Manuale d’uso / di manutenzione del prodotto V31 CHASSIS del fabbricante Mitsubishi Electronics
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• 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.
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MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 3 INTRODUCTION ............................................................................................................................... .5 Model Dimensions and Weight S pecifiations .
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 4 CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 6 3 Main Power Supply ..............
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.
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.
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.
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.
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.
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.
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.
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.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 13 FRONT BEZEL Removal 1 ) Remove screws (e) from the FRONT -BEZEL.
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.
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 .
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.
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 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).
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).
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 .
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.
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).
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).
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.
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.
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.
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.
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 .
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 .
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 / .
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) W.
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: (.
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) W.
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: (.
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) W.
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: (.
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) W.
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: (.
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) W.
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: (.
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 Ref # Part # Part Name & Description [# ] Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (.
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: .
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: .
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 63 Main Power Supply.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 64 Lamp Ballast DC Supply Fans Power Supply.
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).
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 66 Analog Video Signal Path.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 67 Digit al Video Signal Path.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 68 HDD Record Signal Path (V30+ and V31 Only).
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 69 Sound Signal Path.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 70 Command Input Circuitry Serial Control Lines.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 71 Lamp Control Circuitry.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 72 Lamp, Engine & Fan Protect Circuitry TV Guide On® Screen Block Diagram.
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 .
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-S.
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.
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Mitsubishi Electronics V31 CHASSIS è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Mitsubishi Electronics V31 CHASSIS - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Mitsubishi Electronics V31 CHASSIS imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Mitsubishi Electronics V31 CHASSIS ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Mitsubishi Electronics V31 CHASSIS, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Mitsubishi Electronics V31 CHASSIS.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Mitsubishi Electronics V31 CHASSIS. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Mitsubishi Electronics V31 CHASSIS insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.