NEC JC1402HME, JC1402HMEE, JC1402HMED, JC1402HMN, JC1402HMR Service Manual

NEe

MODELS

JC-1402HME/EE/ED/N/R

MULTISYNC

COLOR

SERVICE

MONITOR

MANUAL

PART NO. 599910266

Better Service

Better Reputation

Better Profit

A.

Electrical Description

Picture

Tube

Input

Signal

Display

Synchronization

Resolution

Video Active

Colors

Band

Display

Width

Area

13 90 Dot Non-long Direct Video.

Sync.

TTL Analog Horizontal Vertical

Horizontal Vertical:

30MHz

Horizontal Vertical:

Visual

inches

degree

deflection.

type

black

persistence

each

TTL

ANALOG Separate Horizontal Vertical Composite Positive/Negative Composite sync. (Video

Input:

Input

diagonal

matrix.

Level

Positive

0 7

sync.

0.3

Vp-p

0.7

Vp-p 8/16/64 Unlimited

15.5

kHz 50 Hz Non-interlace 800

dots

560

lines

250mm 185mm

0.31

mm

Trio

dot

phosphor,

Vp-p/750

TTL

Positive/Negative

on

Negative

Positive)

colors

to

80

Dark

Positive

Level

TTL

Level

Green

colors

35

kHz

Hz

(Automatically),

Active

(

changed

Video

(Automatically)

display

SPECIFICATIONS

Misconvergence

Power Power Environmental

NOTE:

by

pitch

bulb,

signal

area is )

timing.

Supply Consumption

Considerations

The

above

for

further

Less

than

AC220

~.

85W Operating

Storage

specification improvement.

0.6mm

240 V

50/60

Temperature Humidity Temperature Humidity

are

sublect

Hz

to

change

O°C 30% '-20°C

10%

to

+40°C

to

80% to

to

90%

without

+60°C

notice

.-

..::

NEC

Corporation

TOKYO.

JAPAN

'. ,

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AC

220

BLOCK

CN,

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()

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L{

PW

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INTERFACE

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INPUT

LINE

-240V

ALTER

DIAGRAM

RL80' RL8Q2

RL8Q3

~iJr;:::=============::r::::::::1

TTL!

ANALOG

SENSE

~

L..-

Sw803

COLOR

64/'618

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EN

I

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402

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rl

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--

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SYNC

S~YNC

5EP

(C401

1-

HOUrpUT

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B.

Mechanical Description (See below diagrams)

1.

Cabinet:

2.

Dimensions:

3.

Tilt

Swivel

Front

- -

,

-'-

LI!

L;::

Range

I-- -

8

5

~

J

Molded 360(W)X372(H)X400(D)

plastic

cabinet

Side

1'----

~

t--

'"

M

!

~r

I

400m1

'LI~J

with

attachable

mm

i

,

tilt

swivel base.

i

4.

Weigtlt:

5.

Controls

6.

Input

7.

Power In

power

Rear

Front

case

Controls:

Signal

Terminal:

cord

of

JC-1402HMEE,

cord

is as

follows.

the

end

16 kg

MANUAL MODE

COLOR

POWER BRIGHTNESS CONTRAST

V.

POSITION

V.

SIZE

H.

POSITION

H.

SIZE TEXT TEXT

9 PIN

(SEE

of

-----~y=:==.::.::::j

-1-

SWITCH

MODE SWITCH

CONTROL

SWITCH SWITCH COLOR

D-SUB

PAGE

SWITCH

CONTROL

SWITCH

CONNECTOR

2 FOR PIN

~-

~

(FEMALE)

ASSIGNMENTS)

-

---

---Green

_

..

_n_

Blue: Neutral

-- - Brown: Live

and yellow Earth

.-

•

GENERAL

MultiSync

adjusts

(Vertical). computers adapters graphics available

•

to

MultiSync vertical MultiSync MultiSync Adapter, Video MultiSync a

new

MultiSync

560

lines MultiSync unlimited MultiSync MultiSync

amber alphanumeric MultiSync

II,

The

graphics

MultiSync

users

of

(the

CGA,

adapters

in

the

market

II

automatically

frequencies

II

is

II

is

the

IBM

Graphics

II's

wide

monitor.

II

has a

for

superior

II

offers

palette

II

automatically

II features a

and

green)

text

II

has a 14

Intelligent

board

II

gives

crjsp

text

EGA,

PGC,

to

provide

place.

between

compatible

Professional

Array

and

compatibility

maximum

clarity

both

TTL

of

colors

TEXT

displaying

on a black

inch

Monitor,

scanning

IBM

and

vivid

VGA

users

scans all

50Hz

with

Graphics

other

horizontal

of

and

depending

adjusts

SWITCH

word

background.

diagonal

from

frequencies

PC,

PC/XT,

color

or

MCGA).

with

the

horizontal

and

the

IBM

the

IBM

compatible

makes

it

resolution

display.

ANALOG

on

to'

either a TTL

(TTL

processing,

display

NEC, is a

graphics

widest

high

from

PC/AT,

displays

MultiSync

range

15.5kHz

II of

FEATURES

frequencies

80Hz.

PC,

PC/XT,

Color

Graphics

Controller,

possible

signal

the

mode

the

graphics

to

upgrade

of

800

inputs,

graphics

signal

only)

spread

and a large, 13

resolution

to

35kHz

Personal

when

can

also

color

monitor

between

PC/AT,

Adapter,

IBM

MultiColor

adapters.

boards

dots

and a

and

in

the

board

input

with a choice

sheets,

databases

inch

color

monitor

(Horizontal),

System/2

used

with

be used

compatibility

15.5kHz

PS/2

and

the

or

software

maximum

ANALOG

and

software

or

an of

viewing

(PS/2)

any

of

with

other

and

look-alikes.

