42LG700H (CHASSIS:LA86A) - LG TV Service Manual (repair manual). Page 9

Read LG 42LG700H (CHASSIS:LA86A) Service Manual online

- 9 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied for all of the LCD TV with
LA80A 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 100~120V,
50/60Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment.
* After RGB Full White in HEAT-RUN Mode, the receiver
must be operated prior to the adjustment.
* 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 :
13CH), 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)
3.2.1. Execution of SAP Configuration
(1) Select HCS12
(2) Target Frequency Settings : 
1) Checking the factor -> Use Specified Target
Frequency…, Unsecure target….
2) 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.
3
4
 
1
2
5
6
Page of 41
Display

Click on the first or last page to see other 42LG700H (CHASSIS:LA86A) service manuals if exist.