9-5 A91H2BLP1
LCD MODULE
ASSEMBLY
HOT
COLD
HOT CIRCUIT. BE CAREFUL.
CN1601
HOT-GND2
ACL1
AC601
AC CORD
AC
INLET
LINE
FILTER
L1601
LINE
FILTER
L1602
T1201
BRIDGE
RECTIFIER
D1205-D1208
BRIDGE
RECTIFIER
D1601
L1604
TO SYSTEM CONTROL
BLOCK DIAGRAM
INVERTER POWER CBA
AL+3.3V
CN1501
CN1804
F1601
8A/250V
4
6
1
2
10
9
8
7
2
5
11
8
T1701
8
7
5
3
4
2
1
10
9
11
12
13
14
15
16
Q1204
SWITCHING
CONTROL
IC1202
14
3 2
Q1203
SWITCHING
Q1602
SWITCHING
Q1601
VCC
SWITCHING
(FEED BACK)
RL1201
Q1202
Q1201
Q1701
SWITCHING
Q1702
SWITCHING
IC1705
(ISOLATOR)
IC1704
(FEED BACK)
IC1401
(SWITCHING CONTROL)
IC1702
(HIGH-VOLTAGE
RESONANT CONTROL)
SWITCHING
CONTROL
Q1101
+3.3V REG.
TO POWER
SUPPLY 2
BLOCK
DIAGRAM
CN601
7
11
11612
14
L1603
2
5
11
8
HIGH-
VOLTAGE
RESONANT
CONTROL
8
8
12
13
3
14
9
5
4
14
3 2
14
3 2
IC1705
(ISOLATOR)
Q1705
Q1703
Q1704
Q1404
Q1403
Q1402
Q1401
Q1707
Q1708
14
3 2
PANEL+24V
1-5
CN1803
PANEL+24V
1-5
P-ON-H2
P-ON-H1
PROTECT3
BACKLIGHT-ADJ
BACKLIGHT-SW
+354V 1
HOT+22V 4
PROTECT3
11
BACKLIGHT-ADJ
13
BACKLIGHT-SW
14
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Power Supply 1 Block Diagram
[42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1601) 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
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