2-23
3-14. A/C Head Tilt Adjustment
SPEC curl does not appear on tape edge
Lower limit at T3 post
ADJ. SCREW A, G (A/C Head)
MODE PLAY
TAPE Blank tape (The long time correspond
model use long time recorded tape)
TOOL VFK1148, VFK1178 (Hex Driver)
1. Play back the tape and adjust screw (A) for
adjustment of tilt of A/C Head so that the tape
path has lower limit without curl at T3 post.
2. To adjustment, loosen the screw (G) and make
curl on tape at lower flange of T3 post by screw
(A). And tighten screw (A) accordingly for find the
point of curl disappeared. After finish adjustment
for screw (A), tighten the screw (G) is tightened
with 10cN-m (1.0Kg/cm) of torque.
NOTE :
1. In case of turn clockwise screw (A).
→ Tape goes up at T3 post.
In case of turn counter-clockwise screw (A).
→ Tape goes down at T3 post.
2. When screw adjustment finished, with each
adjustment screw on A/C Head should be
finished tighten direction. And confirm that the
screw does not loosen.
3. Adjust and confirmation should be performed
alternately with each A/C head adjustment
(Azimuth and Height).
3-15. A/C Head Height Adjustment
SPEC See below
TEST
POINT
CUE AUDIO : CTL:
Refer to item “2. Table of Test Point”
ADJ. SCREW B, H (A/C Head)
MODE See below
TAPE NTSC : VFM3580KM or VFM3580KL
(14 to 22min)
PAL : VFM3680KM or VFM3680KL
(14 to 22min)
TOOL VFK1150 (Nut Driver)
VFK1190 (Hex Wrench)
(Classified list for height)
TYPE Model
A AJ-D440, AJ-D450, AJ-D640, AJ-D650,
AJ-D750, AJ-D850
B AJ-D200, AJ-D210, AJ-D215, AJ-D400,
AJ-D700, AJ-D700A, AJ-D800, AJ-
D800A,
AJ-D810, AJ-D810A, AJ-D610
C AJ-D220, AJ-D230, AJ-D230H, AJ-D250,
AJ-LT75, AJ-LT85
D AJ-DE77, AJ-D780
E AJ-D940, AJ-D950, AJ-D950A
F AJ-D90, AJ-D900W, AJ-D900WA,
AJ-D910WA, AJ-PD900W, AJ-PD900WA
G AJ-D92, AJ-D94, AJ-D95DC
(Classified list of specification)
TYPE Spec. for CUE Spec. for CTL
A, D, E C1, C2 ≥ 1.8 V
B, F A = Amax C1, C2 ≥ 220 mV
C, G C1, C2 ≥ 160 mV
(VTR mode)
TYPE VTR mode
A, B, C PLAY
D FWD X1.0 (SHTL)
E, F, G 25M mode PLAY
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