Power Block Diagram - Pioneer DVR-310-S Service Manual

1

3.1.4 POWER BLOCK DIAGRAM

A
B
C
F
FLKY ASSY
IC1001
30
VEE
FL Driver
D
V1001
FL TUBE
E
F1
F
CN1
4A/125V
LIVE 1
AC IN
2
NEUTRAL
20
1
2
D
MAIN ASSY
V+5A
V+5D
V+12A
CN1001 CN2005
(19P) (19P)
V–28V
1 19
FLDC –
2 18
FLDC +
3 17
V+13SW (NC)
14 6
V+5E
V+5E
18 2
CN202 CN2001
V+4SW V+2_4SW
(8P) (8P)
SW+4V
2 2
SW+4V
3 3
SW+2.4V
5 5
SW+6V
7 7
CN201 CN2004
(13P) (13P)
FLDC (–)
3 3
FLDC (+)
5 5
FL–28V
V+37E V+18E V+6E V+13SW
4 4
EV+37V
7 7
EV+18V
9 9
EV+6V
11 11
SW+13
13 13
CN203
(4P)
DRIVE ASSY
SW+12V
1
SW+5V
R6
4
CN204
(4P)
SW+12V
1
SW+5V
4
2
3
V+1R2V
IC4004
5V REG.
5 1
IC4006 V+4V
5V REG.
5 1
V+6V V+4V
IC4001
V+13V V+1R2V
12V REG.
5 8
V+6V V+4V
CN4001
2 4 6 8
(8P)
CN2003
2 4 6 8
(8P)
V+6SW
V+13SW
Q2640
CN2006
1
(2P)
DC FAN
MOTOR
DVR-310-S
3
4
E
MHLP ASSY
CN4702 CN2
V+3D
(30P) (30P)
V+3D
16 16
V+3D
17 17
V+3D
18 18
V+3D
19 19
V+3D
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 1
V+3D
V+5VO V+5RP
CN2001 CN3001
1
(32P) (21P)
CN3001 CN2008
1
(32P) (21P)
V+5VO
Q2621
V+6SW
V+5VI
Q2531 Q2532
V+6E
IC2541
V+3_3E
3.3V REG.
1 6
V+6E
IC2551
V+5E V+5M
5V REG.
1 3
V+6E
IC2581
V+9
9V REG.
1 3
B
V+13SW
TUMJ ASSY
4
V+2R5
1
1