LG 47LH30FR (CHASSIS:LP91A) Service Manual ▷ View online
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2009
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ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the 47”/55” LCD
TV, LP91A/B/C/D chassis.
TV, LP91A/B/C/D chassis.
2. Specification
1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
transformer will help protect test instrument.
2) Adjustment must be done in the correct order.
3) The adjustment must be performed in the circumstance of
3) The adjustment must be performed in the circumstance of
25 ±5 °C of temperature and 65±10% of relative humidity if
there is no specific designation.
there is no specific designation.
4) The input voltage of the receiver must keep 100~220V,
50/60Hz.
5) Before adjustment, execute Heat-Run for 5 minutes at RF
no signal.
3. Adjustment items
3.1. PCB assembly adjustment items
1) Download the MSTAR main software
(IC800, Mstar ISP Utility)
(1) Using D/L Jig (2) Using USB Memory Stick.
2) ADC Calibration – RGB / Component
3) Input Tool-Option/Area option.
4) Check SW Version.
3) Input Tool-Option/Area option.
4) Check SW Version.
3.2. SET assembly adjustment items
1) Adjustment of White Balance : Auto & Manual
2) Intelligent Sensor Inspection Guide
3) Preset CH information
4) Factoring Option Data input.
2) Intelligent Sensor Inspection Guide
3) Preset CH information
4) Factoring Option Data input.
4. PCB assembly adjustment method
4.1. Mstar Main S/W program download
4.1.1. Using D/L Jig
4.1.1.1. Preliminary steps
(1) Connect the download jig to D-sub(RGB) jack
(1) Connect the download jig to D-sub(RGB) jack
4.1.1.2. Download steps
(1) Execute ‘ISP Tool’ program, the main window(Mstar ISP
utility Vx.x.x) will be opened
(2) Click the “Connect” button and confirm “Dialog Box”
(3) Click the “Config.” button and Change speed I2C Speed
setting : 350Khz~400Khz
(4) Read and write bin file.
Click “(1)Read” tab, and then load download file(XXXX.bin)
by clicking “Read”.
by clicking “Read”.
L1
Filexxx.bin
L1
Filexxx.bin
Filexxx.bin
(5) Click “(2)Auto” tab and set as below
(6) Click “(3)Run”.
(7) After downloading, you can see the “(4)Pass” message.
(6) Click “(3)Run”.
(7) After downloading, you can see the “(4)Pass” message.
4.1.2. Using the Memory Stick
* Caution
Using ‘power on’ button of the control R/C, power on TV.
USB file (EPK) version must be bigger than downloaded
version of main B/D.
1) Insert the USB memory stick to the SET.
2) Power on the TV by using ‘power on’ button of the control R/C.
3) S/W download process is executed automatically
USB file (EPK) version must be bigger than downloaded
version of main B/D.
1) Insert the USB memory stick to the SET.
2) Power on the TV by using ‘power on’ button of the control R/C.
3) S/W download process is executed automatically
4.2. EDID D/L method
4.2.1. Manual Method
1) Press the ADJ key
2) Move to the EDID D/L and Press the right direction key(¢∫)
3) Press the right direction key(¢∫) at Start.
4) After about a few seconds, appear “OK”, then compele.
2) Move to the EDID D/L and Press the right direction key(¢∫)
3) Press the right direction key(¢∫) at Start.
4) After about a few seconds, appear “OK”, then compele.
4.2.2. RS-232C command Method
1) Command : AE 00 10
* Caution : Don’t connect HDMI and RGB(D-SUB) cable when
downloading the EDID. If the cables are connected,
Downloading of edid could be failed.
Downloading of edid could be failed.
4.2.3. EDID data
1. 10BIT FHD MODEL(47/55 inch FHD)
<Analog(RGB): 128bytes>
1. 10BIT FHD MODEL(47/55 inch FHD)
<Analog(RGB): 128bytes>
<HDMI 1 : 256Bytes>
<HDMI 2 : 256Bytes>
<HDMI 3 : 256Bytes>
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\1
Filexxx.bin
4.3 ADC Calibration
4.3.1. RGB (Using External pattern)
* Caution: Do not connect external input cable
* Caution: Adjustment result is applied after SET Off/On.
* Caution: Adjustment result is applied after SET Off/On.
4.3.1.1. Process
1) Change the Input to RGB mode.
2) Input the PC 1024x768@60Hz Horizontal Color Bar
2) Input the PC 1024x768@60Hz Horizontal Color Bar
signal into RGB.
(MSPG-925F Model: 60 / Pattern: 65 )
3) Press ADJ key on R/C for adjustment.
4) Enter Password number. Password is “0 0 0 0”.
5) Select “0. ADC calibration : RGB” by using
4) Enter Password number. Password is “0 0 0 0”.
