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Protection Circuit of A+P+LDP type
<Protection Circuit>
LDP5/LDP6
LDP
VLED1/2(*)
(Ex. TNPA6375**)
DC/DC
LDP3
5,6
19,20
64V(*)
PFC
64V(*)
T7202
Output
IC7201
Transformer
DC/DC
T7301
IC7301
16V
Output
P
( Ex. TNPA6374** )
Ex. 65EX6**(75EX7**) series
(*)The DC level is different by the LCD panel.
Back Light
1
3
4
Tr
IC7800
LED
3
Drive
LDP2
1
13
16V
9
Q7402
/04
1
2
3
4
16V
Q7403/05
P2
LCD Module
IC5260
PNL12V
12V
15
14
IC3800
AMP
9
ON OFF
(OFF)
1
2
3
N OFF
4
(OFF)
A02
IC5230
5V
IC5200
3.3V
IC8103
1.0V
<A+P+LDP>
T-CON
A16
44 - 51
Panel_VCC_ON
N SOS
SOUND_SOS
BL_SOS
N SOS
BL_ON
LCD_TV_SUB_ON
(OFF)
IC5000
detect
Over voltage
protection
IC8001
HDMI3.3V
3.3V
SUB5V
IC5705
1.8V
TU1.8V
SUB3.3V
SUB1.0V
IC8000
9 Blink
1 Blink
7 Blink
Low
voltage
detect
A
49
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