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Panasonic WVBM990 - VIDEO MONITOR, Service Manual

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Panasonic WVBM990 - VIDEO MONITOR Service Manual Download Page 10

Video Monitor  

WV

-BM

Vid

eo M

onito

r  W

V-B

M

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

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Screws

No.

Description

Numbers show screws, washers, nuts and etc.

1

M17

M36

M31

M41, M42

M49

M49

M50

M45

M46

M18

M22

M20

M21

M13

M12

M14

M11

M4

V101

M1

M7

M19

M4

M4

M2

M35

M16

M8

M8

M23

PT801

E101

M3

M4

M6

M8

M8

M32

M26

M25

PCB2

PCB1

M15

1

2

3

4

8

8

15

15

5

4

8

9

10

11

12

13

13

13

WV-BM990

14

14

14

14

7

6

EXPLODED VIEW

– 7 –

Summary of Contents for WVBM990 - VIDEO MONITOR

Page 1: ...an 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 Video Monitor...

Page 2: ...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 sh...

Page 3: ...NTENTS 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 ...

Page 4: ... vertical position of the picture r Brightness Control BRIGHT Adjusts the picture brightness Turn this counterclock wise to increase the picture brightness and turning the control clockwise has the reverse effect t Contrast Control CONTRAST Adjusts the picture contrast Turn this counterclockwise to increase the picture contrast and turning the control clockwise has the reverse effect y Video Input...

Page 5: ...rocedure 8 Refer 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 8 Disconnect all the input signals from the WV BM990 8 Connect the Frequency Counter to Pin H of CN501 8 Fix VR501 H HOLD at its center position 8 Adjust VR515 so that the frequency becomes 15 4...

Page 6: ...rve Video Monitor Screen 8 Supply the Monoscope Pattern signal to the Video Input Connector 8 Fix VR301 and VR302 at their mechanical center positions 8 Adjust VR408 so that the full Vertical Height becomes plus 6 overscanning 8 Adjust VR412 so that the circle portion of the Monoscope Pattern signal becomes nearly a true circle 8 Adjust the Centering Magnets so that the full Horizontal Width and f...

Page 7: ...VR412 V LINE VR301 CONTRAST VR302 BRIGHT VR401 V HOLD SW801 POWER SWITCH L501 H SIZE CN501 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 ...

Page 8: ...RT 9311 H K V101 OPEN OPEN OPEN OPEN 250V 205 GND 105 R413 1R8 3W R411 6651 D401 501 R403 1242 E101 1 2 3 3652 1 4121 1 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 Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Important safety notice ...

Page 9: ...nificant Digit 0 9 1st Siginificant Digit 1 9 Example For Capacitor Except Electrolytic Capacitor and Tantalum Capacitor 820 B 82 x 10 82 pF 102 B 10 x 10 1000 pF 0 001 µF 104 B 10 x 10 100000 pF 0 1 µF 0 2 4 For Coil 010 B 1 x 10 1 µH 8R2 B 8 2 x 10 8 2 µH 101 B 10 x 10 100 µH 0 2 4 0 1 3 For Resistor 330 B 33 x 10 33 Ω 561 B 56 x 10 560 Ω 123 B 12 x 10 12k Ω 0R00 0 Ω IC501 C4 IC801 A3 Q301 C2 Q3...

Page 10: ...C4BFY 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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Screws No Description Numbers show screws washers nuts and etc 1 M17 M36 M31 M41 M42 M49 M49 M50 M45 M46 M18 M22 M20 M21 M13 M1...

Page 11: ...tor D301 MA165TA5VT Diode D401 1N4003TB26 Diode D402 MA4120H Diode D403 MA165TA5VT Diode D404 MA165TA5VT Diode D409 1N4148T77 Diode D501 FR154 T Diode D503 ES01FV0 H Diode D504 ES01FV0 H Diode D505 MA165TA5VT Diode D506 MA4150M Diode D801 Y D3SB60 Diode D805 LPG3333 LED R301 ERDS2TJ750 Carbon 75 ohms 1 4W R302 ERDS2TJ101 Carbon 100 ohms 1 4W R303 ERDS2TJ223 Carbon 22K ohms 1 4W R304 ERDS2TJ223 Car...

Page 12: ...1 4W R808 ERC12AGK394D Solid 390K ohms 1 2W VR301 VUE2AF20B13C Variable Resistor 1K ohms VR302 VUE2AF20B13C Variable Resistor 1K ohms VR401 VUE2AF20B14C Variable Resistor 10K ohms VR408 TAV1028B501 Variable Resistor 500 ohms VR412 TAV1028B502 Variable Resistor 5K ohms VR501 TAV1028B103 Variable Resistor 10K ohms VR515 TAV1028B103 Variable Resistor 10K ohms C303 CCR1H470JG1D Ceramic 47 pF 50V C304 ...

Page 13: ...SR 1 5 GT pin TP6 TELBSR 1 5 GT pin M15 TUC4C0043 10 Heat Sink for Q801 M16 TUC4C0153 4C Heat Sink M17 TUC4C0108C Heat Sink for Q502 PCB2 RTL NP4CH0030232 Printed Circuit Board Assy R601 ERDS2TJ104 Carbon 100K ohms 1 4W R602 ERDS1TJ334 Carbon 330K ohms 1 2W R603 ERDS1TJ474 Carbon 470K ohms 1 2W R604 ERDS2TJ154 Carbon 150K ohms 1 4W R605 ERDS1TJ394 Carbon 390K ohms 1 2W R606 ERDS2TJ474 Carbon 470K ...

Page 14: ...Printed in Japan C 756 N N 5 7 23 ...

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