LG 55LF6000 Service Manual

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LGE Internal Use Only
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5.2. Option selection per country
5.2.1. Overview
(1) Tool option selection is only done for models in Non-USA
North America due to rating
(2) Applied model: LA43B/M Chassis applied to CANADA and
MEXICO
5.2.2. Country Group selection
(1) Press ADJ key on the Adj. R/C, and then select Country
Group Menu
(2) Depending on destination, select US, then on the lower
Country option, select US, CA, MX.
Selection is done using +, - KEY
5.2.3. Tool Option inspection
▪ Press Adj. key on the Adj. R/C, then select Tool option
* Tool option can be reconstructed by Software
6. GND and HI-POT Test
6.1. GND & HI-POT auto-check preparation
(1) Check the POWER CABLE and SIGNAL CABE insertion
condition
6.2. GND & HI-POT auto-check
(1) Pallet moves in the station. (POWER CORD / AV CORD is
tightly inserted)
(2) Connect the AV JACK Tester.
(3) Controller (GWS103-4) on.
(4) GND Test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, execute next process (Hi-pot test).
(Remove A/V CORD from A/V JACK BOX)
(5) HI-POT test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, GOOD Lamp on and move to next process
automatically.
6.3. Checkpoint
(1) Test voltage
- GND: 1.5KV/min at 100mA
- SIGNAL: 3KV/min at 100mA
(2) TEST time: 1 second
(3) TEST POINT
- GND Test = POWER CORD GND and SIGNAL CABLE GND.
- Hi-pot Test = POWER CORD GND and LIVE & NEUTRAL.
(4) LEAKAGE CURRENT: At 0.5mArms
7. AUDIO output check
7.1. Audio input condition
(1) RF input: Mono, 1KHz sine wave signal, 100% Modulation
(2) CVBS, Component: 1KHz sine wave signal (0.4Vrms)
(3) RGB PC: 1KHz sine wave signal (0.7Vrms)
7.2. Specification
No Item Min Typ Max Unit Remark
1 Audio practi-
cal max
Output, L/R
(Distor-
tion=10%
max Output)
9.0
8.5
10.0
8.9
12.0
9.9
W
Vrms
(1) Measurement
condition
- EQ/AVL/Clear
Voice: Off
(2) Speaker (8Ω
Impedance)
(3) 60LB6000-UH
2 Audio practi-
cal max
Output, L/R
(Distor-
tion=10%
max Output)
9.0
8.5
10.0
8.9
12.0
9.9
W
Vrms
(1) Measurement
condition
- EQ/AVL/Clear
Voice: Off
(2) Speaker (8Ω
Impedance)
(3)
8. Control Key Check UI
8.1. Test method
(1) Condition : Power Only Full White Mode
(2) When you check the operation of control key, appear the UI
such as below figure on TV Screen.
(3) In case of the model applied the joystick type control key
(xxLF56, xxLF55, xxLF60 and xxLF62), the UI Sequence is
CH+, CH-, Vol+, Vol-, Enter and TEST OK such as figure 1.
(4) In case of the model applied rotary switch type (xxLF640R-
NA KR only), the UI Sequence is Channel Up, Channel
Down, Volume Up, Volmue Down, Enter, Test OK, Input
Select and Power such as figure 2.

LG 55LF6000 Specifications

General

Screen shape	Flat
Response time	- ms
Display diagonal	55 \
Display brightness	- cd/m²
Native refresh rate	60 Hz
LED backlighting type	-
Supported video modes	1080i, 1080p
Display diagonal (metric)	139.7 cm
Screen format adjustments	16:9
Supported graphics resolutions	1920 x 1080 (HD 1080)
Motion interpolation technology	TruMotion 120 Hz
Annual energy consumption	97 kWh
Audio decoders	Dolby Digital
RMS rated power	20 W
Number of speakers	2
DVI port	No
DVI-D ports quantity	0
USB 2.0 ports quantity	1
Cables included	AC
Audio formats supported	AAC, AC3, EAC3, HE-AAC, MP2, MP3, PCM
Image formats supported	JPEG XR
Video formats supported	DIVX
Product color	Black
Panel mounting interface	400 x 400 mm
Power consumption (standby)	0.3 W
Package depth	175.3 mm
Package width	1331 mm
Package height	810.3 mm
Package weight	22770 g
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	254 mm
Height (with stand)	772.2 mm
Weight (with stand)	18370 g
Depth (without stand)	55.88 mm
Width (without stand)	1242 mm
Height (without stand)	718.8 mm
Weight (without stand)	17960 g