LG 37LG5500-ZB, Service Manual

Page: 10 / 33

Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
C
2008 - 10 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet is applied to all of the LD82D chassis
manufactured at LG TV Plant all over the world.
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 to
protect test instruments
2) Adjustment must be done in the correct sequence.
3) The adjustment must be performed at 25±5°C temperature
and 65±10% relative humidity if there is no specified
designation.
4) The input voltage of the receiver must be kept between
100-220V~, 50/60Hz.
5) Before adjustment, execute Heat-Run for 30 minutes at RF
no signal.
3. Channel Memory
3.1. Channel memory method
1) Press ADJ key in Adjust remote control.
2) Select “Channel Recover” by using
D
/
E
(CH+/-) key, and
press
G
(VOL+).
3) When Channel Recover is completed, set will be turned off
and LED light go to stand-by mode.
* Before AV ADC Calibration, should be executed the “Tool option 1”
4. Select method of Tool option 1
1) Press ADJ Key in the Adjust remote control.
2) Select “Tool option 1” by using
D
/
E
(CH+/-) key, and press
A
(ENTER).
3) Select “Maker” by using
D
/
E
(CH+/-) key, and change the
module maker and. applied module classification by using
F
/
G
(VOL+/-).
4) Select “Inch” by using
D
/
E
(CH+/-) key, and change the
module according to the inch of model.
5) Select “Tool” by using
D
/
E
(CH+/-) key, and change the
tool name according to the model.
(Inch of model : 26”, 32”, 37”, 42”, Applied module under
the classification)
6) After changing the Tool option1, push the EXIT key.
5. Substrate ADC Calibration
5.1. Adjustment of RF/AV
Model : 202 / Pattern : 65
5.2 Adjustment of Component.
Model : 215/ Pattern : 65
5.3 Adjustment of RGB
Model : 3/ Pattern : 65
<Fig. 1>
Model Name
37LG5500
42LG5500
42LG5500
Tool Option 1
51920
35540(Vitiaz2)
51924(Vitiaz3)
Maker
LPL
LPL
LPL
Inch
37
42
42
Tool
LG5500
LG5500
LG5500