LG 19LD330 / 19LD340 / 19LD345 (CHASSIS:LP91H) Service Manual ▷ View online
- 6 -
No.
Specification
Proposed
Remarks
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1 640*
350
31.468
70.09
25.17
EGA
2 720*
400
31.469
70.09
28.32
DOS
3 640*
480
31.469
59.94
25.17
VESA(
VGA)
4 800*
600
37.879
60.317
40
VESA(
SVGA)
5 1024*
768
48.363
60.004
65
VESA(
XGA)
6
1280* 768
47.776
59.87
79.5
VESA( WXGA)
7 1360*
768
47.72
59.799
84.75
VESA(
WXGA)
8
1280* 1024
63.668
59.895
109.00
XGA
Only FHD Model
9
1920* 1080
66.587
59.934
138.50
WUXGA(Reduced Blanking)
Only FHD Model
7. RGB
(Analog PC, RGB-DTV - NOT SUPPORT)
6. Component Video Input (Y, P
B
, P
R
)
No.
Specification
Remarks
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1
720* 480
15.73
59.94
13.500
SDTV, DVD 480I( 525I)
2
720* 480
15.75
60.00
13.514
SDTV, DVD 480I( 525I)
3
720* 576
15.625
50.00
13.500
SDTV, DVD 576I( 625I) 50 Hz
4
720* 480
31.47
59.94
27.000
SDTV 480P
5
720* 480
31.50
60.00
27.027
SDTV 480P
6
720* 576
31.25
50.00
27.000
SDTV 576P 50 Hz
7
1280* 720
44.96
59.94
74.176
HDTV 720P
8
1280* 720
45.00
60.00
74.250
HDTV 720P
9
1280* 720
37.50
50.00
74.25
HDTV 720P 50 Hz
10
1920* 1080
28.125
50.00
74.250
HDTV 1080I 50 Hz,
11 1920*
1080
33.72
59.94
74.176
HDTV
1080I
12 1920*
1080
33.75
60.00
74.25
HDTV
1080I
13 1920*
1080
56.25
50
148.5
HDTV
1080P
14 1920*
1080
67.432
59.94
148.350
HDTV
1080P
15 1920*
1080
67.5
60.00
148.5
HDTV
1080P
- 7 -
8. HDMI Input(PC)
(PC-Spec. out but it can be shown the picture at only HDMI/ DVI IN 1 via DVI to HDMI Cable)
No.
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remarks
1
640 x 480
31.469
59.94
25.17
VESA(VGA)
2
800 x 600
37.879
60.317
40.00
VESA(SVGA)
3
1024 x 768
48.363
60.004
65.00
VESA(XGA)
4
1280 x 768
47.776
59.87
79.5
VESA(WXGA)
5
1360 x 768
47.72
59.799
84.62
VESA(WXGA)
6
1366 x 768
47.7
60.00
84.62
WXGA
7
1280 x 1024
63.595
60.00
108.875
SXGA
8
1920 x 1080
66.647
59.988
138.625
WUXGA
9. HDMI Input(DTV)
No.
Specification
Proposed
Remarks
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1
720 x 480
15.73
59.94
13.500
SDTV, DVD 480I(525I)
Spec. out
2
720 x 480
15.75
60.00
13.514
SDTV, DVD 480I(525I)
but display.
3
720 x 576
15.625
50.00
13.500
SDTV, DVD 576I(625I) 50 Hz
4
720 x 480
31.47
59.94
27
SDTV 480P
5
720 x 480
31.5
60.00
27.027
SDTV 480P
6
720 x 576
31.25
50.00
27
SDTV 576P
7
1280 x 720
44.96
59.94
74.176
HDTV 720P
8
1280 x 720
45
60.00
74.25
HDTV 720P
9
1280 x 720
37.5
50.00
74.25
HDTV 720P
10
1920 x 1080
28.125
50.00
74.25
HDTV 1080I
11
1920 x 1080
33.72
59.94
74.176
HDTV 1080I
12
1920 x 1080
33.75
60.00
74.25
HDTV 1080I
13
1920 x 1080
56.25
50.00
148.5
HDTV 1080P
14
1920 x 1080
67.432
59.94
148.350
HDTV 1080P
15
1920 x 1080
67.5
60.00
148.5
HDTV 1080P
16
1920 x 1080
27
24.00
74.25
HDTV 1080P
17
1920 x 1080
33.75
30.00
74.25
HDTV 1080P
- 8 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV, LP91H
chassis.
