DOWNLOAD LG 26LC2R (CHASSIS:LN61A) Service Manual ↓ Size: 7.7 MB | Pages: 28 in PDF or view online for FREE

Model
26LC2R (CHASSIS:LN61A)
Pages
28
Size
7.7 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
26lc2r-chassis-ln61a.pdf
Date

LG 26LC2R (CHASSIS:LN61A) Service Manual ▷ View online

- 13 -
3) Execute ‘Download_CS.vi2c’ program in PC, then a
main widow will be opened.
4) Click "GO" button
If you don’t push the "go", the Hex file would not be
downloaded although the download proceeds
normally at first glance
5) Double click the blue box and confirm "Boot loader
Version" as 40.
6) Click the "Erase Flash" button
7) Double click the download file low then, "edit" window
will be opened
8) Chick the choice button I n the "edit window", then
"file choice window’ will be opened
9) Choose the Hex file in folder and execute
downloading with click "open button"
10) Click OK button at the "edit window"
11) Under Downloading progress
12) If download is failed, for example "No acknowledge
from slave", execute download again from (1)
Double click
- 14 -
4.1.3. Channel memory download
(1) Connect the download jig to D-sub jack
(2) Execute ‘Channel.vi2c’ program in PC, then a main
window will be opened.
(3) Push the button change and select the Channel
memory data
(4) Check the communication is OK or not.
=> Push the Read area (Ackn. Check) and check Cyan
area is OK message.
(5) Push the Update NVM from File
4.1.4. Tool Option Area Option Change
Before PCBA check, have to change the Tool option and
Area option.
Option values are in BOM. (If on changed the option, the
input menu can differ the model spec.)
The input methods are same as other chassises(Use adj
Key on the Adjust Remote control)
4.1.5. Color carrier Adjustment(Inspection process)
(1) Tuning the RF signal
NTSC Digital Pattern(with color Bar)
(2). push the "adj" key in the adjustment remote control.
4.2. SET assembly adjustment method 
* Caution : Each PCB assembly must be checked by check
JIG set.(Because power PCB Assembly damages
to LCD Module, especially be careful)
4.2.1 EDID(The Extended Display Identification Data)/ DDC
(Display Data Channel) download
* Caution
- Use the proper signal cable for EDID Download
- Never connect HDMI & D-SUB Cable at the same time.
- Use the proper cables below for EDID Writing
* EDID Data
<EDID DATA Analog Set : 128bytes>
[LC2R SERIES & LC2RA/LC2RB SERIES ONLY different 70
Line because of Model name]
For HDMI EDID
For RGB EDID
Item
Manufacturer ID
Version
Revision
Condition
GSM
Digital : 1
Digital :3
Data
1E6D
01
03
- 15 -
< EDID DATA HDMI Set : 256bytes>
[LC2R SERIES & LC2RA/LC2RB SERIES ONLY different 70
Line because of Model name]
=> Detail EDID Options are below(a, b, c, d, e)
a. Product ID
b. Serial No :  Controlled on production line
c. Month, Year : Controlled on production line
ex) Monthly: '03'  =>  '03' 
Year:  '2005' =>  '0F'
d. Model Name(Hex): 
e. Checksum: Changeable by total EDID data
4.3. Adjustment of White Balance
* In case of White Balance rework, you have to RESET the
previous White Balance data.
(You can do that by pushing the "IN-START" key in adjust
remote control and reset)
4.3.1. Required Equipment
- Remote controller for adjustment 
- Color Analyzer (CA-110 or CA-210 or same product; ch : 9)
- Auto W/B adjustment instrument(only for Auto adjustment)
- AV Pattern Generator 
Model : 207(NTSC-J), pattern:78(216 Gray)
4.3.2. Connecting diagram of equipment for measuring (For
Automatic Adjustment) 
[Push the "POWER ON" key at the Adjust Remote control
before Adjustment of W/B, the Baud rate & PSM, CSM will
change 115200bps, Standard (MJ: Optimum), Normal]
# Auto adjustment Map(RS-232C)
4.3.3. Adjustment of white balance (for manual adjustment)
- Operate the zero-calibration of the CA-110, then stick
sensor to LCD module when you adjust. 
- For manual adjustment, it is also possible by the following
sequence
1) Select RF no signal by pressing 
POWER ON key on
remote control for adjustment then operate heat run
more than 15 minutes. 
(If not executed this step, the condition for W/B will be
differ. The W/B condition is PSM : Optimum, CSM :
Normal.)
2) As below picture, Supply 216Level (85 IRE) full screen
pattern to Video input.
26,32LC2R-UJ : VIDEO1 or VIDEO2 (Input 60Hz)
3) Press the POWER ON KEY on R/C for converting input
mode.
4) Enter the White Balance adjustment mode by pressing
the IN-START key (White Balance) on R/C.
5) Stick sensor to center of the screen and select each
items(Red/ Green/ Blue Gain and Offset) using 
D
/
E
(CH+/-) key on R/C.
6) Adjust Only High Light with R Gain / B Gain using 
F
/
G
(VOL +/-) key on R/C.
7) Adjust it until color coordination becomes as below.
(Initially, R/G/B gain and R/G/B offset values are fixed
as below)
Red Gain : 80 ,    Green Gain : 80 ,   Blue Gain : 80
Red Offset : 80,   Green Offset : 80,  Blue Offset : 80
Model Name
Model Name(HEX)
26LC2R-UJ
32
36
4C
43
32
52
2D
55
4A
Model Name
Product ID
Analog or
DEC
HEX
EDID table
Digital
26LC2R
A
22045
561D
1D56
D
22046
561E
1E56
Communication
Type
LP61A/C, LN61A
Protocol
Baud Rate
Data bit
Stop bit
Parity
115200
8
1
None
Protocol
Index
Cmd1 Cmd2
Data
Def. Value
Setting
Min Value Max Value
R Gain
j
a
00(00)
202(CA)
128(80)
G Gain
j
b
00(00)
202(CA)
128(80)
B Gain
j
c
00(00)
202(CA)
128(80)
R Offset
j
d
00(00)
255(FF)
128(80)
G Offset
j
e
00(00)
255(FF)
128(80)
B Offset
j
f
00(00)
255(FF)
128(80)
- 16 -
* Target Value [PSM: Optimum, CSM: Normal]
- Normal (9300K)    x ; 0.283±0.003  y ; 0.298±0.003
- Luminance(Y)    AV : upper 150 cd/m
2
(Typ. : 350 cd/m
2
)
[AT W/B condition - PSM:Optimum, CSM:Normal, Pattern:
78 (216Gray)]
=> Reference Value(Automatically fixed)
- Cool(11000K): x:0.274±0.003, y: 0.286±0.003
- Warm(7200K) : x:0.303±0.003, y: 0.319±0.003
<Pattern for Adjustment of White Balance>
8) When adjustment is completed, Exit adjustment mode
using EXIT key on R/C
4.4.4. Input the Shipping Option Data 
1) Push the ADJ key in a Adjust Remote control.
2) Input the Option Number that was specified in the BOM,
into the Shipping area.
3) The work is finished, Push 
A
Key.
5. Default Value in Adjustment mode
(Default values maybe modified the module condition)
- White Balance
216 Level(85 IRE)
Pattern No ; 78(216Gray)
W h i t e
a l a n c e
B
<Default Value on OSD>
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