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9-5 . TIME CO
DE HEAD
ADJ
U
ST
I
+) M
9-5-1 . Time Code
H
ead Tape-to-Head Contact Ad
j
ustment
Tool :
Alignment tape, RR5-3SB
V
TVM
o
r oscilloscope
P
reparation :
(1) Connect
the VTVM
o
r oscillo-
scope to TIME CODE O UT termi-
nal .
(2) Playback t he color-bar portion
o
f
t he alignment
tape .
(time
code output l evel is about -30
dB .)
A
d
j
ustment
p
rocedure :
(1)
L
oosen
t he
fixing
time code
h
ead about 1/4 turns .
(2) Insert α flatbrade 3mm screw-
driver into the
h
ole as shown
in
figure .
Ad
j
ust
the
time
code
h
ead
block
w
here
the
output i s
m
aximum
a
nd starting
to dec
r
ease .
(3) Set t
h
e t
im
e code head b
l
oc
k
on t he middle p ortion
o
f two
p oints and tighten t he fixing
screw .
BVU
-800 (
U
/C)/ΡΜ
screw
of
time co
d
e
o
u
t
pu
t /eve/
ti
m
e co
d
e
h
ea
d
c
h
ec
k
t
h
ese two
p
oi
n
ts
fixing
screw
p
ositio
n
of time code
h
ea
d
9-19
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