Sony KD-43X720E - 3.5.1 NO PICTURE: TUNER (for Analogue, Digital and Satellite)

Please refer DDCON 12V LNB
Voltage troubleshooting (2a)
3.5.1 NO PICTURE: TUNER (for Analogue , Digital and Satellite)
RF input no picture / noisy picture
Change RF cable and antenna
For 1.8V Please refer DDCON
troubleshooting (2a)
For 3.3V Please refer DDCON
troubleshooting ( 2a)
OK
OK
NG
NG
Refer Analog Tuning
Refer Digital Tuning 1
Digital
Check RF source cable
and antenna, OK?
Check Tuner power line:
3.3V at CL1000 = 3.3V?
1.8V at CL1001= 1.8V?
Tuning for Analog, Digital or
Satellite?
Check Tuner power line
12V line at CL1006 = 12V?
Satellite
Refer Digital Tuning 2
OK
30
For TW , LA-ATSC
(MX/UC) , LA-ISDB(BR) ,
PH_ISDB-T & AEP (STD) only
For AEP-T2S2, PA_T2,
CH and LA-T2(COL) only
Check fuse F1000 continuity.
Part broken?
YES
Change part
F1000
NO
Change Tuner Module EU-T2S2
(SUT-CE251ZP)
(Please refer page Assemble and
Dissemble Tuner Module)
Problem solved?
NG
Done (End)
OK
NG
Change B-board
Problem solved?
NG
Done (End)
OK