RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
26
Opening message/
オープニング表示
DIAG menu display/
ダイアグメニュー表示
After a few seconds
Version (1 alphabet)
When there is no history
of protection function
When there is a history of protection function:
When there is a history ofprotection
function due to excess current
Version (1 alphabet)
プロテクション履歴がある場合:
The FL display of the main unit displays the protection
function history data and the version (1 alphabet) and the
DIAG menu [sub-menu (ANALOG BYPASS) of DIAG
menu No.1 DSP THROUGH] a few seconds later.
When there is no history of protection function:
プロテクション履歴がない場合:
Cause: An excessive current flowed through the power
amplifier.
Supplementary information: As current of the power
transistor is detected, the abnormal channel can be
identified by checking the current detect transistor.
Turning on the power without correcting the abnormality
will cause the protection function to work immediately and
the power supply will instantly be shut off.
Note)
• Applying the power to a unit without correcting the
abnormality can be dangerous and cause additional
circuit damage.
• The output transistors in each amplifier channel
should be checked for damage before applying any
power.
• Amplifier current should be monitored by measuring
across the emitter resistors for each channel.
• Display provided when DIAG started
RX-V740/RX-V740RDS/DSP-AX740: When the monitor is
connected, DIAGNOSTIC MENU appears on its screen as
shown in the figure. (It remains on display until DIAG is
cancelled.)
●ダイアグ起動時の表示
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