Power Block Diagram - Pioneer DVR-220-S Service Manual

1

3.1.4 POWER BLOCK DIAGRAM

A
B
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
IC4004
V+5A
5V REG.
5
IC4006
V+5D
5V REG.
5
CN4001
(8P)
SW+6V
2
SW+2.5V
4
SW+4V
6
SW+4V
7
SW+4V
8
A
TUNB ASSY
V+6E V+37E
CN301
7 9
(19P)
CN401
(19P)
13 11
CN1001 CN2005
(19P) (19P)
V–28V
1 19
FLDC –
2 18
FLDC +
3 17
NC
V+5E 14 6
V+5E
18 2
CN201 CN104
(13P) (13P)
FLDC (–)
3 3
FLDC (+)
5 5
FL–28V
4 4 V+37E V+6E V+13SW V+6SW
EV+37V
7 7
EV+6V
9 9
SW+13V
11 11
SW+6V
13 13
CN203
(4P)
DRIVE ASSY
SW+12V
1
SW+5V
R7R
4
DVR-220-S
2
3
C
MAIN ASSY
1
IC4008
1.2V REG.
1
1
V+2R5V
V+6V
IC4007
3.3V REG.
V+6V
5
V+2R5V
V+4V
IC4002
3.3V REG.
1
V+4V
V+4V
V+9
CN451 CN2001
11
(13P) (32P)
CN402 CN701
3
(13P) (32P)
Q101
V+6SW
V+6E
3.3V REG.
V+6E
V+6E
V+13SW
Q104
V+13SW
CN105
1
(2P)
DC FAN
MOTOR
3
4
V+PRA
3
V+3V
4
IC5002
V+3D V+2R5
2.5V REG.
3 7 1
V+3D
V+12A
Q4000
V+13V
V+5VO V+5RP
CN3001
32 21 23
(24P)
CN702
32 21 23
(24P)
V+5VO
Q103
V+6SW
V+5VI
Q102
IC102
V+3_3E
1 6
IC101
V+5E V+5M
5V REG.
1 3
IC103
V+9
9V REG.
1 3
B
JCKB ASSY
4