LG 22LS2100 (CHASSIS:LD93Q / LP93Q) Service Manual ▷ View online
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4.2. S/W program download
(1) Profile : This is for downloading the s/w to the flash
memory of IC603.
(2) Equipment
1) PC
2) MTK_tool program
3) Download jig
4) USB
(3) Connection structure
(4) Connection condition
1) IC name and circuit number : Flash Memory and IC603
2) Tact time : about 2min
4.3. Download method 1
4.3.1. Preliminary steps
(1) Connect the download jig to 4pin jack (P303)
(2) Connect the PC to USB jack
4.3.2. Download steps
(1) Execute ‘ISP Tool’ program in PC, then a main window will
be opened
(2) Click the Config and Change speed
(MT8223, Using Port, 115200, 4ms)
(3) Click the connect button and confirm
(4) Read and write bin file
Click “(1) Browse” tab, and then load download file (XXXX.
bin) by clicking and open.
PC
Main
B/D
B/D
Download jig
4pin harness
kG
HKNGZZZDKP
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(5).Click “Upgrade” tab and set as below
(6) After downloading, AC Power OFF and ON.
4.4. Download method 2
1) Connection USB memory for upgrade.( File name :
Mx42A_PMN_xxxx.bin or Mx42A_PTN_xxxx.bin)
2) Press the IN START button.
3) Select the ‘Upg Fw’ menu
4) Press the ►button and wait
5) If the progressive bar 100% will be completed
- Notice: Do not plug out USB during upgrading.
5. Check EDID and Write HDCP key
- This model is no need to write. EDID data is in Program source
5.1. EDID data
(1) RGB EDID Data
(2) HDMI EDID Data
1) All data are HEXA
2) Adjustable Data :
**: week
***: year ex) when year 2008: input “12”
****: CHECK SUM (deferent along week, year)
5.2. Write HDCP key
(1) Connect D-sub Signal Cable to D-Sub Jack
(2) Input HDCP key with HDCP-key- in-program
(3) HDCP Key value is stored on Main MTK IC (MTK8223)
which is 0x80~0xA0 Addresses of 0x00~0x01 page
(EEPROM MAP PAGE0~PAGE1 / START Addr: A0 80)
(4) AC off/on and on HDCP button of MSPG925 and confirm
whether picture is displayed or not of using MSPG925
(5) HDCP Key value is different among the sets
OG<6T# # # OJG# # # P5575D#
Pdlq# # # 僚Y4133# # # XWW# # # # 7#
DGF0RN# # # HGLG0RN/# # RN# # # #
Pdlq# # # 僚Y4133# # # XWW# # # # 7#
DGF0RN# # # HGLG0RN/# # RN# # # #
Wrro#Rswlrq# # # # # # # # # # # # # # # # # 54;7#
Duhd#Rswlrq# # # # # # # # # # # # # # # # # # # # 4#
V|vwhp#frqwuro4#
V|vwhp#frqwuro5#
Srzhu#Rii#Klvwru|#
Duhd#Rswlrq# # # # # # # # # # # # # # # # # # # # 4#
V|vwhp#frqwuro4#
V|vwhp#frqwuro5#
Srzhu#Rii#Klvwru|#
Xsj#Iz#
No.
Item
content
16bit Data
1
Manufacturer ID
GSM
1E6D
2
Product ID
Analog : 22860
HDMI : 22861
594C
594D
3
Year
2012
16
4
Version
Analog : 1
1
Digital : 1
5
Revision
Analog : 3
3
Digital : 3
6
Model Name
22LS2100
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6. Check of White Balance
RGB_Gains are fixed data for each model.
Insert D-sub jack (I2C) which is connected with PC
for White Balance or equivalent device.
→ Total Assembly line should be check whether the
color coordinate(x, y) data Refer to below table
were meet or not.
6.1. Required Equipment
■ Remote controller for checking W/B
■ Color Analyzer : CA-210
■ CH: 14 (LCD MNT, Normal) → 22LS2100
■ PC (for communication through RGB)
■ Pattern Generator (MSPG-925FS series)
6.2. Connecting diagram of equipment for
measuring (For Automatic Adjustment)
(Method 1, using IIC, You connect RGB Cable)
(Standard color coordinate and temperature when using the
CA210 equipment)
RGB_Gains are fixed data for each model
* When doing Adjustment, Please make circumstance as below.
* W/B condition
- Ambient Humidity : 20 % ~ 80 %
- Ambient Temperature : 25 ± 5 °C
7. Function Check
7.1. Check display and sound
■ Check input and Signal items. (cf. work instructions)
1. TV
2. AV (CVBS)
3. RGB (PC : 1920 x 1080 @ 60hz)(Display only)
4. HDMI
Color
Temperature
Cool
9,300k
°K X=0.283 (±0.03)
Y=0.298 (±0.03)
<Test Signal>
PC Mode only
Full White
(100IRE)
Warm
6,500k
X=0.313 (±0.03)
Y=0.329 (±0.03)
Color
Temperature
Cool
9,300k
°K X=0.283 (±0.03)
Y=0.298 (±0.03)
<Test Signal>
RF/AV/HDMI
Inner pattern
(216gray,
85IRE)
Medium 8,000k
°K X=0.295 (±0.03)
Y=0.305 (±0.03)
Warm
6,500k
°K X=0.313 (±0.03)
Y=0.329 (±0.03)
Luminance
(cd/m2)
Cool
Min: 170
Typ : 200
<Test Signal>
(Full white,
100IRE)
Medium Min: 170
Typ : 200
Warm
Min: 170
Typ : 200
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TROUBLE SHOOTING
1. NO POWER-Main PCBA
Is Adapter
Output VOLTAGE 19.4V
through of JK700?
NO POWER
Is 3.3V at C771?
Check waveform of X600
YES
NO
YES
NO
YES
check open or short at Line.
or change Adapter.
check the Lines of IC701,
If there is any problem at Line,
Change IC701
NO
Check Line short or open between
IC600 and X600,
Change IC600 or change X600
1
2
4
Is 5V at C716?
is 1.1V at C737?
3
YES
check the Lines of IC704,IC706
If there is any problem at Line,
Change IC704,IC706.
NO
Insert F/W
is 3.3V at 1pin of P200?
when push power key,
Is 0v at 4pin of P200?
Change control
Or check Line short or open of P200
5
is there any waver at 3pin of P200,
when use remote controller?
6
NO
YES
change IR board
Or check Line short or open of P200
NO
4
X600
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