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Panasonic WE-MV180A Service Manual
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Panasonic WE-MV180A Service Manual

Panasonic WE-MV180A Service Manual

Video imager
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SPECIFICATIONS
CAMERA UNIT
Pick-up Device :
Scanning System :
Scanning :
Horizontal :
Vertical :
Video Output :
S-Video Output :
Horizontal Resolution :
Signal-to-Noise Ratio :
White Balance :
Shutter Speed :
Lens Unit
Focal Length :
Maximum Relative Aperture :
Zoom :
Focus :
Liquid Crystal Display Unit
Size :
Brightness :
Resolution :
752 (H) x 582 (V) pixels, 1/3" Interline Transfer CCD
2:1 Interlace
625 lines/50 fields/25 frames
15.625 kHz
50 Hz
1.0 V[p-p] PAL composite, 75 Ω
Y: 1.0 V[p-p] 75Ω
C: 0.3 V[p-p] (Burst Level), 75 Ω
450 lines (at center)
48 dB
Automatic
1/120 Flickerless
5.4 - 64.8 mm (12X)
F1.8 - F2.7
Electronic power
Auto Focus
2.9 inch
Manually adjustable
480 (H) x 130 (V) pixels
C 1 9 9 8 M a t s u s h i t a C o m m u n i c a t i o n I n d u s t r i a l C o . , L t d .
A l l r i g h t s r e s e r v e d . U n a u t h o r i z e d c o p y i n g a n d
d i s t r i b u t i o n i s a v i o l a t i o n o f l a w .
ORDER NO. AVS9812154C8
WE-MV180A
Video Imager

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Summary of Contents for Panasonic WE-MV180A

  • Page 1 ORDER NO. AVS9812154C8 Video Imager WE-MV180A SPECIFICATIONS CAMERA UNIT Pick-up Device : 752 (H) x 582 (V) pixels, 1/3" Interline Transfer CCD Scanning System : 2:1 Interlace Scanning : 625 lines/50 fields/25 frames Horizontal : 15.625 kHz Vertical : 50 Hz 1.0 V[p-p] PAL composite, 75 Ω...
  • Page 2 WARNING 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.

  • Page 3: Table Of Contents

    CONTENTS Major Operating Controls and Their Functions ........... 1 Adjustment Procedure .

  • Page 4: Major Operating Controls And Their Functions

    MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS Right Side View AC IN POWER ARM LIGHT BACK LIGHT WHITE FRAME BALANCE NEGA ON OFF ON MEMORY Left Side View INPUT SELECT MIC IN L – AUDIO – R VIDEO S-VIDEO MIC VOL A/V2 A/V1 VIDEO IMAGER −65dB 600Ω...
  • Page 5 This button is used to set the white balance when shoot- When VIDEO IMAGER is selected, the camera signal of ing a transparency or a film with the arm light or back- the WE-MV180A is provided to the video output connec- light. tors.
  • Page 6 Rear View AUDIO S-VIDEO VIDEO VIDEO OUT SYNC @2 S-Video Input Connectors (S-VIDEO IN 1, 2) @5 RGB Video Output Connectors (SYNC/R/G/B) The S-Video signal from an external source is supplied to These connectors are used for connection to a monitor these connectors.

  • Page 7: Adjustment Procedure

    Adjustment The following Test Equipments are required for Referring to Fig. 2-1, remove two screws that secure the adjustment of the Video Imager WE-MV180A. LCD Monitor Ass'y. Note : Do not make any damage to the LCD Monitor Video Signal Generator (S-Video signal, Composite Video Ass'y.

