LG 55LM6400 (CHASSIS:LT22E) Service Manual ▷ View online
14 / 79
NetCast3.0 Backend block diagram (EPI & T-con)
IC7700
TPS65178
IC7701
TPS65198
50Pin
EPI LEFT
50Pin
EPI RIGHT
VCOM, GIP_RST
R(0옴)
OPT
DISCHG
VGL_I
VGL
_I
VGH_ODD, VGH_EVEN
VGH_R, VGH_F, VST
R
(0옴)
CLK1~6_I
CLK1~6
VC
OM
_P
/N
/L
O
O
P
VGL_FB
CTRLN
VCC
CTRLP
VGH_FB
VDD
SWP
SWN
Main
SoC
MTK
R
(47옴)
EO_SOC
MCLK_SOC
GST_SOC
GCLK_SOC
GCLK
MCLK
GST
EO
[TCON6]
[TCON5]
[TCON4]
[TCON3]
15 / 79
NetCast3.0 Backend block diagram (EPI & T-Con)
Main SoC
MTK
IC7700
TPS65178
50Pin
EPI LEFT
50Pin
EPI RIGHT
GMA[1][3][9][10][12][14][15][
16][18]
GMA[4][5][7][12][15]
EPI_L
OC
K3
K3
TXA1N/P, TXACLKN/P, TXA4N/P
EPI
CH1/2/3
EPI
CH4/5/6
TXA0N/P, TXB1N/P, TXB2N/P
Z_OUT
Vcore
VDD
H_VDD
Vcore
H_VDD
VDD
VCC18
VCC18
VCOMLFB
VCOMRFB
EPI_LOCK6
EPI_LOCK6_SOURCE
VCOM_DYN
PMIC_RESET
I2C_SDA2
I2C_SCL2
[TCON7]
[TCON8]
[OPCTRL11]
[OPCTRL10]
16 / 79
NetCast3.0 Backend block diagram (LVDS Tx & Local Dimming)
LVDS Tx
Block
Main SoC
MTK
LVDS_SEL
BIT_SEL_LOW
51Pin
LVDS
Output
PANEL_VCC
(+12V)
41Pin
LVDS
Output
10-bit (R)
Dual-link LVDS Output
24
10-bit (R)
24
Dual-link LVDS Output
• LVDS_SEL : “H”=JEIDA, “L” or NC=VESA (LGD)
• BIT_SEL : “H” or NC = 10-bit, “L” = 8-bit
• BIT_SEL : “H” or NC = 10-bit, “L” = 8-bit
L/DIMO_SCLK
L/DIMO_MOSI
I2C_SCL1
I2C_SDA1
L/DIMO_VS
[LDM_CK]
[LDM_VSYNC]
[STB_SCL]
[LDM_D0]
[STB_SDA]
17 / 79
◈ CONTENT ◈
1. Model naming and tool option
2. New features
3. Main PCBs
4. Block Diagrams, IIC Map
5. Structure of TV set and connection of sub ass’ys
6. New sub ass’ys
- Instruction of new sub ass’ys
- How to use tool
- Download
7. Adjust way of new features
8. Repair guide
9. The latest issue and concerning issue
Click on the first or last page to see other 55LM6400 (CHASSIS:LT22E) service manuals if exist.