32
DVD-2500BTCI
Power Supply Block Diagram
IC1001
(SWITCHING CONTROL
)
HOT
COLD
Q2603
Q2606
Q2610
Q2609
Q2611
Q2605
Q2604
D1009
Q2607
Q1003
VDD
POWER SUPPLY CBA
2
4
7
6
T1001
11
12
15
13
10
9
16
14
A V
AC CORD
CN1003
AC INLET
F1001
2A 250V
LINE
FILTER
L1001
F
3
4
IC1003
ERROR
VOLTAGE DET
1
2
SHUNT
REG.
IC2601
IC2600
D1001 - D1004
BRIDGE
RECTIFIER
SWITCHING
CONTROL
5
2
3
AL+15V(1)
14-16
AL+15V(2)
17-19
AL+5V
20
AL+2.5V
23
F1
21
F2
22
-FL
12
EV+3.3V
3
14-16
17-19
20
23
21
22
12
CN1001
2-5
AL+5V
CN1002
CN2501
F
AN-VCC
1
2
F
AN-LOCK
CN2500
1-3
P-ON+10.5V
7,8
P-ON+5V(1)
CN2601
CN2304
CN2503
14-15
P-ON+3.3V
11
P-ON+1.2V
SW+15V
T
O
FE MAIN
CBA
(CN001)
T
O
BE MAIN
CBA UNIT
(CN7001)
TO
SUB MICR
O-
CONTR
OLLER
CBA
(CN2000)
T
O
BE MAIN
CBA UNIT
(CN7401)
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
F
AN-LOCK
PWSW3
PWSW2
FL-SW
SW+10.5V
SW+5V
SW+5V
+3.3V
REG.
+1.2V
REG.
6
1
3
HOT CIRCUIT. BE CAREFUL.
FAN
Q2608
+3.3V REG.
AV CBA
Q2502
Q2508
Q2504
Q2503
Q2507
17
P-ON+5V(2)
28
P-ON+3.3V
8
EV+3.3V
27
EV+5V
23
F1
33
F2
29
-FL
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.
"Ce symbole reprèsente un fusible à fusion rapide."
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
ATTENTION : Pour une protection continue les risqes
d'Incele n'utiliser que des fusible de m
ê
me type.
Risk of fire
-replace fuse as marked.
"This symbol means fast operating fuse."
A V
F
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