Mitsubishi Electric mitsubishi - Manuals

Mitsubishi Electric mitsubishi – Manual in PDF format online.

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Manual

Manual Mitsubishi Electric mitsubishi

Summary

Page 3 - CONTENTS

MODEL: WD-52327 / WD-62327 Page 3 INTRODUCTION ............................................................................................................................... 5 PRODUCT SAFETY NOTICE ........................................................................................................

Page 4 - SCHEMATIC DIAGRAMS

MODEL: WD-52327 / WD-62327 Page 4 Switched DC to DC Supplies ............................................................................................... 43Video/Color Signal Path ....................................................................................................... 44Sound Signa...

Page 5 - INTRODUCTION; This service manual includes:; PRODUCT SAFETY NOTICE

MODEL: WD-52327 / WD-62327 Page 5 INTRODUCTION This service manual provides service instructions for PTV models WD-52327 and WD-62327, using the VK26 chassis. This service manual includes: 1. Assembly and disassembly instructions for the front and rear cabinet components.2. Servicing of the Lenticul...

Page 6 - SAFETY PRECAUTIONS; Leakage current check; . Any resistance below this value indicates an

Page 6 MODEL: WD-52327 / WD-62327 SAFETY PRECAUTIONS NOTICE: Observe all cautions and safety related notes located inside the receiver cabinet and on thereceiver chassis. WARNING: 1. Operation of this receiver outside the cabinet or with the cover removed presents a shock hazardfrom the receiver's p...

Page 7 - Front Cabinet Disassembly; *Refer to the Parts List for Part Numbers

MODEL: WD-52327 / WD-62327 Page 7 CABINET DISASSEMBLY (FRONT VIEW) WD-52327 / WD-62327 Front Cabinet Disassembly 1. Remove the SPEAKER-GRILLE by pulling forward.2. Remove screws (a) to remove the COVER-FRONT.3. Remove screws (b) on the rear of the upper back cover (4 across the top and 3 on each sid...

Page 8 - REAR DISASSEMBLY; Rear Plate Removal; NOTE

Page 8 MODEL: WD-52327 / WD-62327 COVER-BACK Removal 1) Remove 9 screws (a)2) Remove 6 screws (b)3) Remove 2 screws (c)4) Pull the COVER-BACK from the cabinet. REAR DISASSEMBLY FILTER-COVER Removal Remove 2 screws (d) to remove the Filter Cover. Rear Plate Removal 1) Remove 6 screws (a)2 Remove 6 sc...

Page 9 - Chassis Removal Procedure; CHASSIS REMOVAL

MODEL: WD-52327 / WD-62327 Page 9 Chassis Removal Procedure 1) Disconnect all relay connectors shown below (JE, CC, JJ, PP, LL & EE)2) Disconnect the J9 and DVI connectors at the Optical Engine.2) Remove three screws (a) securing the chassis.3) Carefully slide the chassis from the cabinet. CHASS...

Page 10 - Shield Removal

Page 10 MODEL: WD-52327 / WD-62327 Shield Removal 1) To remove SHIELD-COVER, remove 11 screws (a).2) To remove PWB-TERMINAL COVER, remove 9 screws (b).

Page 12 - Accessing The Lamp Ballast; to remove the support bracket.; Removing the Lamp Ballast Shield; Screws

Page 12 MODEL: WD-52327 / WD-62327 Accessing The Lamp Ballast Removing the Right Support (Rear View) 1) Remove the Air Filter.2) Remove the 3 screws (a).3) Lift the upper cabinet slightly to remove the support bracket. Removing the Lamp Ballast Shield (4 screws) Unplug CJ3 & CN2 Connectors 4 Scr...

Page 13 - OPTICAL ENGINE REPLACEMENT; Optical Engine is mounted on the Adjuster assembly as shown below.

MODEL: WD-52327 / WD-62327 Page 13 OPTICAL ENGINE REPLACEMENT Optical Engine is mounted on the Adjuster assembly as shown below. 1) The Optical Engine is secured to the bottom plate with 4 screws (b).2) The Black Bracket is secured to the bottom plate and the Lamp Cartridge Housing with 4 screws (c)...

Page 14 - Removing the Optical Engine

Page 14 MODEL: WD-52327 / WD-62327 Removing the Optical Engine 1) Remove the Cabinet BACK-BOARD and REAR-PLATE (refer to disassembly instructions).2) Disconnect all connectors connected to the Engine and the PWB-FORMAT.3) From the rear of the TV, remove the 4 screws (c), to remove the COVER-DUCT and...

Page 15 - Remove the follolwing parts from the Optical Engine; DMD Thermal Sensor; DMD Termal Sensor Removal (; Figure 1; Bottom Plate & Black Bracket Removal; Figure 2: Bottom Plate

MODEL: WD-52327 / WD-62327 Page 15 Remove the follolwing parts from the Optical Engine • DMD Thermal Sensor • The Optical Engine bottom plate and black bracket DMD Termal Sensor Removal ( Figure 1 ) 1) Remove screw (a) on the top of the DMD Fan.2) Set the Thermal Sensor aside to install on the repla...

