Trio CS-2100A - Component Replacement Procedures

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MAllTElAiCE

REPLACING

SWITCHING

POWER SUPPLY

The switching power supply

housed

in the

shield case

lo-

cated

at the

rear.

remove

the

switching power supply,

re-

move

the

horizontal logic circuitry (right)

and

vertical pream-

plifier (left)

and

remove

the

retaining screws which

fix the

shield case

to the

frame.

Trig Sweep

X74-1320-00

REPLACING BATTERY

A disc type Lithium battery

installed

in the

horizontal

mode control unit (X77-1130-00).

The

voltage

of the

battery

is 2.7V.

When

the

voltage drops

to 2.0V,

replace

the

battery.

Before replacing

the

battery,

set the

unit

to the

operation

mode

and

confirm that each switch with built-in

LED is set

correctly.

To remove

install

the

battery, apply

soldering iron

to the

parts side

of the

P.C.B. When installing

the

battery, observe

the polarity.

The

polarity

indicated

on the

parts side

of the

P.C.B.

Horizontal

Mode Control

(X77-1130-00)

Switching

power supply

Vertical preamplifier

(X73-1320-00)

Replacing switching power supply

CRT

Removing/installing

CRT

8-2

(Bottom view)

CRT shield

Lithium battery

Trio CS-2100A - Component Replacement Procedures

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