Caple C871i Bedienungsanleitung PDF herunterladen (Seite 296)

100

101

Apple II Computer Info

(e.g. Kester "44" 20 gauge).

Arcing from the metal brace to the HV module can cause the display to

momentarily shrink and flick out of focus. The cure is to bend the brace

up enough to increase the arc path and clean the surfaces involved. Apply

HV dope to the brace and module where distances are small.

If the case interior seems pretty clogged with dust and gunk, it's a

good idea to remove the side-mounted Controls/Switch Module and give the

case a good washing. (Be very sure it is well dried before replacing.)

You should also clean the two controls on the C/S Module with spray-in

control cleaner.

Before putting the case back, this is a good time to adjust base

Intensity and Focus (the two nub controls on the HV module). Position the

monitor so that screen is easy to see and the nub controls are accessible.

Plug in the the C/S Module. Adjust the C/S Module controls to center

positions. Plug in the monitor to the computer. Get a Desktop display with

some text and icons. Use an insulated tool to adjust the nub Intensity and

Focus controls for maximum sharpness at 'normal' viewing intensity. A

magnifying glass is helpful to obtain max pixel sharpness.

_____

Safety

Unplugging the monitor and letting it sit for a few hours reduces the

danger of shock from stored charges; it does not eliminate it. The usual

warning for this kind of work is AVOID touching two different circuit

points at the same time. Like, don't touch the metal chassis and the

conductive surface of the CRT at the same time. It's a good idea to clip a

wire to the chassis and touch the other end to the conductive surface of

the CRT a few times before doing any work.

WEAR protective GOGGLES. If you should, somehow, bump or stress the CRT

neck-- as in jumping when you get shocked-- it may break. The result may

be a peaceful THOOP! or the CRT may implode in a spray of glass.

Work on a wooden or plastic-topped table with plenty of space. Try to

position yourself, tools, and the monitor so that when you get 'stung',

the chances of breaking something are reduced.

Rubywand

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Apple II Computer Technical Information : Apple II Family Hardware Info

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