Sony X850E Series Service Manual page 39

FLOW
4-4. NO PICTURE (TUNER)
FOR DIGITAL TUNING 1
Digital Tuning 1
For NA-ATSC(MX/UC)
/JP_SKP(Opticast)
Sound is normal?
No sound
Check part mounting condition
for digital data line
"IFOUT_N, IFOUT_P, IFAGC"
NG
Change NG parts
XBR-65/75X850E
For TW/LA-ISDB-T
NG
Confirm ANT or Cable connection
OK
Check IC1000 (SoC)
OK
Check SoC(IC1000) and Tuner module
Check Tuner module connection (CN2800)
Notes:
- Parts for IFOUT_N line : FB2801, C2807, C2826
- Parts for IFOUT_P line : FB2802, C2808, C2825
- Parts for IFAGC line : R2838, C2827
A
A : Insert correct signal in correct terminal.
TROUBLE SHOOTING
39