Sony KD-43X7 F Series Service Manual page 33

2018/05/04 04:12:02 (GMT+09:00)
3.8.1 NO PICTURE: TUNER (for Analogue , Digital and Satellite)
RF input no picture / noisy picture
Check RF source cable
and antenna, OK?
OK
Check Tuner power line:
3.3V at CL1000 = 3.3V?
1.8V at CL1001= 1.8V?
OK
Tuning for Analog, Digital or
Satellite?
Refer Analog Tuning
NG
Change RF cable and antenna
For 1.8V Please refer DDCON
troubleshooting (2a)
NG
For 3.3V Please refer DDCON
troubleshooting ( 2a)
Digital
For TW-DVB ,
AM-ATSC, LA-ISDB & EU-
DVB only.
Refer Digital Tuning 1
Satellite
NG
Check Tuner power line
12V line at CL1006 = 12V?
OK
For EU-T2S2, PA-T2,
HK-DTMB, LA-T2
& PA-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)
33
SYS SET