LG OLED55B7P Service Manual

B. Power error
Off when on, off while viewing, power auto on/off
Error?
N
Y
Check Power Off
Mode
Fix A/C cord & Outlet
and check each 2
phase out
Check A/C cord
Check for all 2- phase
power out
Check outlet
Replace Main B/D
CPU
Abnormal
(If Power Off mode
is not displayed)
Check Power B/D
voltage
Y
N
Replace Main B/D
Normal
voltage?
Replace Power B/D
Replace Power B/D
N
Y
Normal?
End
※ Caution
Check and fix exterior
of Power B/D Part
☞A10
☞A9
Established
date
Revised date
7/15
Error
symptom
Standard Repair Process
7
Status Power off List Explanation
Normal
"POWER_OFF_BY_REMOTE_KEY” Power off by REMOTE CONTROL
"POWER_OFF_BY_OFF_TIMER" Power off by OFF TIMER
"POWER_OFF_BY_SLEEP_TIMER" Power off by SLEEP TIMER
"POWER_OFF_BY_INSTOP" Power off by INSTOP KEY
"POWER_OFF_BY_AUTO_OFF" Power off by AUTO OFF
"POWER_OFF_BY_ON_TIMER" Power off by ON TIMER
"POWER_OFF_BY_RS232C" Power off by RS232C
"POWER_OFF_BY_RESREC" Power off by Reservated Record
"POWER_OFF_BY_RECEND" Power off by End of Recording
"POWER_OFF_BY_SW_DW" Power off by S/W Download
"POWER_OFF_BY_UNKNOWN" Power off by unknown status except listed case
Abnormal
"POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble
"POWEROFF_CPUABNORMAL" Power off by CPU Abnormal
* Please refer to the all cases which
can be displayed on power off mode.
Abnormal
1

LG OLED55B7P Specifications

General

Screen shape	Flat
Response time	- ms
Display diagonal	54.6 \
Display brightness	- cd/m²
Display technology	OLED
Motion interpolation technology	-
Product color	Silver
Panel mounting interface	300 x 200 mm
PC in (D-Sub)	No
RF ports quantity	1
HDMI ports quantity	4
USB 2.0 ports quantity	3
Consumer Electronics Control (CEC)	SimpLink
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0
Operating system version	3.5
Operating system installed	Web OS
Audio decoders	DTS, Dolby Atmos, DTS-HD
RMS rated power	40 W
High Dynamic Range (HDR) technology	Hybrid Log-Gamma (HLG)
Wi-Fi standards	Wi-Fi 5 (802.11ac)
AC input voltage	120 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.5 W
Package depth	228.6 mm
Package width	1450 mm
Package height	825.5 mm
Package weight	27000 g

Weight and Dimensions

Depth (with stand)	226 mm
Height (with stand)	760 mm
Weight (with stand)	20500 g
Depth (without stand)	48.3 mm
Width (without stand)	1229.4 mm
Height (without stand)	708.6 mm
Weight (without stand)	16200 g