1-20. A/C Head Height Confirmation
A ≥ 0.95 × Amax, C1, C2 ≥ 220mV
SPEC
TP505 CUE AUDIO (LCD BOARD)
TEST POINT
TP107 CTL (SERVO BOARD)
ADJUSTMENT SCREW B and H (A/C Head)
MODE
PLAY
TAPE
VFM3580KM, VFM3680KM
M.EQ
Oscilloscope
TOOL
VFK1150 (Nut Driver)
VFK1190 (Hex Wrench)
1. Playback the CUE portion (6kHz) of the
Alignment tape.
2. Press and Lift up to A/C Head lightly as
indicated as figure position, then confirm that
the CUE output level at TP505 does not
increased.
3. If increases CUE output, A/C Head Height
adjustment performed. And also confirm that
the CTL output level.
4. If adjust the height of A/C Head, Azimuth also
changed. Therefore adjust and confirm
alternately Height and Azimuth of A/C Head.
5. After screw (H) is tightened, height and tilt of
A/C
Head
are
confirmation of specification must be done
after tightening the screw (H).
changed.
Therefore
Press down
Portion
Lift up
Portion