2-10(No.YA711<Rev.001>)
(No.YA711<Rev.001>)2-9
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HOT
COLD
MAIN PWB
HOT CIRCUIT. BE CAREFUL.
Q602
SWITCHING
CONTROL
1
4
3
2
IC601
T601
2
LINE
FILTER
L601
AC601
AC CORD
BRIDGE
RECTIFIER
D601- D604
4
3
11
15
10
9
16
14
13
12
7
6
FEED
BACK
Q601
SWITCHING
Q631
CN201
CN401
CN301
CN3701
Q202,Q203
SWITCHING
Q206
SW-7.1V
Q402
Q201,D202
SW+13V
Q904,D906
SW+3.3V
Q903,D905
SW+3.3V
Q634
IC631
+3.3V
REG.
2
3
Q633
Q638,Q639
Q635,Q636
SW+5V
Q637
SW+5V
Q641
SW+9V
Q640,D662
SW+3.3V
IC901
+1.2V REG.
4A/125V
F601
4A/125V
P-ON-H1
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
P-ON-H2
VCOM
+5V REG.
PROTECT2
DVD-MAIN-PWR
PROTECT1
SWITCHING
AL+33V
P-ON+5V
AL+3.3V
SP+14V
TUNER+5V
P-ON+9V
P-ON+3.3V
PANEL+13V
19,20
21,22
13,14
P-ON+3V
P-ON+7V
AL+3.3V
P-ON+3.3V
P-ON+5V
AL+3.5V
DVD-ON+3.3V
EV+3.3V
DVD-ON+5V
EV+9V
EV+1.2V
LCD PANEL UNIT
DVD MAIN PWB UNIT
DIGITAL MAIN PWB UNIT
PANEL-7.1V
8
P-ON+3.3V
19,20
P-ON+3.3V
6,7
PANEL+24.5V
4
PANEL+13V
2,3
AL+3.3V
21,22
16
10
P-ON+7V
16
P-ON+3V
10
P-ON+5V
13,14
Q205
SW+24.5V
Q901,Q902
SWITCHING
10
11,12
6~8
4,5
9
DVD-ON+5V
10
EV+9V
11,12
1
AL+3.3V
1
EV+3.3V
6~8
EV+1.2V
4,5
DVD-ON+3.3V
9
CN901
Q905
SW+9V
VCOM
10
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) 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.
For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
CAUTION ! :
ATTENTION :
Utiliser un fusible de rechange de même type de 4A, 125V.
4A/125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
POWER SUPPLY BLOCK DIAGRAM
Summary of Contents for LT19D200 - 19" LCD TV
Page 10: ...1 10 No YA711 Rev 002 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 4 S 2 S 2 S 3 Fig D1 ...
Page 70: ...2 54 No YA711 Rev 001 No YA711 Rev 001 2 53 TOP PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...
Page 71: ... No YA711 Rev 001 2 55 2 56 No YA711 Rev 001 R699 TOP MAIN PWB PATTERN PARTS SIDE ...