  • Page 8: Power Board / Inverter Board / Switch Board

    Connect the Underscanned Colour Video Monitor to the Connect the Oscilloscope to TP16 on the Video Board and Composite Video Output Connector of the WE-MV180A note both Luminance signal level (Vycm) and Burst signal through the Vectorscope using the coaxial cables.
  • Page 9 Video Board Before adjusting the Video Board set the Volume TP1 (YIN) Controls as follows: VR1 (SYOUT).......Mechanical Center VR2 (NEGWAJ)......Mechanical Center TP5 (HSW) VR3 (CG)...........Fully Clockwise VR6 (HSWAJ) ......Mechanical Center VR7 (LLMT)........Mechanical Center 11 ± 0.3 µs VR9 (NEGOF) ......Mechanical Center Fig.
  • Page 10 TP2 (YOUT) TP13 (CVOUT) 2 x (Vy) ± 0.1 Vp-p 2 x (Vc) ± Adjust both levels 30 mVp-p are coincided Fig. 4-4 Fig. 4-6 (6) Nega Mode White Level Adjustment (8) Y/C Separator Adjustment Test Point: TP1 (YIN) Video Board Test Point: TP21 (SVYOUT) Video Board...
  • Page 11 (9) Camera Through Output Level Adjustment Set the Gain Control of the Vectorscope to proper gain. Adjust VR8 so that the Blue vector positions its correct Test Point: TP1 (YIN) Video Board position as shown in Fig. 4-11. TP21 (SVYOUT) Video Board TP22 (SVCOUT) Video Board...
  • Page 12 Adjust VR301 so that the rising edge of the Burst Gate Trigger the Oscilloscope at TP309. Pulse from the end of the Burst signal becomes 200 ± 100 Adjust VR307 so that the both Burst signals at TP313 and ns as shown in Fig. 4-13. TP314 become same amplitudes (±...

  • Page 13: Rgb Board

    Adjust same TP312 amplitude as (CSIG) TP311 TP311 (CMSIG) No vibration. Adjust same TP311 amplitude as (CMSIG) TP312 Fig. 4-19 Fig. 4-17 Change the connection of the Oscilloscope to TP313. Select the Negative mode by the Nega Button. RGB Board Confirm that the symmetry of the Burst signal again.

  • Page 14: Video Board (2/2)

    (21) Luminance Gain Adjustment 5. CHECK OUT PROCEDURE Test Point: TP5 (APL) RGB Board In this section describe the Camera Unit and the LCD Adjust: VR3 (APLG) RGB Board Monitor Ass'y check out procedure for easy to find out Connect the Digital Voltmeter to TP5. defective point.

  • Page 15: Power Board / Inverter Board / Switch Board

    Referring to Fig. 5-6, remove four screws that secure the Camera Cover and remove the Camera Cover. Camera Cover Yellow Wire (LCD) Remove four screws. Fig. 5-3 If the Composite Video signal is supplied, the LCD Monitor Ass'y is defect. Fig.
  • Page 16 Remove three hexagon nuts and washers that secure the Back Light Cover and remove the Back Light Cover and Back Light (Fluorescent Lamp). Disconnect one connector. Inverter Board Remove three screws, pull-out while pressing Remove two the top of the Arm Light Cover. hexagon nuts.
  • Page 17 Remove one screw that secure the LCD Monitor Ass'y and Camera Cover remove the LCD Monitor Ass'y. Remove LCD Monitor Ass'y four screws. Remove one screw. Fig. 6-9 Referring to Fig. 6-10, disconnect the cable of the Main LCD Monitor Mounting Bracket Unit from CN2 on the Zoom Switch Board.
  • Page 18 Loosen two hexagon Tighten two screws. socket set screws. Plate Sub Ass'y Camera Unit Fig. 6-15 Fig. 6-12 Referring to Fig. 6-16, mount the Mounting Bracket to the Referring to Fig. 6-13, remove two hexagon nuts that Plate Sub Ass'y by two hexagon nuts. secure the Mounting Bracket and remove the Mounting Bracket.

