Sony XBR-55X850D Service Manual page 51

FLOW
4-4. NO PICTURE (@ TUNER)
FOR DIGITAL TUNING 1: @ TW, NA-ATSC(MX/UC), JP_SKP and LA-T2(COL)
For TW only
Confirm ANT or Cable connection
Check part mounting condition for digital data line
XBR-55X850D/855D/857D, 65X850D/855D/857D, 75X850D/855D/857D
Digital Tuning 1
NG
For all tuners except TW
A
OK
Sound is normal?
No sound
"IFOUT_N, IFOUT_P, IFAGC"
NG
Change NG
parts
Note:
- Parts for IFOUT_N line: R6007, FB6002, C6008, R6327, C6301, R6301.
- Parts for IFOUT_P line: R6008, FB6003, C6009, R6326, C6300, R6300.
- Parts for IFAGC line: R6072, R6009, R6010, R6069, C6302, R6303.
A
Check IC1000 (SoC)
OK
Check SOC(IC1000) and
Tuner module
TROUBLE SHOOTING
: Insert correct signal in correct terminal.
51