IBM

Enhanced

Graphics

without

vertical

mode

being

ANALOG

three

colors

or

other

area.

that

automatically

50Hz

and

compatible

the

IBM

compatible

and

35kHz,

Array,

purchasing

resolution

can

used.

signal

(paper

software

to

80Hz

graphics

capability

and

Graphics

the

IBM

display

input.

white,

in

crisp

all

of

an

When

setting up

•

To

eliminate

other

•

For Allow

• dissipate.

•

Don't cause

• Keep magnetic

•

Don't

•

Don't

lights

optimum

adequate

rest

the

fires

the

MultiSync

fields. drop use

the

iJnd

using eye fatigue, can

directly

viewing,

ventilation

MultiSync

or

electrical

the

MultiSync

II

the

don't

shine

the

MultiSync

all

II

or

shocks.

away

II

MultiSync

use

the

on

it.

around

other

heavy

from

high

when

in

damp,

CAUTIONS

II

pay

special

MultiSync

II

should

the

MultiSync

objects

capacity

transporting

dusty,

or

-·2-

attention

II

against a bright

be

just

below

II

so

that

on

the

power

transformers,

it.

dirty

places.

to

these

points

background

eye level.

heat

from

the

cord. A damaged

electric

motors

or

where

monitor

power

and

the

can

other

sun

properly

cord

can

strong

or

.-

I

ASSIGNMENTS

AND

SIGNAL

LEVELS

MANUAL

SIGNAL

Nd

Gf

2 GR

3 RE

4 GR EEN

5

BL

6

IN

MANUAL

---,,------------------------

SIGNAL

No

SWITCH

CGA/EGA

16

COLORS

---------

10UND

-----

OUND

0

UE

TENSITY

------------

--CONNECTION

SYNC

YNC

SWITCH

OFF

-_._-

ON

TTL

COMPATIBLE

64

f--

GROUND SECONDARY PRIMARY PRIMARY PRIMATY SECONDARY SECONDARY H.5YNC V.SYNC

D-SUB

@@@@Ci)

(9'J@0@

COLORS

RED RED GREEN

BLUE

GREEN BLUE

Type 9-P

ANALOG

PGC

COMPA

TIBLE

-RED

-GREEN -GREEN

-BLUE COMPOSITE 6MODE RED GREEN BLUE GROUND GROUND

CONTROL

GROUND

--------------

SYNC

---

f----------------

VGA/MCGA

- RED

-BLUE H.SYNG. V.SYNC RED

GROUND

GREN

GROUND

BLUE

GROUND

COMPATIBLE

--------,

2

3

6

11

9

______

_____

"

means

"6"

means Normal Approx.

SIGNAL

All

signal

"e"

means means

-----

--------

-----

-_.

-------

INT

ENSITY

VIDEO

___ _ ________________________________

GFlOUND mode

vertical

20%

LEVEL

levels.

except

0_7Vp-p (VI

07Vp-p

----.-~-

-------V-SYNC

or

NO-CONNECTION

control

height

increased

for

DEO)

(VIDEO).

-GREEN-----

._-

-------[-

H

of

vertical

at

TTL

vertical

those

listed

0_3Vp-p

RED

-------

BLUE

-IN-rEt,J.5ITY-

-------~

SYNC

height

high

height

below.

(SYNC.)

level

SECONDARY

PRIMARY

--p~~~~~y--

_._----

----

PRIMAflY

SECONDAfW

-----

SECONDARY

or

no-connection_

at

TTL

low

are

TTL

RED

- -

-----

BLUE

GREEN

------

BLUE

level

-

-H

SYNC----

--------

V

L-

__________________

or

grounded_

SYNC

-GREEN

- - -

l

-BLUE

H/V

S-YNC - r

--

LiMODE

---

- -

GROUND

----------

- -

CONTROL

----

--

•

HIVSYNC

ON

GREEN

--

--::.---

------

---

----'

-3-

.-

•

TIMING

CHARTS

SEPARATE SYNC.

COMPOSITE

SYNC.

HORIZONTAL

VERTICAL

HORIZONTAL

VERTICAL

I"

____

~I

I~"_c

....

J2i

0

1_.

..

I

..

___

VIDEO

..

VIDEO

o

o"--

..

R

o

__

u

J

u,-----

..

! Sync. Polarity: Positive/Negative

I

.....

I •

.-=E'-1.1

~U

r--

COMPOSITE

SYNC. &

VIDEO

HORIZONTAL

VERTICAL

PRESET

r--'---~'-------:--

----_.

r--------

f---.-~--

f--

t---g.J1.2..~.

r--..Qp~--

--------

._---

r------~--

r--.-----~

1-----_.

REMARKS

IH

A

/lS

B

I'S

E

/lS

Iv

---

Oms P

ms

Q

ms

R

ms

S

ms

TIMING

COMPATIBLE

1------.--

---------

r-------

-

---""---

1---

-----~

r----

CGA

15.85kHz 63

4.2 4.9

--

7.2 1.6 2.8 1.89 45

6.6 0

61

Hz

..

----~

16

.4

00.75 0.6

1.525 0.08

12.6

2.2 0

----

SEPARATE

SYNC.

H.

POSITIVE

V.SYNC

POSITIVE

--

SYNC.

Sync. Polarity: Positive/Negative

.~

(SYNC.

ON

GREEN)

-4~1------~'------~j

>-----_._.-

-----~---

'."

...

-

---~

I

---.....I-

-;~-

.-~-----'

Sync. Polanty: NegatIve

EGA

COMPATIBLE

22kHz

--_._.

45.5

----------_.

----------

39 25.6 25.17

60

Hz

--------

16.68 16.6 14.27 14.27 16.68

.-----

16

SEPARATE

SYNC.

H.

SYNC.

POSITIVE

V

SYNC.

NEGATIVE

PGC

COMPATIBLE

30.48kHz 33

--

4.5

---

0.1

60

Hz

0.07 0.064

2.12

13.05

1.36 1.2 0.41 HIV

COMPOSITE

SYNC.

