Sony BRAVIA XBR-55X930D, Service Manual

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XBR-55/65X930D, 65X935D/937D, 75X940D
48
TROUBLE SHOOTING
FLOW
4-5. NO PICTURE (HDMI)
No Picture
Check other
HDMI input
Other Input is OK
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
R5517
Only DDC lines
are NG
Only TMDS lines
are NG
All lines are NG
Check the settings of
Source equipment
Target board & other
TV set both NG
Other TV set OK
Is Distributor used ?
NO
YES
Connect Source
equipment directly
Reference TV Set OK
Replace
CN5202
Replace
RB5229,RB5230
RB5211,RB5212
NG
NG
Replace
IC1000
RB5227,RB5228,RB5243,RB5244
RB5235,RB5236,RB5241,RB5242
Only +5V line
is NG
Spec:4.7~5.3V +5V line is OK
and HPD line
is NG
Spec:2.4~5.3V
Change B-Board.
And inform the designer of it
Replace IC5212 (HDMI EQ)
And inform the designer of it
All Inputs are NG
Check voltage
a Pin104 of IC5212
Voltage NG
Spec:2.7~3.6V
Voltage OK
Replace
IC5212(HDMI EQ)
Replace IC5212
(HDMI EQ)
(2) HDMI2