Gates CRITERION Series - Deck Adjustments and Troubleshooting

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f.

Return

the

head

leads

to

their

proper

jacks

and

in.WI

the

head.

cover.

NOTE:

As

a

check

of

azimuth

on

the

Production

playback,

the

following

should

be

performed:

8.,

While

recording

a

constant

level

12KC

tone.

monitor

the

output

from

the

playback

head.

b.

Carefully

adjust

the

azimuth

SeT8\{

of

the

RECORD

head

for

maximum

output.

Heads

may

be

cleaned

with

a

cotton

swab and

isopropyl

alcohol.

Care

should

be

exercised.

to

prevent

misalignment

of

the

heads

by

exeelUl1ve

pressure

from

the

swabs.

-

5.2.2

PRESSURE

ROll.ER:

Cotton

swabs

and

isopropyl

.lcohol

m.y

also

be

used

to

remove

depo

s1

ts

which

.ccllIJlula

te

on

tile

pressure

roller.

5.2.

J

CUE

SENSlnVITI

LEVElS:

When

cue

problelllS

develop.

•

step-by-step

lll1a1ysil5

is

helpful

to

rap1dly

ascertain

the

CIltl8e

of

the

d1ff1cul.

ty.

When

such problems

arise,

the

following

procedure

is

recommended

.s

a

sample

analysis

schedule:

As

&ll

example

consider

a

Playback

Oni t

which

1.

missing

the

150

cycle

Cue

Tone.

1.

Ins

ert

the

150

cycle

Standard

Cue Tape

recorded

in

.5.2

into

the

machine.

Detem1ne

if

the

JIUlch11\e

is

cue1n&

with

the

Standard

Tape.

It

the

Onit

does

not

cue.

return

to

.5.2

and

realign

the

heads

with

the

Standard

l2KC Tape.

2.

Again

insert

the

150

cycle

SUmdard

Cue

Tape.

and

determine

if

the

machine

cues

properly.

Unles.

the

heads

are

worn

or

the

Cue

Sensitivity

Level

is

low,

the

Playback

should

now

cue

properly.

3.

If

in

step

2.

the

Unit

did

not

cue

properly.

advance

the

Cue

Sensitivity

lllightly

and

ag.in

detendne

1f

the

Playbaek

Un1

t Cues

properly.

NOTE:

'lbe

Cue

Sensitivity

should

be

adVUlCed

ONLY

f'ollowin«

the

performance

of

steps

1

and

2

of

thill

dllcuaa10n.

5.2.4

DECK

AD.Jt5nmJTS

This

article

1s

intended

a.

•

guide

for

maintenance

of'

tholle

portions

of'

the

deck

au.wly

vh1ch

affect

tape

drive.

If'

vow

and

nutter

01'

oUler

tape

drive

probl._

are

enco'CJl1tered,

1t

l!lhould

be

d.t.ndDed

that

cartrldpl

are

not

at

fault

berore

adjuataen'b

are

JUde.

1.

LINIAGE

ASSEMBLY.

'!he

pllrpose

of

the

l1nk.g

••••

~ly

1.

to

convwrt.

fA.

rec1.proeat1ng

lIOv.ent

of

the

solenoid

ta

the

rewlvins

lIOV-..nt

080

••••

1'7

for

the

el'088

lb&1t.

5-4