----~---------------

1.88

11.126

SEPARATE

SYNC.

H.

SYNC.

POS!TIV.E

V.

SYNC·

NEGATIVE

-4-

VGA/MCGA

COMPATIBLE

31.5kHz

31.77

3.77

0.94

70Hz

0.064

._---

1.08 1.02

12.716 15.246

SEPARATE

SYNC.

H.

SYNC.

NEGATIVE

V.

SYNC.

POSITIVE

L.....-........_~

--

~

I

-----

60Hz

0.064

0.35

SEPARATE

SYNC.

H.SYNC.

NEGATIVE

V.

SYNC.

NEGATIVE

__

--

.-

•

ADJUSTING

Fig. 1

THE

REAR

MANUAL SWITCH

CONTROLS

"'I

COLOR MODE SWITCH

o

MANUAL

This

switch

selects

OFF,

MultiSync

resolution

When

(8/16/64) SWITCH_ (see

8

This assignment

Refer

e

One compatible

SWITCH

and

this

switch

needed

MO

DE

switch

to

the

COLOR

of

tile

four

graphics

as

of

user

shown

D SUB 9PIN TYPE (TTUANALOG)

SWITCH

either

the

IBM

mode

when

II

automatically

color

requirements

is

ON,

by

the

No_

00

the

graphics

below)

user

works

of

must

adapter

in

the

IBM

manually

SWITCH

selects

either

the

gray

scale

gray

scale_)

manual

MODE

color

~----

8

____________________

16

64

accompanying

SWITCH

configurations

adapters_

below

..

------

-----------------+-----------

colors

colors colors

--

colors

The

-

-----

COLOR

with

low

with

IBM

------------------

---------------------------'---------------

the

[8/16(NEC)/16(IBM)/64]

proper

-----

---------

MODE

intensity

brown

OFF

or

the

IBM

mode

compatible

select

being

used

or

color

graphics

configuration

yellow

the

manual

and

adjusts

graphics

the

mode

with

the

with a TTL

adapter

can

be

----"~-------~

COLOR

-+

____

------'-----'-------

for

mode

itself

adapter

(gray/color)

MODE

signal

information

must

be

selected

MODE

8

----'-

_____

16

(NEC)

16

(IBM)

64

when

ON_

to

the

being

and

SWITCH

input.

(See

on

by

using

SWITCH

When

this

switch

scanning

used_

the

and

the

when

the

--l

frequency,

number

APPENDIX B pin

input

COLOR

signal.

using

COLOR

of

non-IBM

is

colors

MODE

Note

This Refer

switch

to

the

should

user

be

set

manual

correctly

accompanying

in

relation

the

to

the

grapllics

-5-

input

adapter

signal

for

of

the

~raphics

information

adapter

on

the

input

used_

.-

signal_

•

ADJUSTING

THE

FRONT

~

CONTRAST CONTROL BRIGHTNESS POWER SWITCH

TEXT COLOR SWITCH

CONTROLS

CONTROL

• POWER

Used

to

turn

When

the

power

•

BRIGHTNESS

Used

to

adjust

o

CONTRAST

Adjust

8

Adjust display

o

the

display

V.

POSITION

this

knob

position;

V.

SIZE

o

SWITCH

the

Power

is

ON,

the

CONTROL

the

picture

CONTROL

to

the

CONTROL

for

the

turn

it

counterclockwise

CONTROL

o

V.

SIZE CONTROL

H.

POSITION CONTROL

ON

or

OFF.

power

LED

indicator

brightness

contrast

proper

of

preferred

vertical

the

position

for a lower

is lit.

screen.

by

the

user.

of

I

the

display.

display

TEXT SWITCH

H.

SIZE SWITCH

Turn

the

position.

knob

clockwise

for a higher

Adjust

this

turn

it

counterclockwise

o H.

Adjust display

POSITION

this

to

knob

the

for

right;

the

proper

for a smaller

CONTROL

the

proper

turn

it

counterclockwise

vertical

horizontal

size

display.

of

the

position

to

reposition

display.

of

the

~6~

Turn

display.

to

Hie left.

the

Turn

knob

the

clockwise

knob

clockwise

for a larger

to

reposition

display;

.-

•

• H.

Adjust display

4D

This When

below),

When it is

Note

The

CD

Use Also is selected (see No.2) regardless

SIZE

this

can be

TEXT

switch

it

is ON,

regardless

TEXT

this

switch

use

this

SWITCH

switch

for

made

SWITCH

controls

the

OFF, the

SWITCH

COLOR

to

select the

switch

the

horizontal

wider.

- .

the

text

mode

text

will

appear

of

the

colors

color

of

the

works

only

SWITCH

text

to

select

the

size

of

the

MultiSync

in

the

of

the

software

in the

color-green,

gray

of

TTL

scale

the

program

position

display

color

mode.

color-green,

preferred.

displayed

program

being

amber

of

the

II.

or

by

being

used

paper

amber

TEXT

Wh~n

this

the

TEXT

used.

will

be

displayed.

White-when or

paper

SWITCH.

switch

white-when

COLOR

the

TEXT

is ON, the

SWITCH

the

gray

width

of

(see No.12

is ON.

scale

mode

the

-7-

.-

•

THE

METHOD

FOR

REMOVING

Screw

AND

"a"

MOUNTING

Base A

CD

Insert 3 mounting

table

A. -

®

Arrange on

the

bottom

Screw

the

philips

head

THE

TILT

the 3 male

of

the

table A to

screwdriver.

SWIVEL

screws

Set

the

set

BASE

"a"

into

holes

"a"

into

the

in

correct. driving 3 screws

on

the

female

"a"

turnin~.

