LG 37LK457C, Руководство по обслуживанию

Страница: 13 / 41

- 13 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
(3) Detail EDID Options are below
a. Product ID
b. Serial No: Controlled on production line.
c. Month, Year: Controlled on production line:
ex) Week : '01' -> '01'
Year : '2012' -> '16' fix
d. Model Name(Hex):
cf) TV set’s model name in EDID data is below.
e. Checksum: Changeable by total EDID data.
f. Vendor Specific(HDMI)
4.5. Model name & Serial number D/L
▪ Press "Power on" key of service remote control.
(Baud rate : 115200 bps)
▪ Connect RS232 Signal Cable to RS-232 Jack.
▪ Write Serial number by use RS-232.
▪ Must check the serial number at the Product/Service info..
(menu key -> red key -> select product/Service info)
4.5.1. Signal Table
CMD : A0h
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + ADH + ADL + ...+ Data_n
Delay : 20ms
4.5.2. Comand Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in EEPROM,.
4.5.3. Method & notice
(1) Serial number D/L is using of scan equipment.
(2) Setting of scan equipment operated by Manufacturing
Technology Group.
(3) Serial number D/L must be conformed when it is produced in
production line, because serial number D/L is mandatory by
D-book 4.0.
* Manual Download(Model Name and Serial Number)
If the TV set is downloaded by OTA or Service man, sometimes
model name or serial number is initialized.(Not always)
There is impossible to download by bar code scan, so It need
Manual download.
1) Press the "Instart" key of Adjustment remote control.
2) Go to the menu "6.Model Number D/L" like below photo.
3) Input the Factory model name or Serial number like photo.
4) Check the model name Instart menu. → Factory name displayed.
5) Check the Product/Service info..(Menu key → Red key →
Select product/Service info) → Buyer model displayed.
4.5.4. Outgoing condition Configuration
■ When pressing IN-STOP key by SVC remocon, Red LED
are blinked alternatively. And then automatically turn off.
(Must not AC power OFF during blinking)
4.6. Hi-Pot Test
Confirm whether is normal or not when between power
board's ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second.
MODEL NAME HEX EDID Table DDC Function
HD/FHD Model 0001 01 00 Analog/Digital
MODEL NAME MODEL NAME(HEX)
LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV)
EDID C/S data
HD
HDMI RGB
check sum
(Hex)
Block 0 E2 1C
Block 1
99 (HDMI1)
- 89 (HDMI2)
79 (HDMI3)
Input Model name(HEX)
HDMI1 67030C001000B82D
HDMI2 67030C002000B82D
HDMI3 67030C003000B82D
Adjust mode CMD(hex) LENGTH(hex) Description
EEPROM WRITE A0h 84h+n n-bytes Write (n = 1~16)
CMD LENGTH ADH ADL DATA_1 . . . Data_n CS DELAY