Appendix - Onkyo TX-NR545 Service Manual

1
Operation Check
About Button Action
Use the following expression simplify description button operation.
D
Example-1 : [TV/CD] + [ON/STANDBY] → [BD/DVD]
Means press and hold [ON/STANDBY] while pressing [TV/CD] button, then press [BD/DVD]
button.
Example-2 : [DISPLAY] + [ON/STANDBY] x 2 → [DIMMER] or [RT/PTY/TP]
Means press and hold [ON/STANDBY] button two times while pressing [DISPLAY] button, then
press [DIMMER] or [RT/PTY/TP] button.
C
How to check MAIN Checksum
[DISPLAY] + [ON/STANDBY] x 2 → [MEMORY]
How to check FL Tube and LED Operation
[TV] + [ON/STANDBY] → [DIMMER] or [RT/PTY/TP]
How to check Output Sensor & Temperature Sensor
[DISPLAY+ [ON/STANDBY] x 2 → [TONE]
B
[例] 001 042 F:x S:H
Power supply change in the amplifier section
H:High voltage, L:Low voltage
The state of the cooling fan
x:STOP, L:LOW SPEED, H:HIGH SPEED
A
The temperature of the thermal sensor
The level of VOLH
1
2 3
2 3
4
Initial Setting for Shipping
(Service Information is also cleared.)
Step1
Set the volume level as 25. (TX-NR545/646/DTR-20.7/30.7)
Set the volume level as 30. (TX-NR747/DTR-40.7)
Step2
[TONE] + [ON/STANDBY] → [Return] x 2
Display "All Clear" of FL tube and AVR goes standby.
Step3
Unplug the power cord
4
5 6

Appendix

TX-NR545/646/747
DTR-20.7/30.7/40.7
5 6
D
C
B
A