Sony XBR-55X900H Service Manual page 70

2020/06/27 06:31:32 (GMT+09:00)
4.4 No Picture Tuner
FOR DIGITAL TUNING 1: @ For TW, NA-ATSC(MX/UC)
Confirm ANT or Cable connection
NG
A
SECTION 1
T R O U B L E S H O O T I N G
Digital Tuning 1
For LA (Dual ANT)
For TW,NA-ATSC(MX/UC)
OK
Sound is normal?
No sound
Check part mounting condition
for digital data line
"IFOUT_N, IFOUT_P, IFAGC"
NG
Change NG parts
SECTION 2
S E C T I O N 3
*1
, CH/HK, LA, PA
*1
,
CH/HK, PA
OK
OK
SECTION 3 SECTION 4
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
SECTION 5 SECTION 6
70
SYS SET