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Mitsubishi Electronics V29 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    • Design specifications are subject to change without notice. MITSUBISHI DIGIT AL ELECTRONICS AMERICA, INC. 9351 Jeronimo Road, Irvine, CA 92618-1904 Copyright © 2005 Mitsubishi Digital Electronics America, Inc. All Rights Reserved CAUTION: Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS&q[...]

  • Page 2

    [...]

  • Page 3

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 3 INTRODUCTION ............................................................................................................................... .5 Model Dimensions and Weight S pecifiations ...........................................................................[...]

  • Page 4

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 4 CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 6 3 Main Power Supply .............................................................................................................. ..[...]

  • Page 5

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 5 This service manual includes: 1. Assembly and disassembly instructions for the front and rear cabinet components. 2. Servicing of the Lenticular Screen and Fresnel Lens. 3. Servicing down to major components, chassis, PWBs, Light Engine, Lamp Ballast, etc.. 4. E[...]

  • Page 6

    Page 6 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SAFETY PRECAUTIONS NOTICE: Observe all cautions and safety related notes located inside the receiver cabinet and on the receiver chassis. W ARNING: 1. Operation of this receiver outside the cabinet or with the cover removed presents a shock hazard from the recei[...]

  • Page 7

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 7 SPEAKER GRILLE & BEZEL Removal 1 ) Pull the SPEAKER-GRILLE away from the cabinet to remove. 2 ) Pull the BEZEL from the cabinet. SCREEN-ASSY Removal 1 ) Remove 10 screws (a) from the upper cabinet rear cover (3 screws on each side and 4 screws across the top[...]

  • Page 8

    Page 8 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62827 Front Disassembly FRONT P ANEL CAPS Removal Pull the FRONT P ANEL CAPS from the unit. TOP TRIM and FRONT ESCUTCHEON Removal 1 ) Remove screw (a) to remove the TOP TRIM. 2 ) Pull off the FRONT -ESCUTCHEONS.[...]

  • Page 9

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 9 SIDE-TRIM Removal 1 ) Remove screws (a) and (b) on each side of the unit. 2 ) Pull off the SIDE-TRIM on each side. BEZEL and Card Reader/Contol Assy . Removal 1 ) Remove screws (c) to remove the BEZEL. 2 ) Remove screws (d), pull the Card Reader/ Control Assy . [...]

  • Page 10

    Page 10 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SCREEN ASSY Removal 1 ) Remove screws (e) from the top and sides of the upper rear cover . 2 ) Remove screws (d) from the bottom of the SCREEN ASSY . 3 ) Lift the SCREEN ASSY up slightly and pull away from the cabinet. WD-62827 Front Disassembly (continued)[...]

  • Page 11

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 11 FRONT ESCUTCHEONS, CARD READER/CONTROL Assy and PEDEST AL COVER Removal 1 ) Pull the Right and Left Front Escutcheons from the cabinet. 2 ) Pull the Pedestal Cover forward to remove. 3 ) Remove screw (a) to remove the Card Reader/Control Assembly from the front[...]

  • Page 12

    Page 12 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 TOP , BOTTOM and SIDES TRIM Removal 1 ) Remove screws (b) to remove the T op T rim. 2 ) Remove screws (c) to remove the Bottom Trim. 3 ) Remove screws (d) on both sides to remove the Side Trim WD-62927 Front Disassembly (continued)[...]

  • Page 13

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 13 FRONT BEZEL Removal 1 ) Remove screws (e) from the FRONT -BEZEL. 2 ) Pull the FRONT -BEZEL from the cabinet. WD-62927 Front Disassembly (continued)[...]

  • Page 14

    Page 14 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-62927 Front Disassembly (continued) SCREEN ASSEMBL Y Removal 1 ) Remove screws (f) from the upper rear cover (3 at each side and 4 acrross the ). 2 ) Remove screws (g) at the bottom of the screen. 3 ) Lift the Screen Assembly slighly and pull away from the u[...]

  • Page 15

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 15 WD-73727 / WD-73827 Front Disassembly CARD READER REMOV AL 1 ) Pull the two P ANEL-FRONT s from the cabinet. 2 ) Remove screws ((a) from the Card Reader . 3 ) Slide the Card Reader and Control Assembly out the front of the TV . (T o remove the Card Reader compl[...]