Screws

with

a

[zJ

Base B Base A

Square

/f

hole

of

rear

cover

(I)

(2)

Align

the

B,

into

Both

tables

degrees

arrow

the

table

are

clockwise.

of

both

A as

fixed

tables

shown

firmly

A and B,

on

the

by

turning

and

left.

the

put

table

the

B 180

table

0

[1]

[_{lin

case

you

Sequence

remove

from

[11--

the

OJ

turning

.

table,

take

a reverse

-8-

After

completing Sequence It is

recommended

coming

face

NOTE:

Please horizontally.

avoid a harsh

OJ

to

-

the

ill

that

printing

,place

handling

attachment

the

Set

side

to

of

the

set in its

should

on

the

turn

the

turning

proper

be used

turning

Set

vertically

table

position.

with

table.

in

its

or

.-

I

DISASSEMBLY

Warning;

1.

Remove rear.

This

equipment properly, radio

or

the

two

OF

THESE

ie.,

in

television

screws

generates

strict

accordance

reception.

0,

the

,.

,-

MODELS

and

two

screws ® and

'"

,wG~

I

used

with

hid

radio

the

following

one

• •

frequency

screw@

...

. .

-

energy

instruction,

pull

the

Cabinet

it

and may

if

not

cause

Back

inet Back

©

reconstructed

interference

bakcward

to

the

F

Note:

2.

Remove

To

prevent

attaching

the 9

,'r

i/._

the

screws

"

lillI/III

Cabinet

III/III

/11/1111111/1111

.

/1111111111111/11

'2.

II

III

III!,'

/III

occurrence

Back,

©,

then

/,-

'

~

I

of a gap

be

lake

between

sure

to

tighten

off

SHIELDING © and

the

Cabinet

screws

@.

SHIELDING

Front

in

the

®

and

order

®

the

Cabinet

of 0 to

®

Back

when

.-

--

9-

I

2' As

for

Remove PLATE,

model

the

JC-1402HMED

11

screws@1

SHIELDING.

and

one

screw

CD,

then

take

off

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}

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;

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I

PLATE, SHIELDING

3.

INTERFACE

Remove the 4 screws Disconnect

PWB

the

connectors

UNIT

@,

then take

DISASSEMBLY

from

Remove the 2 screws, ® then take

off

the

INTERFACE

off

the

I r

~

......

,

..

_

..

't~~

..

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....

,:-

SHIELDING

PWB

INTERFACE

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UNIT. PWB

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.-

•

3'

As

for

Remove

instructions Remove Disconnect Remove

••

t •

~

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1t

)1

model

PLATE,

the 4

the 2 screws,

~ . ~

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JC-1402HMED

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bellow.

screws

@,

then

take

the

connectors

t - I

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from

then

.-

:

take

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then

off

the

INTERFACE

off

the

,,;..(.

.

'J

take

out

SHIELDING

PWB

INTERFACE

the

INTERFACE

0.

UNIT. PWB

UNIT.

r-

I

I I

1.- -

r

..

I

L

· .

f¥lB

UNIT

as

the

,

•

~

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4. SW. REG.

Disconnect Remove

the

the 2 screws

~

®

UNIT.

DISASSEMBLY.

connectors

0,

then

C.

K.

SW

take

off

'

..

'.,r---. , __

SHIELDING

and

DEGAUSSING

the

SW. REG.

-L

Ii+

4~~~~

@

COIL

UNIT.

from

the SW. REG.

-

UNIT.

.,

~/II

II

filII

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i ! ! ! ! ! ! Ill!

/

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II I III!

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----

I

11-

SW

®

Fl

EG

LJ

N I

.-

•

PARTS

DEF

PWB ASSY

LOCATION

(PWE-194)

DIAGRAMS

S7

S6

S"

S~

S3

S7 SI

VR552

VRS,,]

15 8Sk

nk

\

l11il@NON

RIi?

mu

A VR551 H. F-V

--"--

--------

B TP551

.-.------

C VR401

--.--

o TP501 H.

~-.----

E VR502

~--

F VR501

...

_-------

G TP503

H

~~

---~Fl!~~-.

- -

------------~--.------

H.

F-V

-....

V.HOLD

HOLD

H.

HOLD

H.

HOLD

ADJ

--

----.-------

---

-.-

-----.--------.---------

.. ------------------

.- -

._---------------------

-.-------.----.-----~--------.-

-

..

(GND)

TP5E1 (16V)

-_·_·_·_-----------_·_------_·_--+----<1-----

R

o

K3

K?

K 1

f'

00::::0

---

------

M TP2002A

--

-.----

.. -..

---------

2 0 L506

--

1 R L505

-~--.-

----.-

t---.----

---

------

.

---

-~--.-.-

-----

N TP2001A

.. -.----.---.------------------1

0 VR402

P VR405 V

..

S VR5C1 TP502 6V

T VR403

-----

---------------------_._--1

--

-~----------------.--.----~

-

o

SUB

V.

LIN

.---------------------1

H.

WIDTH

...

--.-----.------.-------1

SIDE

f B T

HEIGHT

COIL

ADJ.

.-

--

12-

I

1 2 3 4 5

LED

PWB ASSY

VR

PWB ASSY INTERFACE VIDEO

PWB ASSY

CONTROL

PWB

ASSY

PWB ASSY

PWE-207E

PW~i-207D

PWE-207B PWE-207A

PWE-207C

5

~-~----,-"------------~--~-

X VR3

f------1,-~-

Y VR4 V SIZE

f--~~+--------------------

Z VR5 H. POSITION EE VR2

r------

AA

r--·~-r-~~-~--~------4_--

BB

V.

POSITION

--.----------.---~~--+-------.~~

SW1

H.

SIZE

SW2 TEXT

-----------'-.-~-'-----.-----

.----j~----

-13

----

CC DD VR701 SUB.

