48
DVD-3800BDCI
Power Supply Block Diagram
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
IC1101
(SWITCHING CONTROL
)
HOT
HOT
COLD
Q2603
Q2606
Q2614, Q2615
Q2610
Q2609
Q2611
Q2605
Q2604
D1117
Q2607
Q1103
VDD
POWER SUPPLY CBA
SUB POWER CBA
2
4
8
7
T1101
17
16
15
13
11
10
12
18
14
3
4
IC1103
ERROR
VOLTAGE DET
1
2
SHUNT
REG.
IC2601
IC2600
IC1105
IC1106
D1101 - D1104
BRIDGE
RECTIFIER
SWITCHING
CONTROL
5
2
12
EV+3.3V
12
CN1111
2-5
AL+5V
6-8
P-ON+3.3V(S)
5
P-ON+5V(2)
CN1109
CN1110
CN2501
FA
N
1
2
F
AN-LOCK
CN2500
1-3
P-ON+10.5V
7,8
P-ON+5V(1)
CN2601
CN2600
CN2503
14-15
P-ON+3.3V
11
P-ON+1.2V
SW+15V
SW
-12V
Q2613
Q2600
Q2602
Q2601
Q2612
SW+3.3V
T
O
FE MAIN
CBA
(CN001)
T
O
F-A
UDIO
CBA
(CN10)
TO
SUB MICR
O-
CONTR
OLLER
CBA
(CN2000)
T
O
BE MAIN
CBA UNIT
(CN7401)
T
O
SCALER
CBA UNIT
(CY080)
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
F
AN-LOCK
A33-PW
-CONT
PWSW3
PWSW2
FL-SW
+10.5V REG.
Q1106
SW+5V
SW+5V
+3.3V REG.
CURRENT
LIMIT
+1.2V REG.
6
1
3
VDD
SWITCHING
CONTROL
4
5
8
3
FAN
Q2608
+3.3V REG.
AV CBA
Q2502
Q2508
Q2504
Q2503
Q2507
28
P-ON+3.3V
8
EV+3.3V
4
EV+3.3V(2)
2
P-ON-12V
1
P-ON+15V
27
EV+5V
34
F1
33
F2
29
-FL
AC CORD
CN1001
AC INLET
F1001
2.51A 250V
LINE
FILTER
L1001
LINE
FILTER
L1002
CN1002
C
N
1101
A V
F
HOT CIRCUIT. BE CAREFUL.
1
1
2
1
2
2
SW1001
MAIN
POWER
22
-FL
22
8
SCALER-PWSW
8
13
P-ON+5V(2)
13
21
F2
21
23
F1
23
20
AL+2.5V
20
1
AL-12V
1
17-19
AL+5V
17-19
14-16
AL+15V(2)
14-16
3
AL+15V(1)
3
SWITCHING
SCALER-PWSW
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299