Diagnostic Function
5 4 3
2
1
6
D
C
A
B
D
C
A
B
5 4 3
2
1
6
TX-SR393/TX-SR494
HT-R398 / HT-R495
Repair Process and How to Confirm
Confirmation of the protect cause
While NG channel is displayed, You can confirm the protect cause by following the step below.
1. Press th
e Enter button
2. The protect cause are displayed for 5 seconds.
Please check the around of those amplifier circuit and repair it.
Clear of NG CH information
After repair, you can clear NG CH information by following the steps below.
1. Press th
e On/Standby key while pressing the Enter key.
2. Display as in the right figure appears.
3. Unit goes i
nto Standby automatically after 5 seconds.
Self-diagnostic will start again at the timing of next power on. By this, You can
verify whether repair was properly or not.
If problem found after repair, please re-check the around of its circuit.
Cancel of Self-diagnostic
You can cancel this mode by clear operation (press Standby key while pressing CBL/SAT key).
After cancel this mode, receiver will be started as normal operation.
Manual Execution of Self-diagnostic
1. [DIMMER] + [ON/STANDBY] x 2
Main F
irmware Version will appear on the main unit’s display.
2. [SETUP] or [HOME]
Service Menu will appear on the main unit’s display
3. Setup & select channel for self-diagnostic by enter service mode to “AMPChDiag” Display as in
the right figure appears. Select channel by cursor Left & Right.
4. [STANDBY/ON]
Unit will go into standby.
5. [STANDBY/ON]
Unit will turn on. Then self-diagnostic will start automatically
Protected by current detection
Protected by DC Voltage detection
Clear of NG CH information
Manual Execution of Self-diagnostic
D E T . P R O T E C T : I
D E T . P R O T E C T : V
N G C H C L E A R
A m p C h D i a g : O f f
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