10-6
Power Supply Block Diagram
A84N1BLP
4A/125V
F601
4A/125V
LINE
FIL
TER
L601
A
C601
A
C
CORD
BRIDGE
RECTIFIER
D605 - D608
HO
T
COLD
T601
19
17
16
15
14
5
4
3
1
2
IC601
ERR
OR
V
O
LT
A
GE DET
Q601
Q603
SWITCHING
CONTR
OL
SWITCHING
MAIN CB
A
3
7
8
EV+12V
P-ON+5V
AL+3.3V
P-ON+3.3V
INV+22V
+35V
P-ON+9V
VT+33V
DTV
-ON-H
P-ON-H1
D
V
D-MAIN-PO
WER
HOT CIRCUIT. BE CAREFUL.
13
18
Q913
FEED
BACK
12
CN701
CN1501
CN61
CN61
CN102
CN101
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
PO
W
-CONT1
PO
W
-CONT2
P-DO
W
N
TO LCD
BACKLIGHT
BLOCK
DIAGRAM
IC908
,Q910,
Q919,Q922
SW+1.5V
IC905
+5V REG.
IC904
+1.8V REG.
IC909
,Q901
+3.3V REG.
IC912
,Q909
SW+2.5V
IC913
,Q935
SW+13V
Q917,Q928
SW+3.3V
Q927
SW+5V
Q905,Q906
SW+7V
Q907
SW+5V
IC910
,Q902,
Q924,Q925
SW+3.3V
Q923
SW
Q934
SW-6.8V
Q918
SW+9V
IC911
,Q908
SW+3.3V
Q929,Q930
SW
O
VER CURR.
DET
Q916
CN708
CN401
EV+3.3V
19-21
D
V
D-ON+3.3V
18
EV+9V
15,16
D
V
D-ON+5V
17
EV+1.2V
22,23
6-8
9
11,12
10
4,5
EV+9V
D
VD-ON+5V
D
VD-ON+5V
AL+3.3V
EV+3.3V
D
VD-ON+3.3V
EV+1.2V
D
VD MAIN CB
A UNIT
IC907
,Q904
SW+3.3V
Q914
SW+3.3V
IC902
+1.2V REG.
Q912
DTV
-ON+3.3V
19
DTV
-ON+1.8V
21
DTV
-ON+2.5V
20
4
6
5
DTV
-ON+5V
3
3
AL+3.3V
26
1
DTV MODULE CB
A UNIT
DTV
-ON+5V
DTV
-ON+2.5V
DTV
-ON+5V
DTV
-ON+1.05V
IC291
+1.05V REG.
P-ON+5V
6
18
AL+3.3V
14
10
LCD+13V
16
8
P-ON+3.3V
8,9
15,16
P-ON+1.5V
12,13
11,12
LCD-6.8V
18
6
LCD+24.5V
20
4
LCD+3.3V
23
1
DIGIT
AL MAIN CB
A UNIT
P-ON+5V
P-ON+3.3V
P-ON+1.5V
AL+3.3V
LCD+13V
LCD-6.8V
LCD+24.5V
LCD+3.3V
Q911
Q936
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 m
ê
me type de 4A, 125V.
4A/125V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Summary of Contents for LD195EM8
Page 17: ...5 3 A84N0DC 3 Rear Cabinet S 1 1 Arm Assembly 2 Stand Cover S 2 S 2 S 3 S 3 S 3 Fig D1 ...
Page 54: ...11 6 A84N1SCM4 MAIN 4 6 Schematic Diagram LCD TV Section ...
Page 57: ...11 9 A84N1SCF Function Junction Schematic Diagram LCD TV Section ...
Page 59: ...11 11 A84N1SCD1 Digital Main 1 6 Schematic Diagram LCD TV Section ...
Page 64: ...11 16 Digital Main 6 6 Schematic Diagram LCD TV Section A84N1SCD6 ...
Page 65: ...11 17 DTV Module 1 2 Schematic Diagram LCD TV Section A84N1SCDT1 ...
Page 66: ...11 18 DTV Module 2 2 Schematic Diagram LCD TV Section A84N1SCDT2 ...
Page 68: ...11 20 A84N1SCDV2 DVD Main 2 3 Schematic Diagram DVD Section ...
Page 69: ...11 21 A84N1SCDV3 DVD Main 3 3 Schematic Diagram DVD Section ...
Page 72: ...11 24 Function CBA Top View Function CBA Bottom View BA84N0F01011 2 ...