Panasonic WVBM990 - VIDEO MONITOR Bedienungsanleitung

SPECIFICATIONS

Power Source : 220-240 V AC, 50 Hz

Power Consumption : Approx. 28 W

Screen Size : 245 mm (9-5/8’’) diagonal tube size, 90° deflection.

220 mm (8-11/16’’) diagonal actual visual size.

Horizontal Resolution : 800 TV lines at centre

Video Input : 1.0 V[p-p] composite/75 Ω, BNC with Auto Termination

Video Output : Looped through video input, BNC

Horizontal Scanning Frequency : 15.625 kHz

Vertical Scanning Frequency : 50 Hz

Sweep Linearity : Horizontal; Less than 5 %

Vertical; Less than 5 %

Ambient Operating Humidity : Less than 90 %

Ambient Operating Temperature : –10°C - +50°C (14°F - 122°F)

Dimensions : 221 (W) x 220 (H) x 262 (D) mm [8-11/16’’ (W) x 8-11/16 (H) x 10-5/16’’]

Weight : 5.2 kg(11.5 lbs.)

Weight and dimensions shown are approximate.

Specifications are subject to change without notice.

OPTIONAL ACCESSORY

Rack Mount Bracket ............................................. WV-Q29E

WV-BM990

ORDER NO. AVS0004254C8

POWER

VideoMonitorWV-BM

990

OFF

VHOLDBRIGHTCONTRAST

C2000 Matsushita Communication Industrial Co., Ltd.

distribution is a violation of law.

Video Monitor

This service information is designed for experienced repair technicians only and is not designed for use by the

general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to

service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any

attempt to service or repair the product or products dealt with in this service information by anyone else could

result in serious injury or death.

Y WARNING

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:

TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK). NO USER

SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE

PERSONNEL.

This symbol warns the user that uninsulated voltage within

the unit may have sufficient magnitude to cause electric

shock.Therefore, it is dangerous to make any kind of contact

with any inside part of this unit.

This symbol alerts the user that important literature concerning

the operation and maintenance of this has been included.

Therefore, it should be read carefully in order to avoid

any problems.

There are special components used in this equipment which are important for safety. These parts are indicated

by the ”Y” mark on the schematic diagram and the replacement parts list. It is essential that these critical

parts should be replaced with manufacturer's specified parts to prevent X-radiation, shock, fire, or other hazards.

Do not modify the original design without permission of manufacture.

IMPORTANT SAFETY NOTICE

CONTENTS

Major Operating Controls and Their Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Adjustment Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Location of Test Points and Adjusting Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Conductor View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

– 1 –

MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS

Video Monitor WV-BM

POWER

OFF

V.HOLD BRIGHT CONTRAST

VIDEO IN VIDEO OUT

q w r t y u

qPower Switch (POWER, ON/OFF)

This is a push-push type switch which turns the power of

this monitor on and off.

Press once (switch remains down (;)) to turn on the

power of the monitor.

Press again (switch comes up (l)) to turn off the power

of the monitor.

wPower Indicator

This indicator is on when the monitor’s power is turned

on.

eVertical Hold Control (V-HOLD)

This control is used to lock the vertical position of the

picture.

rBrightness Control (BRIGHT)

Adjusts the picture brightness. Turn this counterclock-

wise to increase the picture brightness, and turning the

control clockwise has the reverse effect.

tContrast Control (CONTRAST)

Adjusts the picture contrast. Turn this counterclockwise

to increase the picture contrast, and turning the control

clockwise has the reverse effect.

yVideo Input Connector (VIDEO IN)

For input of the composite video signal from the out-

board device.

uVideo Output Connector (VIDEO OUT)

The video input signal connected to the video input con-

nector yis looped through to this connector and termi-

nated automatically.

iAC Power Cord

Plug the power cord to an AC outlet.