Page 16 - Figure 3: Black Support Bracket; Installing the Optical Engine; the replacement Engine

Page 16 MODEL: WD-52327 / WD-62327 Figure 3: Black Support Bracket Front View Bla ck Bra cke t (C) Installing the Optical Engine 1) Install the Bottom Plate, Black Support Bracket and the Thermal Sensor from the original Optical Engine, on the replacement Engine 2) Reverse the removal procedure to i...

Page 17 - SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS; Wear gloves; when handling the Lenticular Screen and Fresnel Lens.; Do not place Fresnel Lens in the sun; This may cause fire and heat related injuries.; Lenticular Screen and Fresnel Lens Removal; from the Screen Frame.

MODEL: WD-52327 / WD-62327 Page 17 SERVICING 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 Screen...

Page 19 - Lenticular Screen and Fresnel Lens Installation; deform the Lenticular Screen and Fresnel Lens.; MODEL

MODEL: WD-52327 / WD-62327 Page 19 SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS Lenticular Screen and Fresnel Lens Installation Note: Store 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 tape (Pa...

Page 20 - ELECTRICAL ADJUSTMENTS; Test Equipment; A. Internally Generated Square Pattern Signals

Page 20 MODEL: WD-52327 / WD-62327 ELECTRICAL ADJUSTMENTS Note: Perform only the adjustments required.Do not attempt an alignment if proper equipment is not available. Test Equipment • Oscilloscope (Unless otherwise specified, use 10:1 probes)• Signal Generator (NTSC Color Bar) Test Signals A. Inter...

Page 21 - Initial Setup; Follow the steps below for the initial set-up:; Default Settings; V K 2 6 M a in M e n u D e fa u lt S e ttin g s; Off

Page 21 MODEL: WD-52327 / WD-62327 Initial Setup A. Option Menu Setup Follow the steps below for the initial set-up: 1. Select the "MENU" display by pressing the "MENU" button once.2. Press the number buttons "5", "7", "7", "0" in sequence to select th...

Page 22 - stored in memory for that specific input.; LED Indications; Function; Normal LED Indications

Page 22 MODEL: WD-52327 / WD-62327 C. 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. A/V Reset 1. The front panel AV Reset button initializes all A/V Memories.2. The AV Reset in the u...

Page 23 - LED Diagnostic Check; Initial Control Circuitry Check; Immediately after the TV is connected to an AC power source:; Error Code Operational Check; The front panel buttons must used, NOT those on the Remote Control.; Circuit Adjustment Mode; A. Activating the Circuit Adjustment Mode; ERR0R CODES; Error

Page 23 MODEL: WD-52327 / WD-62327 LED Diagnostic Check 1. Initial Control Circuitry Check Immediately after the TV is connected to an AC power source: 2. Error Code Operational Check Pressing the front panel “INPUT” and “MENU” buttons at the same time, and holding for 5 seconds,activates the Error ...

Page 24 - Press the “VIDEO” button to select a specific; D. Saving Adjustment Data; E. Terminating the Circuit Adjustment Mode; MAIN MATR; Adjustment Functions

Page 24 MODEL: WD-52327 / WD-62327 B. Selection of adjustment Functions and Adjustment Items To select an adjustment item in the circuit adjustment mode, first select theadjustment function that includes the specific item to be adjusted. Thenselect that adjustment item. Refer to the following pages ...

Page 25 - DDP Function; List of Service Adjustment Items; MAIN MATRIX; SUB MATRIX; SCNT; FPGA; Vertical Position

Page 25 MODEL: WD-52327 / WD-62327 DDP Function Stored in IC2K02 on PWB-TERMINAL Data Item # Abbrev. Description Range WD-52327 WD-62327 120 GGH High Temp. Green Gain 000~400 2FA 31F 121 GRH High Temp. Red Gain " 400 400 122 GBH High Temp. Blue Gain " 36D 34F 123 GGM Mid Temp. Green Gain ...

Page 27 - To set the sub picture color level.

MODEL: WD-52327 / WD-62327 Page 27 Purpose: Measuring Instrument Test Point Measuring Range Input Signal Ext. Trigger Input Terminal Symptom: Purpose: Measuring Instrument Test Point Measuring Range Input Signal Ext. Trigger Input Terminal Symptom: Oscilloscope JA-22 & JB-3 ------ ------ Color B...

Page 28 - To set high, mid and low temperature white levels.

MODEL: WD-52327 / WD-62327 Page 28 Purpose: Measuring Instrument Test Point Measuring Range Input Signal Ext. Trigger Input Terminal Symptom: Purpose: Measuring Instrument Test Point Measuring Range Input Signal Ext. Trigger Input Terminal Symptom: [PICTURE POSITION] 4. Horizontal/Vertical Position ...

Page 29 - Mechanical Adjustments; Front Disassembly; Rear Disassembly

MODEL: WD-52327 / WD-62327 Page 29 Mechanical Adjustments • To perform the mechanical adjustments, the TV must be on a flat level surface and a certain amount of disassembly is required. • Use internal Test Pattern B for all mechanical adjustments. Front Disassembly Refer to the diagram below for th...