FF

-

---~---

SW3 TEXT

----.~-------

--~--~------------------

VR1

t-------~----·-·

------

COLOR

CONT BRIGHT CONTRAST

---.-~---.-

.-----.------~-

.-

I

INPUT

GG

HH

II

PWB ASSY

LL

KK--"

JJ

SW803 SW802 SW801

(PWE-206)

COLOR MODE MANUAL

MODE

GG

HH

JJ

KK

LL

"

VR803 VR802 VR801

CRT

-----

MM NN

~~-

t

------"--

PWB ASSY (PWE-203)

MM

,

CRT

SOCKET

SS

-

VR904

VR905

-~::~~-------------.------

~

-"'-"----------------------

TT

I~Q

.------~-

--

----+----------------1

RR

-

~~--

------

VR902 VR903 TP901 TP902

A

.-

-

14

--

I

SW. REG. PWB ASSY (PWE-198)

CONNECTOR"K"

CONNECTOR"C"

e·

~

/ VR652 REF

'L

..

·11

.LV-VR653

,'t:-I

,

if'-

~II

•

V.

LIMITER

CONNECTOR

"DEGAUSSING

CONNECTOR"SW'

COIL"

.-

-

15-

•

ADJUSTMENT

PROCEDURE

Standard Adjustment Conditions

1)

Power

source

2)

3)

Aging: Signals:

Video

Unless

Adjust

1. SW. REG.

1)

+B,

(VR651)185V

Adjust

2) t BUM

Note:

3) t

Remove Adjust

Do

not

BH

(VR652)

This

control

Do

not

(VR653)

voltage:

after

Analog Analog

Synchronizing

Deflection

otherwise

UNIT

VR651

to

V.limit

C-connector

VR653

to

operate

High

is

permanently

attempt

to

AC220V~240V

leaving

0.6Vp-p Sync.

specified,

LINE

be

85

be

the

Voltage

readjust.

power

750

on

green Video: Synchronizing

TTL

Separate/composite

frequency:

VDC

(C1-Gnd

122 Volts.

SW. Reg.

on

terminal

0.6Vp-p

level

H.

V.

use

signal

Voltage)

unit

control

sealed at

50 Hz.

for

20

minutes

Positive

03Vp-p

Negative

15kHz -35kHz 50

Hz -80

14

itself

factory

polarity

polarity/positive

Hz

(22kHz

without

EGA

any

or

more.

mode).

load.

polarity

2.

Pre-adjustment of DEF PWB

Apply

24V

DC

For

sections

used

as a

1)

I 16V

Adlust

2)

t6Vadjustment Applya Adjust

3) I-:lorizontal FIV Input

Adjust

3)

TESTING

adjustment

VR5EI

resistance

VR5CI

fH

ccc

25kHz

VR551

between

and

for

convertor

for

K2

4).

the

EOUIPMENT

16V t 0.05V

load

of

6 t 0.05V

adjustment

hOrizontal

10

±0.05V

and

K3.

JC-1402HMA

DC

between

1001

OW

between

DC

between

(signal 17)

synchronizing

DC

between

INTERFACE

TP5El

TP502

TP551

HC2

and

negative

and

PWB

the

HC3.

the

ground

polarity

the

ground.

ASSY S connector

ground.

5Vp-p

between

outPlit

S7 and

the

can

also

ground

be

.-

-

16-

•

4)

5)

Vertical Input

Adjust High High

High

FIV

convertor

fv =

60Hz

VR451

for voltage voltage

With DC

voltage With DC Due (74007891) .

protector protector

32.0 ±O. W

between

protector

31.8

±0.1 V DC

between

to

DHHS,after

vertical

5.95

TP2001C

TP2002C

3. Main Adjustment

Set

the

Front

external

controls

VR1

CONTRAST:

VR2

BRIGHTNESS: VR3 V VR4

V.SIZE VR5

HPOSITION:

VRs

(as seen

POSITION:

adjustment

synchronizing

±0.05V

setting

1

DC

applied

and

2

applied

and

adjusting

and

switches

from

front)

DC

between

the

between

the

VR2001

(signal

as

17)

positive

TP451

TP20().1 A and

ground.

TP2002A

ground.

and

follows

Max.

(fully

At

point Mechanical Center Center

click click

polarity

and

VR2002 seal

unless

otherwise

clockwise)

where

back

center

position position

12Vp-J'I

the

ground.

the

ground,adjust

the

ground,

with

luster

between

adjust

an

adhesive

specified.

disappears.

S6

and

the

ground.

VR2001

VR2002

for

(TSE-385RTV)or

0.3

±0.05V

±005V

cap

3-1)

Rear

DEF

(1)

(2)

(3)

(4)

SW1

H.SIZE:

SW2

TEXT:

SM3

TEXT

controls SW801 SW802 SW803

Horizontal a) b)

c)

Vertical Receive

the High Receive voltage Due Horizontal Check with

PWB

Short Receive screen. Receive screen.

indented

Voltage

to

L506.

MANUAL: MODE COLOR

Adjustment

Hold

signal

is 23.5kV

DHHS,after

that

COLOR

(as seen

Hold

TP501

signal

range.

Adjustment

Raster

the

from

MODE

and

TP503

16

(fH:

18

(IH:

14

(Iv:

60Hz),

16

(fH:

30.48kHz)

with

the the

adjusting

Centering

horizontal

rear)

(GNO).

30kHz)

20kHz)

linearity

Off Off Paper

Off Color 8

colors

turn

vertical

and

CRT

seal

Signal

(small)(left (left

side)

white

(left

side)

(right

(left

and

adjust

and

adjust

hold

adjust

anode

current

with

an

adhesive

14

(Adjust

is

suitable.

side)

(left

end)

side)

end)

horizontal

VR401

high

voltage

cut

at

VGA

If

it is

hold

(1) VR501

hold

(2) VR502 so

and

set

to

the

adjustment

off.

