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MX-J30/MX-J330/MX-J35R
@ Electrical Performance
| Output
deviation
1.With the recording and playback mechanism, load
the test tape(AC-514 to TYP I1),and set the
Adjustment of
recording and
Reference frequency
:1kHz and 10kHz
3.While recording and playing back the test tape in
TYP II ,adjust VR101 for LCH and VR201 for RcH
so that the output deviation between 1kHz and
10kHz becomes -1dB+2dB.
Measurement input
terminal
:OSC IN
bias frequency | playback side forward
confirm that the frequency is changed.
*Test tape
load the test tape (AC-514 to TYP I1),and set the
'TYP
AC-514
mechanism to the recording and pausing
*Measurement
conditions in advance.
terminal BIAS TP on | 3.Confirm that the BIAS TP frequency on the
P.C.board
P.C.board is 100kHz+6kHz.
Eraser current
(Reference
1.With the recording and playback mechanism,
load the test tapes(AC-514 to TYP IT and AC-225
*Recording and
playback side forward
value)
or reverse
to TYP I ),and set the mechanism to the recording
*Recording mode
and pausing condition in advance.
*Test tape
2.After setting to the recording conditions,connect
:AC-514 and AC-225
Measurement terminal
Both of the eraser
head
1MQ in series to the eraser head on the recording
and playback mechanism side,and measure the
eraser current from both of the eraser terminal.
2-31
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