Adjustment Instruction; Application Range - LG 34UM94 Service Manual

1. Application Range

This document is applied to LM94Q chassis 34" LCD Monitor
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 5 Minutes (Heat Run)
Temperature : at 25 °C ± 5 °C
Relative humidity : 65 % ± 10 %
Input voltage : 100 V~ 240 V, 50/60Hz
(6) Adjustment equipments: Color Analyzer (CA-210 or
CA-110), DDC Adjustment Jig equipment,
3. Main PCB check process
* APC - After Manual-Insult, executing APC
3.1. ADC Process
(1) 34UM95 doesn't need ADC process because it has only
digital input like DisplayPort and HDMI.
3.2. EDID Process
3.2.1. EDID Download
F/W includes default EDID for All input ports, aging on Mode If
AC ON, default EDID is automatically loaded to EEPROM.
Update serial number in EDID of HDMI1.
* Caution : Never connect HDMI Cable when execute NVRAM
Init and AC On at first for downloading HDMI EDID
automatically.
No Item
1 Manufacturer ID GSM
2 Product ID HDMI 1 : 30423
HDMI 2 : 30423
Display Port : 30424
Thunderbolt : 30427
3 Year 2013
4 Version 1
5 Revision HDMI : 3
DP : 4
6 Serial Number *
7 Week **
8 Model Name 34UM95
9 Check Sum ****
10 Special Item Need to Input Serial Number
** Protocol : DDC 2AB
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes

ADJUSTMENT INSTRUCTION

Content 16 Data
1E 6D
D7 76
D7 76
D8 76
DB 76
17
1
HDMI : 3
DP : 4
*
**
--
****
3.2.2. Data ( 128 Bytes )
- EDID Ver. 1.3 FOR HDMI 1 (256Byte)
- EDID Ver. 1.3 FOR HDMI 2 (256Byte)
- EDID Ver. 1.4 FOR Display Port (256Byte)
- 5 -
LGE Internal Use Only