(TSE-385RTV)

H:

31.5kHzlV

extremely

bad,

so

that

mechanical

VR2003

or

60Hz, 350

adjust

so

cap

(74007891).

to a suitable

there

center

that

line

mode)

is

within

the

one

high

point

--- 17

.-

--

If

the

screen

VRS

to

the

Turn

the connector Reinsert Set

the

luster

horizontal

is

rolling,

center

brightness

RH

so

connector

centering

size

switch

t

z.

1°

0\ . No

o 0 • o 0 •

click

that

RH

-.

Little

Much

centering

position.

control

the

back

where

there

with

the

on

(widened).

oo""Hoc

correction

can

fully

luster

manual

CRT

be

adjusted

clockwise

is

in

the

is

no

extreme

switch

For of

with

so

that

center

lack

off

(to

horizontal

the

connector.

horizontal

~

back

of

the

CRT

of

or

break

the

left

correction,

position

raster

screen.

as

seen

appears,

in

the

from

set

with

VRS,

raster.

the

but

after

then

back)

direction

return

reinsert

and

the

NOTE:

Horizontal

(5)

Input

NOTE:

(6)

Vertical

a)

IJ)

(7)

Vertical Receive

Due

the

Signal CGA

EGA PGC PS/2

Linearity

Receive

Ad/ust

Sub

EGA

to

overscanning,

Position

signals

fH fH fH.

fH

The The

signal

VH405

Height

signal

below

TTL/analog manual

12

for

(Adjust

and

switch

(fH:

the

optimum

14 (fH:

Signals

to

the

adJust so

15.85kHz kHz

22

30.48kHz

31.5

kHz

setting

should

18kHz)

and

22kHz)

of

fH:

raster

to

should

be

adjust

vertical

and

18kHz

center)

the

center

TTL

signal

TTL

signal

TTL

signal

TTL

signal

be

off.

VR402

linearity.

adjust

or

lower

of

10 14

16 1

correct.

for

VR402

cannot

the

raster.

the

suitable

for a vertical

be set.

The

order

VR VR552

VR553 VR554 VR555

vertical

screen

is

not

screen

size

of

important.

size.

180mm.

.-

-~18

~

•

(8) Side Pin

(9)

(10)

Adjustment

3-2)

NOTE:

(1)

Cushion

djust

VR403

for

the

Horizontal Adjust

Horizontal Receive 250

The

If

correction

range

Initial Settings VR801 VR701 SUB VR901 - 903 VR904 - 906 SUB

Linearity

L506 fDr the

Width

EGA

signal 14 (fH: 22kHz) and

±2mm.

horizontal

so

Check adjustment. In to Video: Synchronizing: Unless

- 803

size

is

not

that the linearity

of

Video

that the

the signal paterno

Analog

otherwise

of

GAIN

BIAS

Amplitude

Adjustment

optimum

switch

sufficient

video

particular,

0.6Vp-p Separate

VR

CaNT

VR

BRIGHT

side

horizontal

should

does

signals

so

specified, use signal 10

VR

with

not

and

for

check

TTL

VRs

VR

be off.

L505,

get worse.

White

are as

LVG-1600.

the level

level

cushion

Fully Fully Fully Fully

distortion.

linearity.

adjust

width

turn

the

Balance

shown

the video signal

with

for

counterclockwise clockwise clockwise clockwise

coil

L505

for a horizontal

L506

linearity

below

the signal

video adjustments.

before

to

coil

performing

be adjusted.

slightly

output

screen size

and

adjust

the

main

level varies

of

within

according

a

(2) Video

a)

GAIN

CD

o

CD

Contrast

Receive the ABL Contrast Brightness Adjust are After settings.

Adjustment

VR

adjustment

window

even

with

contrast

control

VR801, VR802, and VR803

40Vp-p.

adjusting,

Fully

control

check

(Signal

pattern

Fully

(the

at

maximum

clockwise

counterclockwise

the

Vp-ps

11:

Window

video area

so

again

pattern)

of

1/3

is preferable).

that the

R,

G, and B

and readjust

Vp-p

- 1/2H x 1/2V in

outputs

if

they

do

not

which

on

the

conform

there is

VIDEO

to

the

no

PWB

-19-

.-

I

b)

SUB-CONT.

CD

Contrast Brightness

o

Adjust After If

not,

±O.SVp-p.

VR

control

cosntrol

VR701

adjusting,

fine-adjust

adjustment

so

that

the G output

check

that

VR701

Fully

counterclockwise

Fully

clockwise

the

Rand B outputs

so

that

the

on

R,

the

G,

video

PWB

is

are

10Vp-p

and B outputs

10Vp-p.

±O.SVp-p.

are

within

the

range

of

10Vp-p

Cut-off

(3)

Set

the

a)

CD

Short

o

Short

(Be As line. Turn clockwise. turn color

b)

Turn about

c)

Undo order.

NOTE:

SUB-BRIGHT.

(4)

a)

Receive

b)

Contrast Brightness

c)

Adjust Do

not

d)

Contrast Brightness

e) Receive an all

f)

Turn Following (4)'

procedure

Adjustment Turn

the sub-brightness a) Receive b)

Adjust appear,

readjust

c) Receive the

Adjustment

contrast

TP901 TP401

sure

the

screen

the

is

the

bias

as

bright

the

Perform tracking

signal

control

SUB

touch

control

VR904 and VR906

of

contrast

the

VR904

readjust

white

(All

control

and

TP902.

and

TPSE1 (16V) at 12kO.

to

perform

VR is

bias

VR

and

turn

screen

just

shorts

VR

slightly

VRs

for

as

the

between

the which

VR

Adjustment

10 (1S.7SkHz) H

control

BRIGHT.

