LG 32LN5650 (CHASSIS:LB31J) Service Manual ▷ View online
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SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
1. Application range
This specification is applied to the LED TV used LB31J
chassis.
2. Requirement for Test
Each part is tested as below without special appointment.
1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F), CST: 40 °C ± 5 °C
2) Relative Humidity: 65 % ± 10 %
3) Power Voltage
: Standard input voltage (AC 100-240 V~, 50/60 Hz)
* Standard Voltage of each products is marked by models.
4) Specification and performance of each parts are followed
each drawing and specification by part number in
accordance with BOM.
5) The receiver must be operated for about5 minutes prior to
the adjustment.
3. Test method
1) Performance: LGE TV test method followed
2) Demanded other specification
- Safety : CE, IEC specification
- EMC : CE, IEC
4. Model General Specification
No.
Item
Specification
Remarks
1.
Market
(PAL/DVB Market)
2.
Broadcasting system
1) PAL/SECAM-B/G/D/K
2) PAL-I
3) NTSC-M
4) DVB-T
3.
Channel Storage
ATV - 135EA, DTV - 1000EA
4.
Receiving system
Analog : Upper Heterodyne
Digital : COFDM(DVB-T)
► DVB-T
- Guard Interval(Bitrate_Mbit/s)
1/4, 1/8, 1/16, 1/32
- Modulation : Code Rate
QPSK : 1/2, 2/3, 3/4, 5/6, 7/8
16-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
64-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
5.
Video(Composite Input) PAL, SECAM, NTSC
4 System : PAL, SECAM, NTSC, PAL60
6.
Component Input
Y/Cb/Cr, Y/Pb/Pr
7.
HDMI Input
HDMI1-DTV/DVI
HDMI2-DTV/DVI
8.
SPDIF out
SPDIF out
Only LB31B, LB31F chassis
9
USB Input
For My Media(Movie/Photo/Music List) and SVC
10
Headphone
- 7 -
5. Component Video Input (Y, C
b
/P
b
, C
r
/P
r
)
No.
Resolution
H-freq(kHz)
V-freq(Hz)
Porposed
1
720×480
15.73
60.00
SDTV, DVD 480i
2
720×480
15.63
59.94
SDTV, DVD 480i
3
720×480
31.47
59.94
480p
4
720×480
31.50
60.00
480p
5
720×576
15.625
50.00
SDTV, DVD 625 Line
6
720×576
31.25
50.00
HDTV 576p
7
1280×720
45.00
50.00
HDTV 720p
8
1280×720
44.96
59.94
HDTV 720p
9
1280×720
45.00
60.00
HDTV 720p
10
1920×1080
31.25
50.00
HDTV 1080i
11
1920×1080
33.75
60.00
HDTV 1080i
12
1920×1080
33.72
59.94
HDTV 1080i
13
1920×1080
56.250
50
HDTV 1080p
14
1920×1080
67.5
60
HDTV 1080p
6. HDMI Input : Refer to adjust specification about EDID data.
6.1. DTV mode
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock(MHz)
Proposed
1.
720*480
31.469 / 31.5
59.94 / 60
27.00/27.03
SDTV 480P
2.
720*576
31.25
50
54
SDTV 576P
3.
1280*720
37.500
50
74.25
HDTV 720P
4.
1280*720
44.96 / 45
59.94 / 60
74.17/74.25
HDTV 720P
5.
1920*1080
33.72 / 33.75
59.94 / 60
74.17/74.25
HDTV 1080I
6.
1920*1080
28.125
50.00
74.25
HDTV 1080I
7.
1920*1080
26.97 / 27
23.97 / 24
74.17/74.25
HDTV 1080P
8.
1920*1080
33.716/33.75
29.976/30.00
74.25
HDTV 1080P
9.
1920*1080
56.250
50
148.5
HDTV 1080P
10.
1920*1080
67.43 / 67.5
59.94 / 60
148.35/148.50
HDTV 1080P
6.2. PC mode
No.
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1.
640*350 @70Hz
31.468
70.09
25.17
EGA
2.
720*400 @70Hz
31.469
70.08
28.321
DOS
3.
640*480 @60Hz
31.469
59.940
25.175
VESA(VGA)
4.
800*600 @60Hz
37.879
60.31
40.000
VESA(SVGA)
5.
1024*768 @60Hz
48.363
60.00
65.000
VESA(XGA)
6
1152*864 @60Hz
54.348
60.053
80.002
VESA
7.
1280*1024 @60Hz 63.981
60.020
108
VESA(SXGA)
FHD only(Support to HDMI-PC)
8.
1360*768 @60Hz
47.712
60.015
85.5
VESA(WXGA)
9.
1920*1080 @60Hz 67.5
60.0
148.5
WUXGA
(Reduced blanking)
FHD only(Support to HDMI-PC)
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ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LED TV with
LB31J chassis.
2. Designation
(1) The adjustment is according to the order which is
designated and which must be followed, according to the
plan which can be changed only on agreeing.
(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 °C ± 5 °C
Relative humidity : 65 ± 10 %
Input voltage : 100-220 V~, 60 Hz
(6) Adjustment equipments
: Color Analyzer(CA-210 or CA-110), Service remote control.
(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.
* USB DOWNLOAD(*.epk file download)
(1) Put the USB Stick to the USB socket.
(2) Automatically detecting update file in USB Stick.
- If version of update file in USB Stick is lower, it will not
work. But version of update file is higher, USB data will be
detected automatically.
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.
(1)
filexxx.bin
(4)
(5)
(6)
(7)...........OK
filexxx.bin
(2)
(3)
Please Check the Speed :
To use speed between
from 200KHz to 400KHz
- 9 -
(3) Show the message "Copying files from memory".
(4) Updating is starting.
(5) Updating Completed, The TV will restart automatically.
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If updated version is higher than what TV has, the 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 control.
(2) Select "Tool Option 1" and push "OK" key.
(3) Punch in the number. (Each model has their number)
(4) Completed selecting Tool option.
*
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.
4. ADC Process
4.1. ADC
- Enter Service Mode by pushing "ADJ" key,
Calibration".
<Caution> Using "P-ONLY" key of the Adjustment remote
control, power on TV.
* ADC Calibration Protocol (RS232)
Adjust Sequence
▪ aa 00 00 [Enter Adjust Mode]
▪ xb 00 40 [Component1 Input (480i)]
▪ ad 00 10 [Adjust 480i Comp1]
▪ aa 00 90 End Adjust mode
* Required equipment : Adjustment remote control.
4.2. Function Check
4.2.1. Check display and sound
■ Check Input and Signal items.
(1) TV
(2) AV (CVBS)
(3) COMPONENT (480i)
(4) HDMI
* Display and Sound check is executed by Remote control.
<Caution> Not to push the "INSTOP" key after completion if
the function inspection.
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 adjustment
(The use of a internal pattern)
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option Commercial
6. Country Group
7. Area Option
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option Commercial
6. Country Group
7. Area Option
8. ADC Calibration
►
9. White Balance
10. 10 Point WB
11. Test Pattern
12. EDID D/L
13. Sub B/C
14. Ext. Input Adjust
10. 10 Point WB
11. Test Pattern
12. EDID D/L
13. Sub B/C
14. Ext. Input Adjust
ADC Calibration
ADC Comp 480i
ADC Comp 1080p
ADC Type
ADC Comp 1080p
ADC Type
Start
NG
NG
NG
OPT
Reset
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