Tatung OMNISCAN SERIES User manual

Service Manual

COLOR

MONITOR

OMNISCAN

SERIES

CM17MBDjH/R

CIYI20MBDjHjR

CTATUN&

-------

TABLE

CONTENTS

ERAL

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

1-1

1.1

SAFETY ------------------------------------------------------------------------------------------------------------------

1-1

1.2 SPE

0 NS ----------------------------------------------------------------------------------------------------

1-1

1.3

CONTROLS ------------------------------------------------------------------------------------------------------------ 1-3

1.4

MAKI

CONN

ECTI

---------------------------------------------------------------------------------------- 1-5

ADJU

STM

ENT

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

2-1

UIT DESCRIPTION --------------------------------------------------------------------------

3-1

FLOW CHART ----------------------------------------------------------------------------------------

4-1

SIG

NAL IDENTIFICATION TABLE --------------------------------------------------------------

5-1

TROUB

SHOOTING------------------------------------------------------------------------------

6-1

REPLACEMENT

PARTS

LIST

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

7-1

PCB LAYOUT ----------------------------------------------------------------------------------------

8-1

ASSEMBLY METHODES --------------------------------------------------------------------------

9-1

10.

RCU

DIAG

RAM

S--------------------------------------------------------------------------------10-1

= 1-0 =

GENERAL

1.1

SAFETY

WARNING:

DANGEROUS VOLTAGE

ARE

PRESENT

THIS CIRCUIT

WHENEVER

POWER

CONNECTED

THE CIR-

CUIT BOARDS,

EVEN

THOUGH

THE

PRODUCT

POWER

SWITCH MAY

IN THE 'OFF' POSITION.

PROPER

SAFETY PRECAUTIONS MUST

TAKEN

ENSURE

THE

SAFETY OF PERSONS WORKING ON THE

BOARDS.

POTENTIOMETER ADJUSTMENTS:

R481, R626,

R818,

R640,

R211

SHOULD

ADJUSTED

CORRECT

POSITION DURING FUNCTIONAL

TEST.

1.2 SPECIFICATIONS

17" SPECIFICATIONS

Picture Tube

Resolution

Display Colors

*Display Area

Video Input

Video Bandwidth

Scanning Frequency

Sync. Input Form

Applications

Power Input

Power Consumption

Weight

Dimension

base)

Safe

Standard

EMI Standard

Standard Accessory

Optional Accessory

Recommended

Ambience

inch

(16V),

Dark Tinted, Anti-Glare,

.0.28/0.31 mm

dot

pitch (option)

degree deflection.

(Dynamic focus/Single focus option)

640

350

(min.), up

1280 x

1024

(max.)

unlimited

290

mm x 218 mm (typical)

Analog-RGB (positive)

BNC:

100

MHz

D-SUB:

MHz

Vertical: 50Hz to 90Hz (Automatic)

Horizontal: 29KHz to 66KHz (Automatic)

Separate Sync.

Sync. on green

Composite Sync.

VGA,

XGA,

8514A,

PGC,

MACII

CAD

/CAM, Workstation, etc.

Switch Selectable

100

125V (60Hz)

AC 200 to 240V (50Hz)

120W (max.)

21.5KG/24.5KG (N.W.jG.W.)

411

x 380 x 480 mm

(W/H/D)

UL/CSA, TUV Optional

FCC

Class A model,

Fh:

29KHz

66KHz

FCC

Class B model,

Fh:

29KHz

62KHz (Class

Fh:

63KHz

66KHz (Class

FTZ Optional

Tilt/Swivel Base

(47

mm height)

0-15 pin to Mini 0-15 pin signal cable.

Power cord

signal cables (BNC)

Operating Temperature: + 0 to +35 degree

Storage Temperature:

Humidity: -

degree

10% to

(32

degree

(-4

140

degree

* Approximate only. Active display area depends on actual signal timing.

* Specifications subject

change without notice.

= 1-1 =

20" SPECIFICATIONS

Picture Tube

Resolution

Display Colors

*Display Area

Video Input

Video Bandwidth

Scanning Frequency

Sync.

Input Form

Applications

Power Input

Power Consumption

Weight

Dimension

base)

Safe

Standard

EM! Standard

Standard Accessory

Optional Accessory

Recommended

Ambience

inch

(19V),

Dark Tinted, Anti-Glare,

0.31

dot pitch

degree deflection.

(Dynamic focus/Single focus option)

640

350

(min.), up to

1280

1024

(max.)

unlimited

350

262

(typical)

Analog-RGB (positive)

BNC:

100

MHz

D-SUB:

MHz

Vertical:

Horizontal:

50Hz to 90Hz (Automatic)

29KHz

66KHz

(Automatic)

Separate Sync.

