1-12-9
Power Supply Block Diagram
E3B40BLP
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1001) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
AC1001
F1001
T2.0A L 250V
LINE
FILTER
L1003
D1001 - D1004
BRIDGE
RECTIFIER
3
5
Q1001
Q1003
Q1107
Q1114
TO SUB
POWER SUPPLY
BLOCK DIAGRAM
(CN1503)
Q1115
Q1102
Q1103
Q1104
7
8
3
4
IC1001
IC1101
ERROR
VOLTAGE DET
T1001
POWER SUPPLY CBA
HOT CIRCUIT. BE CAREFUL.
18
17
16
15
14
13
12
11
10
CL1001
1
AL-30V
2
AL+44V
7,8
AL+12V
CN1001
19-21
AL+2.8V
4-6
P-ON+10.5V
14-16
P-ON+3.3V
9-11
P-ON+5V
CN1003
4
HDD+12V
1
HDD+5V
CN1002
1
F
AN+12V
2
F
AN-LOCK
24,25
P-ON+2.5V(1)
3,4
AL+16.3V
14
P-ON+9V
15,16
P-ON+5V
17,18
AL+5V(3)
23
F1
22
AL+5V
24
F2
25
REG-CONT
26
LO
W
-PO
W
12
F
AN-CONT1
27
PWR-SW
13
F
A
N-LOCK
Q1100
Q1101
Q1105
Q1106
SW+5V
SW-CTL
IC1102
HO
T
COLD
+2.5V REG.
IC1103
+9V REG.
Q1108
+8.5V REG.
+3.3V REG.
IC1104
FAN
IC1105
+5V REG.
TO
DVD/HDD
MAIN CBA
(CN101)
HARD
DISC
DRIVE
1
2
SHUNT
REG.
3
2
1
SW+12V
Содержание T3A-A8182DB
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