LG 47LH7000 / 47LH7020 / 47LH7030 (CHASSIS:LD91D) Service Manual ▷ View online
- 9 -
8. HDMI Input (PC/DTV)
(1) DTV Mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1
720x480
15.734 /15.6
59.94 /60
27.00
SDTV 480I
2
720x480
31.469 /31.5
59.94 /60
27.00/27.03
SDTV 480P
3 720x576
15.625
50
27(54)
SDTV
576
4 720x576
31.25
50
54
SDTV
576P
5 1280x720
37.500
50
74.25
HDTV
720P
6
1280x720
44.96 /45
59.94 /60
74.17/74.25
HDTV 720P
7
1920x1080
33.72 /33.75
59.94 /60
74.17/74.25
HDTV 1080I
8 1920x1080
28.125
50.00
74.25
HDTV
1080I
9
1920x1080
26.97 /27
23.97 /24
74.17/74.25
HDTV 1080P
10
1920x1080
33.716 /33.75
29.976 /30.00
74.25
HDTV 1080P
11
1920x1080 56.250 50
148.5
HDTV
1080P
12
1920x1080
67.43 /67.5
59.94 /60
148.35/148.50
HDTV 1080P
(2) PC Mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1
720x400 31.468
70.08
28.321
HDCP
2
640x480
31.469 59.94
25.17
VESA
HDCP
37.684 75.00
31.50
3
800x600
37.879 60.31
40.00
VESA
HDCP
46.875
75.00
49.50
4
832x624 49.725
74.55
57.283 Macintosh
HDCP
5 1024x768
48.363
60.00
65.00
VESA(XGA)
HDCP
56.470 70.00
75.00
60.123
75.029
78.75
6 1280x768
47.78
59.87
79.5
WXGA
HDCP
7 1360x768
47.72
59.8
84.75
WXGA
HDCP
8 1366x768
47.56
59.6
84.75
WXGA
HDCP
9 280x1024
63.595
60.0
108.875
SXGA
HDCP
10 1920x1080
66.647
59.988
138.625
WUXGA
HDCP
- 10 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV with
LD91D chassis.
LD91D 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.
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)
3) Magnetic Field Condition: Nil.
4) Input signal Unit: Product Specification Standard
5) Reserve after operation: Above 5 Minutes (Heat Run)
Temperature : at 25±5ºC
Relative humidity : 65±10%
Input voltage : 220V, 60Hz
Relative humidity : 65±10%
Input voltage : 220V, 60Hz
6) Adjustment equipments: Color Analyzer (CA-210 or CA-
110), Pattern Generator(MSPG-925 series or Equivalent)
DDC Adjustment Jig equipment, SVC remote controller
DDC Adjustment Jig equipment, SVC remote controller
7) Push The “IN STOP KEY” - For memory initialization.
3. Main PCB check process
* APC - After Manual-Insult, 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.
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.
6) Click “Run”.
7) After downloading, check “OK” message.
* USB DOWNLOAD
1) Put the USB Stick to the USB socket.
2) Automatically detecting update file in USB Stick.
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.
High, USB data is automatically detecting.
3) Show the message “Copying files from memory”.
filexxx.bin
(5)
(7) ……….OK
(5)
(6)
(3)
fi lexxx.bin
(1)
(4)
Please Check the Speed :
To use speed between
To use speed between
from 200KHz to 400KHz
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 “I n-stop” key.
3. Push “Power on” key
4. Function inspection
5. After function inspection, Push “I n-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.
4) Updating is staring.
5) Fishing the version uploading, you have to put USB stick
and “AC Power” off.
6) After putting “AC Power” on and check updated version
on your TV.
* If downloading version is more high 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.
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 hax their number)
2) Select “Tool Option 1” and Push “OK” button.
3) Punch in the number. (Each model hax their number)
4) Completed selecting Tool option.
