TROUBLESHOOTING
4.4 No Picture - Tuner
FOR DIGITAL TUNING 1: @ For TW,CH,HK,LA,PA
For LA (Dual ANT)
Confirm ANT or
Cable connection
NG
OK
A
Sound is normal?
Check part mounting condition
for digital data line
"IFOUT_N, IFOUT_P, IFAGC"
Change NG parts
Digital Tuning 1
For TW,CH,HK,PA
OK
No sound
OK
NG
IC1000 (SoC) defects
Check SoC(IC1000) and
Check Tuner module
Notes:
- Parts for IFOUT_N line : C3011
- Parts for IFOUT_P line : C3010
- Parts for IFAGC line
: R3003 ,R3024,
C3023
A
Insert correct signal in correct ANT terminal.
50
SYS SET