Instruction/ maintenance manual of the product WD-73827 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 SERVICE PARTS LIST ............................................................................................................. ....... 5 6 SCREEN ASSEMBL Y P ARTS LIST .
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 1 ) Slide the FRONT P ANEL CAPS towards the sides of the unit. 2 ) 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 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 ) Remove 6 outer screws “A” at the rear sides of the cabinet. (Do not remove inner screws).
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 ) From the rear of the TV , remove 2 screws “B”, and 6 outer screws “A” from each side of the TV . 2 ) Pull of the right and left GRILLE-SIDEs.
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 52” & 62” Models OPTICAL ENGINE REPLACEMENT (V iew from back) Ballast Fan Ballast Cover Lamp Cartridge .
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 30 52” & 62” Models 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 .
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 52” & 62” Models 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.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 34 73 “ Model’ s OPTICAL ENGINE REPLACEMENT Pull engine assembly from the cabinet, and remove the Optical Engine from the base. Remove all the listed parts on this page and transfer them to new engine.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 35 73” Models OPTICAL ENGINE REPLACEMENT (Det ails) Engine Assembly removal from the cabinet . After removing the Back Cover: 1) Remove 4 screws (a) to remove the V ertical Support and DM Fan Cover .
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 36 73” Models OPTICAL ENGINE REPLACEMENT (Det ails) Engine removal from the Base Plate Assembly . 1) Remove 2 screws (e) and 2 screws (f) to remove the Joining Bracket.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 37 73” Models OPTICAL ENGINE REPLACEMENT (Det ails) 4) Carefully lift the Engine from the Base Plate. CAUTION: Do Not lose the spring sitting in the Base Plate Assembly .
Page 38 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 DIAMOND SHIELD REPLACEMENT (WD-62927 / WD-73927 Only) T o Remove the Diamond Shield: 1 ) While wearing soft cot.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 39 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 40 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 41 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 42 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 43 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 .
SERVICE MANUAL SUPPLEMENT COPYRIGHT © 2007 MITSUBISHI DIGIT AL ELECTRONICS AMERICA, INC. ALL RIGHTS RESERVED AIR FIL TER CLEANING If the TV shuts off after displaying the message “ TV will shut down in a few seconds. Please check if the air flow is blocked.
Page 44 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 45 3. Adjustment Selection Use the “VIDEO” button to select a specific electrical 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 47 WD-52627 / 62627 / 52628 / 62628 1) Pull Speaker Grille out. 2) Remove (2) screws (A) and pull Card Reader to access adjustment. ACCESSING MECHANICAL ADJUSTMENTS A Speaker Grille WD-62827 1) Remove (6) screws (A) to remove card reader cover .
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 48 WD-62927 1) Pull Pedestal Cover out. Adjustment is now accessable. Adjustment Access Pedestal Cover WD-73727 / 73827 1) Pull the Panel Caps from the unit to remove them.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 49 WD-73927 1) Remove (16) screws (A). 8 on each side. ( Remove only the outside screws . Do not remove inside screws, they are for the Screen Frame) 2) Pull Front Panel Escushions from unit.
Page 50 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 ADJUSTMENT PROCEDURES Adjustment Locations The Mechanical Adjustements are accessed though the opening for the Card Reader . Locations of the Adjustmentts are shown below .
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 51 Rotation Adjustment Adjust [A-2] to remove any picture rotation Horizont al Keystone Adjustment Adjust [A-3] to remove horizontal keystone distortion.
PAGE 52 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 53 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 54 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Parts Ordering T o expedite delivery of replacement p arts 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 55 MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 QUICK REFERENCE FOR COMMON P ARTS Component P art No. M od els LI GHT E NGI NE 938P017010 W D-52627 / 52628 938.
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) W.
Ref # Part # Part Name & Description [# ] PAGE 60 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 [# ] 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 62 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (.
PAGE 63 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 64 Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (.
PAGE 65 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 66 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 X8K45 285P391030 OSC - 74.
PAGE 67 Ref # Part # Part Name & Description [ # ] Ref # Part # Part Name & Description [ #] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: .
PAGE 68 Ref # Part # Part Name & Description [# ] Ref # Part # Part Name & Description [# ] MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 [#] Model Legend: (.
PAGE 69 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 70.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 71 Main Power Supply.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 72 Lamp Ballast DC Supply Fans Power Supply.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 73 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 74 Analog Video Signal Path.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 75 Digit al Video Signal Path.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 76 HDD Record Signal Path (V30+ and V31 Only).
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 77 Sound Signal Path.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 78 Command Input Circuitry Serial Control Lines.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 79 Lamp Control Circuitry.
MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927 Page 80 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.
58K 58K BIAS 58K 58K BIAS GND GND TS T 1 B S T S T1 B S R2J22 75 1/16W R2J16 75 1/16W R2J23 75 1/16W R2J21 75 1/16W R2J18 75 1/16W R2J17 75 1/16W 75 R2J34 75 R2J39 75 R2J40 120K 1/16W R2J37 120K 1/16W.
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.
An important point after buying a device Mitsubishi Electronics WD-73827 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Mitsubishi Electronics WD-73827, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Mitsubishi Electronics WD-73827.
However, one of the most important roles played by the user manual is to help in solving problems with Mitsubishi Electronics WD-73827. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Mitsubishi Electronics WD-73827 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center