VR905

control

black

can

be

sub-brightness

control

signal

8 (15.75 kHz) all

and

VR906

the

balance.

all

white

black

signal)

fully

counterclockwise.

step

CD

before

turned

for

the

cut-off

after

signal.

used

VR905

pattern.

gradually

that

the

bias

further

VR905 so

clockwise

visible.

colors

reference

TP401

adjustment

follows

Fully Fully

this.

Fully Fully

so

that

instead

VR

fully

counter mechanical

so

that

counter

color

VR

This

step

0.)

clockwise, a single

fully

counterclockwise.

for

the

set

color

is

the

other

than

the

color.

and

TPSEI 0

in as

better.

gray

scale

(16 clockwise counterclockwise

that

the

4/16

counterclockwise clockwise

the

back

raster

of

above.

clockwise,

center.

black

signal.

the

background

clockwise

color

to

appear

the

screen reference reference

and

between

dark a place

gradations).

gradation

is

white.

(Regarding

the

brightness

raster

so

that

color

Turn

fully

VR color color

TP901

as

is

just

quantum

becomes

the

retrace

will

appear

the

screen

counterclockwise.

at

the

point

where

for

the

cut-off

clockwise

possible

slightly

801C]

control

and

to

visible.

fully

white.

lines

for

TP902

make

disappear,

as a

horizontal

VR

further

the

adjustment.

that

they

CD

the

clockwise

If

retrace

Next third

in

that

white

and

lines

are

and

.-

--

20-

I

(5)

Fine

Adjustment

Color

The

color

a)

Receive (Window

b)

Contrast Brightness Check If

not,

c)

Set raster.

Check

If

not,

of

White

temperature:

should

signal

pattern -within a range

control

that

fine

the

contrast

that

fine

be

11

control the

white

adjust

the

white

adjust

Center

white

(15.75kHz,

Fully

the

control

tile

Balance

X = 0.310

Y = 0.325

with a slightly

pattern

counterclockwise

Fully

clockwise balance sub

balance

gain

is

bright

fully

clockwise

is

VR, VR801

blue

window) H gray

in

which

proper

for

VR, VR904

and

for

and

tinge.

there

all

gradations.

and

the

all

gradations.

VR803

scale

is

no

ABL.)

VR906

brightness

to

make

(16

make

control

it

white.

gradtions).

it

white.

so

that

there

is

no

back

(6)

Focus

Adjustment

(100%

white Contrast Brightness Turn

the

(7)

Purity

Adjustment

a)

Be

sure

b)

Ensure the

CRT

c)

Produce a complete, assembly such a manner same

d)

Check

purity.

or

4-dot

control

focus

<Ingle

Make

Fully

control

that

the

that

the

stem

is 29

to

obtain a complete

between

the

complete

minor

missing

clockwise

To

sufficient

and

display

spaCing

mm11

red

that

they

adjustments

adjust

is

between

pattern

advance

the

two

blue

signal)

brightness

not

being

mm.

field

tabs,

and

complete

for

the

the (See on

in

which

if

needed.

optimum

exposed

Purity, below

the

display.

of

the

an

opposite

focus.

to

any

Convergence

diagram)

Adjust

color

red.

direction should green

be

patterns

external

the

This

approximately

Magnet,

Purity

is

done

but

at

to

observe

magnetic

the

(PCM),

magnet by

moving

same

180

their

fields.

assembly

rings

the

time

0

.

respective

on

two

to

the

tabs

obtain

and

PCM

in

the

color

.-

-

21-

•

Purity

4-pole

6-pole

Purity,

Convergence Magnet Assembly

Magnets

magnets

29' 1 nlln

(Red

(Green

to\lue

to

Magenta

(I'CM)

Convergence)

~t

--,

Il

___

~

I<

Red

to

Blue

(Magenta)

Convergence

(8)

a)

Produce a magenta

b)

Adjust Also

c)

Vertical 4-pole

d)

Horizontal angle

e)

Produce a white

f)

Vertical of

the

g)

Horizontal keeping

B R

Perform the

an~le

~

_L_

1-

:

Perform rot.ltion

Convergence

Adjustment

the

focus

adjust

the

red

and

magnets

red

between

green

6-pole

magnets.

green

the

angle

the

adjustment

betwecn

I·

the

adjustment

of

thc

two

crosshatch

for

the

brightness

blue

lines

on

the

and

blue

them

constant.

crosshatcll

and

magenta

and

between

the

tabs.

by

tabs.

best

overall

to

the

are

converged

PCM

assembly.

lines

are

pattern

lines

magenta

them

by

opening

synchrunous

on

the

focus

desired

converged

on

are

converged

lines

constant.

Green

display.

on

condition.

by

(See

the

display.

are

converged

B/RG

-+-

___

1

Perform the

angle

~

~lLR

Perform

rotation

. .

the

adJustment

between

I

the

adjustmenl

of

the

two

the

tabs.

'--------~

to

Magenta Convergence

(White)

the

display.

varying above by

the

diagrams)

varying

by

varying

angle

the

by

between

two

tabs

the

angle

varying

the

together.

between

the

two

keeping

the

tabs

by

openln~

tabs.

hy

\yndlrollou')

of

the

two

tabs

together.