●Front View ●Rear View

– 2 –

ADJUSTMENT PROCEDURE

1. Test Equipments Required

8The following Test Equipments are required for

adjustment of the Video Monitor WV-BM990.

8Video Signal Generator (Crosshatch Signal)

8Monoscope Pattern Signal Generator

8Oscilloscope

8Digital Voltmeter

8Degaussing Coil

8Ceramic Screwdriver

8Electric Torque Driver

2. Disassembling Procedure for the

Adjustment

8Referring to Fig. 2-1, remove eight screws that secure the

Upper Cover and the Rear Cover. Remove the Upper

Cover and the Rear Cover.

Fig. 2-1

3. Connection and Setting up for

Adjustment

3.1. Connection

8Fig. 3-1 shows the connecting diagram for adjustment

procedure of the WV-BM990.

Fig 3-1

Remove eight screws.

Upper Cover

Rear Cover

8Connect the coaxial cable between Video Input Connector

of the WV-BM990 and Video Output Connector of Video

Signal Generator.

3.2. Setting Up

8Set the every adjusting VRs to their mechanical center

positions.

8This adjustment should be done after 20 minutes warm up

of the WV-BM990.

4. Adjustment Procedure

8Refer to the Location of the Test Points and

Adjusting Controls on the page 4.

(1). Freerun Adjustment

Test Point: Pin H+ of CN501 (H+) Main Board

Adjust: VR501 (H-HOLD) Main Board

VR515 (H.PRESET) Main Board

8Disconnect all the input signals from the WV-BM990.

8Connect the Frequency Counter to Pin H+ of CN501.

8Fix VR501 (H-HOLD) at its center position.

8Adjust VR515 so that the frequency becomes 15.400 kHz

± 50 Hz.

(2). Cut Off Voltage Adjustment

Adjust: VR401 (V-HOLD) Main Board

Deflection Coil (DY)

VR301 (CONTRAST) Main Board

VR302 (BRIGHT) Main Board

VR602 (SUB-BRIGHT) CRT Board

Observe: Video Monitor Screen

8Supply the Monoscope Pattern signal to the Video Input

Connector.

8Adjust VR401 to hold picture vertically.

8Adjust the Deflection Coil so that the edges of the

Monoscope Pattern are visible in the monitor screen.

8Turn VR301 fully counterclockwise.

8Turn VR302 to its mechanical center position.

8Adjust VR602 so that the Raster just appear.

(3). Picture Tilt Adjustment

Adjust: Deflection Coil (DY)

Observe: Video Monitor Screen

8Supply the Monoscope Pattern signal to the Video Input

Connector.

8Loosen the Deflection Coil Holding Screw as shown in Fig.

4-1.

WV-BM990

Video Signal Generator

VIDEO IN

– 3 –

Fig. 4-1

8Turn the Deflection Coil until the raster becomes straight

on the monitor screen.

8Tighten the Deflection Coil Holding Screw carefully.

Note: When fixing the Deflection Coil Holding Screw, push

the Deflection Coil to connect to CRT tightly.

(4). Centering and Horizontal Size Adjustment

Adjust: VR301 (CONTRAST) Main Board

VR302 (BRIGHT) Main Board

Centering Magnets

L501 (H.SIZE) Main Board

Observe: Video Monitor Screen

8Supply the Monoscope Pattern signal to the Video Input

Connector.

8Fix VR301 and VR302 at their center positions.

8Adjust the Centering Magnets as shown in Fig. 4-1 until

the Monoscope Pattern signal comes to the center on the

monitor screen.

8Adjust L501 so that the full Horizontal Width becomes plus

6% overscanning.

8Repeat adjusting the Centering Magnets and L501 until

satisfactory.

(5). Vertical Height and Vertical Linearity Adjustment

Adjust: VR408 (V.SIZE) Main Board

VR412 (V.LINE) Main Board

Centering Magnets

Observe: Video Monitor Screen

8Supply the Monoscope Pattern signal to the Video Input

Connector.

