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Mitsubishi Electric WD-52526 Service Manual

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MITSUBISHI ELECTRIC
WD-52327
WD-52327
WD-52526
WD-52526
CAUTION:
Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in this manual.
• Power Input
• Power Usage
• Light Engine
• Light Source
• Channel Range
• Antenna Input
• Tuning
• Cabinet Dimensions
• Weight
• Speakers (8 Ohms 10W)
• Design specifications are subject to change without notice.
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
SPECIFICATIONS
: AC 120V, 60Hz
: 295W
: 3 LCD (1280 x 720 pixels)
: 110W
: Air VHF - 2~13, UHF - 14~69
Analog Cable - 1~125
Digital Cable - 1~135
: RF 75Ω unbalanced
: 1 NTSC/ATSC/QAM
: [WD-52526]
34"(H) x 49.6"(w) x 17.8"(D)
: [WD-62526]
40.5"(H) x 58.3"(W) x 19.9"(D)
: [WD-52526]
110 lbs
: [WD-62526]
133 lbs
: 2-5 ½ x 2 ¼ inch
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2006 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
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Manual
Manual
Manual
Manual
Manual
LCD PROJECTION HDTV
V28L CHASSIS
V28L Chassis
WD-52526
WD-62526
Pb Solder
• Input Level
: VIDEO IN JACK (RCA Type)
1.0Vp-p 75W unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43kW unbalanced
: S-VIDEO IN JACK
(Y/C separate type)
Y:1.0 Vp-p C:0.286Vp-p(BURST)
75W unbalanced
: COMP / Y, Cr, Cb (RCA Type)
Y: 1.0 Vp-p Cr, Cb: 700mVp-p
• Output Level
: VIDEO OUT JACK (RCA Type)
1.0Vp-p 75W unbalanced
: AUDIO OUT JACK (RCA Type)
-4.7dBm 4.7kW unbalanced
• Digital
: AC-3 Digital Audio Output
(RCA Type)
: HDMI
: Lead-Free solder PWBs
Pb Solder
.
2006
2006
2006
2006
2006
TM

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Table of Contents

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   Summary of Contents for Mitsubishi Electric WD-52526

  • Page 1 • Tuning : 1 NTSC/ATSC/QAM : COMP / Y, Cr, Cb (RCA Type) Y: 1.0 Vp-p Cr, Cb: 700mVp-p • Cabinet Dimensions : [WD-52526] 34"(H) x 49.6"(w) x 17.8"(D) • Output Level : VIDEO OUT JACK (RCA Type) : [WD-62526] 1.0Vp-p 75W unbalanced...
  • Page 3: Table Of Contents

    MODEL: WD-52526 / WD-62526 CONTENTS INTRODUCTION ..........................5 PRODUCT SAFETY NOTICE ......................5 SAFETY PRECAUTIONS ......................... 6 DISASSEMBLY ..........................7 Front Cabinet Components ......................7 Chassis Removal ..........................8 Chassis Disassembly / Accessing PWBs ..................12 Light Engine Replacement ......................17 SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN .............
  • Page 4: Schematic Diagrams Page

    MODEL: WD-52526 / WD-62526 Power Distribution ......................... 51 Analog Video Signal Path ......................52 Digital Video Signal Path ......................53 Sound Signal Path ........................54 Command Input Circuitry ....................... 55 Serial Data Control Lines ......................55 Lamp Control Circuitry ........................56 Shutter Control ..........................
  • Page 5: Introduction

    MODEL: WD-52526 / WD-62526 INTRODUCTION This service manual provides service instructions for LCD Projection TV Models WD-52526 and WD-62526, using chassis V28L. 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: Safety Precautions

    MODEL: WD-52526 / WD-62526 SAFETY PRECAUTIONS NOTICE: Observe all cautions and safety related notes located inside the receiver cabinet and on the receiver chassis. WARNING: Operation of this receiver outside the cabinet or with the cover removed presents a shock hazard from the receiver's power supplies.
  • Page 7: Disassembly