-22-

.-

•

BY

Indication

address

0

1 2 3

4

5

6

N

W

7

S 9

10

11 12 13 14

Abbreviation

CLOCK

H

FREO

V

FREO

CHR-SIZE

Nht

I

Nhd

Nhsp

Vpw-Hpw

Nadj

Nvt

Nvd

Nvsp

Nvspdj

INT

OUT

Unit

MHz

kHz

Hz

~OT

CHR CHR CHR

V.-RASTER

H-CHR

RASTER

LINE

LINE RASTER RASTER

ROM

address

XOO X03 X06 X09

XOB

XOO

XOF

X11

X13 X14 X1S

X1S X1A X1B X1C

01

I

28.320F 28.320F 28.320F

31.470F 31.470F 31.470F

50.032F 09X14 09X14

F100 F100 F100 F080 FOS2

02X12

13 F044 F037 F025 F025 F034 F030 F027

01 00 00

FOOOi1

02

SO.057F

F080 F080

F082

02X12 02X12

07

05

FOO011

03

70.0S9F 09X14

F082

01 F032 F025

09

00

FOO011

04

28.320F 2S.320F 28.320F

31.470F

50.032F 60.057F 70.089F 09X16

F100 F100 F080 F082

02X12

05 F039 F025 F031

06

00

F10011

LVG-1S00

05

31.470F 31,470F

09X16

FOSO F082

02X12

13

F032 F025 F028 F025

02 00

F10011 F10011

OS

09X1S

F100 F100 F080 F082 F082

02X12

01 F028 F039 F025 F030

12

I

00

07

28.320F 2S.320F 14.160F

31.470F

50.032F 09X16

FOeO

02X12 02X12

05

F033 F030

14 00

FOO011

,08

31.470F 31.470F SO.057F

09X16

F100 FOeO FOS2

13 F032 F030

10

00

FOO011

09

60.057F 09X16

F050 F042 F042

02X06

12

F032 FOi1 F031

01 00

FOO011

I!

I

Indication

address

0 1 2

3

I

4 5

I

6

I

7

8

9 10 11 12 13 14

Abbreviation

CLOCK

FREQ

H

FREQ

V

CHR-SIZE

Nht

Nhc

Nhsp

Vpw-Hpw

Nadj

Nvt

Nvd

Nvsp

Nvspdj

INT

OUT

Unit

I

MHz

I

kHz

Hz

I

DOT

CHR

I

CHR

I

CHR

V-RASTER

H-CHR

RASIER

LINE

LINE RASTER RASTER

i

ROM

address

XOO X03 X06 X09

XOB

XOO

XOF

X11

X13 X14 X16 X18

X1A X1S XIC

10

14.200F 14.200F

15.850F 15.850F 18A32F 22.003F

I 60.577F

08X10

F112 F080 F092 F062

I

01

X07

00 F026 F026 F026 F020 F023

05

I

00

F10011

11

60.577F 08X10

F112 F020

01X07

00 06 06

FOlD F018 F025 F035 F035

05 00

F10011

CGA

12

16.255F 16.370F 16.370F

49.817F 09X14 I 08X10 08X10

F098 F093 F093 F103 F080 F081

1

5X1

5

F025

00

FOO101

MOA

13

59.953F

F080 F080 F080

13X10 13X10 02X14

F036 F036 F035 F035 F040

I

01 00

F10001

BY

LVG-1600

14

22003F

59.953F 59.987F

F080

06

01 00

FOOOO1

EGA

15

25.110F 25.110F

30.473F

08X10

F080 F080

08

F050

F044

01 00

F11011

400(L)PGC480(H)

16

30.473F

59.987F 08X10

F103 F080 F080 F080 F088

02X14

08 F050 F048 F038 F048

01

00

F11011

'17

20.800F

25.000F

59.952F 08X10

F104

03X08

07

F041

F038

01 00

FOOO01

25k

•

18

16.640F

20.000F

60.060F 08X10

F104 F080 F088

03X08

03 F033 FOjO F030

01

00

FOOO01

20k

1\ i

•

DATA

TIMING

Real

Time

Dot Horizontal Vertical

Non-Real

Dots/Character Total Characters Drive Drive

OPTION

Signal

Gating

Composit Vertical Horizontal Vertical

FORMAT

FOR

PARAMETERS:

Parameters

Rate

Time

Parameters

Horizontal

Delay Width

PARAMETERS

Sync.

Step

Drive

USING

Quantum

801C

Vertical

Lines/Character

Total

Rows Drive Drive Step

OP

1.-0=off

OP

2.-0=off

OP

3.-0=off

OP

4.-0=off

MHz

KHz Hz

Delay

Width

l=on l=on l=on

l=on

Signal

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

No.

H:

31.47KHz

H: H:

31.47KHz

H:

31.47KHz

H:

31.47KHz

H:

H

31.47KHz

H:

31.47KHz

H: H:

lS.8SKHz 1S.8SKHz

H:

l8.43KHz

H: H:

22KHz 22

H

30.48KHz

H: H

30.48KHz

H:

25KHz

H:

20KHz

Description

KHz

V:

50Hz (350

V:

60Hz (350

V:

70Hz

(350

V:

50Hz

(400

V:

60Hz (400

V:

70Hz

(400

V:

50Hz

(480

60Hz (480

V: V:

60Hz (496 Lines)

WINDOW

(400 (480

PATTERN

Lines) Lines)

lines) lines) lines) lines) lines) Lines) Lines) Lines)

-

Signal

Polarity Composite Vertical Horizontal Vertical Video

Interlace

Video

Mode

Duty

Cycle

Character

Horizonatal Vertical Cursor

Skew

Step

Drive

Mode

Clocking

Skew

Sync.

Drive

Mode

OP

5.-0=non-inverted

OP

6.

-O=non-inverted 1 =inverted

OP

7.-0=non-inverted 1 =inverted

OP

8.-0=non-inverted

OP

13.-0=non-inverted/positive 1

=inverted/positive 2=non-inverted/negative 3=inverted/negative

OP

9.-0c-cnon-interlace 1

=interlaced

3=interlaced

OP

1O.-0~-=monochrome

OP

11.-0=50%

o

or

1~100%

OP

12-0~single-phase

2=dual-phase OP14.-skew OP

15.-skew

OP

16.

-O:off 1=last 2=slow 3=on

1=100%(OP

right

down

blink

continuous

l=inverted

1-c-inverted

sync sync & video

(OP

12.2)

0-3

dots

0-9

lines

only

1

=-~color

120)

.-

-25-

NEC JC1402HME, JC1402HMEE, JC1402HMED, JC1402HMN, JC1402HMR Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual