No Picture Tuner (Analog, Digital, Satellite) - Sony KDL-32W6 E Series Service Manual

3f.3.1 No Picture Tuner (Analog, Digital, Satellite)
RF input no picture / noisy picture
Check RF source cable
and antenna, OK?
OK
Check Tuner power line:
3.3V at CL1001 = 3.3V?
1.8V at CL1002= 1.8V?
OK
Tuning for Analog, Digital or
Satellite?
Refer Analog Tuning
NG
Change RF cable and antenna
For 1.8V Please refer DDCON
NG
For 3.3V Please refer DDCON
Digital
For TW , LA-ATSC
(AM-ATSC(MX/UC) , TW-DVB,
AEP(STD) ) only
Refer Digital Tuning 1
troubleshooting (2a)
troubleshooting ( 2a)
Satellite
NG
Check Tuner power line
12V at CL1007 = 12V?
OK
For AEP-T2S2, EU-T2,
PA-T2, Cha and HK ,
LA-T2(COL) , LA-
ISDB, PH-ISDB only
Refer Digital Tuning 2
Check fuse F1000 continuity.
Part broken?
YES
Change part
Please refer DDCON 12V LNB
F1000
Voltage troubleshooting (2a)
OK
Problem solved?
NG
Change Tuner Module EU-T2S2(SUT-CE251ZP)
(Please refer page Assemble and Dissemble Tuner
Module)
Problem solved?
NG
Change B-board
NO
Done (End)
OK
Done (End)
41