LG 32LY560M, Service Manual

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Only for training and service purposes
5. Manual Adjustment
5.1. ADC Adjustment
5.1.1. Overview
ADC adjustment is needed to find the optimum black level and
gain in Analog-to-Digital device and to compensate RGB
deviation.
5.1.2. Equipment & Condition
1) Adjust Remote controller
2) 801GF(802B, 802F, 802R) or MSPG925FA Pattern
Generator
- Resolution: 480i Comp1 (MSPG-925FA: model-209,
pattern-65)
- Resolution : 1024*768 RGB (Inner Pattern)
- Pattern : Horizontal 100% Color Bar Pattern
- Pattern level: 0.7±0.1 Vp-p
- Image
- or Inner pattern.
3) Must use standard cable
5.1.3. Adjust method
5.1.3.1. ADC RGB
1) Press the In-start Key on the ADJ remote after at least 1
min of signal reception. Then, select ADC Calibration. And
Press OK Button on the menu “Start”. The adjustment will
start automatically.
2) If ADC RGB is successful, “ADC RGB Success” is
displayed and ADC RGB is completed. If ADC calibration is
failure, “ADC RGB Fail” is displayed.
3) If ADC calibration is failure, after rechecking ADC pattern or
condition, retry calibration
5.2. EDID Download (EDID PCM)
5.2.1. Overview
▪ It is a VESA regulation. A PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
5.2.2. Equipment
(1) Since EDID data is embedded, EDID download JIG, HDMI
cable is not need.
(2) Adjust remocon
5.2.3. Download method
(1) Press Adj. key on the Adj. R/C.
(2) Select EDID D/L menu.
(3) By pressing Enter key, EDID download will begin
(4) If Download is successful, OK is display, but If Download is
failure, NG is displayed.
(5) If Download is failure, Re-try downloads.
※
Caution) When EDID Download, must remove RGB/HDMI
Cable
5.2.3.1. HD Model - 28/32LY560M-UA
■ HDMI1 HD 8BIT (C/S : 6F08)
EDID Block 0, Bytes 0-127 [00H-7FH]
EDID Block 1, Bytes 128-255 [80H-FFH]
■ HDMI2 HD 8BIT (C/S : 6FF8)
EDID Block 0, Bytes 0-127 [00H-7FH]
EDID Block 1, Bytes 128-255 [80H-FFH]