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Hitachi P50H401/DW3-U Service Manual

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SERVICE MANUAL
IMPORTANT SAFETY PRECAUTIONS ................................................................... 2
PRODUCT SAFETY NOTICE .................................................................................. 3
SERVICING PRECAUTIONS ................................................................................... 4
AGENCY REGULATORY INFORMATION .............................................................. 9
ACKNOWLEDGMENTS AND TRADEMARKS ........................................................ 10
INTRODUCTION ...................................................................................................... 11
SPECIFICATIONS .................................................................................................... 12
BASIC SETUP & OPERATION ................................................................................ 24
ADJUSTMENTS ....................................................................................................... 42
TROUBLESHOOTING FLOWCHARTS .................................................................. 55
BLOCK DIAGRAMS ................................................................................................. 60
CONNECTOR DIAGRAMS ...................................................................................... 62
FINAL WIRING DIAGRAM ....................................................................................... 63
QUICK DISASSEMBLY GUIDE ............................................................................... 64
FINAL ASSEMBLY GUIDE ....................................................................................... 75
WAVEFORMS .......................................................................................................... 84
DC VOLTAGES ........................................................................................................ 85
CIRCUIT SCHEMATIC DIAGRAMS ......................................................................... 86
PRINTED CIRCUIT BOARDS .................................................................................. 96
PARTS LIST ............................................................................................................. 105
QUICK REFERENCE PARTS LIST ......................................................................... 112
REMOTE CONTROLS used in the DW-1, DW-2, DW-3 Entering Service Menu ..... 114
IN-DEPTH VIDEO / AUDIO TROUBLESHOOTING FLOWCHARTS ....................... 115 / 120
IN-DEPTH PANEL 50AE1 TROUBLESHOOTING FLOWCHARTS ......................... 122 ~ 135
These servicing instructions are for use by qualified service personnel only. To reduce the risk of
CAUTION:
Electric shock do not perform any servicing other than that contained in the operating instructions
Unless you are qualified to do so. Before servicing this chassis, it is important that the service
Technician read the "IMPORTANT SAFETY INSTRUCTIONS" in this service manual.
Components having special safety characteristics are identified by a ! on the schematics and on the parts list in this
Service Data and its supplements and bulletins. Before servicing the chassis, it is important that the service technician
Read and follow the "Important Safety Instructions" in this Service Manual.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
Version 0224-9
Updated 02/09/2008
FEBRUARY 2007
TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW
CONTENTS
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
PLASMA DISPLAY PANEL
PA
No. 0224
P50H401 / DW3-U
P50H4011 / DW3-U
P50T551 / DW3-U
R/C: CLU-4371UG2 p/n HL02075
R/C: CLU-4372UG2 p/n HL02076
R/C: CLU-4371A
p/n HL02401
HHEA-MANUFACTURING DIVISION
P50H401
P50H4011
P50T551
(Pg 45 Updated 10/07)
(Updated 09/07 / 09/07)
(Added Pg 61-A 02/08)
(Updated 01/08)
(Updated 04/07)
(Added 10/07)
(Added 11/07)
(Added 11/07)

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Summary of Contents for Hitachi P50H401/DW3-U

  • Page 1: Table Of Contents

    No. 0224 P50H401 / DW3-U P50H4011 / DW3-U P50T551 / DW3-U SERVICE MANUAL R/C: CLU-4371UG2 p/n HL02075 P50H401 R/C: CLU-4372UG2 p/n HL02076 P50H4011 R/C: CLU-4371A p/n HL02401 P50T551 TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW CONTENTS IMPORTANT SAFETY PRECAUTIONS ..............2 PRODUCT SAFETY NOTICE ..................
  • Page 2 DW3U SAFETY PRECAUTIONS Comply with all cautions and safety-related notes NOTICE: Leakage Current Hot Check located on or inside the cover case and on the chassis or plasma Plug the AC line cord directly into a 120V AC outlet. (Do not use an module.

  • Page 3: Product Safety Notice

    For the latest information, always the module (glass-panel). consult the current HITACHI Service Manual. A subscription to, 3. Please do not stand the module with the edge of the glass- or additional copies of HITACHI Service Manuals may be panel on the table since this might result in damage to the obtained at a nominal charge from HITACHI Sales Corporation.

