Adjustment Instruction - LG RZ-20LZ50 Service Manual

1. Application Object
This document is applied to 20" Wide LCD TV which is
manufactured in Monitor Factory or is produced on the basis
of this data.
2. Designation
2.1 The adjustment is according to the order which is
designated and which must be followed, according to the
plan which can be changed only on agreeing.
2.2. Power Adjustment: Free Voltage
2.3. Magnetic Field Condition: Nil.
2.4. Input signal Unit: Product Specification Standard
2.5. Reserve after operation: Above 30 Minutes
2.6. Adjustment equipments: Pattern Generator (801GF,
MSPG925F), DDC Adjustment Jig equipment
3. Adjustment
3.1 Adjustment Details
The machine can be adjusted by itself automatically
but even for self -adjustment it needs someone to
operate it.
3.2 Auto Gain/Offset adjustment
3.2.1 RF Mode adjustment
3.2.1.1 Adjustment preparation
■Execution of RF no signal during Heat Run over
30min ..
3.2.1.2 Auto Gain/Offset adjustment
■Press IN-START Key by using the Remote Controller
(SVC), after converting to Adjustment Mode, Press
VOL+ Key consecutively in Scaler Auto gain menu.
(In case of RM Model, press INSTART key two times )
■ After adjustment is complete, pressing enter key,
stores and completes the process

ADJUSTMENT INSTRUCTION

3.2.2 Component Mode Adjustment
(Model: Only RT, RM Model which is possible to input Component signal )
3.2.2.1 Adjustment preparation
■Execution of RF no signal during Heat Run over 30min
■The component jack(Y,Pb,Pr) of LCD TV is connected
to Y, Pb, Pr Output Signal of Pattern Generator
(MSPG-925 SERISE))
3.2.2.2 Auto Gain/Offset adjustment
■ Convert to Component Mode in Input-Mode.
■ Select MODEL : 228 (480p Mode, Y : 100%, Pb/Pr :
75%) in Pattern Generator
Select PATTERN : 33 (Color Bar Pattern signal) in
Pattern Generator
(MSPG-925 SERISE)
■ Press IN-START Key by using the Remote Controller
(SVC), after converting to Adjustment-Mode, press
VOL+ Key consecutively in AutoGain Menu.
■ After adjustment is complete, pressing enter key,
stores and completes the process
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