  • Page 16

    Page 16 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-73727 / WD-73827 Front Disassembly (continued) GRILLE-SIDE REMOV AL 1 ) Remove screw (b) in the GRILLE-SIDE LEFT and GRILL-SIDE RIGHT 2 ) Pull the two GRILLE-SIDEs from the unit. SCREEN-ASSY REMOV A L 1 ) Remove screw (c) along the top and sides of the upper[...]

  • Page 17

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 17 WD-73927 Front Disassembly CARD READER REMOV AL 1 ) Pull of the right and left GRILLE-SIDEs. 2 ) Remove screws (a) to remove the FRONT -BOARDS. 3 ) Remove screws (b) and pull the Card Reader and Control Assembly out the front of the T V .[...]

  • Page 18

    Page 18 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 WD-73927 Front Disassembly (continued) SCREEN-ASSY Removal 1 ) Remove screws (f) along the top and sides of the upper rear cover . (4 across the top and 3 on each side). 2 ) Remove two screw (g) on the bottom on the SCREEN-ASSY . 3 ) Lift the SCREEN-ASY slightl[...]

  • Page 19

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 19 Cabinet Rear Disassembly BACK-COVER Removal 1 ) Remove screws (a) and (b) from the the BACK-COVER. 2 ) Pull the BACK-COVER from the set. Accessing the MIRROR from the rear (52 and 62 inch models ONL Y) 1 ) Remove screws (c). 2 ) Pull the Rear Mirror Access pane[...]

  • Page 20

    Page 20 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Chassis Disassembly / Accessing PWBs Note: Although not individually indicated, unplug the required connectors in each disassembly step . REMO VE Chassis To p Cover (F ig . 1) REMO VE PW B- PO WE R (F ig . 3) REMO VE Assy PWB-TERMI NA L (F ig . 2) REMOVE Chassi[...]

  • Page 21

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 21 Chassis Removal from the cabinet After removing the Rear Cover: 1 ) Remove screw (a), (b) and (c) to remove the back terminal board cover . (Figure A) 2 ) Remove screw (d) to remove the support bracket on each side of the chassis. (Figure B) 3 ) Remove the chas[...]

  • Page 22

    Page 22 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Assy PWB- TERMINAL Removal (Figure 2) 1 ) Remove 7 screws (b) to remove the TERMINAL-INLA Y. 2 ) Remove 3 screws (c) to remove the Assy PWB-TERMINAL. Figure 1: Chassis Cover Removal Chassis Cover Removal (Figure 1) 1 ) Remove the 3 screws (a). 2 ) Lift the Cove[...]

  • Page 23

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 23 PWB-POWER Removal (Figure 3) 1 ) Remove four screws (d). 2 ) Disconnect all connectors to PWB-POWER. 3 ) Lift PWB-POWER from the chassis. Figure 3: PWB-POWER and Chassis Upper Shield Chassis Upper Shield Removal (Figure 3) 1 ) Remove seven screws (e). 2 ) Lift [...]

  • Page 24

    Page 24 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Fi gure 4: HDMI Socket Screws PWB-MICRO Removal Referring to Figures 4 & 5 . 1 ) Remove the 2 HDMI socket screws (f). 2 ) Remove 3 mounting screws (g) from PWB-MICRO. 2 ) Unplug PWB-MICRO from PWB-RISER and remove it from the chassis. Figure 5: PWB-MICRO Mo[...]

  • Page 25

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 25 Figure 8: PWB-DM Removal PWB-DM Removal Chassis Rear Shield Removal (Figure 7) 1 ) Remove 7 screw ( j ) 2 ) Remove 2 nuts ( j1 ) 3 ) Pull off Chassis Rear Shield. PWB-DM Removal ( Figures 8) 1 ) Remove 3 screws (k) holding the PWB-MICRO Support Bracket. 2 ) Rem[...]

  • Page 26

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 26 OPERA TING CHASSIS OUTSIDE OF CABINET 1) Remove screws from back terminal board. Screws A = (7) , B = (2) , C = (2) 2) Remove support bracket screws D = (4) , and mounting screw E = (1) 4) Remove mounting screw F = (1) on right side of chassis behind bracket 5)[...]

