LG 32LF550U-ZA User Manual

1
GND
2
KEY1
3
KEY2
4
3.5V_ST
5
GND
6
LED_R
7
IR
8
GND
9
SCL
10
SDA
Checking order
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.5V on the terminal 4.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog
Tester needle moves slowly, and defective when it does not move at all.
Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error_ No response in remote controller,
key error
A17
Established
date
Revised
date
①
②
③
④
P4600
< Sub Ass’y>
< Main Ass’y>
Error symptom
Content
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Only for training and service purposes
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LG 32LF550U-ZA Specifications

General

Screen Size	32 inches
Display Type	LED
Resolution	1366 x 768
Refresh Rate	50 Hz
HDMI Ports	2
USB Ports	1
Smart TV	No
Built-in Wi-Fi	No
Energy Rating	A+
Audio Output	10 W
Digital TV Standard	DVB-T2