  • Page 4: Servicing Precautions

    DW3U SERVICING PRECAUTIONS CAUTION: Before servicing instruments covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and addenda, read and Some semiconductor (solid state) devices can be damaged follow the “Important Safety Instructions” on page 3 of this easily by static electricity.
  • Page 5 5. Inspect (on the circuit board copper side) the solder joints IC Removal/Replacement Some Hitachi unitized chassis circuit boards have slotted of the two “original leads”. If they are not shiny, reheat holes (oblong) through which the IC leads are inserted and them and, if necessary, apply additional solder.
  • Page 6 2. Trace along the copper pattern from both wire sides of ensure the maintenance of reliability and safety standards, the pattern break and locate the nearest component contact your Hitachi personnel. directly connected to the affected copper pattern. At IC Connections 3.
  • Page 7 DW3U NOTE: These components are affixed with glue. Be careful not to break or damage any foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose. Leadless Chip Components How to Replace Flat-lC (surface mount)
  • Page 8 DW3U Information for service about lead-free solder introduction Hitachi introduced lead-free solder to conserve the "Earth Environment". Please refer to the following before servicing. (1) Characteristic of lead-free solder Melting point of lead free solder is 40-50 C higher than solder containing lead.

  • Page 9: Agency Regulatory Information

    Modifications The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Hitachi America ,Ltd. Home Electronics Division may void the user’s authority to operate the equipment. Cables Connections to this device must be made with shielded cables with metallic RFI/EMI connector hoods to maintain compliance with FCC Rules and Regulations.

  • Page 10: Acknowledgments And Trademarks

    DW3U ACKNOWLEDGMENTS AND TRADEMARKS This Plasma Television complies with VESA DDC2B specifications, Plug & Play is a system with computer, peripherals (including monitors) and operating system. It works when the monitor is connected to a DDC ready computer that is running an operating system software that is capable for the plug & play. When a Plug and Play PC is powered on, it sends a command to the Monitor requesting identification.

  • Page 11: Introduction

    Digital AV Block and after processing, delivers the image to the display module. This HITACHI Service Manual is intended for the qualified service personnel and it contains the necessary information for troubleshooting the Plasma television set in case of malfunction.

