Sony X850E Series Service Manual page 38

TROUBLE SHOOTING
FLOW
4-4. NO PICTURE (TUNER)
FOR ANALOG TUNING
Analog Tuning
For LA-ISDB(BR/AR), LA-T2(COL) and TW only
For Other destination
NG
Notes:
Confirm ANT or Cable connection A - Parts for IFOUT_N line : FB2801, C2807, C2826
- Parts for IFOUT_P line : FB2802, C2808, C2825
OK
- Parts for IFAGC line : R2838, C2827
A : Insert correct signal in correct terminal.
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 connection (CN2800)
Change NG parts
38
XBR-65/75X850E