8Fix VR301 and VR302 at their mechanical center positions.

8Adjust VR408 so that the full Vertical Height becomes plus

6% overscanning.

8Adjust VR412 so that the circle portion of the Monoscope

Pattern signal becomes nearly a true circle.

8Adjust the Centering Magnets so that the full Horizontal

Width and full Vertical Height become the same

overscanning rate.

8Repeat adjusting VR408, VR412 and the Centering

Magnets until satisfactory.

(6). Focus Adjustment

Adjust: VR601 (FOCUS) CRT Board

Observe: Video Monitor Screen

8Supply the Monoscope Pattern signal to the Video Input

Connector.

8Adjust the VR601 for the best focus in the monitor screen.

(7). Raster Distortion Adjustment

Adjust: Deflection Magnets

Observe: Video Monitor Screen

8Supply the Crosshatch signal to the Video Input Connector.

8Adjust 8 magnets as shown in Fig. 4-2 so that the raster

distortion becomes minimum.

Fig. 4-2

8The raster distortion against 8 magnets are as shown in

Fig. 4-3.

Fig. 4-3

Loosen Deflection Coil Holding Screw.

Centering Magnets

Deflection Coil

Adjust eight magnets.

– 4 –

MAIN BOARD

(COMPONENT SIDE)

VR501

(H-HOLD)

VR515

(H.PRESET)

VR408

(V.SIZE)

VR412

(V.LINE)

VR301

(CONTRAST) VR302

(BRIGHT) VR401

(V-HOLD) SW801

(POWER

SWITCH)

L501(H.SIZE)

CN501

CN601

TP5 TP6

CN302 CN301

TP1

TP3 TP2

H+

H–

V–

V+

TP7

TP4

REAR SIDE

FRONT SIDE

VR602

(SUB-BRIGHT)

VR601

(FOCUS)

CRT BOARD

(COMPONENT SIDE)

LOCATION OF TEST POINTS AND ADJUSTING CONTROLS

MAIN BOARD CRT BOARD

101

750

104

154 222

470 223

822

102

562

181

133

392

153 103

820

681

122

101

221 101

392

272

560

104

102

221

431

273

101

103 121

471

474

223

102 102

563

103 473

822 333

562 563

202

OPEN

103

100

222

823

IC501

391

152

VR401 103 101

R423 183

R406

103

473

563

122

392

393

122 332

104

VR412 502

R407 2802R422 221

C406

220/16V

R409

152

R410 392

103

102

393

104

393

394 154

474 474

104 334

105

151 182

333

400V 393

400V

333

120

680

562

390

683

271

153

682

8R2

6R8

5R6

153 152

473

R800

0R56 3W

181 471

TP1

TP2

470

IC801

C803 224/100V

J801

J802

R808 394

5230

2260

SHORT

9311

H+

V101

OPEN OPEN

OPEN

250V

205

GND

105

R413

1R8 3W

R411 6651

D401

501

R403

1242

E101

123

3652

4121

CN302

VIDEO INPUT

CONNECTOR

CN301

VIDEO OUTPUT

CONNECTOR

SW801

POWER SWITCH

AC POWER

CORD

VR301

CONTRAST

VR302

BRIGHT

VR401

V-HOLD

VR408

V.SIZE

VR412

V.LINE

L501

H.SIZE

VR515

H.PRESET

VR501

H-HOLD

VR602

SUB-

BRIGHT

VR601

FOCUS

Important safety notice

Components Identified by " Y" mark have special characteristics for safety.

When replacing any of these components, use only manufacturer's specified parts.

