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DEBUG MODE-9
HDMI TROUBLESHOOT(3/3)
HDMI HARDWARE TROUBLE
NOTE:
1. This trouble shooting map focuses on the HDMI hardware troubles.
For detailes, refer to TX-SR806 Block Diagrams and Schematic Diagrams.
2. Analysis written below is of typical cases. So, more detailed check may
need in actual cases.
3. Before replace ICs or pcb below, resolder the pins first to save resources.
Latest version
Check video
version
Version is not
Old version
displayed
Update to the
Q8200
Interface of
Q1016 MPU
latest version
FLI30336
Q8200 and
is NG
is NG
Q1016 is NG
Check the
Check power
Impossible to
power supply
supply pin of
replace
pin of Q1016
Q8200
Q8200
OK
NG
Change HDMI
Check power
Check +3.3V
Replace
Board
supply circuit
power supply
Q1016 MPU
NAHDM-9702
for Q8200
circuit
Check P-OFF
Check RESET
Resolder
pins
pin #14
the pins of
#18 and #76
of Q1016.
the parts
of Q1016.
It moves H -->
from HDMI IN1
They must be
L --> H after
to Q8501
"high"
powerd ON.
Confirm waveform
is viewable by
oscilloscope
from HDMI IN1
to Q8501
HDMI no picture
or dropout
trouble
Analog video
No
(V or S or Comp)
is output at
HDMI OUT ?
Yes
HDMI IN2,
Only HDMI IN1
IN3, IN4
no output
all no output
Related pin of
HDMI IN1
Path from
Q8162
Q8501 SII9135
terminal is
HDMI IN1
SII9185
is NG
NG
terminal to
is NG
Q8501 is NG
Check the
Impossible to
Replace
Resolder the
power supply
replace Q8501
HDMI IN1
pins of the parts
pin of Q8162
terminal
from HDMI IN1
terminal to
OK
Q8501
Confirm waveform
Replace
Replace
is viewable by
HDMI Board
Q8162
oscilloscope
NAHDM-9702
from HDMI IN1
terminal to Q8501
Find out
bad part and
replace it
Find out
bad part and
replace it
One of IN2,
HDMI IN1,
IN3, IN4
IN2, IN3, IN4
no output
all no output
Path from
Related pin
Q8501 SII9135
the terminal
of Q8162 is
is NG
to Q8162 is
NG
NG
Check power
One of IN2,
supply pin of
IN3, IN4
Q8501
terminal is NG
OK
NG
Replace the
terminal
Confirm waveform
Resolder the
Impossible to
Check
is viewable by
pins of the
replace Q8501
the power
oscilloscope
parts from
supply circuit
from the terminal
the terminal
for Q8501
to Q8162
to Q8162
Replace
HDMI Board
NAHDM-9702
Up-conversion
from analog
video to HDMI
is NG
HDMI IN1 to
Q8401 SII9134
Path from
IN4 are
is NG
Q8401 to HDMI
normally output
OUT terminal
is NG
Check power
Q8200
Path from
HDMI OUT
supply pin of
FLI30336 is
Q8200 to
terminal is NG
Q8401
NG
Q8401 is NG
Replace the
Replace Q8401
terminal
Impossible to
Check power
Check the
Resolder the
replace
supply pin of
power supply
pins of the
Q8200
Q8200
circuit for
parts from
Q8401
Q8401 to
OK
the terminal
Change HDMI
Confirm waveform
Check the
Board
is viewable by
power supply
NAHDM-9702
circuit for
oscilloscope
Q8200
from Q8401 to
the terminal
Find out
bad part and
replace it
TX-SR806/SA806
Display HDMI
DEBUG MODE
Check
Information
on FL
Refer
DEBUG
MODE-5,6
According to
each remedy,
solve the
problems
Resolder the
pins of the
parts from
Q8200 to
NG
Q8401
Confirm waveform
is viewable by
oscilloscope
from Q8200 to
Q8401
Find out
bad part and
replace it
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