  • Page 27: Replacement Parts List

    REPLACEMENT PARTS LIST Important Notice Components identified by " Y " mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified parts. RTL : Retention Time Limited. REF. NO. PART NO. DESCRIPTION REF. NO. PART NO.
  • Page 28 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION YW191C013-01 Back Light YWA1247RM Metal 24K ohms 1/4W YWY9908YA Spacer YWA1232RM Metal 15K ohms 1/4W YW337H394-01 Earth Mark Label YWA1644RS Carbon 47 ohms 1W YW355C937-01 Bottom Cover YWA1000RM Metal 10 ohms 1/4W YW122A001-06 Rubber Foot YWA1052RM...
  • Page 29 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION YW337H417-02 Decal IC306 YWMC74VHC04M YW337H417-01 Decal IC307 SN74LS273NS YW166F047-01 Varistor IC309-311 YWD42280GU30 YW166H009-02 Thermistor IC312 YWUPC665GS CN11 YW172L068-01 3-pin Connector IC313-318 YWD42280GU30 CN12 YW172L062-02 7-pin Connector IC319 YWUPC665GS CN13 YWA1186JQ 2-pin Connector IC320 YWNJM2249M...
  • Page 30 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION ERJ6GEYJ152 Carbon 1.5K ohms 1/10W ERJ6GEYJ102 Carbon 1K ohms 1/10W ERJ6GEYJ102 Carbon 1K ohms 1/10W ERJ6GEYJ750 Carbon 75 ohms 1/10W ERJ6GEYJ103 Carbon 10K ohms 1/10W ERJ6GEYJ273 Carbon 27K ohms 1/10W ERJ6GEYJ302 Carbon 3K ohms 1/10W...
  • Page 31 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION R142 ERJ6GEYJ223 Carbon 22K ohms 1/10W R359,360 RRJ6GEYJ471V Carbon 470 ohms 1/10W R143 ERJ6GEYJ102 Carbon 1K ohms 1/10W R361 ERJ6GEYJ302 Carbon 3K ohms 1/10W R144 RRJ6GEYJ471V Carbon 470 ohms 1/10W R362 ERJ6GEYJ822 Carbon...
  • Page 32 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION ECEA1CKA100 Electrolytic 10 µF 16V C90-94 MCUV1H103KBN Ceramic 0.01 µF ECQB1H102JF Plastic 1000 pF 50V ECEA1CKA470 Electrolytic 47 µF 16V ECQB1H332JZ Plastic 3300 pF 50V ECQB1H332JZ Plastic 3300 pF 50V YF400104FZT Ceramic 0.1 µF 50V...
  • Page 33 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION C331 MCUV1H101JCN Ceramic 100 pF RGB BOARD C332 YF400104FZT Ceramic 0.1 µF C333 ECEA1CKA470 Electrolytic 47 µF 16V PCB4 (RTL) YW860S037-02 Printed Circuit Board Ass'y C334 YF400104FZT Ceramic 0.1 µF YWCXA1585Q C335 ECEA1HN100S...
  • Page 34 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION YF400300CHJT Ceramic 30 pF CN101 YWA1186JQ 2-pin Connector ECQB1H104JF Plastic 0.1 µF 50V YW173B025-04 Cable Ass'y YW400103CHJT Ceramic 0.01 µF 50V YW173B025-05 Cable Ass'y ECQB1H103JZ Plastic 0.01 µF 50V YW173B025-04 Cable Ass'y C20,21 ECEA1EKA4R7...
  • Page 35 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION YWA1123CC Cermic 1 µF YWA1240CA Electrolytic 10 µF 35V YWA1123CC Cermic 1 µF SW1-3 YW154A114-01 Swich YW161T028-03 Jumper YW172L027-22 27-pin Connector YW172L058-04 8-pin Connector YW172L058-03 6-pin Connector E1,2 YW170A058-01 Electrode YW104S029-01 LED Spacer for D10 YW124A057-02...
  • Page 36 Printed in Japan C-699 N 5, 7, 23...