Sony XBR-55X900H Service Manual page 60

2021/04/27 23:25:57 (GMT+09:00)
4.4 No Picture Tuner
FOR ANALOG TUNING: @ All destination except JP
For LA only
Confirm ANT or Cable connection
NG
A
SAFETY NOTES
Analog Tuning
For Other destination
OK
Can it preset broadcast?
NG
Check part mounting condition
for analog control line
"IFOUT_N, IFOUT_P, IFAGC"
NG
Change NG parts
SELF DIAGNOSTIC FUNCTION TROUBLESHOOTING
T R O U B L E S H O O T I N G
Notes:
- Parts for IFOUT_N line : R3001, R3013, C3011
- Parts for IFOUT_P line : R3000, R3012, C3010
- Parts for IFAGC line
A
OK
Check IC1000 (SoC)
OK
Check IC1000 (SoC) &
Tuner module
SERVICE ADJUSTMENT
: R3260 ,R3040, C3004
: Insert correct signal in correct ANT terminal.
DIAGRAM
60
HANDLING GUIDE
SYS SET