN OUT 4 B FJMB ASSY A LOAB ASSY V+3D CN601 (5P) 4 D C IRKY ASSY V+3E CN301 (5P) 3 CN52 (5P) 4 V+3R5D IC441 IC303 PQ070XZ02ZP +3.5V Reg. V+3R5D V+3R5A BA18BC0FP +1.8V Reg. V+1RBD V+1RBA1 V+1RBA2 VIN VOUT 1 3 2 CN11 (5P) 3 V+3E E F 18 DV-353-K 1 2 3 4
18
1
2
3
4
1
2
3
4
C
D
F
A
B
E
DV-353-K
F1
AC IN
(13P)
VWR1351: CN101
VWR1353: CN2
CN401
(13P)
E
POWER SUPPLY
ASSY
B
FJMB ASSY
A
LOAB ASSY
IC421
MM1565AF
+5V Reg.
EV+6V (B)
V+6B
-28V
V+6A
LIVE
NEUTRAL
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
CN601
(5P)
CN52
(5P)
4
4
EV+6V (A)
-28V
FLDC+
FLDC-
GND
P-CONT
GND
SW+12V
GND
EV+4V
GND
SW+3.3V
V+5S
V+5V
V+3R5D
V+3R5A
V+1RBD
V+1RBA1
V+1RBA2
IC901
NJM78L05A
+5V Reg.
V+12M
V+5A
V+12D
3
1
2
IC303
BA18BC0FP
+1.8V Reg.
1
3
2
IC431
PQ025EZ01ZP
+2.5V Reg.
V+3D
V+2R5
IN
OUT
IN
OUT
IC451
MM1385EN
+3V Reg.
V+4E
V+3D
V+3E
IC441
PQ070XZ02ZP
+3.5V Reg.
V+3R5D
VIN
VOUT
C
IRKY ASSY
CN301
(5P)
CN11
(5P)
3
3
V+3E
V+3E
3.1.2 POWER SUPPLY BLOCK