LG OLED55C6P User Manual

Standard Repair Process Detail Technical Manual
Voltage and speaker checking method
when there is no audio
C. Audio error_No audio/Normal video
A12
Established
date
Revised
date
Error
symptom
Content
A12
②
24Pin(Power Board ↔ Main Board)
1
GND
2
GND
3
24V
4
24V
5
24V
6
24V
7
GND
8
12V_ON
9
12V
10
GND
11
12V
12
12V
13
12V
14
12V
15
GND
16
GND
17
3.5V
18
3.5V
19
3.5V
20
GND
21
PDIM#1
22
PDIM#2
23
PWR ON
24
INV CTL
Checking order when there is no audio
① Check the contact condition of or 24V connector of Main Board
② Measure the 24V input voltage supplied from Power Board
(If there is no input voltage, remove and check the connector)
③ Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the
GND and output terminal, the speaker is normal.
1
SPK_R-_FT
2
SPK_R+_FT
3
SPK_L-_FT
4
SPK_L+_FT
5
SPK_R-_CT
6
SPK_R+_CT
7
SPK_L-_CT
8
SPK_L+_CT
①
③
②
OLED TV
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Only for training and service purposes
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LG OLED55C6P Specifications

General

Screen Type	oled
Wall Mount	400mm x 200mm
Tuner	digital
Screen Size	54.6 inches, 55 inches
Resolution	4k (2160p)
Refresh Rate	60hz
HDR	yes
Built-In Speakers	yes
Surround Sound	other
Speakers Output	40 watts
HDMI Ports	3
HDMI 2.1 Ports	0
USB Ports	3
RF Antenna	yes
Network	built-in wi-fi
Digital Optical Audio Outputs	1
Analog Audio Outputs	0
Component Video Inputs	0
Composite Video Inputs	1
DVI	0
SmartTV	webos
Streaming Services	netflix, youtube
Voice Assistant	other
Remote Control	universal
3D	yes
Power Consumption	212 kilowatt hours
Depth with Stand	7.5 inches
Height with Stand	30 inches
Width with Stand	48 inches
Net Weight with Stand	36.4 pounds
Depth without Stand	1.9 inches
Height without Stand	28.1 inches
Net Weight without Stand	29.1 pounds