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3. TECHNICAL BRIEF
3.10 LCD Back-light Illumination
LCD backlight LEDs is controlled by AD6724 via AAT3157, U202.
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 3.13 MAIN LCD BACKLIGHT ILLUMINATION
Figure 3-5-3. Charge pump Output Current
LCD & CHARGE PUMP
R216
75K
ECCH0004904
1u
C222
VBAT
4
5
IN
NC
12
U202
C1+
10
9
C1-
7
C2+
6
C2-
CP
8
1
D1
D2
2
3
D3
EN_SET
11
GND
AAT3157ITP-T1
EUSY0238702
C221
ECZH0001215
1u
C220
ECCH0004904
1u
C223
27p
43K
R219
C241
ECCH0004904
1u
C226
27p
2V8_VEXT
C224
27p
C225
DNI
MLED
LCD_BACKLIGHT_CTRL
MLED1
MLED2
Summary of Contents for KP110
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