Sony KDL-43W950C / KDL-50FA95C / KDL-50FA97C / KDL-50W950C Service Manual ▷ View online
CN5601
IC1000
R5611
R5602
R5603
R5603
RB5605, RB5606,
RB5600,RB5601
69
BMX-A side
HDMI3
HDMI3
Troubleshooting
No Picture
Check other
HDMI input
Other Input is OK
All Inputs
are NG
are NG
Check Picture by other TV set
which is same model
Reference TV
set
NG
Check Source equipment
by Reference TV set
(For example, RB1)
Check the below point at
Connector side
・
Check +5V line
・
Check HPD line
・
Check DDC lines
・
Check TMDS lines
Replace
R5614
Only DDC
lines
are NG
are NG
Only TMDS
lines
are NG
are NG
All
lines
are
are
NG
Check the settings of
Source equipment
Target board &
other TV set
both NG
Other TV set
OK
Is Distributor used ?
NO
Y
E
S
Connect Source
equipment directly
Reference TV Set OK
Replace
R5607,R5608
Replace
CN5602
Replace
RB5607,RB5608,RB5612,
RB5613
NG
NG
NG
Replace
IC1000
Only +5V line
is NG
Spec:4.7~5.3V
is NG
Spec:4.7~5.3V
+5V line is OK
and HPD line
is NG
Spec:2.4~5.3V
and HPD line
is NG
Spec:2.4~5.3V
Change B-Board.
And inform the designer of it
Replace IC1000 (SoC).
And inform the designer of it
70
3-4-8. NO PICTURE: HDMI4
Troubleshooting
CN5602
IC1000
R5614
R5608
R5607
R5607
RB5607, RB5608,
RB5612, RB5613
71
BMX-A side
HDMI4
HDMI4
Troubleshooting
72
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
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