    MODEL: WD-52526 / WD-62526 CABINET FRONT DISASSEMBLY SPEAKER GRILLE Removal Pull the SPEAKER-GRILLE away from the cabinet to remove. 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: Chassis Removal

    MODEL: WD-52526 / WD-62526 CHASSIS REMOVAL BACK-COVER Removal 1) Remove 9 screws (a) 2) Remove 13 screws (b) 3) Pull the COVER-BACK from the cabinet. Metal Support Plate Removal Remove 4 screws (a) to remove the metal support plate, Page 8...
  • Page 9 MODEL: WD-52526 / WD-62526 Chassis Mounting Screws Removal Remove the two chassis mounting screws (b). Release Cable Clamps & Disconnect CE Connector Cable Cable Cable Clamp Clamp Clamp Connector Page 9...
  • Page 10 MODEL: WD-52526 / WD-62526 On the right side of the chassis (from the rear): 1) Release the AC Cord from it’s mounting. 2) Unplug ES1 connector to the speakers. ES1 Connector AC Cord Chassis removal from the Cabinet Carefully rotate the chassis clockwise to slide it from the cabinet.
  • Page 11 MODEL: WD-52526 / WD-62526 Complete Chassis Removal To completely remove the chassis from the cabinet, the folowing connectors must be unplugged. • PL plug to the Ballast (on the left side of the chassis). • KA plug from the PWB-RISER (right side of chassis).
  • Page 12: Chassis Disassembly / Accessing Pwbs

    MODEL: WD-525276 / WD-62526 Chassis Disassembly / Accessing PWBs Note: Although not individually indicated, unplug the required connectors in each disassembly step. Chassis Sequence of Disassembly REMOVE Chassis Top Cover (Fig. 1) REMOVE PWB-POWER (Fig. 3) REMOVE Assy PWB-TERMINAL (Fig. 2) REMOVE Chassis Top Shield (Fig.
  • Page 13 MODEL: WD-525276 / WD-62526 Chassis Cover Removal (Figure 1) 1) Remove the 4 screws (a). 2) Lift the Cover from the chassis. Figure 1: Chassis Cover Removal Assy PWB- TERMINAL Removal (Figure 2) 1) Remove 7 screws (a) to remove the TERMINAL-INLAY.
  • Page 14 MODEL: WD-525276 / WD-62526 PWB-POWER Removal (Figure 3) 1) Remove four screws (b). 2) Disconnect all connectors to PWB-POWER. 3) Lift PWB-POWER from the chassis. Chassis Upper Shield Removal (Figure 3) 1) Remove seven screws (c). 2) Lift the Shield from the chassis. Figure 3: PWB-POWER and Chassis Upper Shield Page 14...
  • Page 15 MODEL: WD-525276 / WD-62526 Chassis Rear Shield Removal (Figure 4) 1) Remove seven screws (c). 2) Remove nut (c1). 3) Pull off Chassis Rear Shield. Figure 4: Chassis Rear Shield Removal PWB-MICRO Removal Referring to Figure 5. 1) Remove three screws (d). 2) Unplug PWB-MICRO from PWB-RISER and remove from the chassis.
  • Page 16 MODEL: WD-525276 / WD-62526 PWB-RISER and PWB-FORMAT Removal Referring to Figure 6. 1) Remove one screw (e). 2) Unplug and remove PWBs RISER and FORMAT. Figure 6: PWBs RISER and FORMAT Removal PWB-DM Removal (Figure 7) 1) Remove three screws (g) holding the PWB- MICRO Support Bracket.
  • Page 17: Light Engine Replacement

