DEBUG MODE-9
HDMI TROUBLESHOOT-3/3
TX-SR607/DTR-30.1
NOTE:
1. This troubleshoot focuses on the HDMI hardware troubles.
2. For details, refer to TX-SR607/DTR-30.1 Block Diagrams
and Schematic Diagrams.
3. Analysis written below is of typical cases.
So, more detailed check may need in actual cases
because of multiple hardware and software causes.
4. Before replace IC or pcb below, resolder the pins in order
to save resources.
5. As for DTR-30.1, the procedure below is the same as
TX-SR607 except model name.
HDMI HARDWARE TROUBLE
HDMI no picture
or dropout trouble
Check video
version
Old version
Version is not
displayed
Up-conversion from
analog video to HDMI
is NG
Display HDMI
DEBUG MODE
Only HDMI IN 1,
IN 2 or IN 3
no output
HDMI IN4, IN5
and
FRONT HDMI
all no output
One of HDMI
IN4, IN5 and
FRONT HDMI
no output
One terminal
of HDMI IN4,
IN5 and
FRONT HDMI
is NG.
HDMI IN1 to
IN5 all
no output
Q8401 is NG
Path from Q8401
to HDMI OUT
terminal is NG
HDMI IN1 to IN5
are normally output
Check Information
on FL display
Update to the
latest version
Q701 is NG
Q8001 is NG
Interface of
Q8001 and
Q701 is NG
Related pin of
Q8501 is NG
HDMI IN 1
terminal is NG
Path from
HDMI IN 1
terminal to
Q8501 is NG
Q8162 is NG
Related pin of
Q8162 is NG
Path from the
terminal to
Q8162 is NG
Q8501 is NG
Check power supply
pin of Q8401
HDMI OUT
terminal is NG
Q8001 is NG
Path from
Q8001 to
Q8401 is NG
Refer to
DEBUG
MODE-5, 6
According to each
remedy, solve the
problems
Check the
power supply
pin of Q701
Impossible to
replace Q8001
Check power
supply pin of
Q8001
Impossible to
replace Q8501
Replace
HDMI IN 1
terminal
Resolder the
pins of the parts
from HDMI IN 1
terminal to Q8501
Confirm waveform
is viewable by
oscilloscope
from HDMI IN 1
terminal to Q8501
Confirm waveform
is viewable by
oscilloscope
from the terminal
to Q8162
Confirm waveform
is viewable by
oscilloscope from
Q8401 to the terminal
Check the
power supply
pin of Q8162
Resolder the pins
of the parts from
the terminal to
Q8162
Resolder the pins
of the parts from
Q8401 to the terminal
Check power
supply pin of
Q8501
Replace Q8401
Replace the
terminal
Check RESET pin
#14 of Q701.
It moves High -->
Low --> High after
powered on.
Check P-OFF pins
#18 and #98 of Q701.
They must be “high”
Check +3.3V
power supply
circuit
Replace
HDMI Board
BAHDM-0063
Check power
supply circuit
for Q8001
Check the power
supply circuit
for Q8501
Check the power
supply circuit for
Q8401
Replace
Q8162
OK
OK
OK
NG
NG
OK
NG
Find out bad
part and
replace it
Find out bad part
and replace it
Find out bad part
and replace it
Replace the
terminal
Impossible to
replace Q8501
Replace
HDMI Board
BAHDM-0063
Confirm that
waveform is
viewable by
oscilloscope from
Q8001 to Q8401
Resolder the pins
of the parts from
Q8001 to Q8401
Latest
version
Impossible to
replace Q8001
Check power
supply pin of
Q8001
Change HDMI
Board
BAHDM-0063
Check the
power supply
circuit for Q8001
OK
NG
Resolder the pins
of the parts from
Q8001 to Q701
Find out bad part
and replace it
Q701
Q8001
Q8501
Q8162
Q8401
Circuit No.
Function
Description
Main microprocessor
Video processor
HDMI Receiver
HDMI Switch
HDMI Transmitter
MPD70F3746
FLI30502
SiI9233ACTU
SiI9185ACTU
SiI9134
Main Device (IC)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