  • Page 12: Specifications

    DW3U SPECIFICATIONS FEATURES 2007 50" Plasma models Model P50H401/P50T501/P50H4011 1240mm x 880.85mm x 422mm Dimension Size Weight 53 Kg Input AC Voltage AC108V~132V (with 3 Plug AC Power Cord i nlet A/C Input type ,1.8m length) Voltage Input AC Frequency 60Hz Power Consumption 460W, SBY less than 1W...
  • Page 13 DW3U SPECIFICATIONS FEATURES (continued) Model P50H401/P50T501/P50H4011 General Gamma Correction Only for Service Menu Function Picture Enhancer Input Signal Identification Audio Special Mode Power Save Mode With (On/Off) (Video In) Normal: Blue Power Save: Orange Stand by: Red Burning Protection With (Raster Shift:3 option.AII White Pattern) OSD Language (VIDEO) ENGLISH , FRANCAIS , ESPA ÑOL Swivel...
  • Page 14 DW3U FEATURES & DIFFERENCES BETWEEN 50" MODELS QAM Basic Model Name Class Chassis Series Cabinet Aspect ATSC ATSC/NTSC Digital MPEG Name Design 1Tuner Cable Decoder Gemstar P50H401 H401 DW3A 16x9 UltraVision Bottom Speaker Silver P50T501 T501 DW3A 16x9 Cineform WW Bottom Speaker Black/Silver P50H4011 H4011 DW3A 16x9...
  • Page 15 DW3U General Specifications Environment Specifications Model Specifications P50H401/P50T501/P50H4011 Item Specification Model Name Item Operating Temp. +5°C~+35°C Destination U.S.A. / CANADA Stock Temp. -15°C~+60°C Exterior Cabinet Dimensions Operating Humidity 20%~80%RH (Main Body) (Speaker & 1 2 4 0 m m x 8 8 0 . 8 5 m m x 4 2 2 m m stand inclusive) Stock Humidity 20%~90%RH...
  • Page 16 DW3U 9. Display Specification （Continuation） 9.1 Picture Format for Each Input Source Input Auto Aspect Aspect Aspect, Vertical Position, Black Side Panel, PIP Mode Signal Aspect Video ID 16:9 16:9 16:9 Standard 1 Standard 2 Zoom Standard Expanded Zoom 1 Zoom 2 HDMI1 HDMI...
  • Page 17 DW3U [Expansion] <4x3 Format> <16x9 Format> 4:3 Expanded Mode 16:9 16:9 16x9 Standard1 Standard1 162% Horizontal Expansion Ratio 16:9 16x9 Standard2 113% 16:9 16:9 16x9 90 100 Zoom Zoom Horizontal Position 16x9 Format Format Standard 100% 100% 16x9 Expanded Expanded Expanded Zoom1 162%...
  • Page 18 DW3U 9.1.2 Aspect Key Operation (3) HDMI/YPBPR: 1080p/1080i/720p (1) ANT Analog Channel Aspect Aspect Aspect 16:9 16:9 16:9 16:9 Standard1 Standard2 Standard1 Zoom Standard Aspect Aspect Aspect Aspect Aspect Aspect Aspect 16:9 Expanded Zoom Zoom2 Zoom1 Expanded (2) ANT Digital Channel (4) HDMI/YPBPR: 480p/480i, Video/S-Video (a) Aspect: 16x9 (4-1) Auto Aspect OFF...
  • Page 19 DW3U (b) Video ID/HDMI Info: Letter 9.1.3 Vertical Position Operation Aspect Input Vertical Position 16:9 16:9 Standard Expanded Standard1/2 Zoom Standard Expanded Zoom 1 Zoom 2 Video NTSC ±0 step ±10 step ±0 step ±10 step ±10 step ±10 step Analog Gray out (±30 lines)
  • Page 20 DW3U 9.1.4 Black Side Panel Operation 9.1.5 PIP Mode Model Input Aspect POP/SPLIT/ FREEZE PIP/STOROBE 16:9 Standard1 4:3 Standard Black Side Panel Black Side Panel <Available Function on Each Model> 16:9 Standard2 Normal “Off” “On” Model PIP/POP SPLIT Freeze 16:9 Standard Real T Series 16:9 Zoom...
  • Page 21 DW3U Digital Component/Composite/S-IN/HDMI POP Mode: Mode 1080i 720p 480p 480p 480i 480i 1080i/p 720p 480p 480p 480i 480i Main 16x9 16x9 16x9 16x9 16x9 16x9 16x9 16x9 Digital 1080i 16x9 － － － － － － － － － － －...
  • Page 22 DW3U (1) PIP Key Operation (2) Freeze Operation Normal Viewing Main Frozen Freeze Exit Freeze Main Moving Frozen Freeze Freeze STROBE SPLIT (3) SWAP Operation Main Audio Audio 16x9 Main Audio Audio Exit Main Audio Audio PIP OFF PIP OFF (Note) If PIP Key is pushed from a Normal screen, PIP of Last Mode will be displayed.
  • Page 23 DW3U (4) Monitor Out (4) PIP Position Operation Main Audio Audio Main Audio Audio Main Audio Audio Main Monitor Out Monitor Out Audio Audio (Note) When right and left Key are pushed, the sound of Main and Sub interchanges. The picture and sound of the selected picture are outputted from Monitor out. When the selected picture is Component or HDMI signal and audio out is monitor, monitor out is no picture and no audio.
  • Page 24 How to set up your new HITACHI Plasma Television To take measures to prevent the Plasma Television from tipping over and prevent possible injury it is important to mount the unit in a stable and flat surface. Securing to a table-top ANTENNA 1.
  • Page 25 How to set up your new HITACHI Plasma Television AC CORD INSTALLATION INSTRUCTION The AC cord provided with your new Plasma Television needs to be installed correctly to avoid the AC cord from disconnecting when rotating the TV on its Table top stand.
  • Page 26 How to set up your new HITACHI Plasma Television VIEWING The best picture is seen by sitting directly in front of the TV and about 10 to 18 feet from the screen. During daylight hours, reflections from outside light 4" Minimum BEST may appear on the screen.