    MODEL: WD-525276 / WD-62526 Light Engine Replacement Light Engine and Associated Components The exploded view below shows the the Light Engine and those components attached directly to the Engine. When replacing the Light Engine, these components must be removed from the original Light Engine. NOTE: To replace the Lamp Bal- last the Light Engine must removed from the cabinet but doesn’t need...
  • Page 18 MODEL: WD-525276 / WD-62526 Light Engine Replacement Preliminary Refer to the chassis removal procedure and remove the BACK-COVER and Metal Support Plate (page 8) 1) Remove (3)* screws (a) from Filter Cover Holder Light Engine Removal Procedure The following steps describe how to remove the Light Engine from the cabinet and those parts that are not included in a replacemant Engine Light Engine (Rear View)
  • Page 19 MODEL: WD-525276 / WD-62526 Light Engine Replacement 5) Remove two screws (c) from Fan Plate and remove 4) Remove one screw (b) securing engine plate and base Fan Plate 6) Disconnect all connectors 7) Remove DVI cable and (2) connectors 8) Remove wiring from three wiring clamps (d).
  • Page 20 MODEL: WD-52526 / WD-62526 10) Remove (4) screws (g) from Lamp Fan Bracket 11 Loosen (2) screws (h) to remove Ballast Cable 12) Disconnect all connectors from Interface PWB and remove (2) screws (k) from Bracket 13) Remove (4) screws (n) from Intake Cover...
  • Page 21 MODEL: WD-52526 / WD-62526 15) Lift the Engine from Engine plate leaving the Screw (d) Lamp Duct fan, Lamp Duct Intake and Ballast. INSTALLATION 1) Reverse the above steps. 2) Copy White Balance Data to PWB-FMT (refer to page 29).
  • Page 22: Servicing The Lenticular Lens And Fresnel Screen

    MODEL: WD-52526 / WD-62526 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.
  • Page 23 MODEL: WD-52526 / WD-62526 Figure 2: BEZEL Removal (Front View) Figure 3: Lenticular Screen & Fresnel Lens Removal (Rear View) Page 23...
  • Page 24: Installation Of The Lenticular Screen And Fresnel Lens

    MODEL: WD-52526 / WD-62526 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.
  • Page 25: Adjustments

    MODEL: WD-52526 / WD-62526 MENU-2-4-7-0 OPTION MENU OPTION MENU Initializing 1. Press the “MENU” button on the remote hand unit. DTV Port :Auto 2. Press the buttons “2”, “4”, “7” and “0” in order. Direct Key Mode :Off (The screen will change to the option menu.)
  • Page 26: Led Indicator Diagnostics

    MODEL: WD-52526 / WD-62526 AV Reset Defaults Input Component HDMI™ A/V Memory Ant 1&2 1/2/3 1/2/3* 1&2 TV Contrast TV Brightness Center Center Center Center TV Sharpness Center Center Center Center TV Color Center Center Center Center TV Color Temp.
  • Page 27: Error Codes Operational Check

    MODEL: WD-52526 / WD-62526 Abnormal LED Indications POWER STATUS LAMP Power Condition Status Yellow Excess Temperature Power Off or On Yellow Usage time over 4000 Hrs. change Blinks Lamp Cover open Yellow Power Blinks " Filter Cover Open Yellow Stby...
  • Page 28: Service Adjustment Mode

    MODEL: WD-52526 / WD-62526 SERVICE ADJUSTMENTS There are only 5 Service Adjustments required in these models: Two Electrical Adjustments • Horizontal Centering • Vertical Centering Three Mechanical Adjustment • Picture Rotation • Horizontal Keystone Distortion • Vertical Keystone Distortion Measuring equipment and Jigs •...
  • Page 29: Transferring Data

    MODEL: WD-52526 / WD-62526 4. Adjustment Selection Use the “VIDEO” button to select a specific elecrtrical ajustment, “1 HPOS” or “2 VPOS”. 5. Adjusting Data After selecting an adjustment item, use the “UP” and “DN” buttons to change adjustment data.
  • Page 30: Light Engine Adjustment