Sync.

green

Composite Sync.

VGA,

XGA,

8514A,

PGC,

MACI!

CAD/CAM, Workstation, etc.

Switch Selectable

100

125V

(60Hz)

200

240V

(50Hz)

135W

(max.)

28.5KG/32.6KG (N.W./G.W.)

480

420

540

/H/D)

UL/CSA,

TUV

Optional

FCC

Class A model,

Fh:

29KHz

to 66KHz

FCC

Class B model,

Fh:

29KHz

to 62KHz (Class

Fh:

63KHz

to 66KHz (Class

FTZ

Optional

Tilt/Swivel

Base

(47

height)

0-15 pin

Mini 0-15 pin signal cable.

Power cord

signal cables (BNe)

Operating Temperature: + 0 to +35 degree

(32

degree

Storage Temperature:

-20

to +60 degree

(-4

140

degree

Humidity:

10%

* Approximate only. Active display area depends on actual

Signal

timing.

* Specifications subject to change without notice.

1-2 =

1.3 CONTROLS

17"

FRONT{REAR PANEL CONTROLS

fi!iiil

-I

Push open

"'tn

"'0. ..e-

-0·

-----

SIZE'

SITION-

SIZE-

POWER

LED

•

l:!:t

2. POWER SWITCH

~4.

SRI

GHTNESS CONTROL

ONTRAST CONTROL

lb.d

@o5l

11. MEM

10. MODE

DPC

ORY

RECALL

SWITCH

POSITION

Front Panel Controls

DEG]!'USSING SWITCH

I!-+~;+---~

115V/230V SWITCH

-lJ--.j..g~--I::;:;--t--------l

POWER INPUT

~4--:~~+

'H+-I--+-+-l+-

BNC INPUT

CONNECTOR

SYNC.

SW.

SIGNAL VOLTAGE SWITCH

5. D-SUB CONNECTOR

MINI D-SUB CONNECTOR

Rear Panel Control

1-3 =

20" FRONT{REAR PANEL CONTROLS

r=::::J

"1l I

POSITION

H. SIZE

POWER LED

'£

t::2.

POWER SWITCH

J 3. CONTRAST CONTROL

BRIGHTNESS CONTROL

I PUSH OPEN

E11.

MEMORYRECALL

10.

MODE

SWITCH

DPC

L--

______

POSITION

Front Panel Controls

115V/230V SWITCH

POWER INPUT

DEGAUSSING SWITCH

1'0

r-L.

>-:::

r'O

6~""

~\~

1 t

Rear Panel Control

1-4 =

a/)

f\t--

......

c"":::!

BNC

INPUT

CONNECTOR

SYNC.

SW.

SIGNAL VOLTAGE SWITCH

D-SUB CONNECTOR

MINI D-SUB CONNECTOR

1.4

MAKING

CONNECTIONS

)

IBM PC

Signal cable

(2)

Apple Macintosh

Signal cable

(3)

Apple Macintosh

(SYNC. SW.)

~--------......I

SUB

(SYNC. SW.)

D.SUB

_______

--J

MINI

(SYNC.

sw.)

D.SUB

_______

---I

MINI

SUB

= 1-5 =

(4)

Other computers SYNC.

SW.

)

( ON D

CABLEx4

(5)

Other computers SYNC.

SW.)

( ON D

Signal cable B

CABLEx5

(6)

Workstation SYNC. SW.)

( OFF

Signal cable R

G+SYNC.

CABLEx3

= 1-6 =

BNC CONNECTIONS & CABLE PIN ASSIGNMENTS

BNC

Connections

CONNECTOR

G(jSYNC.)

H/HV

REMARKS:

G(jSYNC.)

SYNC.

GREEN

RED

GREEN

& SYNC.

BLUE

H/HV

COMPOSITE SYNC.

RED

GREEN

BLUE

H+V

SYNC.

VIDEO SIGNAL LEVEL

0.7/1.0 Vp-p (SELECTABLE).

SYNC. SIGNAL LEVEL

TTL.

"-"

MEANS NO CONNECTION.

= 1-7 =

SEPARATE SYNC.

RED

GREEN

BLUE

D-SUB 15 PIN

MINI D-SUB 15 PIN

SIGNAL CABLE PIN ASSIGNMENTS

SIGNAL

NO.

FOR

NO.

FOR

D-SUB

MIN D-SUB 15

(MAC

II)

01GA/8514A)

RED

2 1

GREEN/SYNC. ON

GREEN

5 2

BLUE 9 3

SYNC./H+V

SYNC. 7

V SYNC.jV MODE 8

GROUND 1 4 6

467

OPEN

12 15

5 9

12 15

= 1-8 =

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