3. TECHNICAL BRIEF
- 48 -
3.15 LCD Back-light Illumination
In LCD Back-light illumination, there is an charge pump driver in main PCB, which is
controlled by LCD_DIM line from AD6525.
Figure 3-29. MAIN LCD BACKLIGHT ILLUMINATION
LCD BACKLIGHT LED
C217
18p
ECVAS1005-14A30-120NBT
VA207
OUT
2
AAT3123ITP-20-T1
U203
C1+
4
3
C1-
1
C2+
C2-
12
8
D1
7
D2
6
D3
5
D4
9
EN_SET
GND
11
IN
10
1u
C213
C214
1u
C212
1u
C216
39p
FB1
C215
1u
18p
C211
VBAT
LCD_DIM
LCD MODULE
Summary of Contents for C1150
Page 1: ...Service Manual Model C1150 Service Manual C1150 Date October 2005 Issue 1 0 ...
Page 3: ......
Page 99: ...Note 100 ...
Page 104: ... 105 8 PCB LAYOUT 8 PCB LAYOUT ...
Page 105: ... 106 8 PCB LAYOUT ...
Page 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 117: ...Note 118 ...
Page 119: ... 120 Note ...
Page 135: ...Note 136 ...