Orion DVD/VR-2961 - Electrical Adjustments

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ELECTRICAL

ADJUSTMENTS

Read

and

perform

this

adjustment

when

repairing

the

circuits

or

replacing

electrical

parts

or

PCB

assemblies.

1.

BASIC

ADJUSTMENT

CAUTION

When

you

exchange

IC

and

Transistor

for

a

heat

sink,

apply

the

silicon

grease

(YG6260M)

on

the

contact

section

of

the

heat

sink.

Before

applying

new

silicon

grease,

remove

all

the

old

silicon

grease.

(Old

grease

may

cause

damages

to

the

IC

and

Transistor.)

1-1:

PG

SHIFTER

CONDITIONS

MODE-PLAYBACK

Input

Signal-Alignment

Tape

(JGO01E)

INSTRUCTIONS

1.

Connect

CH-1

on the

oscilloscope

to

TP102

and

CH-2

to

pin

19

of

J8004.

2.

Playback

the

alignment

tape.

(JG001E)

3.

Press

both

CH

UP

button

on

the

set

and

the

STOP

button

on the

set

for

more

than

2

seconds.

D3-1