LG 22LN4500 (CHASSIS:LD31A) Service Manual ▷ View online
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4.5. DPM Operation check
■ Measurement Condition: 100~240V@ 50/60Hz
(1) Set Input to RGB-PC and connect D-sub cable to set -
RGB Mode.
Set Input to HDMI(with Input Label set to PC) and connect
HDMI cable to set - HDMI Mode
(2) Cut off H sync or V sync of signal.
(3) Check DPM operation refer to the below table.
■ HDMI DPM Operating condition
- Input Label: HDMI (PC&DVI Mode)
4.6. Model name & SW version & Adjust check
* Press the ‘Instart’ key of ADJ remote control.
4.6.1. Model Name& SW Version Check
1) Check ‘Model Name’.
2) Check ‘S/W Version’ (Refer to the IC Ver. in the BOM)
4.6.2. Adjust Check
1) Check ‘Country Group’
2) Check ‘Area Option’
3) Check ‘Tool Option’ (Refer to the BOM Comments)
4) Check ‘Adjust ADC[Comp&RGB]’ is OK.
5) Check ‘EDID[RGB&HDMI]’ is OK.
* After check all, Press the 'EXIT' key of ADJ remote control to
go out SVC menu.
4.7. Outgoing condition Configuration
* After all function test., press IN-STOP key by SVC Remote
control. And make Outgoing Condition.
Operating Condition
Sync(H/V) Video LED(SET) Wattage(W)
Power S/W On Sleep mode -
RGB, HDMI
Off/Off
Off
Amber
1
MHL Cable
HDMI & HDMI to DVI Cable
DPM
X
O
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TROUBLE SHOOTING
1. No Power
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2. No Picture
3. No Video - Digital TV
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4. No Video - Component
5. No Video - RGB
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