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LG 42LN549D Service Manual page 14

Chassis : lb3ax

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* 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(ex 32LV2510-TB) or Serial
number like photo.
4) Check the model name Instart menu. → Factory name
displayed. (ex 32LV2510-TB)
5) Check the Product/Service Info.(Menu Key → Red Key →
Select Product/Service Info.) → Buyer model displayed
(ex 32LV2510-TB)
4.5. Outgoing condition Configuration
■ When pressing IN-STOP key by Service remote control,
Red LED are blinked alternatively. And then automatically
turn off. (Must not AC power OFF during blinking)
5. Check Commercial features
5.1. External SPK Out and Volume control
(1) Connect external speaker to speaker out port with phone
jack on TV side as below.
(2) Check the Max. speaker output is 1W or not. Sine wave
with 1KHz will be displayed.
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5.2. IR Out
5.2.1. In using Commercial Check Jig
(1) Check the LED for IR-Out inspection.
* Please refer to the criteria of Judgement.
5.2.2. In using Mini check Jig
(1) Connect JIG for inspection to RS-232C port on TV as
below.
(2) Check the LED for IR-Out inspection.
* Please refer to the criteria of Judgement.
- 14 -
LGE Internal Use Only

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