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Adjustment Instruction - LG RT-20LZ50 Service Manual

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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
(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) Power Adjustment: Free Voltage
(3) Magnetic Field Condition: Nil.
(4) Input signal Unit: Product Specification Standard
(5) Reserve after operation: Above 30 Minutes
(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
(1) Adjustment preparation
■ Execution of RF no signal during Heat Run over 30min.
(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 IN-START key two times)
■ After adjustment is complete, pressing enter key,
stores and completes the process.
3.2.2. Component Mode Adjustment
(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)
(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

ADJUSTMENT INSTRUCTION

- 10 -
*Option(PAL)
NO
ITEM
CONDITION
1
Side AV
No
2
SCART
Yes
3
PC
Yes
4
SideComp
No
5
16:9
No
6
200PR
No
7
Text
Yes
8
ACMS
Yes
1
HiDev
No
2
Hotel
No
3
Top
Yes
4
I II SAVE
Yes
5
Turbo Vol
No
6
China/Australia
No
REMARK
Option 1
No: Side AV Off
Yes: Side AV On
No: Component input
Yes: SCART input
No: PC Off
Yes: PC On
No: SideComp Off
Yes: SideComp On
No: ARC Off
Yes: ARC On
No: 100 Program
Yes: 200 Program
No: Text Off
Yes: Text On
No: ACMS On
Yes: ACMS Off
Option 2
No: HiDev Off
Yes: HiDev On
No: Hotel Off
Yes: Hotel On
No: Top Off
Yes: Top On
No: I II Save Off
Yes: I II Save On
No: Turbo Volume Off
Yes: Turbo Volume On
No: except below area
Yes: China, Australia

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