3.1. ADC Process
(1) External ADC (Only adjust in the component mode 480I)
• Input the Signal in the Component 1 -Component 480I
(Adjusted only this mode)
MODEL: 209 in Pattern Generator(480i Mode)
PATTERN : 65 in Pattern Generator( MSPG-925 Series)
PATTERN : 65 in Pattern Generator( MSPG-925 Series)
• After enter Service Mode by pushing “ADJ” key,
• Enter the 5 item and then Push the “Start” button
• Enter the 5 item and then Push the “Start” button
• After enter Service Mode by pushing “ADJ” key
• Enter ADC Calibration mode by pushing “
• Enter ADC Calibration mode by pushing “
G
” key at “5.
ADC Calibration
• Push the Start button
(3) Function Check
- Check display and sound
• Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (SCART1/SCART2/ 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
1) TV
2) AV (SCART1/SCART2/ 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.
4. Total Assembly line process
4.1. Adjustment Preparation
• W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (85IRE)
• Above 5 minutes H/run in the inner pattern. (“power on” key
of adjust remote control)
- 11 -
Tool
1
2
3
4
Option
26112
3382
56744
2304
<Adjustment pattern(PC)>
Cool 11,000k ºK
X=0.276(±0.002)
Y=0.283(±0.002)
<Test Signal>
Medium 9,300k
ºK
X=0.285(±0.002)
Inner pattern
Y=0.293(±0.002)
(216gray,85IRE)
Warm
6,500k ºK
X=0.313(±0.002)
Y=0.329(±0.002)
- 12 -
* Connecting picture of the measuring instrument
(On Automatic control )
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON ->
Enter the mode of White-Balance, the pattern will come out.
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON ->
Enter the mode of White-Balance, the pattern will come out.
*Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10ux).
2) Adhere closely the Color Analyzer (CA210) to the module
less than 10cm distance, keep it with the surface of the
Module and Color Analyzer’s Prove vertically.(80~100°).
Module and Color Analyzer’s Prove vertically.(80~100°).
3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 15minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others,
check the back light on.
• Auto adjustment Map(RS-232C)
** Caution **
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)
* Manual W/B process using adjusts Remote control.
• After enter Service Mode by pushing “ADJ” key,
• Enter White Balance by pushing “
• Enter White Balance by pushing “
G
” key at “3. White
Balance”.
* After done all adjustments, Press “In-start” button and
compare Tool option and Area option value with its BOM, if it
is correctly same then unplug the AC cable. If it is not same,
then correct it same with BOM and unplug AC cable.
For correct it to the model’s module from factory JIG model.
is correctly same then unplug the AC cable. If it is not same,
then correct it same with BOM and unplug AC cable.
For correct it to the model’s module from factory JIG model.
* Push The “IN STOP” key after completing the function
inspection.
4.2. DPM operation confirmation
(Only Apply for MNT Model)
Check if Power LED Color and Power Consumption operate
as standard.
• Set Input to RGB and connect D-sub cable to set
• Measurement Condition: (100~240V@ 50/60Hz)
• Confirm DPM operation at the state of screen without Signal.
as standard.
• Set Input to RGB and connect D-sub cable to set
• Measurement Condition: (100~240V@ 50/60Hz)
• Confirm DPM operation at the state of screen without Signal.
4.3. DDC EDID Write (RGB 128Byte )
• Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert
* For SVC main Ass’y, EDID have to be downloaded to Insert
Process in advance.
4.4. DDC EDID Write (HDMI 256Byte)
• Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert
* For SVC main Ass’y, EDID have to be downloaded to Insert
Process in advance.
4.5. EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
- Auto Download
• After enter Service Mode by pushing “ADJ” key, Enter
EDID D/L mode.
• Enter “START” by pushing “OK” key.
* Caution
* Caution
- Never connect HDMI & D-sub Cable when the user
downloading .
- Use the proper cables below for EDID Writing.
Full White Pattern
COLOR
ANALYZER
TYPE: CA-210
ANALYZER
TYPE: CA-210
RS-232C Communication
CA-210
RS-232C COMMAND
CENTER
[CMD ID DATA]
(DEFAULT)
Cool Mid
Warm MIN Cool
Mid
Warm MAX
R Gain
jg
Ja
jd
00
172
192
192
255
G Gain
jh
Jb
je
00
172
192
192
255
B Gain
ji
Jc
jf
00
192
192
172
255
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
<Connecting picture ( On Automatic Control)>
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