Read LG 42PA4900-ZE (CHASSIS:PD21A) Service Manual online
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5. Model name & Serial number Download
5.1. Model name & Serial number D/L
■ Press “Power on” key of service remocon.(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 signal test of customer sup-
port. (Refer to below).
5.2. 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 + LENGTH + ADH + ADL + Data_1 + … + Data_n
Delay : 20ms
5.3. Command 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 EEP-
ROM,.
5.4. 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 ADJ remote controller.
2) Go to the menu ‘5.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 Diagnostics (DTV country only) -> Buyer
model displayed
6. Touch Pen Operating check
(Pen touch model only)
(1) Press Pen mode hot key to insert check mode in POWER
ONLY condition.
(Green Pen mode key on center of remocon)
(2) Pen check mode : You can see a 2X5 matrix. (Checker
have to use right-hand.)
(3) 2X5 Matrix construction : When the screen is divided by
fixel in 16:9, matrix is applicable 14th,15th fixel in row, 3rd
~ 7th fixel in colume. And they are numbered from 1 to 10.
(TV & Jig Monitor is numbered samely.)
(4) When checker touched a box numbered 3 of Pen touch
TV, same box of JIG monitor blinks three times.
CMD LENGTH
ADH
ADL
DATA_1 ...
Data_n
CS
DELAY
No.
1
Adjust mode
EEPROM WRITE
CMD(hex)
A0h
LENGTH(hex)
84h+n
Description
n-bytes Write (n = 1~16)
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