5) Select “0. ADC calibration : RGB” by using
/
(CH +/-
) and press ENTER(
).
6) ADC adjustment is executed automatically .
7) When ADC adjustment is finished, this OSD appear”OK”
7) When ADC adjustment is finished, this OSD appear”OK”
4.3.2. Component (Using External pattern)
* Required Equipments
• Remote controller for adjustment
• MSPG-925F/MSPG-1025/MSPG-3233 Pattern Generator
• Remote controller for adjustment
• MSPG-925F/MSPG-1025/MSPG-3233 Pattern Generator
4.3.2.1. Process
1) Change the Input to Component1 or 2 mode..
2) Input the Component 480i@60Hz 100% Color Bar YPbPr
2) Input the Component 480i@60Hz 100% Color Bar YPbPr
signal into Component1 or 2.
(MSPG-925F Model: 209 / Pattern: 65 )
3) Press ADJ key on R/C for adjustment.
4) Enter Password number. Password is “0 0 0 0”.
5) Select “0. ADC calibration : Component” by using
4) Enter Password number. Password is “0 0 0 0”.
5) Select “0. ADC calibration : Component” by using
/
(CH +/-) and press ENTER(
).
6) ADC adjustment is executed automatically .
7) When ADC adjustment is finished, this OSD appear”OK”
7) When ADC adjustment is finished, this OSD appear”OK”
4.4. Input Tool-Option, Area Option.
** TOOL Option, Area Option change and AC OFF
Before PCBA check, you have to change the Tool option,
Area option and have to AC off/on (Plug out and in)
(If missing this process, set can operate abnormally)
Before PCBA check, you have to change the Tool option,
Area option and have to AC off/on (Plug out and in)
(If missing this process, set can operate abnormally)
4.4.1. Profile : Must be changed the option value because being
different with some setting value depend on module maker,
inch and market
inch and market
4.4.2. Equipment : adjustment remote control.
4.4.3. Adjustment method
4.4.3. Adjustment method
The input methods are same as other chassis.(Use IN-START
Key on the Adjust Remocon.)
(If not changed the option, the input menu can differ the
model spec.)
*Refer to Job Expression of each main chassis
Key on the Adjust Remocon.)
(If not changed the option, the input menu can differ the
model spec.)
*Refer to Job Expression of each main chassis
ass’y(EBTxxxxxxxx) for Option value
**Never push the IN-STOP KEY after completing the function
inspection.
4.5. Check SW Version
4.5.1. Method
(1) Push In-star key on Adjust remote-controller.
(2) SW Version Check.
(2) SW Version Check.
SW VER : V3.xx
– LH50
SW VER : V3.xx
Bluetooth 3.xx
Bluetooth 3.xx
– LH70
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SHOP Mode : auto home
ADC CAL.
RGB : OK
Component SD : OK
Component SD : OK
ADC CAL.
RGB : OK
Component SD : OK
Component SD : OK
Tool Option1 ``
39848
Tool Option2 ````
51
Area Option ````
1
OPTION1 `````
43
OPTION2 `````
46
OPTION3 `````
0
OPTION4 `````
0
System Control
Audio Prescale
Threshold
Power Off History
Panel Control
Davinci / Auto Test
Audio Prescale
Threshold
Power Off History
Panel Control
Davinci / Auto Test
LP91A ```
LPL ` L42FHD
S/W ` Ver 3.XX
UTT ``
UTT ``
97 ``
00 HDCP 0
SHOP Mode : auto home
ADC CAL.
RGB : `
ADC CAL.
RGB : `
OK
Component SD : OK
Component SD : OK
Component SD : OK
Tool Option1 ``
39848
Tool Option2 ````
51
Area Option ````
1
OPTION1 `````
43
OPTION2 `````
46
OPTION3 `````
0
OPTION4 `````
0
System Control
Audio Prescale
Threshold
Power Off History
Panel Control
Davinci / Auto Test
Audio Prescale
Threshold
Power Off History
Panel Control
Davinci / Auto Test
LP91A ```
LPL ` L42FHD
S/W ` Ver 3.XX ``
Bluetoth 3.xx
UTT ``
97 ``
00 HDCP 0
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2009
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TROUBLESHOOTING
Check P307 Connector.
Fail
Check short of Main B/ D
or Change Power B/ D
Pass
CHECK
24V,12V,5V,2V of
Power B/D
Check Output of
IC1001, IC1003,
IC1001, IC1003,
IC1007
Pass
1. NO POWER (LED INDICATOR OFF) : [A] Process
Fail
Fail
Change LED Assy.
Check LED Assy.
Pass
Re-soldering of Change
defect part of IC1001,
IC1003, IC1007
Check short of IC1001,
IC1003, IC1007
Pass
Change IC1002, IC1003
Fail
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