  • Page 27

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 27 7) Pictured below is proper wire routing, please verify during re-assembly 8) Disconnect connector PL and remove screw H = (1) PL 9) Remove connectors PC, P A1, PB, PD and DVI cable 10) Remove cover shield for Power PWB. Dis- connect connectors FB, ES, KA, PD, [...]

  • Page 28

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 28 13) Pull T erminal PWB from chassis assembly and remove fan connector JD from Micro PWB 14) Setup power section next to remaining chassis section as pictured below . NOTE: Unit can be operated without T erminal PWB or Chassis Fan installed. W ithout Fan connect[...]

  • Page 29

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 29 OPTICAL ENGINE REPLACEMENT (V iew from back) Ballast Fan Ballast Cover Lamp Cartridge Interface PWB Engine PWR PWB Ballast Plate Lamp Duct Lens Cushion (V iew from front) Engine Plate Bottom Plate Pull engine from base and remove all the listed parts on this pa[...]

  • Page 30

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 30 OPTICAL ENGINE REPLACEMENT (Det ails) 1) Remove screws (3) 2) Remove mounting screw 3) Disconnect JA, JF , L T connectors 4) Disconnect JC and CD connectors 5) Remove DVI cable and disconnect JE and DT connectors 6) Remove wire tie near support post JA JF LT JC[...]

  • Page 31

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 31 10) Route wiring so that it does not snag on support post. 12) Pull Optical Engine from cabinet. (Note: Slight twisting motion may be required) 1 1) Disconnect PA 1 and J3 connectors and remove Engine-PWR-PWB 8) Remove CJ3 connector from Inter- face PWB OPTICAL[...]

  • Page 32

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 32 14) Remove (2) screws from Lamp Cartridge - and remove Lamp Cartridge 13) Remove (3) screws from Lamp Duct 16) Remove Bottom Plate from Engine Plate. Remove (5) screws A - B - C 15) Remove (4) screws from Ballast Plate OPTICAL ENGINE REPLACEMENT (Det ails) A B [...]

  • Page 33

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 33 OPTICAL ENGINE REPLACEMENT (Det ails) Reassembly: 1) Attach LENS CUSHION BASE to Engine Follow above steps in reverse order Mechanical Alignment: Adjustment is required after engine has been removed. Please follow steps in the adjustment section of this manual.[...]

  • Page 34

    MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825 Page 17 DIAMOND SHIELD REPLACEMENT 92 T o Remove the Diamond Shield: 1. While wearing soft cotton gloves, loosen the sides of the Diamond Shield by pressing a small plastic card (the size of a standar d credit card or a clean, plastic, putty knife) into the middle of the side sl[...]

  • Page 35

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 35 SER VICING THE LENTICULAR SCREEN AND FRESNEL LENS CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun . This may cause fire and heat related injuries. Lenticular S[...]

  • Page 36

    Page 36 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SER VICING THE LENTICULAR SCREEN AND FRESNEL LENS Lenticular Screen and Fresnel Lens Installation Note: S tore the Lenticular Screen and Fresnel Lens in a cool dry place. High humidity may deform the Lenticular Screen and Fresnel Lens. 1. Apply double coated t [...]

  • Page 37

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 37 OPTION MENU 1. Press the “MENU” button on the remote hand unit. 2. Press the buttons “2”, “4”, “7” and “0” in order . (The screen will change to the option menu.) Setup M enu L-Adult Lan g ua g e Enable Language English S-Se xual Situationss[...]

  • Page 38

    Page 38 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 A . A/V Memory Each of the external inputs has its’ own Audio/Video Memory . A change in an A/V setting at a specific input is stored in memory for that specific input. B . A/V Reset 1. Press the GUIDE and FORMAT buttons on t he front p anel to reset all A/V [...]

  • Page 39

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 39 3 . Error Code Operational Check Note: The TV must be in “Shut Down” and not have been switched Off, to perform the Error Code Opera- tional Check. When the TV is switched Of f, the code automatically resets to “12” No Error . Pressing the front panel ?[...]

