Service Test Mode - Pioneer SX-LX70SW Service Manual

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6.2 SERVICE TEST MODE

A
1. Configuration and conditions at check
• During the service test mode, an emergency shutdown operation is not executed even if any of the errors described below in
"5. Contents of failures" occurs. (Errors are neglected.)
• In the normal mode, even if an emergency shutdown due to detection of any failure described below occurs, POWER ON is
enabled within one minute.
2. How to enter the service test mode
Immediately after the power is turned off (within 5 seconds after the "-OFF-"display goes out), keep pressing the INPUT
SELECT and POWER buttons on the Display unit for 5 seconds.
B
[When it is unable to enter the service mode by the way above] (When HDMI control is Control Off.)
Once unplug the power cord. While keeping pressing the INPUT SELECT and POWER buttons on the Display unit, plug in
the power cord again, then hold keeping pressing both buttons for 5 seconds.
3. Operation at the time of getting in the service test mode
The function is set to HDMI1 and the power is automatically turned on.
• Depending on the operation before entry, whether the power is normally turned off or an emergency shutdown due to
detection of a failure was executed, the FL display shows differently as follows:
• To obtain the output for Multi-CH, set the listening mode to the Ext.Stereo (5chStereo) mode.
[FL Display]
C
FL display
P o w e r
FL display
V o l
FL display
[After shutdown due to EEPROM failure]
FL display
S Y S
FL display V o l
D
FL display
FL display
S A T
FL display V o l
FL display
E
* To exit the service mode, turn the POWER OFF.
* When the service test mode is exited, only the above failure-related RAM is initialized.
(User settable RAM is not initialized.)
• When an EEPROM failure of DSP occurs, "DSP BackUpERR" is displayed in 15 seconds after the power is turned on.
[In the case of EEPROM failure of DSP]
FL display
P o w e r
FL display V o l
FL display
D S P
F
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1
2
* Power on display
O n
* Last volume
u m e 2 0
* HDMI1 function
H D M I 1 S E R V
B a c k U p E R R
u m e 2 0
H D M I 1 S E R V
B a c k U p E R R
u m e
2 0
H D M I 1 S E R V
O n
u m e 2 0
B a c k U p E R R
2
3
[After shutdown due to detection of overcurrent]
FL display
FL display
FL display
[After shutdown due to detection of abnormal temperature]
FL display
FL display
FL display
SX-LX70SW
3
4
O C E r r o r
V o l u m e 2 0
H D M I 1 S E R V
O v e r T e m p
V o l u m e 2 0
H D M I 1 S E R V
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