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 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep AC 100-220
V~ 50 / 60 Hz.
(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.
1) Using D/L Jig
2) Using USB Memory Stick.
(2) Input Tool-Option.
(3) Download the EDID
(3) Download the EDID
- EDID datas are automatically downloaded when adjusting
the Tool Option2
(4) ADC Calibration - RGB / Component
(4) Check SW Version.
(4) Check SW Version.
3.2. SET assembly adjustment items
(1) Input Area option
(2) Adjustment of White Balance : Auto & Manual
(3) Input Tool-Option/Area option
(4) Intelligent Sensor Inspection Guide
(5) Preset CH information
(6) Factoring Option Data input
(2) Adjustment of White Balance : Auto & Manual
(3) Input Tool-Option/Area option
(4) Intelligent Sensor Inspection Guide
(5) Preset CH information
(6) Factoring Option Data input
4. PCB assembly adjustment method
4.1. Mstar Main S/W program download
4.1.1. Using D/L Jig
(1) Preliminary steps
1) Connect the download jig to D-sub(RGB) jack.
(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 : 350 Khz ~ 400 Khz
4) Read and write bin file.
Click “(1)Read” tab, and then load download file
(XXXX.bin) by clicking “Read”.
(XXXX.bin) by clicking “Read”.
LH20/ LH30
1
Filexxx.bin
1
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
* USB download : Service Mode
1) Insert the USB memory stick to the ISB port.
2) Automatically detect the SW Version.
1) Insert the USB memory stick to the ISB port.
2) Automatically detect the SW Version.
-> S/W download process is executed automatically.
3) Show the message “Copy the file from the Memory”.
4) After Finished the Download, Automatically DC Off -> On
5) Check The update SW Version.
4.2. Input tool option.
Adjust tool option refer to the BOM.
- Tool Option Input : PCBA Check Process
- Area Option Input : Set Assembly Process
- Tool Option Input : PCBA Check Process
- Area Option Input : Set Assembly Process
After Input Tool Option and AC off
Before PCBA check, you have to change the Tool 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 and
have to AC off/on (Plug out and in)
(If missing this process, set can operate abnormally)
(1) Profile : Must be changed the option value because being
different with some setting value depend on
module maker, inch and market
module maker, inch and market
(2) Equipment : adjustment remote control.
(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.)
model spec.)
Refer to Job Expression of each main chassis assembly
(EBTxxxxxxxx) for Option value
Caution : Don’t Press “IN-STOP” key after completing the
(EBTxxxxxxxx) for Option value
Caution : Don’t Press “IN-STOP” key after completing the
function inspection.
4.3. EDID D/L method
Recommend that don’t connect HDMI and RGB(D-SUB) cable
when downloading the EDID.
If not possible, recommend that connect the MSPG equipment.
There are two methods of downloading the edid data
when downloading the EDID.
If not possible, recommend that connect the MSPG equipment.
There are two methods of downloading the edid data
4.3.1. 1st Method
EDID datas are automatically downloaded when adjusting the
Tool Option2.
Automatically downloaded when pushing the enter key after
adjusting the tool option2.
It takes about 2seconds.
Tool Option2.
Automatically downloaded when pushing the enter key after
adjusting the tool option2.
It takes about 2seconds.
4.3.2. 2nd Method
* Caution :
Must be checked that the tool option is right or not.
If tool option is wrong, hdmi edid data could not be
downloaded well.
If tool option is wrong, hdmi edid data could not be
downloaded well.
1) Press the ADJ key
2) Move to the EDID D/L and Press the right direction key(
2) Move to the EDID D/L and Press the right direction key(
G
).
3) Press the right direction key(
G
) at Start.
4) After about a few seconds, appear “OK”, then compete.
4.3.3. 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 the EDID.
If the cables are connected, Downloading of edid could be
failed.
- 9 -
1
Filexxx.bin
Click on the first or last page to see other 19LD330 / 19LD340 / 19LD345 (CHASSIS:LP91H) service manuals if exist.