  • Page 40

    Page 40 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 SERVICE ADJUSTMENTS There are only 5 Service Adjustments required in these models: T wo Electrical Adjustment s • Horizontal Centering • V ertical Centering Three Mechanical Adjustment • Picture Rotation • Horizontal Keystone Distortion • V ertical Ke[...]

  • Page 41

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 41 3. Adjustment Selection Use the “VIDEO” button to select a specific elec t rical ajustment, “1 HPOS” or “2 VPOS”. 4. Adjusting Dat a After selecting an adjustment item, use the “UP” and “DN” buttons to change adjustment data. ª If the “UP[...]

  • Page 42

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 42 Prelminary Mechanical Optical Engine Adjustments are made using the UNIT -ADJUSTER shown in Figure 1. The UNIT -ADJUSTER is mounted under the Light Engine on the Engine Plate. It is accessed from the front of the set through the opening for the Card Reader . Re[...]

  • Page 43

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 43 ADJUSTMENT PROCEDURES Adjustment Locations The Mechanical Adjustements are accessed though the opening for the Card Reader . Locations of the Adjustmentts ar shown In Figure 3. CAUTION: Do Not force an adjust- ment past the end of it’s range, UNIT -ADJUSTER d[...]

  • Page 44

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 44 Rotation Adjustment Adjust [A-2] to remove any picture rotation Horizont al Keystone Adjustment Adjust [A-3] to remove horizontal keystone distortion. NOTE: V ertical Positioning may shift V ertical Keystone Adjustment Adjust [A-1- T o remove vertical keystone [...]

  • Page 45

    PAGE 45 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Using Lead Free Solder Pb S old e r The above symbol indicates Lead (Pb) Free solder was used during the construction of PWBs. Only Lead Free solder should be used when servicing these PWBs. Solder must be compatible with that used by the manufacturer . Leaded [...]

  • Page 46

    PAGE 46 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 CHIP P ARTS REPLACEMENT Some resistors, shorting jumpers (0 Ohm resistors), ceramic capacitors, transistors and diodes are chip parts. The following precautions should be taken when replacing these parts. Cautions: 1. Use a fine tipped, well insulated soldering[...]

  • Page 47

    PAGE 47 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Parts Ordering T o expedite delivery of replacement parts orders, specify the following: 1. Model Number/Serial Number 2. Part Number and description 3. Quantity Note: Unless complete information is supplied, delay in processing of orders will result. Critical [...]

  • Page 48

    PAGE 48 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 QUICK REFERENCE FOR COMMON P ARTS P ART NO. M ODE L S AS S Y-P W B -P O W ER 2 934C159001 W D- 52627 / 52628 / 62627 / 62628 / 73727 934C159002 W D- 62827 / 62927 / 73827 / 73927 AS S Y-P W B -T ER M I N A L 934C150005 W D- 52627 / 52628 / 62627 / 62628 / 73727[...]

  • Page 49

    PAGE 49 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name & Description [ #] INTEGRA TED CIRCUITS IC101[...]

  • Page 50

    Ref # Part # Part Name & Description [# ] PAGE 50 Ref # Part # Part Name & Description [ #] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 IC8508 275P675010 IC-C-MOS[...]

  • Page 51

    PAGE 51 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name & Description [ #] D7L20 262P075010 DIODE - R[...]

  • Page 52

    Ref # Part # Part Name & Description [# ] PAGE 52 Ref # Part # Part Name & Description [ #] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 L1604 409P777080 EMI-F-CHI[...]

  • Page 53

    PAGE 53 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name & Description [ #] L7T02 351P265010 COIL-CHOK[...]

  • Page 54

    Ref # Part # Part Name & Description [# ] PAGE 54 Ref # Part # Part Name & Description [ #] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 L8A08 409P865040 EMI-F-CHI[...]

  • Page 55

    PAGE 55 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name & Description [ #] LC8703 409P944010 EMI-F-CH[...]

  • Page 56

    Ref # Part # Part Name & Description [# ] PAGE 56 Ref # Part # Part Name & Description [ #] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 R7A89 265P809010 THRM-CHIP[...]

  • Page 57

    PAGE 57 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name & Description [ #] C7E01 181P350060 C-ELEC - [...]

  • Page 58

    Ref # Part # Part Name & Description [# ] PAGE 58 Ref # Part # Part Name & Description [ #] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 246C524020 CABLE-DVI g hi [...]

