100% working condition.We test the led strip before shipment ,so you can buy with confidence. 
Many TV models use various different sets of LED strips. 
Please check your original led strip model in your TV before ordering.

Item Specifics
New LED backlight bar
Material: Aluminum 
This price for 8pcs(4*A+ 4*B)
A+B=8LED(6V)   825mm  

LED Backlight  Strip  Model
LG INNOTEK DRT 3.0 42'' A TYPE
LG INNOTEK DRT 3.0 42'' B TYPE
6916L-1709B 6916L-1710B
6916L-1957E 6916L-1956E
6916L-1956A 6916L-1957A
6916L-1957B 6916L-1956B
6916L-1957C 6916L-1956C
6916L-1910A 6916L-1910A

Compatible  With  TV Models
42LF6200 42LB5300 42LB582V 42LY540H 42GB6310 42LF652V 42LB550V 42LB628V 42LB585V 42LB580V 42LB5800 42LY310CA 42LB563V 42LB561V 42LB5610 42LB551V 42LF561V 42LF5610 42LF580V 42LY320C 42LB570B-ZK 42LB570V-ZB 42LB570V-ZF 42LB572V-ZP 42LB580V-ZM 42LB580V-ZA 42LB580V-ZB 42LB580V-ZD 42LB582V-ZJ 42LB582V-ZG 42LB5610-ZC 42LB561V-ZC 42LB561V-ZE 42LB563V-ZT 42LB5500-ZA 42LB550V-ZA 42LB551V-ZC  42LB552V-ZA 42LB650V-ZA 42LB650V-ZN 42LB5850-ZM 42LB585B-ZM 42LB585U-ZM 42LB585V-ZM 42LB585V-ZA 42LB585U-ZB 42LB585V-ZB 42LB585V-ZD 42LF6500 42LB6200 42LB5550 42LB5500 42LF5500 42LF5800-UA 42LB5500-UC 42LB5800-UG 42LY340C-UA 42LB5600-UH 42LB570B-ZB 42LB561U-ZE 42LB561U-ZC 42LB561B-ZC 42LB582U-ZJ 42LB582B-ZJ 42LB5820-ZJ 42LB580U-ZB 42LB563U-ZT 42LB653V-ZK 42LB652V-ZA 42LB631V-ZL 42LB630V-ZA 42LB629V-ZM 42LB552U-ZA 42LB551U-ZC 42LB550U-ZA 42LB550B-ZA 42LB565V-ZQ 42LB565U-ZQ 42LB580U-ZM 42LB580B-ZM 42LX330C-UA 42LX530S-UA 42LF5600-UB 42LB5600-UZ  42LB5800-ZM 42LB572V-ZP 42LB572U-ZP 42LB570V-ZK 42LB570V-ZJ 42LB570U-ZK 42LB570U-ZJ 42LB570U-ZB 42LB5700-ZK 42LB5700-ZB 42LF5800 42LB6500-UM