Page 30 - Picture Rotation Adjustment

MODEL: WD-52327 / WD-62327 Page 30 Picture Rotation Adjustment NOTE: The TV must be on a flat level surface. 1. From the front of the TV, lift the foam to access and loosen slightly, the brass Rotation Locking Screws on the Adjuster Assembly, Figure 4A. (Use a 10mm wrench.) 2. From the rear of the T...

Page 31 - Keystone Adjustment; Horizontal Keystone Distortion

MODEL: WD-52327 / WD-62327 Page 31 Keystone Adjustment NOTE: The TV must be on a flat level surface 1. From the front of the TV, loosen the two Keystone Locking Screws in the small mirror assembly. (10mm wrench)2. From the front of the TV, adjust the Horizontal Keystone Adjustment for minimum distor...

Page 32 - are indicated by; Bold Type; in the Parts List; C u s to m e r Re p la c e a b le P a r ts

PAGE 32 MODEL: WD-52327 / WD-62327 QUICK REFERENCE FOR COMMON REPLACEMENT PARTS • Critical Electrical Components are indicated by Bold Type in the Parts List P a rt Na m e De scri pti on W D-52327 W D-62327 L a m p Ca rtri dge LAM P -CARTRI DGE 915P 020010 915P 020010 Dus t Filter FILTE R-DUS T 620D...

Page 33 - INTEGRATED CIRCUITS; TRANSISTORS; DIODES

PAGE 33 Ref # Part # Part Name & Description [#] MODEL: WD-52327 / WD-62327 Model Legend: [a] WD-52327, [b] WD-623275 Ref # Part # Part Name & Description [#] INTEGRATED CIRCUITS IC2D00 270P974010 IC-C-MOS - SII907B IC2D02 261P135010 FET-HEX - IRF7313 IC2D04 271P004010 IC - CM1208-08MS IC2K0...

Page 34 - COILS

Ref # Part # Part Name & Description [#] PAGE 34 Ref # Part # Part Name & Description [#] [#] Model Legend: [a] WD-52327, [b] WD-62327 MODEL: WD-52327 / WD-62327 D9A33 264P458050 DIODE - RD3.9EB1 D9A34 262P090010 DIODE - M1FP3 D9A41 264P828010 D-CHIP - DAN202U/MA142WK D9A42 264P828010 D-CHIP...

Page 36 - TRANSFORMERS; RESISTORS

Ref # Part # Part Name & Description [#] PAGE 36 Ref # Part # Part Name & Description [#] [#] Model Legend: [a] WD-52327, [b] WD-62327 MODEL: WD-52327 / WD-62327 LC8E07 409P876020 EMI-F-CHIP - CNF20C470S/CKD510JB1H470S LC8E08 409P876020 EMI-F-CHIP - CNF20C470S/CKD510JB1H470S LC8E09 409P87602...

Page 37 - CAPACITORS; CAPACITORS AND TRIMMERS

PAGE 37 Ref # Part # Part Name & Description [#] MODEL: WD-52327 / WD-62327 Model Legend: [a] WD-52327, [b] WD-623275 Ref # Part # Part Name & Description [#] R9A89 103P141090 R-CARBON 1/2W 330-J R9A90 103C394020 R-METAL-P - 3W 27K R9A91 103C394020 R-METAL-P - 3W 27K R9A92 103C288040 R-METAL...

Page 39 - SWITCHES

PAGE 39 Ref # Part # Part Name & Description [#] MODEL: WD-52327 / WD-62327 Model Legend: [a] WD-52327, [b] WD-623275 Ref # Part # Part Name & Description [#] C9C34 181P354060 C-ELEC - 35V 100M-M C9C35 181P355050 C-ELEC - 50V 10M-M C9C38 181P355050 C-ELEC - 50V 10M-M C9C61 181P352030 C-ELEC ...

Page 40 - PRINTED CIRCUIT BOARDS; ACCESSORIES

Ref # Part # Part Name & Description [#] PAGE 40 Ref # Part # Part Name & Description [#] [#] Model Legend: [a] WD-52327, [b] WD-62327 MODEL: WD-52327 / WD-62327 PRINTED CIRCUIT BOARDS 930B929001 ASSY-PWB-POWER 930B930001 ASSY-PWB-SIGNAL 930B931001 ASSY-PWB-FMT 930B932001 ASSY-PWB-TERMINAL 9...

Page 41 - SCREEN ASSEMBLY PARTS

PAGE 41 Ref # Part # Part Name & Description [#] Ref # Part # Part Name & Description [#] MODEL: WD-52327 / WD-62327 Model Legend: [a] WD-52327, [b] WD-623275 SCREEN ASSEMBLY PARTS WD-52327 (1) 491P175010 LENS-FRESNEL (2) 491P176030 SCREEN-LENTICULAR (3) 623D174010 SCREEN - HOLDER (4) 701B49...