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3-5. CYLINDER (DRUM)
3-5-1. UPPER CYLINDER ASSEMBLY
(UPPER DRUM) (See Figs. 3-5-1, 3-5-2, 3-5-3,
3-5-4)
1) Remove the two screws @) (See Fig.3-5-1).
3)
Hold the tool (VHJ-0041) so that the upper cylinder
assembly (upper drum) @ does not rotate, and at the
same time, turn the handle @ clockwise, and remove
the upper cylinder assembly (upper drum) @.
@ Screws
Fig.3-5-1
«— Video head removing tool
(VHJ-0041)
screws
@) Upper cylinder assembly
(upper drum)
© Lower cylinder assembly
(lower drum)
Fig.3-5-2
ASSEMBLY NOTES:
1.
When
carrying
out assembly,
the CH-1
head
on the
upper cylinder assembly (upper drum)@) and the lower
cylinder assembly (lower drum)© must be aligned.
The CH-1 head on the upper cylinder assembly@® bears
acode@) such as 2N2S-V, 2N4N, or 4H6N, as shown in
Fig.3-5-3. The CH-1 on the lower cylinder assembly ©
has a round hole ©, as shown in Fig.3-5-4. Assemble
the parts so that the round hole ®) is next to the code
@ on the upper cylinder assembly.
2.
Be careful not to scratch the tape path surface of the
cylinder. After replacing the cylinder, clean the tape
path surface of the cylinder.
3.
After replacing the upper cylinder assembly, do the tape
path adjustment as instructed in section 4-3 and do the
swithching position adjustment of the servo circuit.
Upper cylinder assembly
(upper drum)
Fig.3-5-3
[EXCEPT FOR 2-HEAD MONAURAL
MODELS]
(8)Round hole
©Lower cylinder
a
assembly
(lower drum)
©Lower cylinder
assembly
a
(lower drum)
Fig.3-5-4
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