Aiwa HV-FX5200 Wartungshandbuch PDF herunterladen (Seite 64)

MAINTENANCE/INSPECTION PROCEDURE

The recording density of a VCR(VCP) is much higher than

that of an audio tape recorder. VCR(VCP) components must

be very precise, at tolerances of 1/1000mm, to ensure com-

patiblity with other VCRs. If any of these components are

worn or dirty, the symptoms will be the same as if the part is

defective. To ensure a good picture, periodic inspection and

maintenance, including replacement of worn out parts and

lubrication, is necessary.

Schedules for maintenance and inspection are not fixed

because they vary greatly according to the way in which the

customer uses the VCR(VCP), and the environment in which

the VCR(VCP) is used.

But, in general home use, a good picture will be maintained

if inspection and maintenance is made every 1,000 hours.

The table below shows the relation between time used and

inspection period.

Table 1

(1) Grease : Kanto G-311G (Blue) or equivalent

(2) Isopropyl Alcohol or equivalent

(3) Cleaning Patches

(4) Grease : Kanto G-381(Yellow) : Used only for Reel S and

Reel T

(1) Cleaning video head

First use a cleaning tape. If the dirt on the head is too

stubborn to remove by tape, use the cleaning patch.

Coat the cleaning patch with Isopropyl Alcohol. Touch

the cleaning patch to the head tip and gently turn the

head(rotating cylinder) right and left.

(Do not move the cleaning patch vertically. Make sure

that only the buckskin on the cleaning patch comes into

contact with the head. Otherwise, the head may be

damaged.)

Thoroughly dry the head. Then run the test tape. If

lsopropyl Alcohol remains on the video head, the

tape may be damaged when it comes into contact

with the head surface.

(2) Clean the tape transport system and drive system, etc,

by wiping with a cleaning patch wetted with Isporopyl

Alcohol.

1 It is the tape transport system which comes into contact

with the running tape. The drive system consists of those

parts which moves the tape.

2 Make sure that during cleaning you do not touch the tape

transport system with the tip of a screw driver and no that

force is that would cause deforming or damage applied to

the system.

2. Required Maintenance

3. Scheduled Maintenance

5) Maintenance Procedure

5-1) Cleaning

NOTES:

About 1

year

One hour

Two hours

Three hours

When

inspection is

necessary

Average

hours used

per day

About 18

months

About 3

years

4. Supplies Required for Inspection and

Maintence

Fig. C-9-4

Drum

(Rotating Cylinder)

Head Tip

Coat With Isopropyl Alcohol

Touch this section of cleaning

patch to the head tip and gently

turn the Drum (Rotating Cylinder)

Cleaning Patch

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 70 71

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