Table of Contents
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Circuit Diagrams and PWB Layouts
10-1-18
B18, PSU & Inverter Interface
PSU & Inverter Interface
B18
LIPS Interface
CN701
BL_CTRL
1
2
BRI_ADJ
3
4
5
+
C701
6
330UF 35V
7
8
9
10
11
+
C703
12
330UF 35V
13
CONN
R701
10K 1/16W 5%
+
C705
470UF 10V
Backlight On/Off
5VSB
5VSB
R704
NC/2.2K 1/16W
0R05 1/16W
R744
10K 1/16W 5%
R703
BL_ON/OFF#
Q701
10K 1/16W 5%
L : BL_ON
PMBS3904
H : BL_OFF
R702
NC/10K 1/16W 5%
TPM9.1A LA
10.
+12V
FB701
1
2
120R/6000mA
C702
100N 50V
+24V
FB702
1
2
120R/6000mA
C704
100N 50V
R712
100 OHM 1/10W
ZD701
NC/BZX84C3V6
R738
NC/0R05 1/16W
5VSB
FB703
1
2
120R/6000mA
C706
10U 16V
PWR_OK
R750
0R05 1/10W
5V_SW
R706
2.2K 1/16W
R705
R751
0R05 1/10W
Q702
C707
R711
NC/2N7002
100N 16V
47K 1/16W 5%
EN 55
5V_SW
R4056
100R 1/16W 1%
PSU_STBY
H : ON
L : Standby
OPWRSB
Reserved for OPWRST control PSU_STBY
DVDD3V3
5V_SW
R746
4K7 1/16W 5%
BL_CTRL
R707
BL_DIM_PWM
10K 1/16W 5%
PWM Control
0% : Max Luma
99% : Min Luma
back to
2012-Jun-15
div. table
PSU_STBY
PWR_OK
DVDD3V3
BL_DIM_PWM
BL_ON/OFF#
R4055
NC/100R 1/16W 1%
OPWRSB
PSU_STBY
3V3_BUCK
Brightness Adjust
R708
R709
NC/2.2K 1/16W
1K 1/16W 5%
R710
0R05 1/16W
R752
C708
0R05 1/10W
Q703
NC/1UF 10V
PMBS3904
GND
4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,22,23,24
PSU & Inverter Interface
B18
PSU_STBY
4,22
PWR_OK
4
BL_DIM_PWM 4
BL_ON/OFF#
4
OPWRSB
4,23
BRI_ADJ
C
2012-04-24
715G5617
19330_517_120606.eps
120611
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