LG 42LM670S / 42LM670T / 42LM671S / 42LM671T (CHASSIS:LD22E) Service Manual ▷ View online
GP4 Backend block diagram (LVDS Tx & Local Dimming)
LVDS Tx
Block
Main SoC
MTK
LVDS_SEL
BIT_SEL_LOW
51Pin
LVDS
LVDS
Output
PANEL_VCC
(+12V)
41Pin
LVDS
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
L/DIMO_SCLK
L/DIMO_MOSI
I2C_SCL1
I2C_SDA1
L/DIMO_VS
[LDM_CK]
[LDM_VSYNC]
[STB_SCL]
[LDM_D0]
[STB_SDA]
Interconnection - 1
1
Main PCB
2
Power Board
3
Tact key PCB
T-con Driver
1
2
3
4
5
Main / LPB 24Pin cable
Main / Module EPI cable
50& 50PIN
50& 50PIN
LED driver / PSU
10Pin (IR+Touch) Cable
SPK Cable
Local Dimming Cable
[PCBs]
[Cables]
6
1
2
3
1
2
3
4
5
6
xxLM760S-ZA
7
RF Assy Cable
7
8
WIFI Assy Cable
8
4
5
4
RF Assy
5
WIFI Assy
2012Y IR + Soft touch PCB Pinmap
Circuit Block Diagram
Pin Configuration
KEY1, KEY2 Voltage
(Tolerance of voltage ±0.2V)
(Tolerance of voltage ±0.2V)
Ass’y Picture
2012Y IR + Soft Touch LED Lighting Scenario
구분
Spec 내용
비고
Power
Indicator UI
- 12Y GP4 High(L9), GP4 Mid(MTK), GP4 Low(S7LR2)
Æ “ Power Light” UI Delete compared with 11Y(GP3 model)
- 11Y Carry Over Model : 12Y same Power LED scenario process
Æ “ Power Light “ UI Delete, The way of 11Y Soft Touch Ass’y is used. White LED Disable
-
GP4
(High/Mid/Low)
Power LED
Scenario
User
Condition
Power On
- Stand-By condition to Red LED On : After DC ON, Red LED light Blinks twice and then Red LED is Off
- Stand-By condition to Red LED Off : After DC ON, Red LED light Blinks three times and then Red LED is Off
-
Power Off
- Without Blink, Red LED On immediately
But, If the mode of Power Indicator UI is Stand-By, keep staying Red LED Off status
-
Remote Key
input
- When you put the remote Control button, Red LED Blinks once
-
Warm
Stand-by
- Red LED On stays and In the case of Set On, Red LED turns Off
Æ Including DVR Ready model, Japanese model
Same
as the
11Y
3D mode
- Red LED Off (Power On condition is identical)
Same
as the
11Y
Factory
Condition
Factory
Default
Mode
(In-Stop)
- 12Y LED Model : Stand-By On (Red LED On)
- 12Y CCFL Model : Stand-By On (Red LED On)
- 11Y Carry Over Model (CS5XX/CM5XX) : Stand-By On (Red LED On)
- After In-Stop, Red LED On is processed and after In-Stop, Red LED turns on within 3 sec
-
Power Only
Mode
- In the case of Power Only On, Red LED turns Off
- In the case of DC Off, Red LED turns On
-
Power LED Scenario
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