Error Indications - Pioneer VSX-1020-K Service Manual

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5.2 ERROR INDICATIONS

A Error Indications When an Abnormality in The Amplifier System is Detected
[Purpose]
Errors upon detection of abnormalities in the amp system are indicated.
[Error Indications]
Item FL Display
"AMP DC"
Flashing
("DC output from
"AMP ERR"
SP term")
B
for 3 seconds
detection
"AMP overload"
N/A
detection.
Flashing
"AMP
"Over Heat"
OVERHEAT"
detection.
for 3 seconds
C
"Abnormality DC
voltage of the
N/A
Digital power
supply" detection
"Over Current"
"USB Overload"
No Flashing
detection
"ADP
"BT Adapter
OVERLOAD"
overload"
No Flashing
detection.
D
Flashes
"HDCP of HDMI
"HDCP
Error"
ERROR"
detection
for 5 seconds
"Analog Input "OVER"
Over" Icon lights
detection 1 second
[How to Enter Release Mode]
E
During Standby mode, simultaneously press and hold the "TUNE ↓" and "MULTI-ZONE ON/OFF" keys for 5 seconds.
F
40
1
2
NG Detection
LED
Flashes Count. Method
XDCERR
MCACC
(Pin 80 of IC3004)
DC
LED
Detect "L"
XOLERR
iPod
OL
(Pin 71 of IC3004)
LED
Detect "L"
TEMPERR5
Center
(Pin 72 of IC3004)
Blue
STMP
LED Detect "H"
XVDDERR
(Pin 70 of IC3004)
PQLS DERR
Detect "L"
USB ERR
(Pin M3 of IC800)
N/A N/A
Detect "H"
BTOL
(Pin N3 of IC800)
N/A N/A
Detect "H"
Read Register
N/A N/A
value
DSP firmware
N/A N/A
Detect
VSX-1020-K
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Process After Detection
To detect high DC output from amplifier damage
(defect status).
1) Muting on, speaker relay off.
A process to protect speakers (for protection of
2) "AMP ERR" flashing
connected external devices).
3) Shutdown after 3 seconds.
For checking, refer to "How to enter release
4) "MCACC" LED flashing
mode" below.
5) Power on is not acceptable.
If the DC detection port become "H" for
3 seconds, the unit will returns to normal
condition automatically.
1) Muting on, speaker relay off.
To detect overloading (abnormal status) with
2) Shutdown immediately.
low-load driving or a short circuit of the speaker
3) "iPod" LED flashing
terminals (for protection of the amplifier).
4) Power on is acceptable.
1) Muting on, speaker relay off,
2) "OVERHEAT" flashing
3) Shutdown after 3 seconds.
To detect overheat of inner tempareture.
4) "Center Blue" LED flashing
5) Power on is acceptable after
1 minute.
1) Muting on, speaker relay off.
To detect the abnormality voltage of Digital
2) Shutdown immediately.
power supply circuit for the D-MAIN Assy.
3) "PQLS" LED flashing
4) Power on is acceptable.
1) Bass Power off
To detect the connected USB device is
2) Display "Over Current"
overload. (over 500 mA)
3) Power on is acceptable
1) Adapter port power off To detect the connected Blue Tooth Adapter
2) Display "ADP OVERLOAD" device is overload. (over 100 mA)
The monitor does not support HDCP type or
1) Display "HDCP ERROR" is in standby mode.
(Warning indication for HDMI Simplay)
While the Icon lights 1 second, To detect the over-input of the analog audio to
when there is no ANALOG INPUT the A/D converter.
OVER detection, the Icon stops When the Icon lights frequently, output level of
lighting and returns to normal the source equipment is high and a sound is
display. distorted. Turn on the Analog Att switch.
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Description / Remarks
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