Figure 3-1-16. Multi EL lighting
)
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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
3.1.15 Multi EL lighting
There are 13 EL lighting channel. Each lighting channel is operated independently. EL
controller(U901) control AC generator and EL driver(U900). AC generator generate 190V AC
signal. And this 190V AC signal is switched by EL driver. Through EL driver, AC signal of the
each lighting channel is switched independently. Finally, switched AC signal illuminate EL sheet.
& TEST POINT
HV_OUT_PAD& BP_PAD SIZE
ISSP
I2C
EL DWONLOAD
1.7X1.4mm
MULTI EL
TP908
EL_G1
10M
R910
TP105
470pF
C903
32
VSS1
12
VSS2
17
XREX
OUT901
P1_5
9
16
P1_6
8
P1_7
P2_0
20
P2_1
5
21
P2_2
4
P2_3
P2_4
22
P2_5
3
23
P2_6
2
P2_7
P3_0
18
P3_1
7
19
P3_2
6
P3_3
28
VDD
33
GND
P0_0
24
P0_1
1
P0_2
25
P0_3
31
26
P0_4
30
P0_5
P0_6
27
P0_7
29
P1_0
13
P1_1
11
14
P1_2
10
P1_3
P1_4
15
U901
CY8C21434
D1 D2 D3 D4 D5
G
S1 S2
TP107
Q900
SIA450DJ
0.1u
C904
C905
TP112
VREG_6.1V
150p
TP109
R913
100K
OUT905
OUT911
TOUCH_3.1V
OUT908
OUT914
OUT902
R915
56K
OUT903
C906
0.1u
TOUCH_3.1V
TP902
RF051VA2S
D901
TP106
OUT904
TP108
TP111
VREG_6.1V
0.1u
C907
OUT907
OUT900
EL_G2
OUT909
OUT913
TOUCH_3.1V
2.2u
C902
_POL
OUT912
HVOUT4
HVOUT5
8
HVOUT6
7
6
HVOUT7
5
HVOUT8
4
HVOUT9
NC1
13
NC2
16
NC3
18
23
NC4
25
NC5
33
SLUG
VBIAS
26
VDD
20
14
VPP
22
_LE
21
28
19
CLK
DIN
17
DOUT
24
GND
15
HVGND
27
HVOUT1
12
3
HVOUT10
HVOUT11
2
HVOUT12
1
32
HVOUT13
31
HVOUT14
30
HVOUT15
29
HVOUT16
HVOUT2
11
10
HVOUT3
9
HV509
U900
BP
OUT906
TP103
EL_G3
OUT910
100uH
L900
100K
R912
T
O
UCH_B
UTT
ON_SCL
T
O
UCH_SCREEN_SD
A
T
O
UCH_SCREEN_SCL
HV_OUT_13
HV_OUT_14
BP
HV_OUT_2
HV_OUT_3
HV_OUT_4
T
O
UCH_RST
T
O
UCH_B
UTT
ON_SD
A
HV_OUT_10
HV_OUT_11
HV_OUT_12
HV_OUT_5
HV_OUT_6
HV_OUT_7
HV_OUT_8
HV_OUT_9
TOUCH_RST
TOUCH_SCREEN_SDA
TOUCH_SCREEN_SCL
TOUCH_BUTTON_SDA
TOUCH_BUTTON_SCL
BP
HV_OUT_14
HV_OUT_13
HV_OUT_12
HV_OUT_11
HV_OUT_10
HV_OUT_9
HV_OUT_8
HV_OUT_7
HV_OUT_6
HV_OUT_5
HV_OUT_4
HV_OUT_3
HV_OUT_2
EL controller
AC generator
EL driver
EL lighing channel
output (connected
with EL sheet)