3f.3.3 For Digital Tuning 1 only – Only for AM-ATSC(MX/UC) , TW-DVB , AEP(STD) .– General Checking
3f.3.3 For Digital Tuning 1
Sound is normal?
OK
No sound
Check part mounting condition for digital data line
“IFOUTN1, IFOUTP1, IFAGC1”
NG
If UEC > 0
If UEC = 0
Confirm UEC of digital RF by Service mode
Digital Tuning 1
OK
Done (End)
Please re-upgrade Firmware
(PKG),
Check again Picture quality?
OK
NG
Channel can be lock?
Check part mounting condition for
digital control line
“M_SCL,M_SDA”
NG
OK
NG
OK
Change B-board
Problem solved?
OK
NG
Change Tuner Module
(Please refer page Assemble and
Dissemble Tuner Module)
Change B-board
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