Mercury 1100a User manual

INSTRUCTION

MANUAL

MODEL

HOOB

MERCURY

ELECTRONICS

CORP.

manufacturers

of

quality

electronic

products

TABLE

OF

CONTENTS

Item

P^

e

Number

Introduction

.........................................

3

The

Panel

and

Control

.....................................................................................................

3

Te t

Procedure

..........................................................................................................................

4

A.

Preliminary

........................

.

..................................................................................

4

B.

Regular

Short

Te t

—

Cathode

Short

..................................................

4

C.

Additional

Short

Te t

-

Screen

Short

.............................................

5

D.

Quality

Te t

..........................................................................................................

6

Service

Note

............................................................................................................................

7

A.

Sample

Te t

........................................................................................................

7

B.

General

Rule

......................................................................................................

8

C.

Trouble hooting

Hint

.................................................................................

9

Part

Li t

.....................................................................................................................................

10

Circuit

Diagram

....................................................................................

11

MERCURY

ELECTRONICS

CORP.

MINEOLA,

NEW

YORK

65121

117

VAC

60

CYCLE

TO

HEATERS

IIOV

PURPLE

50V

WHITE

25V

BLUE

12.6V

GREEN

6.3V

YELLOW

5.0V

ORANGE

2.8V

RED

1. V

BROWN

BLACK

S-5B

(ON-OFF

SWITCH)

WHITE

(HEATER

RETURN)

BLACK

(HEATER

HIGH)

S-5A

OFF

S-KPRESS

TO

TEST)

IO-

2

0-

30-

40

50

BO-

70

80

90

IIO

S-6(Z)

GRID

BROWN

RED

ORANGE

YELLOW

DARK

GREEN

LIGHT

GREEN

DARK

BLUE

LIGHT

BLUE

PURPLE

GRAY

RED-WHITE

-0

_

TO

CORRESPONDING

PINS

ON

TUBE

SOCKETS,

EXCEPT

-06

FOR

HEATER

CONNECTIONS

_

q

7

-SEE

CHART

BELOW

-08

-09

■OIO

-OH

S- (X)

CATHODE

TOP

CAP

HEATER

CONNECTION

CHART

SOCKET

NO.

1

2

3

5

6

7

8

9

10

II

12

13

HIGH

NO.

5

2

5

7

8

38

12

5

7

RETURN

NO

1

2

7

2

1

10

3

1

SCHEMATIC

-

MODEL

IIOOA

TUBE

TESTER

MODEL

1100A

REPLACEMENT

PARTS

LIST

De cription

Part

No.

Price

1

Meg

Ohm

Re i tor

‘

/jw,

10%

1-0-45

$

.05

10

K

Ohm

Re i tor,

'/jw,

10%

1-0-33

.05

3

9

K

Ohm

Re i tor,

/iw,

10%

1-0

20

.05

1

5

K

Ohm

Re i tor,

!6w.

10%

1

0

40

05

820

Ohm

Re i t

r

‘

/jw,

10%

1-0

41

.05

470

Ohm

Re i tor,

'/aw,

10%

1-0-10

.05

330

Ohm

Re i tor,

'/aw,

10%

1-0-49

.05

.01

Mfd.

600V.

Capacitor

3-1

18

.15

Power

Tran former 10-1-9

2.67

Meter

Rectifier

18-1-1

.41

Meter

11-1-20

5.25

SPDT

Slide

Switch 6

1-1

.13

SPDT

Spring

Return

6-1-2

.23

4

Po ition

Slide

Switch

6-1-7

.38

1

Pole

12

Po ition

Rotary

Switch

6-2-27

1.26

2

Pole

10

Po ition

Rotary

Switch

6

2

28

1.17

Knob

15-1-14A

11

Line

Cord

22-1-3

.39

Grid

Clip

27-1-3

.23

NE-2

Neon

Lamp

17-1-2

.17

Ca e

and

Cover

14-2-13

5.04

7

Straightener

8-2

4

.06

9

Straightener

8-2-3

.06

Jewel,

Clear

16

1-11C

.04

10

INTRODUCTION

The

Model

1100A

i

a

compact,

ultra-modern

tube

te ter

de igned

for

maximum

performance

in

high- peed

te ting

of

practically

all

tube

type

u ed

in

radio,

televi ion,

high-fidelity,

and

indu trial

equipment.

