Sony XBR-55X900H Service Manual page 61

2021/04/27 23:25:57 (GMT+09:00)
4.4 No Picture Tuner
FOR DIGITAL TUNING 1: @ For TW, NA-ATSC(MX/UC)
NG
SAFETY NOTES
*1
, CH/HK, LA, PA
Digital Tuning 1
For LA (Dual ANT)
Confirm ANT or Cable connection
OK
A
Sound is normal?
Check part mounting condition
for digital data line
"IFOUT_N, IFOUT_P, IFAGC"
Change NG parts
SELF DIAGNOSTIC FUNCTION
T R O U B L E S H O O T I N G
For TW,NA-ATSC(MX/UC) *1 ,
CH/HK, PA
OK
No sound
OK
NG
TROUBLESHOOTING SERVICE ADJUSTMENT
Notes:
- Parts for IFOUT_N line : R3001, R3013, C3011
- Parts for IFOUT_P line : R3000, R3012, C3010
- Parts for IFAGC line : R3260 ,R3040, C3004
A
: Insert correct signal in correct ANT terminal.
*1:except US ATSC3.0, Please refer Digital Tuning 2
Check IC1000 (SoC)
Check SoC(IC1000) and
Check Tuner module
DIAGRAM
61
HANDLING GUIDE
SYS SET