Panasonic TC-L42D30, Руководство по обслуживанию, Страница: 32 / 73

32
10.2. Block (1/2) Diagram
HOT COLD
BL_SOS
BL_ON
SUB_ON
5.8VS
P15V
D5178
D5184
D5187
D5179
D5183
D5173
SUB3.3V
USB5V
SUB5V
D5172
PA5440
D5188
D9500
P15V
5.8VS
D9600
PA5300
OVP
SUB5V
IC5440 USB5V
MAIN
DCDCEN
A
+3.3V
+5V
IC5420
SUB3.3V
+5V
IC5400
LCD PANEL
5
5
PANEL_VCC_ON
+12V
IIC0
6
IC5300
40
1
PWM
14
24V
BL_ON
SOS
+16V
12
8
9
LD
SUB_ON
LED2
+/
LED DRIVER
IC9600
LED5
VOL
LD2
9
6
14
13
LED
14
RELAY
OVP
KEY1
Q2002
LED
BACK
LIGHT
PWM
Q9603
CH
4
+16V
10
SOS
4
BL_SOS
N
IC9500
Q9506
N
LED1
AC CORD
LED8
9
LD4
VCC
V/
ANODE1
LED DRIVER
5
1
STB
11
1
4
4
P1
Q9503
LED4
PWM
13
3
7
A09
LED3
BL_ON
STB
8
LED
2
10
LED DRIVER
LED7
+16V
5
11
8
11
24
1
12
[R(A-D)_0+/-)]
-/
15
/V
CH
12
3
2
5
P
VOL
KEY1
LED6
OVP
Q9606
P2
ANODE2
1
6
INPUT/OK
46
VCC
LCD
DRIVER
LVDS DATA
12
PWM
[R(A-D)_E+/-)]
PNL12V
BL_SOS
P4
A15
27
3
5.8V
PANEL12V
MENU
47
POWER SUPPLY
LVDS DATA
11
51
PWM
NEUTRAL
RECTIFIER
INPUT
FILTER
INRUSH
LIMITTER
PFC
LIVE
AC
DETECTOR
DC/DC
CONVERTER
DC/DC
CONVERTER
CONTROL
CIRCUIT
CURRENT
DETECTOR
OVER
CURRENT
OVER
CURRENT
CURRENT
DETECTOR
RECTIFIER
RECTIFIER
RECTIFIER
VOLTAGE
DETECTOR
VOLTAGE
DETECTOR
2
7
3
4
5
6
1
HOT COLD