Power Block Diagram - Pioneer DVR-520H-S Service Manual

1

3.1.4 POWER BLOCK DIAGRAM

A
B
G
SDEB ASSY
C
D
FLKY ASSY
IC1001
VEE 30
FL Driver
D
V1001
FL TUBE
CN202
(8P)
SW+6V
2
SW+2.5V
4
SW+4V
6
SW+4V
7
SW+4V
8
E
CN101
F F1
LIVE 1
AC IN
2
NEUTRAL
20
1
2
V+5A
V+5D
CN4001
(8P)
SW+6V
2
SW+2.5V
4
SW+4V
6
SW+4V
7
SW+4V
8
A
TUNB ASSY
V+6SW V+9
2 8
CN402
(15P)
8 14
CN1001 CN201
(19P) (19P)
V–28V
1 19
FLDC –
2 18
FLDC +
3 17
NC
V+5E 14 6
V+5E
18 2
CN201 CN104
(15P) (15P)
FLDC (–)
3 3
FL–28V
4 4
FLDC (+)
5 5
EV+37V
7 7 V+37E V+6E V+13SW V+6SW
EV+6V
9 9
SW+13V
11 11
SW+6V
13 13
EV+15V
15 15
CN203
(4P)
DRIVE ASSY
SW+12V
1
SW+5V
R7R
R7
4
CN204
(4P)
SW+12V
1
HDD
SW+5V
4
2
3
C
MAIN ASSY
IC4004
5V REG.
5 1
IC4006
5V REG.
5 1
V+2R5V
V+6V
V+6V
V+2R5V
V+4V
V+4V
V+4V
V+6E V+37E
CN301
7 9
(19P)
CN401
13 11
(19P)
V+6E
V+6SW
V+12SC
Q106
V+15E
V+13SW
V+15E
Q102
CN105
1
(2P)
DC FAN
MOTOR
DVR-520H-S
3
4
IC4008
V+PRA
1.2V REG.
1 3
IC4007
V+3V
3.3V REG.
5 4
IC4002 IC5002
V+3D
3.3V REG. 2.5V REG.
1 3 7
V+3D
V+13V
V+5VO V+5RP
CN2001 CN3001
32 21 23
(32P) (24P)
CN701 CN702
32 21 23
(32P) (24P)
V+5VO
V+5SC
Q103
Q107 Q108
V+6SW
V+5VI
Q100 Q101
V+6E
IC102
V+3_3E
3.3V REG.
1 6
V+6E
IC101
V+5E V+5M
5V REG.
1 3
V+6E
IC103
V+9
9V REG.
1 3
B
V+13SW
JCKB ASSY
4
V+2R5
1
V+12A
Q4000