The

Model

UOOA

u e

the

time-proven

principle

of

Dynamic

Cathode

Emi ion

for

Quality

te t.

Short

and

leakage

between

any

internal

ele



ment

are

hown

by

the

panel

indicator

lamp.

All

ection

of

multi



ection

tube

are

te ted

eparately.

Circuitry

i

de igned

for

imple

and

afe

te ting

of

all

tube .

When

following

proper

te t

procedure,

it

i

impo ible

to

burn

out

a

tube

in

the

Model

UOOA.

Tube

li ted

on

the

Tube

Chart

include

a

complete

coverage

of

Hi

Fi,

indu trial

and

foreign

type .

THE

PANEL

AND

CONTROLS

1.

SOCKETS

There

are

thirteen

ocket

in

Model

UOOA

which

provide

all

heater

arrangement

in

u e

today.

Socket

type

include

the

7-pin,

9-pin

and

10-pin

miniature ,

plu

Octal,

Loctal,

Nuvi tor,

Novar

and

Compactron

12-pin.

2.

METER

The

3'/r

inch

meter

ha

a

3-color

GOOD-WEAK-BAD

cale

for

tube

quality

te ting.

A

diode

te t

line

how

diode

QUALITY

to

be

good

for

all

meter

reading

over

the

tart

of

thi

line.

3.

SPEC -REG

SWITCH

(Special-Regular)

Thi

lide

witch

i

alway

left

in

the

REG.

(lower)

po ition

unle

the

ymbol

(S)

appear

in

the

column

W

of

the

tube

chart,

in

which

ca e

the

witch

i

moved

up

to

SPEC,

po ition.

4.

ROTARY

SWITCHES

X,

Y

and

Z

Switch

X

i

a

12-po ition

witch

that

connect

the

proper

element

to

the

meter.

Switch

Z

i

a

12-po ition

witch

that

connect

the

proper

element

to

the

return

circuit.

Switch

Y

i

a

10-po ition

heater

witch,

and

al o

erve

a

the

main

power

witch.

5

SWITCH

W

Thi

witch

ha

four

po ition

which

provide

the

proper

limit



ing

re i tance

for

the

QUALITY

te t.

6

"PRESS

FOR

QUALITY"

SWITCH

Thi

i

a

pring-return

lide

witch

normally

in

the

upper

po i



tion

for

SHORTS

te t.

It

i

u ed

only

to

get

QUALITY

reading

on

the

meter.

7

SHORTS-GRID

LEAKAGE

INDICATOR

Thi

clear-view

neon

indicator

how

a

hort

or

leakage

of

any

type

between

any

two

of

a

tube.

It

i

en itive

to

2

megohm .

8.

Straightener

are

provided

for

miniature

7-pin

and

9-pin

tube .

TEST

PROCEDURE

A

Preliminary

1.

Be

ure

to

et

control

before

in erting

the

tube

in

it

ocket.

In

thi

way,

damage

will

be

avoided

due

to

exce ive

heater

voltage

being

applied

to

the

tube.

2.

Check

for

SHORTS

and

LEAKAGE

before

te ting

for

QUALITY.

Do

not

te t

a

tube

for

QUALITY

if

the

SHORTS-GRID

LEAKAGE

indicator

glow

when

the

tube

i

in erted

in

it

ocket,

or

el e

damage

to

the

tube

or

tube

te ter

circuitry

may

re ult.

B

Regular

Shorts

Test

-

Cathode

Shorts

1.

Plug

the

line

cord

into

the

power

line.

Power

i

turned

on

when

you

advance

witch

Y

from

the

OFF

po ition.

2.

Set

control

X,

Y,

Z,

and

W,

a

directed

on

the

Tube

Chart

along ide

the

li ting

of

the

tube

you

wi h

to

te t.

If

thi

tube

i

li ted

more

than

once,

the

te t

mu t

be

performed

again

for

each

additional

li ting.

Thi

provide

a

te t

of

each

ection

in

multi- ection

tube .

3.

