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MIDI Check(Internal check item 7)
Just before start checking, connect "MIDI IN" and "MIDI OUT".
Hold down AMP/LINE Switch and WRITE Switch and turn on(?).
If there is no problem, the display shows "b1"(BANK LED).
Testing Cable
--------------------------------------------------------------------------------
(Testing Cable 1) PHONES Jack -> INPUTJack
[PHONES] (mini stereo) [INPUT](mono phone)
PHONE R --(100
Ω
)--+
|
PHONE L --(100
Ω
)--+-----> IN (TIP)
GND --------------------> GND (RING)
--------------------------------------------------------------------------------
(Testing Cable2) SEND Jack -> RETURN Jack
Attenuate to half the Voltage(Peak-Peak)
[SEND](phone) [RETURN](phone)
TIP ----(420(+-90)k
Ω
)----> TIP
GND ----------------------> RING
--------------------------------------------------------------------------------
End of TEST MODE instructions.
Содержание AX3000B
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