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Power Supply Block Diagram
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F2001) 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.
HOT CIRCUIT. BE CAREFUL.
F2001
L2001
D2001-D2004
AC2001
T2.0A L 250V
LINE
BRIDGE
RECTIFIER
FILTER
BOARD POWER SUPPLY
T2001
16
3
15
CN2001
5
14
2
33 EV+33V
29-32 AL+2.8V
13
23-28 EV+12V
5,6 REG-VCC
Q2101
19-22 AL+5V(1)
4
12
3
1
Q2102
11
7
10
8
9
IC2101
ERROR
VOLTAGE DET
4
1
3
2
REG
Q2209
IC2201
SHUNT
HOT
COLD
REGULATOR
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
Q1025
IC1025
+5V REG.
CN1152
-FL
2
33
29-32
23-28
5,6
19-22
Q1571
F1
4
F2
3
LOW-POW
1
Q1015
Q2203
Q2221
REG
IC2204
SHUNT
REGULATOR
Q1155
IC1152
+3.3V REG.
IC1151
+1.8V REG.
Q1165
Q1164
BOARD AV
1-11-6
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
-FL
EV+32V
SYS+5V
Q1159
+3.3V REG.
EV+3.3V
IC1153
REG
SHUNT
REGULATOR
EV+12V
Q1156
+9V REG.
AL+9V
+5V REG.
AL+5V(2)
Q1573
Q1508
SW+12V
AL+5V(1)
Q1572
CN1015
Q1160
Q1163
+10V REG.
+5V REG.
AUDIO+5V
Q1016
PWR-SW
1V2CONT
TO SYSTEM
REG-CONT
CONTROL
BLOCK
LOW-POW
DIAGRAM
DTV1.05-CONT
Q1154
SW+5V
P-ON+3.3V
P-ON+5V
P-ON+10V
F1
F2
CN1151
IC1751
+1.8V REG.
CN1751
Q1753
TO HARD
DISK DRIVE
1 HDD+5V
4 HDD+12V
TO DVD/HDD
MAIN BOARD
(CN101)
10-12 AL+2.8V
25-27 EV+10.5V
20-22 P-ON+5V
15-17 P-ON+3.3V
6,7
P-ON+1.8V
TO DTV
MODULE
ASSEMBLY
20 TUNER+12V
8 P-ON+3.3V
10 P-ON+1.8V
E2J71BLP
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