The

lide

witch

marked

SPEC.-REG.

hould

alway

remain

at

the

REG

(lower)

po ition,

unle

the

ymbol

(S)

appear

in

column

W

of

your

Tube

Chart.

Where

(S)

appear ,

u e

the

SPEC,

(upper)

po ition

of

thi

witch.

4

—

<■

_____

C

Trouble

Shooting

Hints

No

meter

movement

on

QUALITY

te t

—

1.

Control

X

or

Z

et

wrong

2.

No

line

power

3.

Defective

meter

4.

Defective

meter

rectifier

5.

Current

limiting

re i tor

burned

open

(try

another

po ition

of

witch

W)

Meter

goe

off

cale

—

1.

Control

X

or

Z

et

wrong

2.

Tube

under

te t

i

horted

3.

Switch

W

et

wrong

Continuou

Short

Indication

1.

Control

X

and

Z

at

ame

etting

2.

Shorted

.01

mid.

conden er

General

Information

1.

The

Model

1100A

i

an

unu ually

trouble-free

and

reliable

circuit.

With

proper

u e

it

will

never

overheat,

burn

out,

damage

tube

under

te t

or

give

mi leading

te t

re ult .

2.

The

panel

i

in ulated,

and

ha

no

hock

hazard.

9

Diode

Te t,

type

1B3

1.

See

li ting

in

Tube

Chart

2.

Set

X

at

po ition

11

3.

Set

Y

at

po ition

B

4.

Set

Z

at

po ition

12

5.

Set

W

at

po ition

B,

noting

ymbol

(S)

at

thi

li ting

6.

Set

SPEC.-REG.

witch

at

SPEC.

7

Plug

tube

into

ocket

4,

connect

top

cap

8.

Ob erve

SHORTS-GRID

LEAKAGE

indicator

9.

If

no

hort

are

indicated,

pre

QUALITY

witch,

and

read

tube

QUALITY

on

meter

—

any

reading

over

the

tart

of

the

“

DIODES

O.K.

”

line

mean

tube

QUALITY

i

good.

10.

Relea e

QUALITY

witch

and

return

SPEC.-REG.

witch

to

REG.

Note

that

the

G-2

SHORT

column

i

blank

becau e

type

1B3

ha

no

creen.

B

General

Rules

1.

If

a

tube

element

i

connected

to

two

or

more

ba e

pin ,

any

one

of

the e

may

be

u ed

to

contact

that

element.

Example:

6CZ5

G-l

may

be

contacted

at

either

3

or

6.

2.

Do

not

leave

both

X

and

Z

at

the

ame

etting,

or

you

will

automatically

get

a

dead

SHORT

indication.

A

long

a

QUALITY

witch

i

not

pre ed,

a

hort

indication

will

do

no

damage.

3.

If

you

pre

the

QUALITY

witch

when

the

indicator

how

a

hort,

you

may

damage

the

meter

or

rectifier

in

the

tube

te ter,

a

re ult

of

exce ive

current

flow.

8

4.

Plug

the

tube

into

the

de ignated

ocket

and

allow

ten

econd

for

warm-up.

5.

Ob erve

the

neon

indicator.

Any

glow

how

that

there

i

a

SHORT

or

LEAKAGE

between

cathode

and

heater

or

between

cathode

and

grid.

C

Additional

Shorts

Tests

A

Thi

ection

how

to

find

tare

type

of

SHORTS.

You

will

eldom

need

to

u e

thi

procedure,

unle

you

u pect

that

the

tube

malfunctioning

i

due

to

a

rare

type

of

SHORT.

1.

By

u ing

witche

X

and

Z,

a

hort

between

any

two

element

in

a

tube

can

be

found,

a

follow :

2.

U e

ba e

diagram

of

tube

a

given

in

popular

handbook

avail



able

free

or

at

nominal

co t

from

any

tube

jobber.

3.

Set

witch

X

to

the

number

corre ponding

to

one

of

the

ba e

to

be

te ted.

4.

Set

witch

Z

to

the

number

corre ponding

to

the

other

ba e

to

be

te ted.

5.

Ob erve

SHORT-GRID

LEAKAGE

indicator.

