LG 47LB1DA-UB, Service Manual

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ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied to all of the LCD TV, LA61B.
2. Notes
(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 equipment.
(2) Adjustments must be done in the correct order.
(3) The adjustments 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 be must kept 110V, 60Hz
when adjusting.
(5) The receiver must be operational for about 15 minutes
prior to the adjustments.
Perform preliminary operation after receiving 100%
White Pattern (06CH).
(Or 3. White Pattern status of Ez-Adjust)
White Pattern entry method
A) Enter into Ez-Adjust by pressing the POWER ON KEY
on the adjustment R/C.
B) 100% FULL WHITE PATTERN appears if pressing the
OK ( ) key after selecting the 3.WHITE PATTERN
with the CH + / - KEY.
* It is possible to HEAT RUN the set without a
separate signal generator in this mode.
Caution : Care must be taken as afterimage
phenomena may occur about the black level part
of screen If leaving pause image turned on for
more than 20 minutes (especially inner digital
pattern (13 CH), Cross Hatch Pattern (09CH)
with significant black/white contrast).
3. EPLD Download
(1) Test Equipment: PC, Jig for download
(2) Connect the power of VSC B/D.
(3) Execute download program(iMPACK) of PC.
(4) After executing the hot key on the Programmer, click icon
(5) End after confirming
4. Gemstar VBI Micom Download
4-1. Preparation for Adjustment
(1) As shown below, connect the MPLAB ICD2 equipment, PC
and Digital Connector.
(2) Turn on the MPLAB ICD2 POWER Supply.
(3) After turn on the PC and MONITOR, select the ‘MPLAB
IDE’ from the screen.
4-2. Adjustment Sequence
(1) When the program is executed, select the MPLAB ICD2
from Programmer -> Select Programmer .
(2) Select "Configure -> Select Device".
(3) When the "Select Device" window appears, select the
PIC18F1220 from "Device" and press OK.
PC
VSC
B/D
+13V
<Digital Board>
Connect the MPLAB ICD2 and connector of Digital Board
Connect the RS-232 or USB Cable
GND
Data