LG 42LM640S / 42LM640T / 42LM649S / 42LM649T (CHASSIS:LD22E) Service Manual ▷ View online
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
Introductions of GP4 Sensor (Touch IC)
Touch Key Threshold Level (Ta = 25ºC )
1. Verify the number of THR at first.
2. Once you correctly touch Touch button for more than 1 sec, you
can see a Touch data while you keep touching the button.
can see a Touch data while you keep touching the button.
3. Keep in mind that you can only read the Touch data during touch
status.
status.
4. It doesn’t matter that Touch data gets low value after taking off
your finger.
your finger.
Manual of Touch Sensitivity
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