Canon Canovision8 E50E - Rotary Drum

3-20 Rotary Upper Drum
* Disassembling
Note: If recordable, perform re-
cording before disassembling.
(1) Unsolder three solderings @.
Then, confirm that the terminals
which come out from the hole of
C.B.A. can be moved freely.
(Fig .II-27)
(2) Remove the two setscrews @.
(3) Secure the jig @ to the drum
with the two setscrews @. (Set-
screws supplied with jig @ as a
sets) Then, screw in the hexago-
nal bolt @ into the hole of jig
@ to dismount the rotary upper
drum ©. (Fig.11I-28)
* Reassembling
(1) Clean the flange surface and
the rotary upper drum © surface
which faced the flange surface.
Check that there is no dust par-
ticles and flaws.
(2) Insert the jig @ into the drum
positioning holes of upper/lower
rotary drum, (Fig.II-29)
*Note: At this time confirm that the
terminals come out from the
holes of the rotary upper
drum C.B.A..
(3) Pull out the jig @, and then
push the rotary upper drum ©
into the lower one manually and
gently. If it cannot be set
completely to the bottom,
Tighten the two setscrews @
alternately and temporarily.
(Fig. II-27)
(4) Insert the jig @ into the posi-
tioning holes © again.If it
cannot be inserted smoothly,
loosen the two setscrews @.
Then perform the step (3) of
disassembling procedure.
{5) Tighten the two setscrews @
thoroughly.
(6) Solder the terminals @.
(Fig. II-27)
@screw @Rotary upper drum
Number of terminals differs
according to the models,
{three or four)
Fig.II-27
@kexagonal screw
@serew ——
@sig——
@®Rotary upper ___
drum
© Rotary . upper
drum
holes
@Terminals
Fig.II-29
*Notes: 1. When soldering, be careful not to let the solder flow to the
C.B.A..
43
2. After reassembling, perform the tape path adjustment.
notte emi abelian
qieey
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