Panasonic AJ-YA120AG, Service Manual

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MECH-10
1-15. A/C Head Tilt Confirmation
TP
TP102: CUE AUDIO (RF_CUE Board)
MODE
PLAY
TAPE
VFM3580KM or VFM2580KL
M. EQ
Oscilloscope
SPEC.
A/Amax
≥
0.8
1. Confirm the screws (G) and (H) are tightened on
A/C head.
2. Play back the 6MHz CUE AUDIO portion of the
alignment tape.
3. Press the Tension Arm to the direction P as
shown in the figure 1-15-2. Confirm that the
fluctuation of output level is within the
specification as shown in figure 1-15-1.
Figure 1-15-1
Figure 1-15-2
1-16. A/C Head Height
Confirmation & Adjustment
TP
TP102: CUE AUDIO (RF_CUE Board)
TP2: CTL (A_PROC Board: Slot 2)
ADJ.
Screw B, H (A/C Head)
MODE
25M Mode PLAY
TAPE
VFM2580KM or VFM2580KL
TOOL
VFK1150A (5.5mm Nut Driver),
VFK1148A (1.5mm Hex Driver)
SPEC.
A/Amax
≥
0.95, C1, C2
≥
2.0 V
1. Press down and lift up the A/C Head lightly, and
confirm that the CTL and CUE output level is
within the specification. (Please refer to the figure
1-13-2 where to lift up and press down.)
2. If it is out of specification, adjust the height to
maximize the CUE output level by loosing the
screw (H) and turning the screw (B).
3. After adjustment, tighten the screw (H) and
confirm the condition.
4. A/C Head Height Adjustment should be done
alternately with Azimuth/X-Value Adjustment.
Figure 1-16-1
Figure 1-16-2
(When press the
Tension Arm.)
P