If

glow

occur ,

there

i

a

SHORT

or

LEAKAGE

between

the

two

ba e

being

te ted.

6.

EXAMPLE

-

to

check

for

a

SHORT

between

plate

and

creen

of

type

6BQ6,

et

X

at

po ition

4

(pin

4

i

creen),

and

et

Z

at

po ition

11

(plate

of

6BQ6

i

top

caf>,

which

i

po ition

11

of

thi

witch)

7.

EXAMPLE

—

to

find

a

hort

between

plate

and

control

grid

of

triode

6AB4:

the

ba e

diagram

how

Plate

(P)

i

1,

and

control

grid

(G-l)

i

6.

Setting

X

to

1

and

Z

to

6

will

catch

any

hort

between

the e

two

element .

5

Screen

(G-2

Short)

Test

1

Refer

to

the

Tube

Chart

column

labeled

G-2-SH0RT.

2.

Move

the

de ignated

witch

(either

X

or

Z)

to

the

po ition

given

in

that

column.

3.

Any

glow

in

the

SHORTS

indicator

mean

Gj

i

horted

to

G2

and

the

tube

hould

be

replaced.

D

Quality

Test

1

If

tube

howed

a

hort

in

preceding

te t,

do

not

te t

for

quality,

or

damage

to

tube

or

te ter

might

re ult.

The

tube

i

bad

and

hou

d

be

replaced.

2

If

tube

how

n

hort ,

pre

the

QUALITY

te t

lide

witch

and

read

tube

QUALITY

on

meter.

3.

Tube

have

good

QUALITY

if

meter

pointer

come

to

re t

any



where

in

the

green

area

of

the

3

color

meter

cale.

If

tube

i

a

diode,

it

will

have

written

it

li ting

on

the

tube

chart

Any

QUALITY

reading

above

the

tart

of

the

"DIODES

O.K.

”

line

mean

the

diode

i

good.

The

diode

line

tart

at

25

on

the

numerical

meter

cale.

4.

If

more

than

one

li ting

of

a

tube

appear

on

the

tube

chart,

it

i

a

multi- ection

tube

and

a

te t

mu t

be

made

eparately

for

each

ection,

5.

The

tube

te t

i

now

completed

except

for

a

creen

(G-2

Short)

te t

that

may

be

de ired.

Thi

te t

i

de cribed

in

the

following

tep :

6

SERVICE

NOTES

Sample

Te t

Pentode

type

6AC7

1.

See

li ting

in

Tube

Chart

2.

Set

X

at

po ition

5

,

3.

Set

Y

at

po ition

E

4.

Set

Z

at

po ition

4

5.

Set

W

at

po ition

A

NOTE:

Since

there

i

no

ymbol

(S)

thi

li ting,

the

SPEC.-

REG.

witch

mu t

be

at

REG.

po ition.

6.

Plug

tube

into

ocket

4

7.

Ob erve

SHORTS-GRID

LEAKAGE

indicator

8.

If

no

hort

are

indicated,

pre

QUALITY

witch

and

read

tube

quality

on

meter.

9.

Relea e

QUALITY

witch.

Refer

to

G-2

SHORT

li ting

on

Tube

Chart,

and

mwe

witch

X

to

po ition

6.

If

indi



cator

glow ,

tube

ha

G

1

to

G-2

hort.

Directly

heated

cathode

type

1R5

1

See

li ting

in

Tube

Chart.

2.

Set

X

at

po ition

4

3.

Set

Y

at

po ition

B

4.

Set

Z

at

po ition

12

5.

Set

W

at

po ition

B

(SPEC.-REG.

Switch

remain

at

REG.)

6.

Plug

tube

into

ocket

13

7.

Ob erve

SHORTS-GRID

LEAKAGE

indicator.

8

If

no

SHORTS

are

indicated,

pre

QUALITY

witch,

and

read

tube

QUALITY

on

meter.

9.

Relea e

QUALITY

witch.

Refer

to

G-2

SHORT

li ting

on

Tube

Chart,

and

mwe

witch

Z

to

po ition

3.

If

indicator

glow ,

tube

ha

a

G-l

-

G-2

hort.

7

Mercury 1100A User manual

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