47LD500 LC470WUH-SCR7 - LG TV Service Manual (repair manual). Page 25

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CONFIDENTIAL – DO NOT COPY 
Page 6-2
 
File No. SG-0362
 
 
J3
 
C
ONNECTION
 [JTAG INTERFACE] 
 
Pin 
Description 
1 AV33 
2 TVTREF#1 
3 GND 
4 JTRST# 
5 GND 
6 JTDI 
7 GND 
8 JTMS 
9 GND 
10 JTCK 
11 GND 
12 Pull 
High 
AV33 
13 GND 
14 JTDO 
15 GND 
16 N.C. 
17 GND 
18 JTAG 
DBGRQ 
19 GND 
20 JTAG 
DBGACK 
 
 
J4
 
C
ONNECTION 
[Main BD to LED Logo] 
 
Pin 
Description 
5VSB
 
WHITE
 
AMBER
 
 
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