Onkyo HT-R960 Service Manual page 103

DEBUG MODE-9
HDMI TROUBLESHOOT-3/3
HDMI HARDWARE TROUBLE
<Notes>
1. This trouble shooting map focuses on the HDMI hardware troubles.
For detailes, refer to TX-SR606 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.
Check video Latest version
version
Version is not
Old version
displayed
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 #76 of Q701.
Q8001 to Q701
It moves High -->
They must be "high"
Low --> High after
powerd ON.
HDMI no picture
or dropout trouble
Analog video
No
(V or S or Component)
is output at HDMI OUT?
Yes
HDMI IN2,
Only HDMI IN 1
IN3, IN4
no output
all no output
Path from
HDMI IN 1
Related pin of
HDMI IN 1
Q8162 is NG
terminal is NG
Q8501 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
OK
Confirm waveform
Replace
Replace
is viewable by
HDMI Board
Q8162
oscilloscope
NAHDM-9473
from HDMI IN 1
terminal to Q8501
Find out bad
part and
replace it
Main Device (IC)
Circuit No.
Q701
Q8001
Q8501
Q8162
Q8401
One of IN2, HDMI IN1,
IN3, IN4
IN2, IN3, IN4
no output
all no output
Path from the
Related pin of
Q8501 is NG
terminal to
Q8162 is NG
Q8162 is NG
One of IN 2, Check power
IN 3, IN 4 supply pin of
terminal is NG Q8501
OK NG
Replace the
terminal
Confirm waveform Resolder the pins Impossible to
is viewable by of the parts from the replace Q8501
oscilloscope terminal to Q8162
from the terminal
to Q8162
Replace
HDMI Board
NAHDM-9473
Function Description
Main microprocessor MPD70F3746
Video processor FLI30502
HDMI Receiver SiI9135
HDMI Switch SiI9185
HDMI Transmitter SiI9134
Up-conversion from
analog video to HDMI
is NG
Path from Q8401
Q8401 is NG HDMI IN1 to IN4
to HDMI OUT
are normally output
terminal is NG
Check power supply HDMI OUT
Q8001 is NG
pin of Q8401 terminal is NG
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
Check the power Change HDMI
is viewable by
supply circuit Board
oscilloscope from
for Q8501 NAHDM-9473
Q8401 to the terminal
Find out bad part
and replace it
TX-SR606
Display HDMI
DEBUG MODE
Check Information
on FL display
Path from
Refer 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 waveform
power supply
is viewable by
circuit for Q8001
oscilloscope from
Q8001 to Q8401
Find out bad part
and replace it