Sony XBR-49X835C, Service Manual

Page: 118 / 160

XBR-43X830C, 49X830C, 835C, 837C
118
TROUBLE SHOOTING
3-5-12. NO PICTURE: HDMI1
No Picture
Check other
HDMI input
Other Input is OK
All Inputs 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
Only +5V line
is NG
Spec:4.7~5.3V
Replace
R5515
+5V line is OK
and HPD line
is NG
Spec:2.4~5.3
V
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
JC5216, JC5217
RB5209, RB5210
NG
NG
Replace
IC1000
JC5227, JC5228, JC5235, JC5236
JC5241, JC5242, JC5243, JC5244
Change B-Board.
Replace IC5212
(HDMI EQ).
Replace IC5212
(HDMI EQ).
Change B-Board.
Change B-Board.
If you can do
component repair
If you can do
component repair