LG 60PT200C-WA / 60PT200N (CHASSIS:PC11A) Service Manual ▷ View online
8-2. Improve contrast variation
- Purpose : This is to minimize the contrast variation among multivision sets.
- Application
Î We control Power save mode throuhg the I2C communication written CAS
Î Power save mode reduces step by step until entry into the target range
Î Set the target range (Module Min spec ±3).
¾ Power Save Mode Registers
• Power Save Mode : The power consumption is controlled by varying the number of sustain.
• ps_mode_50av(2:0) : Power save mode for 50Hz and AV mode
• ps_mode_60av(2:0) : Power save mode for 60Hz and AV mode
• ps_mode_50av(2:0) : Power save mode for 50Hz and AV mode
• ps_mode_60av(2:0) : Power save mode for 60Hz and AV mode
ps_mode_60PC(2:0)
ps_mode_50PC(2:0)
R
R
0x0A
0
0
0
0
0
0
R
R
Default
R
ps_mode_60av(2:0)
ps_mode_50av(2:0)
R
Power Save Mode Registers
0x09
0
1
2
3
4
5
6
7
I
2
C Data
I
2
C Addr.
• ps_mode_50PC(2:0) : Power save mode for 50Hz and PC mode
• ps_mode_60PC(2:0) : Power save mode for 60Hz and PC mode
• ps_mode_60PC(2:0) : Power save mode for 60Hz and PC mode
8-2. Improve contrast variation
1.
Power-Up Boot Fail Trouble Shooting
2.
No OSD Trouble Shooting
3.
Component Video Trouble Shooting
4.
RGB Video_Input Trouble Shooting
5.
RGB Video_Output Trouble Shooting
6.
DVI Video_Input Trouble Shooting
7.
DVI Video_Output Trouble Shooting
8.
HDMI Video Trouble Shooting
9.
All Source Audio Trouble Shooting
10.
Component / RGB / DVI Audio Trouble Shooting
11.
HDMI Audio Trouble Shooting
12.
USB Trouble Shooting
Please check system, after power Off/On one time
9. Trouble Shooting Guide
I2S_BCM
TAS9709
TAS9709
(Audio Out)
(USB)
Rear USB( SVC only)
DDR3
256MB(128*2)
DDR3
256MB(128*2)
S7
S7
WXGA/XGA
LVDS
EXT_IN
HDMI
CVBS_LIVE
TP1
(System + Scalar)
NANDFlash
256MB
NANDFlash
256MB
USB2.0
SPDIF
SIF_LIVE
I2S_BCM
DVI
Serial_Flash
1MB
Serial_Flash
1MB
Rear(0)
Reset
HDMI CEC (Stand-by)
IR
I2C
KIA7427AF
KIA7427AF
24C16
24C16
Local
Local
KEY
KEY
NEC
NEC
Micom
Micom
(Micom)
(External Input)
COMP_LR
PC_Audio
EXT_IN
(Comp, RGB)
DVI_IN
DVI_Rear
DVI_OUT
HDMI_Rear
HDMI_PORT1
HDMI_Rear
HDMI_PORT2
9-1. Power-Up Boot Fail Trouble Shooting
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