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
TROUBLE SHOOTING
1. Power-up boot check
Check stand-by Voltage.
L413 : +3.5V_ST
Main B/D 3.5V Line
Short Check
Check X101 clock
24 MHz
Replace X101
Check P401 PWR_ON
1pin : 3.3V
Check PSU DC Voltage
P401_5,6,7,8 pin : 13.2V
Replace PSU
Check Inverter Control
P401_11pin : High
Check Power Board or Module
Check DC Output Voltage
IC400 : 1.15V+5V / IC404 : 1.5V
Q406 : 3.3V
Replace IC400, IC404, Q406
Check Micom Voltage
L206 : +3.3V (AVDD_NODIE)
Replace L206
Check LVDS Power Voltage
Q405 : 13.2V
Replace Q405
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board
Change Module
ok
ok
ok
ok
ok
ok
ok
ok
No
No
ok
Replace IC405 (DCDC)
ok
No
No
No
No
No
No
No
Re-download software.
(IC102, IC1300)
Main B/D 3.5V Line
Short Check

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