123 45 6

F801

2A 250V

FS2FS1

GRN

BLK/BROWN

BLUE/

WHT

R418

561 0.5W

Q502

T501

T502

D501

D506

Q503

Q501

Q504

C407

47/25V

Q306 Q307

Q801

PT801

SW801

CN803

CN802

D801

Q302

Q303

Q304

Q309

Q308

Q301

Q305

SCHEMATIC DIAGRAM

– 5 –

MAIN BOARD MAIN BOARD

CRT BOARD

(Component Side View) (Component Side View) (Pattern Side View) (Pattern Side View)

123 45 6

IC801

14.0

1.3

Pin1

IC501

4.0

6.7

3.8

11.8

5.5

2.0

11.3

5.7

0.6

6.9

4.8

3.5

4.1

2.3

4.1

1.6

Q301

302

303

304

305

306

307

308

309

501

502

503

504

801

6.0

2.3

9.2

3.1

11.9

12.4

0.2

2.1

3.5

0.6

–0.1

0.6

12.4

9.2

5.8

1.0

0.4

3.1

3.5

69.8

10.5

12.3

10.5

0.6

12.4

5.3

1.7

9.9

3.6

12.4

3.1

0.1

0.6

17.6

< VOLTAGE >

MAIN BOARD

2. 5 ms/DIV, 1 V/DIV 3. 20

s/DIV, 20 V/DIV1. 5 ms/DIV, 5 V/DIV

< WAVEFORM >

MAIN BOARD

Note: The value indicated in the schematic diagram should be read as follows:

Multiplier (0 - 5)

2nd. Significant Digit (0 - 9)

1st. Siginificant Digit (1 - 9)

<Example> For Capacitor:

(Except Electrolytic Capacitor and Tantalum Capacitor):

820 B82 x 10 = 82 pF

102 B10 x 10 = 1000 pF = 0.001 µF

104 B10 x 10 = 100000 pF = 0.1 µF

For Coil:

010 B1 x 10 = 1 µH

8R2 B8.2 x 10 = 8.2 µH

101 B10 x 10 = 100 µH

For Resistor:

330 B33 x 10 = 33 Ω

561 B56 x 10 = 560 Ω

123 B12 x 10 = 12k Ω

0R00 = 0 Ω

IC501 C4

IC801 A3

Q301 C2

Q302 C2

Q303 C2

Q304 C3

Q305 C2

Q306 C2

Q307 C2

Q308 C3

Q309 C3

Q501 A5

Q502 A5

Q503 A4

Q504 B4

Q801 A3

< INDEX >

MAIN BOARD D301 C3

D401 B4

D402 A4

D403 B3

D404 B3

D409 B4

D501 A5

D503 A6

D504 A6

D505 B3

D506 B4

D801 A2

D805 A4

IC501 B2

IC801 C2

Q301 A1

Q302 B1

Q303 B1

Q304 B1

Q305 A1

Q306 B1

Q307 B1

Q308 B1

Q309 B1

Q501 B2

Q502 B2

Q503 B2

Q504 B2

Q801 C2

< INDEX >

MAIN BOARDD301 B1

D401 B1

D402 C1

D403 B1

D404 B2

D409 A1

D501 A2

D503 B3

D504 B3

D505 B3

D506 B2

D801 C1

D805 C1

– 6 –

CONDUCTOR VIEW

Video Monitor WV-BM

VideoMonitorWV-BM

PACKAGING

THT4C0004 Pan Head Tapping Screw and Washer Assy

XTV3+12C Blazer Head Tapping Screw

XSB3+10FX Binding Head Screws

XTW3+10G Washer Head Tapping Screws

XTB4+12A Binding Head Tapping Screws

THT4C0005 Pan Head Tapping Screw and Washer Assy

XNGB4C002 Hexagon Head Nut

XTB4+15A Binding Head Tapping Screws

XTB4+8F Binding Head Tapping Screw

XWC4BFY Internal Toohted Lock Washer

XYA4+EF8 Binding Head Tapping Screw and Washer Assy

XTB3+8FN Binding Head Tapping Screws

XTB3+10JFN Binding Head Tapping Screws

XYA4+BA20FX Binding Head Tapping Screw and Washer Assy

TUC4C0198C Washers

ScrewsNo. Description

Numbers show screws, washers, nuts and etc.

