DOWNLOAD LG 37LT560H-CA (CHASSIS:LJ2AC) Service Manual ↓ Size: 3.78 MB | Pages: 40 in PDF or view online for FREE

Model
37LT560H-CA (CHASSIS:LJ2AC)
Pages
40
Size
3.78 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lt560h-ca-chassis-lj2ac.pdf
Date

LG 37LT560H-CA (CHASSIS:LJ2AC) Service Manual ▷ View online

- 6 -
5.3. HDMI Input (PC/DTV)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
 
PC
DDC
1.
640*350
31.468
70.09
25.17
EGA
X
2.
720*400
31.469
70.08
28.32
DOS
O
3.
640*480
31.469
59.94
25.17
VESA(VGA)
O
4.
800*600
37.879
60.31
40.00
VESA(SVGA)
O
5.
1024*768
48.363
60.00
65.00
VESA(XGA)
O
6.
1152*864
54.348
60.053
80.00
VESA
O
7.
1360*768
47.712
60.015
85.50
VESA (WXGA)       
O
8.
1280*1024(FHD Only)
63.981
60.02
108.00
VESA (SXGA)
O
9.
1920*1080(FHD Only)
67.5
60
148.5
HDTV 1080P
O
DTV
1.
720*480
31.469
59.940
27.000
SDTV 480P
2.
720*480
31.500
60.000
27.027
SDTV 480P
3.
720*576
31.250
50.000
27.000
SDTV 576P
4.
1280*720
37.500
50.000
74.25
HDTV 720P
5.
1280*720
45.00
60.00
74.25
HDTV 720P
6.
1280*720
44.96
59.94
74.176
HDTV 720P
7.
1920*1080
28.125
50.000
74.25
HDTV 1080I
8.
1920*1080
33.75
60.00
74.25
HDTV 1080I
9.
1920*1080
33.72
59.94
74.176
HDTV 1080I
10.
1920*1080
56.250
50.000
148.50
HDTV 1080P
11.
1920*1080
67.500
60.00
148.50
HDTV 1080P
12.
1920*1080
67.432
59.94
148.352
HDTV 1080P
13.
1920*1080
27.000
24.000
74.25
HDTV 1080P
14.
1920*1080
26.97
23.976
74.176
HDTV 1080P
15.
1920*1080
33.75
30.00
74.25
HDTV 1080P
16.
1920*1080
33.71
29.97
74.176
HDTV 1080P
※ 
HDMI  Monitor Range Limits
     Min Vertical Freq - 58 Hz
     Max Vertical Freq - 62 Hz
     Min Horiz. Freq - 30 kHz
     Max Horiz. Freq - 83 kHz
     Pixel Clock  - 160 MHz
- 7 -
ADJUSTMENT INSTRUCTION
1. Application
This spec sheet is applied all of the 26”, 32”, 37”, 42” LCD TV 
with LJ2AB/C/W chassis.
2. Designation
(1)  The  adjustment  is  according  to  the  order  which  is 
designated  and  which  must  be  followed,  according  to  the 
plan whic al Unit: Product Specification Standard.
(2) Power adjustment : Free Voltage.
(3) Magnetic Field Condition: Nil.
(4) Input signal Unit: Product Specification Standard.
(5)  Reserve after operation: Above 5 Minutes (Heat Run).
     Temperature : at 25 ºC±5 ºC
     Relative humidity : 65 ± 10%
     Input voltage : 100~220V, 50/60Hz
(6)  Adjustment  equipments  :  Color  Analyzer  (CA-210  or 
CA-110), SVC remote controller
(7) Push The “IN STOP KEY” – For memory initialization.
 
3. Main PCB check process
* APC – After Manual-Insert, executing APC
* Boot file Download 
(1)  Execute  ISP  program  “Mstar  ISP  Utility”  and  then  click 
“Config” tab.
(2)   Set as below, and then click “Auto Detect” and check “OK” 
message. 
      If  “Error”  is  displayed,  Check  connection  between 
computer, jig, and set.
(3)  Click  “Read”  tab,  and  then  load  download  file  (XXXX.bin) 
by clicking “Read”
(4)  Click  “Connect”  tab.    If  “Can’t  ”  is  displayed,  Check 
connection between computer, jig, and set.
(5) Click “Auto” tab and set as below.
(6) Click “Run”.
(7) After downloading, check “OK” message. 
 
