Akai AX-M430 Service Manual

3-2. ADJUSTMENT OF THE TAPE GUIDE
HEIGHT (TAPE Il)
TAPE GUIDE(C)
TAPE GUIDE (A) TAPE GUIDE(B)
TAPE GUIDE (B) HEIGHT
TAPE GUIDE (A) HEIGHT
ADJUSTMENT(@) NUT
ADJUSTMENT® NUT
Fig. 3-3
1) Load the MIRROR CASSETTE TAPE (AJ-751178) and
engage the FWD PLAY mode.
2) Adjust TAPE GUIDE (A) HEIGHT ADJUSTMENT &
screw so that both spaces (A and A’) on the TAPE
GUIDE (A)are equal.
3) Adjust TAPE GUIDE (B) HEIGHT ADJUSTMENT ®&
screw so that both spaces (B and B’) on the TAPE
GUIDE (B)are equal.
4) Repeat above 2) and 3) until tape runs smoothly and
without any curls or wrinkle at the TAPE GUIDE (A), (B)
and (C).
5) After adjustment, paint-lock the adjustment @ and ®&
screw.
3-3. ADJUSTMENT OF THE PB HEAD AZI-
MUTH ALIGNMENT (TAPE 1)
PB HEAD AZIMUTH ALIGNMENT @) SCREW
Fig. 3-4
1) Connect the AC milli-voltmeters to L-ch. and R-ch of the
VCR/AUX OUT on the amplifier and connect oscillo
scope’s input CH-1 and CH-2 to output of the AC milli-
voltmeters.
2) Play back a 10 kHz(-15 dB), HEAD AZIMUTH ALIGN-
MENT test tape (AT-750778) and adjust © screw so
that the reading on the AC milli-voltmeters are at maxi-
mum and waveforms on the oscilloscope are in the
same phase.
3) After adjustment, paint-lock the adjustment @ screw
3-4. ADJUSTMENT OF THE REC/PB HEAD
AZIMUTH ALIGNMENT (TAPE I)
FWD AZIMUTH REV AZIMUTH
ALIGNMENT ALIGNMENT
@ SCREW ®screw
Fig. 3-5
1) Connect the AC milli-voltmeters to L-ch. and R-ch of the
VCR/AUX OUT on the amplifier and connect oscillo-
scope’s input CH-1 and CH-2 to output of the AC _ milli-
voltmeters.
2) Play back a 10 kHz (-15 dB), HEAD AZIMUTH ALIGN-
MENT test tape (AT-750778) and adjustment @ (FWD
PLAY) or © (REV PLAY) SCREW so that the eading
on the AC milli-voltmeters are at maximum and wave-
forms on the oscilloscope are in the same phase .
3) After adjustment, paint-lock the adjustment @ and 6
screws.
TTT
gig
sane
SERVICE
MANUAL
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Akai AX-M430 Specifications

General

Brand	Akai
Model	AX-M430
Category	Stereo System
Language	English