    MODEL: WD-52526 / WD-62526 Light Engine Adjustments Test Signal Activation 1) Press “MENU-2-4-5-7” (Service Mode) 2) Press “REW” (Test Pattern). Red = 4% overscan White = 5% overscan Green = 6% overscan Cyan = 7% overscan Yellow - 10 overscan...
  • Page 31: Trapezodial Distortion Adjustment

    MODEL: WD-52526 / WD-62526 Trapezoid Distortion Adjustment 1) Loosen [A-1] and [A-2] so they clear [A-3]. 2) For Distortion at the top of the picture, rotate [A-3] counter clockwise (the picture will move upward). 3) For distortion at the bottom of the picture, rotate [A-3] clockwise (the picture will move upward).
  • Page 32: Hortizontal & Vertical Position

    MODEL: WD-52526 / WD-62526 [Format Circuit] To center the picture on the screen. Purpose: Horizont/Vertical Position Symptom: Picture is off center. Adjustment Measuring Instrument 1. Press “MENU-2-4-5-7”, activates the Service Mode.. Test Point 2. Press “REWIND”, activates the Overscan Test Pattern ---- 3.
  • Page 33: Troubleshooting

    MODEL: WD-52526 / WD-62526 MICRO / TERMINAL PWB TROUBLESHOOTING Troubleshooting Guide Symptom Possible Causes No audio or video from one Physical damage to RCA jack, or broken external input. solder or trace at pin on terminal board. TA connector loose, No Vcc to IC2K01,...
  • Page 34: Optical Engine

    MODEL: WD-52526 / WD-62526 OPTICAL ENGINE TROUBLESHOOTING Symptom Cause What to check FMT does not turn on lamp due to fault Check error code on front pannel. Check problem detection indicated. No DC supply to ballast Check power PWB PL connector for approx. 340VDC.
  • Page 35: Protect Lines

    MODEL: WD-52526 / WD-62526 LAMP PROTECT LINE LAMP_PROT. COVER-DET Emergency Status Voltage Indicators code Comment [CD] (Device+Menu) (KA/pin 14) Normal Engaged 2.46 V condition Turns OFF Lamp: 1.64 V OPEN fast Yellow, blink. (1-2 sec). ENGINE PROTECT LINE Emergency ENG_PROT. Voltage...
  • Page 36: Using Lead Free Solder

    MODELS: WD-52526 / WD-62526 Using Lead Free Solder Pb Solder • The flux is more corrosive. • The time required for a good solder connection may The above symbol indicates Lead (Pb) Free solder was take longer. used during the construction of PWBs. Only Lead •...
  • Page 37: Chip Parts Replacement

    MODELS: WD-52526 / WD-62526 CHIP PARTS REPLACEMENT Some resistors, shorting jumpers (0 Ohm resistors), Chip Parts Removal (Transistors) ceramic capacitors, transistors and diodes are chip parts. Melt the solder of one lead and lift the side of The following precautions should be taken when replacing that lead upward.
  • Page 38: Replacement Parts

    MODELS: WD-52526 / WD-62526 REPLACEMENT PARTS Parts Ordering To expedite delivery of replacement parts orders, specify the following: Model Number/Serial Number Part Number and description Quantity Note: Unless complete information is supplied, delay in processing of orders will result. Critical and Warranty Parts Designation Critical Electrical Components are indicated by Bold Type in the Parts List, and in the schematic diagrams by shading.
  • Page 39: Quick Reference List

    MODELS: WD-52526 / WD-62526 QUICK REFERENCE FOR COMMON PARTS MAJOR BOARD ASSEMBLIES Assembly WD-52526/WD-62526 ASSY-PWB-POWER1 930B933001 ASSY-PWB-TERMINAL 934C150001 ASSY-PWB MICRO 934C151002 ASSY-PWB-DM 934C152009 ASSY-PWB V28FMT 934C153001 ASSY-PWB RISER 934C154003 ASSY-PWB INTERFACE 934C155001 ASSY-PWB-DEMOD1 935D819002 OPTICAL COMPONENTS UNIT-POWER-LAMP MODEL OPTICAL-ENGINE LAMP CARTRIDGE...
  • Page 40: Service Parts List

    MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description IC8009 276P064010 IC-C-MOS - SN74LVC1G125DBV INTEGRATED CIRCUITS IC80E1 275P657050 IC-C-MOS - 24LC256T-I/SN IC101...
  • Page 41 MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description IC9G41 271P141010 IC - TPS40071PWPR D7L21 264P212020 D-LED - LN31GPH IC9G70 270P992050 IC - BA90BC0FP-E2...
  • Page 42 MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description D9J04 264P878010 D-CHIP - HZM27WA L2289 409P777080 EMI-F-CHIP - BLM21P221S D9J05 264P878010 D-CHIP - HZM27WA...
  • Page 43 MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description L7E17 409P777080 EMI-F-CHIP - BLM21P221S L8013 409P865080 EMI-F-CHIP - BLM18PG6 L7E18 409P777080 EMI-F-CHIP - BLM21P221S...
  • Page 44 MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description L8G36 409P865060 EMI-F-CHIP - BLM11B141S LC8704 409P944010 EMI-F-CHIP - NFL21SP107X1 L8G37 409P865060 EMI-F-CHIP - BLM11B141S...
  • Page 45 MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description Part No. Value Part No. Value R9A14 103C184090 R-METAL - 2W 100K-J 103P501000...
  • Page 46 MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description 141P142040 B50V 0.018M-K 181P828010 4V 220M-M 105C C9A36 181P735020 C-ELEC - 25V 1000M-M 105C 141P144010 F50V 0.047M-Z...
  • Page 47 MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52527, (b) WD-62527 Ref # Part # Part Name & Description Ref # Part # Part Name & Description S7L27 432P109010 SW-KEY BOARD - KSHS611BT J7T01 452C401010 CONNECTOR-USB S7L28 432P109010 SW-KEY BOARD - KSHS611BT...
  • Page 48: Screen Assembly Parts List

    MODELS: WD-52526 / WD-62526 [#] Model Legend: (a) WD-52526, (b) WD-62526 Ref # Part # Part Name & Description Ref # Part # Part Name & Description SCREEN ASSEMBLY PARTS WD-62526 WD-52526 096Z465080 TAPE-LENS 096Z465080 TAPE-LENS 491P175040 LENS-FRESNEL 491P175030 LENS-FRESNEL...
  • Page 49: Circuitry Block Diagrams

    MODELS: WD-52526 / WD-62526 Page 49...
  • Page 50: Lamp Ballast Dc Supply

    MODELS: WD-52526 / WD-62526 Lamp Ballast DC Supply Fans Power Supply Page 50...
  • Page 51: Power Distribution

    MODELS: WD-52526 / WD-62526 Power Distribution Page 51...
  • Page 52: Analog Video Signal Path

    MODELS: WD-52526 / WD-62526 Analog Video Signal Path Page 52...
  • Page 53: Digital Video Signal Path

    MODELS: WD-52526 / WD-62526 Digital Video Signal Path Page 53...
  • Page 54: Sound Signal Path

    MODELS: WD-52526 / WD-62526 Page 54...
  • Page 55: Command Input Circuitry

    MODELS: WD-52526 / WD-62526 Command Input Circuitry Serial Control Lines Page 55...
  • Page 56: Lamp Control Circuitry

    MODELS: WD-52526 / WD-62526 Lamp Control Circuitry Shutter Control Page 56...
  • Page 57: Lamp, Engine And Fan's Protect Circuitry

