DOWNLOAD LG 55LM4600 (CHASSIS:LJ21C) Service Manual ↓ Size: 9.55 MB | Pages: 86 in PDF or view online for FREE

Model
55LM4600 (CHASSIS:LJ21C)
Pages
86
Size
9.55 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lm4600-chassis-lj21c.pdf
Date
PREV: LG 55LM4600 (CHASSIS:LC21C) Service Manual

LG 55LM4600 (CHASSIS:LJ21C) Service Manual ▷ View online

- 6 -
5. External Input Support Format
5.1. Component input(Y, CB/PB, CR/PR)
No
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock
Proposed
1.
720*576
15.625
50.000
13.5
SDTV 576I
2.
720*480
15.73
60
13.5135
SDTV ,DVD 480I
3.
720*480
15.73
59.94
13.5
SDTV ,DVD 480I
4.
720*480
31.50
60
27.027
SDTV 480P
5.
720*480
31.47
59.94
27.0
SDTV 480P
6.
720*576
31.250
50.000
27.000
SDTV 576P
7.
1280*720
37.500
50.000
74.25
HDTV 720P
8.
1280*720
45.00
60.00
74.25
HDTV 720P
9.
1280*720
44.96
59.94
74.176
HDTV 720P
10.
1920*1080
28.125
50.00
74.250
HDTV 1080I
11.
1920*1080
33.75
60.00
74.25
HDTV 1080I
12.
1920*1080
33.72
59.94
74.176
HDTV 1080I
13.
1920*1080
56.250
50.00
148.50
HDTV 1080P
14.
1920*1080
67.500
60.00
148.50
HDTV 1080P
15.
1920*1080
67.432
59.939
148.352
HDTV 1080P
16.
1920*1080
27.000
24.000
74.25
HDTV 1080P
17.
1920*1080
26.97
23.976
74.176
HDTV 1080P
18.
1920*1080
33.75
30.000
74.25
HDTV 1080P
19.
1920*1080
33.71
29.97
74.176
HDTV 1080P
5.2. RGB input(PC)
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.
1920*1080
67.5
60
148.5
HDTV 1080P
O
※ 
RGB PC 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 -
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
- 8 -
ADJUSTMENT INSTRUCTION
1. Application
This spec sheet is applied all of the LCD TV with LJ21A/B/C 
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.
- 9 -
* 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
Module
Tool 
option1
Tool 
option2
Tool 
option3
Tool 
option4
Tool 
option5
32CS460-SA
LGD
32788
358
9243
13200
2592
32CS460-SZ
LGD
32788
870
9243
13200
2560
42CS460-SA
LGD
32790
870
9243
13200
2561
42CS460-SA
AUO
32CS560-SA
LGD
32CS560-SA
AUO
36900
358
9243
13200
2592
42CS560-SA
LGD
32806
870
9243
13200
2561
42CS560-SA
AUO
32LS3400-SA
LGD
37LS3400-SA
LGD
42LS3400-SA
LGD
33190
358
9371
13200
2080
32LM3400-SB
LGD
37LM3400-SB
LGD
42LM3400-SB
LGD
22LS3500-SA
CMI
35105
358
9499
13200
2080
32LS3500-SA
LGD
32LS3500-SA
AUO
37156
358
9499
13200
2096
32LS4600-SA
LGD
33092
35191
9499
13200
7202
42LS4600-SA
LGD
33094
2423
9499
13200
7170
47LS4600-SA
LGD
33095
2423
9499
13200
7170
50LS4000-SA
AUO
47LM4600-SB
LGD
55LM4600-SB
LGD
42LM5800-SB
LGD
32870
2423
9499
13200
7170
47LM5800-SB
LGD
* 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. ) 
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