Read LG 72LZ9900-CA (CHASSIS:LC12N) Service Manual online
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ADJUSTMENT INSTRUCTION
1. Application range
1.1 This spec sheet is applied all of the LCD TV with LC12C chassis.
1.2 Main manufacturing type
▪SET ( o )
▪CKD ( o )
▪SKD ( o )
▪CKD ( o )
▪SKD ( o )
2. Specification
2.1
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.
2.2
Adjustment must be done in the correct order.
2.3
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.
2.4
The input voltage of the receiver must keep 100~240V, 50/60Hz.
2.5 At first worker must turn on the SET by using Power Only Key.
2.6
The receiver must be operated for about
5 minutes
prior to the adjustment when module
is in the circumstance of over 15
In case of keeping module is in the circumstance of 0°C, it should be placed in the
circumstance of above 15°C for 2 hours
circumstance of above 15°C for 2 hours
In case of keeping module is in the circumstance of below -20°C, it should be
placed in the circumstance of above 15°C for 3 hours,.
placed in the circumstance of above 15°C for 3 hours,.
Caution) When still image is displayed for a period of 20 minutes or longer (especially where
W/B scale is strong. Digital pattern 13ch and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
Chassis
Model Name
Market Place
Brand
Remark
LC12N
72LZ9900-CA
CHINA,HONG KONG
(PAL/DTMB Market)
LG
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