M17

M36 M31

M41, M42

M49

M50

M45

M46

M18

M22

M20

M21

M13

M12

M14

M11

V101

M19

M35

M16

M23

PT801

E101

M32

M26

M25

PCB2

PCB1

M15

15 15

10 11

WV-BM990

EXPLODED VIEW

– 7 –

Andere Handbücher für WVBM990 - VIDEO MONITOR

Inhaltsverzeichnis

Andere Panasonic Monitor Handbücher

Panasonic

Panasonic BT-LH910G Bedienungsanleitung

Panasonic

Panasonic MTM1980 - DISPLAY MEDICAL MONITOR Bedienungsanleitung

Panasonic

Panasonic GT series Bedienungsanleitung

Panasonic

Panasonic PANASYNC SM70 Bedienungsanleitung

Panasonic

Panasonic Toughbook CF-VDL02BM Bedienungsanleitung

Panasonic

Panasonic WVCM143 - COLOR MONITOR Bedienungsanleitung

Panasonic

Panasonic TH-55LFV9W Bedienungsanleitung

Panasonic

Panasonic TH-42PW6 Bedienungsanleitung

Panasonic

Panasonic TH-55LFV50W Bedienungsanleitung

Panasonic

Panasonic CFVDL02 - LCD MONITOR/ LPTP Bedienungsanleitung

Panasonic

Panasonic TH-50LFE6E Bedienungsanleitung

Panasonic

Panasonic WV-CM1020 Bedienungsanleitung

Panasonic

Panasonic TH-80BF1U Bedienungsanleitung

Panasonic

Panasonic CFVDL02 - LCD MONITOR/ LPTP Bedienungsanleitung

Panasonic

Panasonic TH-L37U20R Bedienungsanleitung

Panasonic

Panasonic CYVMX6800U - 6.8" CLR MONITOR/DVD Bedienungsanleitung

Panasonic

Panasonic CF-VDW07CRFM Bedienungsanleitung

Panasonic

Panasonic PanaMedia PM15 Bedienungsanleitung

Panasonic

Panasonic TH-55LFV8W Bedienungsanleitung

Panasonic

Panasonic TH-50PD12U Bedienungsanleitung

Panasonic

Panasonic TH-65PHD8BK Bedienungsanleitung

Panasonic

Panasonic CF-VDL03U Bedienungsanleitung

Panasonic

Panasonic Viera TH-42PW3 Bedienungsanleitung

Panasonic

Panasonic TH-55LFV50W Bedienungsanleitung

Beliebte Monitor Handbücher anderer Marken

Linear Acoustic

Linear Acoustic LQ-1000 Bedienungsanleitung

AOC

AOC I2579V Bedienungsanleitung

Gateway

Gateway FPD1520 Bedienungsanleitung

Furuno

Furuno Mu 120c Bedienungsanleitung

Asus

Asus VB171D - 17" LCD Monitor Bedienungsanleitung

Dell

Dell S2230MX Gebrauchsanweisung

Philips

Philips 107C64 Bedienungsanleitung

Dell

Dell S2409WFP Bedienungsanleitung

EverFocus

EverFocus EN-7517E Bedienungsanleitung

Dell

Dell Precision 7680 Bedienungsanleitung

LG 50PM1M - - 50" Plasma Panel Bedienungsanleitung

Bosch

Bosch DDU 9 Bedienungsanleitung

Acer

Acer A231HL Bedienungsanleitung

Philips

Philips 86BDL4152T Bedienungsanleitung

NEC

NEC AccuSync LCD5V Bedienungsanleitung

Emay

Emay SleepO2 Bedienungsanleitung

IBM

IBM 6360 Montageanleitung

Acer

Acer CB382CUR Bedienungsanleitung