DOWNLOAD LG 42LG500H (CHASSIS:LA66A) Service Manual ↓ Size: 10.72 MB | Pages: 41 in PDF or view online for FREE

Model
42LG500H (CHASSIS:LA66A)
Pages
41
Size
10.72 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lg500h-chassis-la66a.pdf
Date

LG 42LG500H (CHASSIS:LA66A) Service Manual ▷ View online

- 9 -
9. HDMI Input 2(DTV)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
1
720*480
31.500
59.94
27.00
SDTV 480P
2
720*480
31.469
60.00
27.03
SDTV 480P
3
1280*720
44.96
59.94
HDTV 720P
4
1280*720
45.00
60.00
HDTV 720P
5
1920*1080
33.72
59.94
HDTV 1080I
6
1920*1080
33.75
60.00
HDTV 1080I
8. HDMI Input 1(PC/DTV)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
PC
DDC
1
640*480
31.469
59.94
25.17
VESA(VGA)
O
2
640*480
37.861
72.80
31.50
VESA(VGA)
O
3
640*480
37.500
75.00
31.50
VESA(VGA)
O
4
800*600
35.156
56.25
36.00
VESA(SVGA)
O
5
800*600
37.879
60.31
40.00
VESA(SVGA)
O
6
800*600
48.077
72.18
50.00
VESA(SVGA)
O
7
800*600
46.875
75.00
49.50
VESA(SVGA)
O
8
1024*768
48.363
60.00
65.00
VESA(XGA)
O
9
1024*768
56.476
70.06
75.00
VESA(XGA)
O
10
1024*768
60.023
75.02
78.75
VESA(XGA)
O
11
1280*768
47.700
60.00
80.140
VESA(WXGA)
O
12
1360*768
47.720
59.799
84.750
VESA(WXGA)
O
13
1366*768
47.130
59.658
72.000
VESA(WXGA)
O
DTV
1
720*480
31.500
59.94
27.00
SDTV 480P
2
720*480
31.469
60.00
27.03
SDTV 480P
3
1280*720
44.96
59.94
HDTV 720P
4
1280*720
45.00
60.00
HDTV 720P
5
1920*1080
33.72
59.94
HDTV 1080I
6
1920*1080
33.75
60.00
HDTV 1080I
- 10 -
10. General specifications (module) - LC420WXN-SAA1(42” vitiaz3 LPL)
No
Item
Value
Unit
Remark
1
Active Screen Size
42.02 inches
mm
2
Outline Dimension
983(H) x 576(V) x 51(D) (Typ.)
mm
With inverter
3
Pixel Pitch
0.227(H) x 0.681(W) x RGB
mm
4
Pixel Format
1366(H)x768(V) x RGB stripe arrangement
5
Color Depth
8bit, 16.7 M colors
Mbit
6
Luminance ,White
500 (center 1 point) (Typ.)
cd/m
2
7
Viewing Angle (CR>10)
Viewing angle free (R/L 178(Typ.),U/D 178(Typ.))
degree
8
Power Consumption
Total 165 Watt(typ.)(Logoc=5.4W, Lamp=160W)
Watt
9
Weight
15,000(Max)
g
10
Display Operating  Mode
Transmissive mode ,normally black 
11
Surface Treatment
Hard coating (3H), anti-glare treatment of th fornt polarizer(Haze 13%)
- 11 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec sheet is applied all of the 'LA66A' 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.
(2) Adjustment must be done in the correct order.
(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.
(4) The input voltage of the receiver must keep 100~240V,
60Hz.
(5) The receiver must be operated for about 15 minutes prior
to the adjustment.
O
After RGB Full White in HEAT-RUN Mode, the receiver
must be operated prior to the adjustment.
O
Enter into HEAT-RUN MODE 
1) Press the POWER ON KEY on R/C for adjustment.
2) OSD display and screen display 100% full WHITE
PATTERN.
- Set is activated HEAT run without signal generator
in this mode. 
- Single color pattern (RED / BLUE / GREEN) of
HEAT RUN MODE uses to check panel. 
- Caution: If you turn on a still screen more than 20
minutes (Especially digital pattern, cross hatch
pattern), an after image may be occur in the black
level part of the screen.
3. Method of PTC MICOM Download
3.1. Connection of MICOM JIG 
(1) Connect port(3) with Power Code 
