Adjustment Instruction - LG 37LV470S Service Manual

1. Application Range
This specification sheet is applied to all of the LCD TV with
LD12B chassis.
2. Designation
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
25 ºC ± 5 ºC of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep AC 100-240
V~, 50 / 60Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15.
In case of keeping module is in the circumstance of 0 °C, it
should be placed in the circumstance of above 15 °C for 2
hours
In case of keeping module is in the circumstance of below -
20 °C, it should be placed in the circumstance of above 15
°C for 3 hours.
[Caution]
When still image is displayed for a period of 20 minutes or
longer (especially where W/B scale is strong. Digital pattern
13ch and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
3. Automatic Adjustment
3.1. MAC Address
(1) Equipment & Condition
- Play file: Serial.exe
- MAC Address edit
- Input Start / End MAC address
(2) Download method
1) Communication Prot connection
Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port
2) MAC Address & CI+ key Download
- Set CI+ key path Directory at start Mac & CI Download
Program
- Com 1,2,3,4 and 115200(Baud rate)
- Port connection button click(1)
- Push the (2) MAC Address write.
- At success Download, check the OK(3).
- Start CI+ Download, Push the (4).
- Check the OK or NG.(5)
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

ADJUSTMENT INSTRUCTION

PCBA
PC(RS-232C)
RS-232C Po rt
3.2. LAN
(1) Equipment & Condition
Each other connection to LAN Port of IP Hub and Jig
A
(2) LAN inspection solution
LAN Port connection with PCB
A
Network setting at MENU Mode of TV
A
setting automatic IP
A
Setting state confirmation
A
-> If automatic setting is finished, you confirm IP and
MAC Address.
- 8 - LGE Internal Use Only