LG -H422 Service Manual page 93

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LGE Internal Use Only
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13 12 11 10
<4-4-7_LCD_Backlight_Flash_DSV_IC_LM3632>
VBAT
L4402
2A
COMMON_I2C_SCL
COMMON_I2C_SDA
FLASH_LED_EN
FLASH_LTD
LCD_PWM
LCD_BL_EN
DSV_AVEE_EN R4402 0
** Note : LCM_EN1 - VNEG
LCM_EN2 - VPOS
R4403 0
DSV_AVDD_EN
R4404 DNI
PWON_DSV_EN
R4405 DNI
13 12 11 10
9 8 7
D4400 ** Note : Recommended 30V / 500mA
200mV / 60V
LCD_LED_A
L4400 10u
1A
L4401 1u C4407
2.5A 120p
E5 B5
VIN BL_OUT
2.2u
A3 C5
LCM_SW BLED1 LCD_LED_C
D5
BLED2
C4408
D2 E3 C4402 10u
DNI
SCL FL_OUT1
C2 F3
SDA FL_OUT2
U4400
D3 E2
LM3632
STROBE FLED1
C3 F2
1
TX FLED2 LD4400
D4
PWM
C1
C4403 10u
C1
B3 E1 2
EN C2
B2
LCM_EN1
B1 A2 C4404 10u
+6.0V
LCM_EN2 LCM_OUT
A1
VPOS +5V5_DDVDH
C4 F1
AGND -VNEG -5V4_DDVDL
9 8 7
94
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Rev_0.3
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LG Electronics
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TITLE
LGH422
SIZE REV
DWG NO
PDM NUMBER
A2 Rev
DRAWN BY SHEET of Date
User Name 4-4-7_LCD_Backlight_Flash_DSV_IC_LM3632 19 Drawing Date
3 2 1