42LD340H (CHASSIS:LA06G) - LG TV Service Manual (repair manual). Page 18

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10.3 b_LAN  Main board Check  
10.3.1 Overview   
It is LNET RF modem  & FTG card 
10.3.2 Equipment    
1) b_LAN Checker:  UTC-1000 (with Cable accessory) 
2) Computer(for test result monitoring) 
3) Connection JIG 
10.3.3 Equipnent connection map & b_LAN Check  
4) Check 
=========================================
1. Setting Procedure
1) Setting JIG
(1) Connect UTC-1000 Equipment to JIG device as a like left picture 
- Connection Line:  
UTC-1000 TOP1 <--> Game port(RJ21) 
-> TV-LINK CFG (Phone Jack)
UTC-1000 TOP2 <--> JIG 11pin Connection 
UTC-1000 RF1  <--> b_LAN RF IN 
UTC-1000 LAN  <--> PC LAN Port 
2. Working procedure
1) Connection
UTC-1000 LAN <--> PC LAN Port 
UTC-1000 TOP1 <--> Game port(RJ21) 
-> TV-LINK CFG (Phone Jack) 
UTC-1000 RF1 <--> b_LAN RF IN 
2) Power on JIG
3) Test Start
UTC-1000 TOP2 <--> JIG 11pin Connection 
4) Checking b-LAN MAC Address
Check whether it is same their address numbers or not  between B-LAN Label and on the pc address numbers. 
TOP1 
TOP2 
RF1 
Pow er 
TOP
AC
110V
UTC-1000 
LAN PORT
Computer LA N 
PORT 
b_LAN RF IN 
RJ12 
 
Phone Jack (2)
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