VISUAL 100 - First Level Maintenance; General; Rear Panel; Rear Panel Removal

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VISUAL

TECHNOLOGY

INCORPORATED,

540

MAIN

STREET,

TEWKSBURY,

MA

01876

7.

FIRST LEVEL

MAINTENANCE

7.1

GENERAL

The

VISUAL

100

terminal

has been designed

with

subassembly

exchange

as

the

prime

mode

of

service.

Fault

isolation

is

provided

in

this

section

to

identify

the

failing

subassembly.

Unless

otherwise

noted

the

power

cord

should

be

disconnected

before

disassembly

of

the

terminal.

·

Hazardous

voltages

may

be

present

.

7.2 REAR

PANEL

The

removal

of

the

rear panel will allow

the

removal

of

the

logic

printed

circuit

board,

removal

of

the

TV

monitor

printed

circuit

board,

and

access

to

the

AC

terminal

block

allowing rewiring

from

110

volts

to

220

volts.

7.2.1 Rear Panel Removal

Consult

Figure

7-1

to

locate

the

four

screws which

attach

the

rear panel

to

the

top

cover.

7

.2.2

Rear Panel Installation

As

indicated

in

Figure 7-1 loosely install

the

two

painted

flat

head screws

on

the

top

of

the

rear panel first.

Rotate

the

bottom

of

the

panel

into

pos

i

tion

and

install

and

tighten

the

lower

two

black screws.

Tighten

the

two

top

screws.

Figure

7-1

Rear

Panel

Screw Locations

55

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