Power Supply Block Diagram - Pioneer DV-575A-S Service Manual

1

3.1.2 POWER SUPPLY BLOCK DIAGRAM

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3 7 63 1515 0
A
CN1013
CN101
(24P)
SPINDLE
OEIC
MOTOR
VCC
2
B
03 SD
PICKUP
ASSY-S
CN102
V+5S
C
TE
L 13942296513
CN104
ST2-
STEPPING
M
MOTOR
ST2+
ST1+
ST1-
D CN601 CN103
CN602
LOAD-
2 1
LOAD+
– +
M
1 2
S101
SW2
3
LOADING
V+3D
MOTOR
4
ASSY
SW1
5
A
LOAB ASSY
E
POWER SUPPLY
E
UNIT
www
CN1
LIVE
AC IN
F
NEUTRAL
22
1
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2
B
DVDM ASSY
(24P) V+5S
2
ı1/3
V+5S
(12P)
IC101
M63018FP
1
FTS DRIVER
• Focus
• Tracking
• Stepper
• Spindle
• Loading Drive
• FG Detection
1
2
3,22,
3
32,39
4
1
2
V+3D
3
4
5
CN2 CN301
(13P) (13P)
-28V
13 13
FL DC+
12 12
x ao
FL DC-
y
11 11
EV+4V
8 8
SW+3.3V
. i
7 7
EV+6V(A)
5 5
EV+6V(B)
4 4
SW+12V
2 2
2
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3
8
ı1/3
IC201
MT1389EE-L1
DVD IC
V+1R8
52,97,122,
152,173,221
Q Q
3 6 7
V+6
IC203
FLASH ROM
12 37
ı1/3
V+3
IC801
V+5A
V+3 V+6 V+12
NJM78M05FA
5V REG.
IC311
PQ1M505M2ZPQ
5V REG.
V+6B
IC321
BA00BC0WT
1.8V REG.
u163
IC341
S-L2980A33MC-C6S
3V REG.
V+4E
DV-575A-S
3
4
2 9 9 4
ı1/3
IC204
BR24L16FV-W
V+3D
EEPROM
8
46,65,73,80,
108,127,141,
155,167,182,
204,212
189,195,
199
24,234,239,
244,256
228
229
1 3 1 5 0 5 8 2 9
IC202
K4S641632H-TC75-K
64M SDRAM
1,3,9,14,
27,43,49
ı1/3
V+3D
V+3D
V+5S V+5V V+1R8
CN201
(15P)
m
4
6
co
2
V+3E
5
IC205
.
8
PST3228
RESET
4
2 8
9 9
V+3
V+3D
V+3V
V+3RF
X201
27MHz
9 4 2 8 9 9
-28V
FL DC+
FL DC-
V+3E
RESET