Sony KD-55X8 G Series Service Manual page 83

4.4 No Picture Tuner
FOR DIGITAL TUNING 1: @ TW, NA-ATSC(MX/UC) and LA-ISDB-T.
Digital Tuning 1
Notes:
- Parts for IFOUT_N line : FB2801, C2807
- Parts for IFOUT_P line : FB2802, C2808
For TW/LA-ISDB-T
- Parts for IFAGC line : R2838, C2827
For NA-ATSC(MX/UC)
A : Insert correct signal in correct terminal.
NG
Confirm ANT or Cable connection A
OK
Sound is normal?
No sound
Replace main board
OK
Check part mounting condition
for digital data line
"IFOUT_N, IFOUT_P, IFAGC"
NG
NG
Check
OK
Change NG parts Replace main board
Tuner module connection (CN2800)
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