Integra DTR-30.1 Service Manual page 65

Q Q
3 7 6 3 1 5 1 5 0
DEBUG MODE-9
HDMI TROUBLESHOOT-3/3
HDMI HARDWARE TROUBLE
HDMI no picture
or dropout trouble
Check video
version
Version is not Latest
Old version
displayed version
T E
L 1 3 9 4 2 2 9 6 5 1 3
Update to the
Interface of
Q701 is NG Q8001 is NG
latest version
Q8001 and
Q701 is NG
Check the Check power
Impossible to
power supply supply pin of
replace Q8001
pin of Q701 Q8001
OK NG
Change HDMI
Check +3.3V Check power
Replace
Board
power supply supply circuit
Q701
NAHDM-9473
circuit for Q8001
Resolder the pins
Check RESET pin
Check P-OFF pins
of the parts from
#14 of Q701.
#18 and #98 of Q701.
Q8001 to Q701
It moves High -->
They must be "high"
Low --> High after
powered on.
w w w
.
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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 IN4, IN5
Only HDMI IN 1,
and
IN 2 or IN 3
FRONT HDMI
no output
all no output
Path from
Related pin of HDMI IN 1
HDMI IN 1
Q8162 is NG
Q8501 is NG terminal is NG
terminal to
Q8501 is NG
Replace Resolder the Check the
Impossible to
HDMI IN 1 pins of the parts power supply
replace Q8501
terminal from HDMI IN 1 pin of Q8162
terminal to Q8501
Confirm waveform
Replace
Replace
is viewable by
HDMI Board
Q8162
oscilloscope
BAHDM-0063
from HDMI IN 1
terminal to Q8501
Find out bad
part and
replace it
x a o u 1 6 3
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8
One of HDMI
HDMI IN1 to
IN4, IN5 and
IN5 all
FRONT HDMI
no output
no output
Path from the
Related pin of
Q8501 is NG
terminal to
Q8162 is NG
Q Q
Q8162 is NG
3 7 6 3 1
One terminal Check power
of HDMI IN4, supply pin of
IN5 and Q8501
FRONT HDMI
OK OK NG
is NG.
Replace the
terminal
Resolder the pins
of the parts from
the terminal to
Q8162
Impossible to Check the power
Confirm waveform
replace Q8501 supply circuit
is viewable by
for Q8501
oscilloscope
from the terminal
to Q8162
Replace
Find out bad part
HDMI Board
and replace it
BAHDM-0063
c o
.
2 4
9 9 8
Main Device (IC)
Circuit No. Function
Q701 Main microprocessor
Q8001 Video processor
Q8501 HDMI Receiver
Q8162 HDMI Switch
Q8401 HDMI Transmitter
Up-conversion from
analog video to HDMI
is NG
Path from Q8401
Q8401 is NG HDMI IN1 to IN5
to HDMI OUT
are normally output
terminal is NG
5 1 5 0 8 9 2 4 9
Check power supply HDMI OUT
Q8001 is NG
pin of Q8401 terminal is NG
NG OK
Replace the
Replace Q8401
terminal
Check the power Resolder the pins
Impossible to
supply circuit for of the parts from
replace Q8001
Q8401 Q8401 to the terminal
Confirm waveform
Change HDMI
is viewable by
Board
oscilloscope from
BAHDM-0063
Q8401 to the terminal
m
Find out bad part
and replace it
TX-SR607/DTR-30.1
2
9 9
Description
MPD70F3746
FLI30502
SiI9233ACTU
SiI9185ACTU
SiI9134
Display HDMI
DEBUG MODE
Check Information
on FL display
8 2 9 9
Path from
Refer to DEBUG
Q8001 to
MODE-5, 6
Q8401 is NG
According to each
remedy, solve the
problems
Check power
Resolder the pins
supply pin of
of the parts from
Q8001
Q8001 to Q8401
OK NG
Check the
Confirm that
power supply
waveform is
circuit for Q8001
viewable by
oscilloscope from
Q8001 to Q8401
Find out bad part
and replace it