    MODELS: WD-52526 / WD-62526 Lamp, Engine & Fan Protect Circuitry Page 57...
  • Page 58 MODELS: WD-52526 / WD-62526 Page 58...
  • Page 59 PHDR 3.3V 3.3V TEMP ENGINE 3.3V MD(LCD/DMD)_FAN PBS-FAN SHUTTER CNTRL LAMP TEMP LAMP-FAN CONTENTS WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L LAMP LENS PG 3..INTERFACE PG 4..FMT [DVI] JPS1 PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] TMDS PG 7..MICRO2 [AUD-PIC] PG 8..MICRO3 [TV uP]...
  • Page 60 C9D00 AC125V/250V R9D00 RV9D01 4.7M 1/2W RV9D00 CONTENTS AG9D00 F9D00 DSS-302M S10A 125V WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] LIVE NEUTRAL PG 5..FMT [MICRO] 1 2 3 PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC] ET9A01 PG 8..MICRO3 [TV uP]...
  • Page 61 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 TO SENSORS & FANS TO BALLAST CONTENTS TO/FROM RISER TO CONTROL TO PREAMP WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC]...
  • Page 62 DATA FMT BOARD INPUT BUS CONTROL YIN[0-7],CRIN[0-7],CBIN[0-7],HIN,YSIN,VIN,PCLK FMT uP CONTROL BUS TX25-80P-LT-H1 CONTENTS DGND 3.3V WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] TO DM BOARD PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC] PG 8..MICRO3 [TV uP]...
  • Page 63 47x4 47x4 47x4 47x4 1/16W 1/16W 1/16W 1/16W CONTENTS DD[0-31] DD[0-31] WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC] PG 8..MICRO3 [TV uP] PG 9..MICRO4 [HDMI] PG 10..TERMINAL...
  • Page 64 TO TVuP TO HDMI TO TVuP (PAGE 4) TO TVuP (PAGE 3) (PAGE 3) (PAGE 4) (PAGE 3) CONTENTS WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC] PG 8..MICRO3 [TV uP]...
  • Page 65 TA-68 TA-66 RA-55 RA-5 TO TVuP CONTENTS MICRO_3 TO VID-SW PG 1..BLOCK WD-52526 V28L MICRO_1 PG 2..POWER LC FILTERS ARE CNF20C470S/CKD510JB1H470S UNLESS MARKED OTHERWISE. WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC] PG 8..MICRO3 [TV uP]...
  • Page 66 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 CONTENTS WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] TO HDMI TO HDMI PG 5..FMT [MICRO]...
  • Page 67 R1X2-A R1X1-A (20) Location Post (GND) Line2 R1X1+A R1X2+A CONTENTS (21) Location Post (GND) VCC/OPEN ACM2012D-900-2P-T00 (22) Location Post (GND) WD-52526 V28L T2104 IC2401 R2424 PG 1..BLOCK Line3 Q2401 (23) Location Post (GND) CS4334-KSR 1/16W R1X2-A 2SC3052-T112-1E,F PG 2..POWER C2408...
  • Page 68 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 5VSDA 5VSCL CONTENTS PG 1..BLOCK WD-52526 V28L PG 2..POWER WD-62526 V28L PG 3..INTERFACE TO SIGNAL PWB - VID-SW PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW]...
  • Page 69 15 16 17 18 19 10 11 12 13 14 15 16 17 18 19 AGND CONTENTS TO DM_1 ATSC/NTSC TUNER TO DM_1 ATSC/NTSC TUNER WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW]...
  • Page 70 1/16W BUSREQ C2C11 DGND 0.01 L2C11 221 OHM DGND 12VS CONTENTS WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC] PG 8..MICRO3 [TV uP] PG 9..MICRO4 [HDMI] PG 10..TERMINAL...
  • Page 71 1/16W Z-.1 25V/16V R7K02 3.3K 1/16W L7K01 221 OHM C7K01 CONTENTS WD-52526 V28L PG 1..BLOCK PG 2..POWER WD-62526 V28L PG 3..INTERFACE PG 4..FMT [DVI] PG 5..FMT [MICRO] PG 6..MICRO1 [VID-SW] PG 7..MICRO2 [AUD-PIC] PG 8..MICRO3 [TV uP] PG 9..MICRO4 [HDMI] PG 10..TERMINAL...

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Wd-62526

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