LG 42PN4500 Service Manual page 7

USB DOWNLOAD(*.epk file download)
*
(1) Put the USB Stick to the USB socket
(2) Automatically detecting update file in USB Stick
- If your downloaded program version in USB Stick is Low,
it didn't work.
- But your downloaded version is High, USB data is
automatically detecting
(3) Show the message "Copying files from memory"
(4) Updating is staring.
(5) Updating Completed, The Multi-vision will restart
automatically.
(6) If your Multi-vision is turned on, check your updated
version and Tool option. (explain the Tool option, next
stage)
* After downloading, have to adjust TOOL OPTION again.
1) Push "IN-START" key in service remote controller.
2) Select "Tool Option 1" and Push "OK" button.
3) Punch in the number. (Each of models has their
number.)
4) Completed selecting Tool option.
HD/FHD
Tool option 1
Tool option 2
Tool option 3
Tool option 4
Tool option 5
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
42PN4500-TA
HD
24576
5392
3313
51398
10
3.1. ADC Process
3.1.1. ADC
■ Enter Service Mode by pushing "ADJ" key,
■ Enter Internal ADC mode by pushing "►" key at "5. ADC
Calibration"
* Caution : Using 'power on' button of the Adjustment R/C ,
power on Multi-vision.
* ADC Calibration Protocol (RS232)
NO Enter
Adjust MODE
Item Adjust 'Mode In'
CMD 1 A
CMD 2 A
Data 0
When transfer the
'Mode In',
Carry the command.
- Adjust Sequence
▪aa 00 00 [Enter Adjust Mode]
▪xb 00 40 [Component1 Input (480i)]
▪ad 00 10 [Adjust 480i Comp1]
▪aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
3.2. Function Check
3.2.1. Check display and sound
■ Check Input and Signal items. (cf. work instructions)
1) TV
2)AV (SCART/ CVBS)
3) COMPONENT (480i)
4) HDMI
5) PC Audio In
* Display and Sound check is executed
by Remote controller.
* Caution : Not to push the INSTOP KEY after completion if
the function inspection.
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ADC adjust
ADC Adjust
A
D
0 1
0 0
Automatically adjustment
(The use of a internal
pattern)
LGE Internal Use Only