FUNAI LT8-M40BB - Page 32

9-5
A03P3BLINV
Inverter Power Block Diagram
LCD MODULE ASSEMBLY
HOT
COLD
HOT CIRCUIT. BE CAREFUL.
TO SYSTEM CONTROL BLOCK DIAGRAM CN453
INVERTER POWER CBA
CN1810 CN1801
T1801
T1831
8 7 5 3 4 2 1
10
9
11 12 13 14 15 16
Q1801
SWITCHING
Q1802
Q1884
SWITCHING
SWITCHING
IC1832 (ISOLATOR)
IC1831
(FEED BACK)
IC1801
(HIGH-VOLTAGE RESONANT CONTROL)
TO POWER SUPPLY BLOCK DIAGRAM CN610 TO POWER SUPPLY BLOCK DIAGRAM CN600
HIGH- VOLTAGE RESONANT CONTROL
8
12 13
2
14
9 5 4
14
3 2
14
3 2
Q1803
Q1804
Q1882
Q1871
AL+3.3V
CN1852 CN1851
PANEL+24V
10-14
Q1883
H.V.(BLACK)
2
HOT+15V(RED)
2
H.V.(BLACK)
1
BACKLIGHT-ADJ
2
BACKLIGHT-SW
3
8 9 3 2 1
10 11
6 5 4
BACKLIGHT-SW
2
P-ON-H1
5
PROTECT3
6
BACKLIGHT-ADJ
4
NOTE: The voltage for parts in hot circuit is measured using hot GND as a common terminal.