42PC5RV-TB (CHASSIS:PP78A) - LG TV Service Manual (repair manual). Page 10

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- 10 -
(10) 
Hex 
" open " 
(11) 
OK
(12) 
(13) 
" No acknowledge from slave "
(1)
7. Channel memory 
7-1. 
vctp(IC500)
7-2. 
(1) PC
(2) Visual IIC 
(3) Download jig
7-3. 
7-4. 
(1) IC 
: VCTP 
IC500
(2) 
: 3.3V
(3) SCL : 15pin
(4) SDA : 12pin
(5) Tact time : 
3
7-5. 
(1) 
download jig 
D-sub 
(2) 
PC
‘Channal.vi2c’ 
(3) 
change 
Channel memory data
(4) 
OK 
=> 
(Ackn. 
Cyan 
OK 
(5) 
Update NVM 
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