Sony KD-49X9 F Series Service Manual page 54

4.4 NO PICTURE: @ TUNER
Notes:
- Parts for IFOUT_N line : FB2801, C2807, C2826
FOR ANALOG TUNING: @ All destination except JP
- Parts for IFOUT_P line : FB2802, C2808, C2825
- Parts for IFAGC line : R2809,R2838, C2827
For LA-ISDB(BR/AR), LA-T2(COL) and TW only
A
: Insert correct signal in correct terminal.
Analog Tuning
NG
For Other destination
Confirm ANT or Cable connection A
OK
Can it preset broadcast?
OK
NG
Check IC1000 (SoC)
Check part mounting condition
for analog control line
OK
"IFOUT_N, IFOUT_P, IFAGC"
NG
Check IC1000 (SoC) &
Tuner module
Change NG parts
54