Sony KDL-50W7 C Series, Service Manual, Page: 64 / 97

64
No Picture
Check voltage at
MHL sense,
R5445
Spec:High:2.0~5.3V
Low:0.8~2.0V
High
Low
NG
Check Source equipment
by Reference TV set
(For example, Samsung TV(UN46ES7000)
, Toshiba TV(42WL863), RB1, RB2)
Check TMDS(D0+/D0-) lines
at connector side
NG (No communications)
Replace
R5443, R5444
Check the settings of
Source equipment
Low (< 2V)
Inform the designer
of it
OK
Check DDCCLK,
at R5424
Check R5409 (47k )
Replace
R5409
Change
MHL cable
OK
High
Check HDMI picture
in this input
OK
NG
Check “NO PICTURE
– HDMI” flow
Replace IC1000 (SoC).
And inform the designer of it
Check HDMI_0_HPD_CBUS
at connector side
NG (No
communications)
OK
OK
D5404
Replace
D5404
NG
(Open)
NG
(Open)
Replace IC1000 (SoC).
And inform the designer of it
3-4-9. NO PICTURE: MHL (BMX)
Troubleshooting