42PG6HD-UA (CHASSIS:PU83A) - LG TV Service Manual (repair manual). Page 4

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This spec sheet is applied all of the PDP TV, PU83A chassis. 

(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 220V, 60Hz

when adjusting.

(5) The receiver must be operational for about 15 minutes

prior to the adjustments.

1) After receiving 100% white pattern, the receiver must be

operated prior to adjustment. (Or 8. Test Pattern
condition in EZ - Adjust)

2) Enter into White Pattern 

- Press POWER ON Key on the Service Remote

Control (S R/C)

- Enter the Ez - Adjust by pressing ADJ Key on the

Service Remote Control (S R/C).

- Select 10. Test Pattern using the CH +/- Key and

select the White by pressing the direction Key. 
Display the 100% Full White Pattern. 

[

Set is activated HEAT-RUN without signal generator in

this mode.

O

HEAT RUN

Preliminary action is applied to the test for afterimage
discharge detection, and 100% FULL WHITE PATTERN
must be operated automatically.

O

Test for afterimage discharge detection

1) Pressing Power On key

- Only operating by pressing Power On key

2) Full Test Pattern(2 min 30sec) --> Full Black

Pattern(30sec) --> Full White Pattern(maintenance)
- Full White Pattern when the main power is turned on

again after being turned off 

3) Pattern Mode is deselected by pressing CH +/-, Exit Key.

[

Set is activated HEAT-RUN without signal generator in this

mode.

If you turn on a still screen more than 20 minutes (Especially
Digital pattern(13 CH), Cross Hatch Pattern), an afterimage
may occur in the black level part of the screen.

Test Pattern 2min 30sec

Test Pattern 30sec