(2) Connect jack(1) with PTC Micom.
(3) Connect USB Cable to the computer 
(4) Download Program execution (SAP Configuration) 
* Notice!
Because PTC Download JIG has internal memory, it can save
download files using download program (SAP Configuration).
Push the START button (4) after file saving, then it execute
download.
3.2. Execution of download program
(SAP Configuration)
(1) Execution of SAP Configuration
1) Select HCS12
2) Target Frequency Settings : 
A. Checking the factor -> Use Specified Target
Frequency ..., Unsecure target...
B. Insert Target Bus Frequency -> 7372800
3) Specify Algorithm: 9S12dt128_128k .12P 
4) Specify S Record: select download file. 
5) Checking factor: Erase Device, Blank Check Device,
Program Device, Verify Device 
* Notice!
Don't check other checking boxes. You must follow fig.
6) Push the 'Save Image to Cyclone PRO' button, files
transfer from PC to the Download JIG. 
4. Start button
3. Power
1. Connect to Micom port of TV board.
2. Connect to computer.
<SAP Configuration>
1
2
3
5
6
4
PC -> Download Jig
4. Select method of Module type
4.1. Setting up like figure
(Setting: Press ADJ Key in the Adjust remocon. Select
“System Control 3” by using 
D
/
E
(CH+/-) key, and press
A
(ENTER) Using Adjust remocon, select module)
5. Color Balance adjustment.
-  System control RS-232 Host should be “PC” for adjustment.
5.1. Auto AV (CVBS) Color Balance
(1) Required Equipment
- Remote controller for adjustment 
- AV Pattern Generator: 802F Pattern Generator, Master
(MSPG-925FS), etc
(Which has NTSC-J Composite Video format output with
standard (1.0 Vpp) See Fig. 1)  
- It is very important to use correct adjustment pattern like
Fig.1.
(2) Method of Auto AV (CVBS) Color Balance
1) Input the NTSC-J Composite Video (Fig.1) into video
input.
=> MSPG-925FS Model No: 207 / Pattern No: 65 / NTSC-J
2) Set the EZ Picture to Daylight mode in Video menu.
3) Press INSTART key on R/C for adjustment.
4) Press  the 
G
(Vol. +) key operate to set, then it becomes
automatically.
5) Auto-RGB OK means completed adjustment.
* When adjust main picture, sub picture is included.
5.2. Auto Component Color Balance
(1) Required Test Equipment
- Remote controller for adjustment
- 802F Pattern Generator Which has 720p YPbPr output
with Standard (0.7Vpp) See Fig. 2
- It is very important to use correct adjustment pattern like
fig.2.
(2) Method of Auto Component Color Balance
1) Input the Component 1280*720p 60Hz signal into
Component.
=> MSPG-925FS Model No: 217 / Pattern No: 65
2) Set the EZ Pictures to Daylight mode in Video menu.
3) Press INSTART key on R/C for adjustment. 
4) Press the 
G
(Vol. +) key operate To set, then it becomes
automatically.
5) Auto-RGB OK means completed adjustment 
- 12 -
<Fig.1> Auto AV (CVBS) Color Balance Test Pattern
Default Value on OSD
Before ADC Calibration, should be executed the "Module type
selection".
Auto Color Balance (Hex)
Auto-RGB
G
To Set
Source
Main
Red Offset1
102
Green Offset1
0C6
Blue Offset1
0DA
Red Offset2
3F
Green Offset2
3F
Blue Offset2
3F
Red Gain
072
Green Gain
070
Blue Gain
07B
Reset
G
To Set
RF
AV
Component
RGB
Pattern No. : 65 Pattern No. : 65 Pattern No. : 65
<Fig.2> Auto Component Color Balance Test Pattern
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