(1) 
 
filexxx.bin
 
(2) 
(3) 
Please Check the Speed  
To use speed between 
from 200KHz to 400KHz 
 
(4) 
(5)
(6)
(7)...........OK
filexxx.bin
Case1 : Software version up
1)  After  downloading  S/W  by  USB  ,  TV  set  will  reboot 
automatically
2) Push “In-stop” key
3) Push “Power on” key
4) Function inspection
5) After function inspection, Push “In-stop” key.
Case2 : Function check at the assembly line
1)  When  TV  set  is  entering  on  the  assembly  line,  Push 
“In-stop” key at first.
2) Push “Power on” key for turning it on.
 =>  If you push “Power on” key, TV set will recover channel 
information by itself.
3).After function inspection, Push “In-stop” key.
- 8 -
* USB DOWNLOAD(*.epk file download)
(1) Put the USB Stick to the USB socket.
(2) Automatically detecting update file in USB Stick.
-  If your downloaded program version in USB Stick is Low, 
it didn't work. But your downloaded version is High, USB 
data is automatically detecting
(3) Show the message "Copying files from memory"
(4) Updating is staring.
(5)  After updating is complete, The TV will restart automatically.
(6)  If TV turns on, check your updated version and Tool option. 
(refer to the next page about tool option)
*  If  downloading  version  is  higher  than  your TV  have, TV 
can  lost  all  channel  data.  In  this  case,  you  have  to 
channel recover. If all channel data is cleared, you didn't 
have a DTV/ATV test on production line.
*  After  downloading,  have  to  adjust  Tool 
Option again.
(1) Push "IN-START" key in service remote controller.
(2) Select "Tool Option 1" and Push "OK" button.
(3) Punch in the number. (Each model has their number.)
(4) Completed selecting Tool option.
Model
Tool op-
tion1
Tool op-
tion2
Tool op-
tion3
Tool op-
tion4
Tool op-
tion5
26LT360C-SA 
16387
273
11513
13200
2084
32LT360C-SA 
16388
2321
11537
13200
2084
42LT360C-SA 
16390
2321
11537
13200
2052
32LT560H-SA 
16388
2321
11537
13200
2084
37LT560H-SA 
16389
2321
9489
13200
2084
42LT560H-SA 
36900
2321
11537
13200
2052
* RS-232C Connection Method
Connection :  PCBA  (USB  Port)  ->  USB  to  Serial  Adapter 
(UC-232A) -> RS-232C cable -> PC(RS-232C port) 
▪ Product name of USB to Serial Adapter is UC-232A.
 Caution:  LJ21*  chassis  support  only  UC-232A  driver.  (  only 
use this one. ) 
- 9 -
3.1. ADC Process(TBD)
3.1.1. ADC
■ Enter Service Mode by pushing “ADJ” key,
Calibration”
=> Caution :  Using  ‘power  on’  button  of  the Adjustment  R/C, 
power on TV.
 ADC Calibration Protocol (RS232C/USB)
NO
Item
CMD 1 CMD 2 Data 0
Enter
Adjust MODE
Adjust 
‘Mode In’
A
A
0
0 When transfer the  
‘Mode In’,
Carry the command.
ADC adjust
ADC 
Adjust
A
D
1
0 Automatically adjust-
ment
(The use of a inter-
nal pattern)
 Adjust Sequence
▪ aa 00 00  [Enter Adjust Mode]
▪ xb 00 40  [Component1 Input (480i)]
▪ ad 00 10  [Adjust 480i Comp1]
▪ xb 00 60  [RGB Input (1024*768)]
▪ ad 00 10  [Adjust 1024*768 RGB]
▪ aa 00 90  End Adjust mode
* Required equipment : Adjustment R/C. 
3.2. Function Check
3.2.1. Check display and sound 
■ Check Input and Signal items. (cf. work instructions)
(1) TV
(2) AV (CVBS)
(3) COMPONENT (480i)
(4) RGB (PC : 1024 x 768 @ 60hz)
(5) HDMI
(6) PC Audio In 
* Display and Sound check is executed by Remote controller.
 Caution :  Not to push the INSTOP KEY after completion if 
the function inspection
4. Total Assembly line process
4.1. Adjustment Preparation
■ W/B Equipment condition
    CA210 :  CH 9, Test signal : Inner pattern (80IRE) – in case of 
CCFL back light
    CA210 :  CH14, Test signal : Inner pattern (80IRE) – in case of 
LED back light
■  Above 5 minutes H/run in the inner pattern. (“power on” key of 
adjust remote control)
 LCD LAMP MODEL :  The  spec  of  color  temperature  and 
coordinate
19” and 22”
Cool (C50)
9,300K
x = 0.285 (±0.002)
y = 0.293 (±0.002)
<Test signal>
 - Inner pattern for W/B 
adjust
 - External white 
pattern
(80IRE, 204gray)
Medium (0)
8,000K
x = 0.295 (±0.002)
y = 0.305 (±0.002)
Warm (W50)
6,500K
x = 0.313 (±0.002)
y = 0.329 (±0.002)
Over 26”
Cool (C50)
13,000K x = 0.269 (±0.002)
y = 0.273 (±0.002)
<Test signal>
 - Inner pattern for W/B 
adjust
 - External white 
pattern
(80IRE, 204gray)
Medium (0)
9,300K
x = 0.285 (±0.002)
y = 0.293 (±0.002)
Warm (W50)
6,500K
x = 0.313 (±0.002)
y = 0.329 (±0.002)
 LED Model : W/B adjust target value
Cool
Medium
Warm
Remark
X
y
x
y
x
y
SPEC
269 273 285 293 313 329 ALL LED Model 
26/32/42LT360C
32/37/42LT560H
TARGET 271 276 287 296 315 332
    
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