Sony KD-43X7 F Series Service Manual page 39

3.8.3 FOR DIGITAL TUNING 1: For TW-DVB , AM-ATSC,LA-ISDB , EU-DVB only
Notes:
Digital Tuning 1
- Parts for IFOUTN1 line: FB1000,C1005,C1012
- Parts for IFOUTP1 line: R1030,
FB1001,C1006,C1013
- Parts for IFAGC1 line: C1014, R1010
-Parts for M_SCL line: C1004,R1049
-Parts for M_SDA line: C1003,R1048
NG
Check part mounting condition for
NG
Channel can be lock? digital control line
"M_SCL,M_SDA"
OK
OK
OK (but no picture)
Sound is normal?
Change NG parts
No sound
If UEC = 0
Check IC 5000(SoC)
Confirm UEC of digital RF by Service mode
(Change B-board)
If UEC > 0
NG
Check part mounting condition for digital data line
Change NG parts
"IFOUTN1, IFOUTP1, IFAGC1"
OK
Problem
Done (End)
solved?
OK
NG
Please re-upgrade Firmware (PKG),
NG
Check again Picture quality?
Change Tuner Module
(Please refer page Assemble and Dissemble Tuner Module)
OK
OK
Problem solved?
NG
Done (End)
Change B-board
39
SYS SET