IEI Integration ICE-DB-T6 - Manual (Page 59)

Type 6 Carrier Board Design Guide
Page 49
LVDS_VDD_EN 3
C269
1000P_4_X_50V
LVDS
C273
2.2U_6_Y_10V
1
2
C272
10U_1210_Y_25V
2
1
5V
3.3V(Default)
2-3
1-2
J_VLVDS1
J_VLVDS1(1-2)
MINIJUMPER_1X2_2
Q2A
FDS6975_SOP8
2
1
7 8
R145
1M_4
1
2
+V12
+V3.3_LCD_PANEL
Q3
2N7002_SOT23
D
G
S
G
D
R151
100K_4
1
2
S
+V3.3
+V5
J_VLVDS1
HEADER_1X3_2
1
2
3
C110
10U_8_X_6V3
C109
10U_8_X_6V3
+V3.3
C270
0.1U_4_Y_16V
C271
0.1U_4_Y_16V
R417 100K_4
1 2
+V5
Figure 3-19: LVDS Power Control
LVDS_BKLT_CRTL
LVDS_BKLT_EN
+V12_LCD_BKL
LVDS_ENABKL
LVDS_BRIGHTNESS
R147
39_4_1%
C116
10U_1210_Y_25V 2
1
R153 @4.7K_4
+V5
R154 @4.7K_4
LVDS_BRIGHTNESS
Q5
2N3904_SOT23
B
E
C
Q4
2N3904_SOT23
B
E
C
INVERTER1
WAFER_1X5_2
LCD_Adj
1
GND1
2
12V
3
GND2
4
BL_EN
5
R152
100K_4
R150 1K_4
R149
1K_4
+V12_LCD_BKL
R148
47K_4
1
2
+V5 +V12
Q2B
FDS6975_SOP8
4
3
5 6
R146
1K_4
FB4
FB11_12_600MA
1
2
C115
0.1U_4_Y_16V
C114
10UF_1210_16V
1
2
+V12_LCD_BKL
Figure 3-20: Backlight Control Circuit