  • Page 59

    PAGE 59 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Ref # Part # Part Name & Description [ #] X8K45 285P391030 OSC - 74.[...]

  • Page 60

    PAGE 60 Ref # Part # Part Name & Description [# ] Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 SCREEN ASSEMBL Y P ARTS WD[...]

  • Page 61

    PAGE 61 Ref # Part # Part Name & Description [ # ] Ref # Part # Part Name & Description [ #] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 Figure 2 : WD-62827 Scree[...]

  • Page 62

    PAGE 62 Ref # Part # Part Name & Description [# ] Ref # Part # Part Name & Description [ # ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727, (h) WD-73827, (i) WD-73927 WD-73727 Screen Parts (Fi[...]

  • Page 63

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 63 Main Power Supply[...]

  • Page 64

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 64 Lamp Ballast DC Supply Fans Power Supply[...]

  • Page 65

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 65 Light Engine Power Supply HDD Power Supply & Fan Control (V30+ and V31 Only)[...]

  • Page 66

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 66 Analog Video Signal Path[...]

  • Page 67

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 67 Digit al Video Signal Path[...]

  • Page 68

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 68 HDD Record Signal Path (V30+ and V31 Only)[...]

  • Page 69

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 69 Sound Signal Path[...]

  • Page 70

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 70 Command Input Circuitry Serial Control Lines[...]

  • Page 71

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 71 Lamp Control Circuitry[...]

  • Page 72

    MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 72 Lamp, Engine & Fan Protect Circuitry TV Guide On® Screen Block Diagram[...]

  • Page 73

    BOSS BOSS 123456789 1 0 1 1 456789 123 123 123456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 4 123 123456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 12345678 123456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 2 3 4 123 1 2 3 4 5 6 7 8 9 1234 1 2 3 2 3 4 5 6 7 8 1 123 1 2 3 4 123456789 1 0 1 1 1 2 3 4 123456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1[...]

  • Page 74

    3 9 2 5 6 8 10 1 7 4 3 9 14 20 21 6 51 1 61 3 81 8 10 19 15 1 17 7 41 2 21 22 23 24 11 10 12 39 25 6 8 17 4 A-GND 18VS 5VS 5VS LAMP-RELAY ENG-PWR-ON 5VSL A-GND -15VS +15VS A-GND +15VS 5VSL STBY STBY-SHORT A-GND -15VS 12VS A-GND AC-OFF PON-SHORT 18VS 18VS 5VSL MAIN-RELAY MAIN-RELAY 5VR PWR-ON STBY-SHORT 18VS STBY 18VSA 18VSA 12V 5VR 5V +15VSA 12VS 5[...]

  • Page 75

    3 9 14 20 21 6 51 1 61 3 81 8 10 19 15 1 17 7 41 2 21 22 23 24 3 9 14 2 5 11 6 13 8 10 1 74 12 BOSS 3 9 14 2 16 5 11 6 13 8 10 15 1 7 4 12 3 9 14 20 21 6 51 1 61 3 81 8 10 19 15 1 17 7 41 2 L9J04 68MH 9X9.5 L9J05 68MH 9X9.5 L9J06 68MH 9X9.5 2K 1/16W R9J03 1K 1/16W R9J04 2K 1/16W R9J20 2K 1/16W R9J21 2K 1/16W R9J22 2K 1/16W R9J23 1K 1/16W R9J24 1K 1[...]

  • Page 76

    BOSS BOSS BOSS BOSS 11 10 12 3 9 14 2 5 11 6 13 8 10 1 7 4 12 1/16W R7L27 F-2.2K 50V C7K28 10U Z-0.1 C80E2 25V/16V 1/16W R7L32 F-56K Z-.1 C80E3 25V/16V GND 12K 1/16W R7K25 16V C7K01 47U 1/16W R7K32 4.7K GND GND Z-.1 C80E1 25V/16V 2.7K 1/16W R7K34 GND 1/16W R7L28 F-3.3K 3.3K 1/16W R7K02 K-0.1 C7K25 16V GND N1 1 N7 7 N5 5 N6 6 N2 2 N4 4 N3 3 N8 8 GND[...]