Ff, Rew Mode Tape Path Limit Confirmation; Screw Lock Tight Of A/C Head And T3, T4 Post; Confirmation Of Tape Damage For Long Playback - Panasonic DVCPRO HD AJ-HDC27VP Service Manual

4-26.FF, REW mode Tape Path Limit
Confirmation
SPEC
Each post limit shown in below figure
MODE
FF, REW
TAPE VFM3580KM or VFM3580KL
Tape Limit (Refer to figure 4-25)
Post Name
A
S5 Post OK
S4 Post
NG
(Tension Post)
S1 Post OK
T1 Post OK
T3 Post OK
T4 Post OK
1. Place unit into FF and REW mode and confirm the
each post limits is within the specification.
2. If out of specification, adjust the post height by
following the each adjustment procedure (Refer to
Table 4-22 on item 4-22)
4-28. Confirmation of Tape Damage for Long Tape Playback
<Confirmation procedure>
Confirmation mode
PLAY
Repeat operation CUE¨REV mode
(maximum speed at Pinch ON condition)
<Tape>
Long time L cassette (AJ-5P93LP : recorded tape)
Tape end portion
B C D E
OK OK NG NG
OK OK NG NG
NG NG NG NG
OK OK NG NG
OK OK NG NG
OK OK NG NG
4-27.Screw Lock Tight of A/C Head
and T3, T4 Post
<Screw Lock Tight of A/C Head>
Lock Tight Grew
Quantity
1. Fix the screw by the Lock Tight Grew after A/C
F
Head Adjustment as shown in figure below.
NG
2. Melt the grew before adjust each screws.
NG
NG
NG
NG
NG
<Screw Lock Tight of T3 and T4 Post>
Lock Tight Grew
Quantity
1. Fix the Nut by the Lock Tight Grew after T4 Post
Height Adjustment.
2. Melt the grew before perform adjustment.
Specification
Tape damage does not occurred on
tape at lower limit of T3 and T4
post.
MECH-22
SCREW A OTHER
SCREWS
1/3 of the 1/3 of the
screw screw
SCREW A OTHER
SCREWS
1/4 of the screw 1/4 of the screw
Tape Type
HD (100M)