
1-9-4
H9774BLP
Power Supply Block Diagram
AC1001
F1001
T1.6AL/250V
LINE
FILTER
L1003
D001 - D004
BRIDGE
RECTIFIER
2
4
Q1001
Q1003
Q1008
Q1004
7
8
1
2
3
4
IC1001
ERROR
VOLTAGE DET
T0011
MAIN CBA
POWER SUPPLY CBA
HOT CIRCUIT. BE CAREFUL.
20
19
18
17
16
15
14
13
12
11
1
EV+1.2V
2
EV+1.2V
3
EV+3.3V
4
EV+3.3V
5
EV+3.3V
7
P
-ON+5V
8
EV+11V
9
EV+11V
6
P
-ON+3.3V
17
PWRCON
C-POW-SW
P-ON+5V
P-ON-H
P-DOWN-L
P-ON+44V
AL-30V
AL+12V
TIMER+5V
AL+5V
AL+20.5V/+12V
Q053,Q054
SW+44V
Q1053, Q1054
SW+12V
Q056
SW+5V
Q051,Q052
SW+20.5V
P-ON+15V
DVD P-ON+12V
Q057
CL051A
CL051B
CN051
1
A
L+44V
1
3
A
L+12V
3
5
AL+5V(P-DO
WN)
5
6
AL+5V
6
8
AL+20.5V
8
CL052A
CL052B
<TO PIN 67 OF IC501>
<TO PIN 86 OF IC501>
<TO PIN 66 OF IC501>
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
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.
IC1003
+3.3V REG.
IC1002
+1.2V REG.
JUNCTION
CBA
CN051A
1
3
5
6
8
1
3
5
6
8
10
12
14
10
12
14
EV+3.3V
DVD P-ON+3.3V
DVD P-ON+5V
Q1055
CL1051
SW+5V
Q1052
SW+3.3V
Q058
Q059
SW+5V
HOT
COLD
11
AL+30V
33
AL+2.8V
55
AL+4V
Содержание DCX710SL
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Страница 36: ...Main 7 8 DVD Open Close Schematic Diagrams VCR Section 1 10 15 1 10 16 H9774SCM7...
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Страница 39: ...Jack A Schematic Diagram 1 10 21 1 10 22 H9774SCJ...
Страница 44: ...1 10 31 1 10 32 H9774SCD1 DVD Main 1 3 Schematic Diagram DVD Section...
Страница 45: ...1 10 33 1 10 34 H9774SCD2 DVD Main 2 3 Schematic Diagram DVD Section...
Страница 47: ...1 10 37 1 10 38 H9774SCD3 DVD Main 3 3 Schematic Diagram DVD Section...
Страница 55: ...1 15 3 H9774PEX Packing S1 A14 X4 Unit S3 S2 S2 X5 S7 Some Ref Numbers are not in sequence X20A X2 X3 X1...
Страница 91: ...DCX710SL H9774FD 2004 06 10...