  • Page 27 Hook-up Cables and Connectors Most video/audio connections between components can be made with shielded video and audio cables that have phono connectors. For best performance, video cables should use 75-Ohm coaxial shielded wire. Cables can be purchased from most stores that sell audio/video products. Below are illustrations and names of common connectors.
  • Page 28 Quick Reference Remote Control Buttons and Functions In addition to controlling all of the functions on your HITACHI Plasma TV, the new remote control is designed to operate different types of devices, such as, DVD Players, CBL (Cable Boxes), set-top-boxes, satellite receivers, and VCRs.
  • Page 29 Quick Reference Remote Control Buttons and Functions In addition to controlling all of the functions on your HITACHI Plasma TV, the new remote control is designed to operate different types of devices, such as, DVD Players, CBL (Cable Boxes), set-top-boxes, satellite receivers, and VCRs.
  • Page 30 This card slot is for future software upgrades. appears in the top right corner of the TV screen. Hitachi will notify you if a software upgrade is These buttons also serve as the cursor down ( ) required for your TV. In order to receive written and up ( ) buttons when in MENU mode.
  • Page 31 NOTES: Your HITACHI Plasma TV will appear to be turned OFF (lights orange) if there is no video input when INPUT : 1, 2, 3, Front and HDMI 1, 2 , Front. Check the Power Light to make sure the TV is turned off or in Stand-by mode (lights red) when not in use.
  • Page 32 Rear Panel Connections Antenna Input To switch between Cable and Air input, go to the Channel Manager option to change the signal source CABLE or AIR. Audio/Video Inputs 1, 2 and 3 By using the INPUTS button, the CURSOR PAD ( ), and the SELECT button or CURSOR PAD of the remote control, you can select each video source.
  • Page 33 Connecting External Video Sources The FRONT panel jacks are provided as a convenience to allow you to easily connect HDMI or DVI signals from a DVD, Set Top Box , Video Game as shown in the following examples (When connecting DVI signal it will need to connect the audio output into the Front Audio Input jacks) : A) Connecting HDMI signal.
  • Page 34 Connecting External Video Sources The FRONT panel jacks are provided as a convenience to allow you to easily connect a camcorder , DVD, Video Game and a VCR as shown in the following examples: FRONT INPUT PANEL UPGRADE CARD (SERVICE USE ONLY) PUSH EJECT Note : For Monoaural devices, please connect Audio signal cable into...
  • Page 35 Rear Panel Connections Outside Antenna Cable TV coaxial cable 2-Way signal splitter VCR #1 VCR #2 OUTPUT S-VIDEO S-VIDEO INPUT Optional Optional HDMI HDMI HDMI OUTPUT HDMI OUTPUT DIGITAL OUTPUT OUTPUT AUDIO OUT HDTV Set-Top Box HDMI DIGITAL DIGITAL DVD Player OUTPUT CAPABILITY OUTPUT CAPABILITY NOTE: Cables are optional, except when specified.
  • Page 36 Tips on Rear Panel Connections • S-VIDEO, Y-P , or HDMI connections are provided for high performance laserdisc players, VCRs etc. that have this feature. Use these connections in place of the standard video connection if your device has this feature.
  • Page 37 Connecting External Video Sources CONNECTING A VIDEO AND STEREO AUDIO SOURCE TO INPUT1 ~ INPUT-FRONT Cable or 1. Connect the cable from the VIDEO OUT of the Air signal VCR or the laserdisc player to the INPUT (VIDEO) jack, as shown on the Rear Panel to the right.
  • Page 38 Connecting External Video Sources CONNECTING A COMPONENT SOURCE WITH HDMI OR NOTE: 1. Completely insert the connection cord DVI CAPABILITY TO HDMI 1, HDMI 2 OR HDMI FRONT plugs when connecting to rear panel jacks. The picture and sound that is played back will be abnormal if the connection is loose.
  • Page 39 Connecting External Audio/Video Devices CONNECTING A COMPONENT AND STEREO AUDIO SOURCE TO INPUT 2 or 3 :Y-P NOTE: 1. Completely insert the connection cord Connect the cable from the Y OUT of the plugs when connecting to rear panel jacks. Laserdisc/DVD player or HDTV set top box to The picture and sound that is played back the INPUT (Y) jack, as shown on the Rear...
  • Page 40 Connecting External Audio/Video Devices CONNECTING A VIDEO AND MONAURAL AUDIO CABLE SOURCE TO INPUT 1 ~ FRONT INPUT Air signal 1. Connect the cable from the VIDEO OUT of the VCR or the laserdisc player to the INPUT (VIDEO) jack, as shown on the Rear Panel on the right.
  • Page 41 DW3U IMPORTANT NOTES Items Notes Arcing sound from A buzzing sound might be heard when the plasma display monitor is turned on in a very quiet plasma display monitor’s room. This is due to the plasma panel drive circuit when it is functioning. This arcing sound panel.
  • Page 42 DW3U ADJUSTMENTS TABLE OF CONTENTS TO GO TO A SECTION, CLICK ON ITS HEADING BELOW 1 Adjustment procedure start up....................43 1.1 How to get into adjustment mode ................43 1.2 Changing data and selecting adjustment code............43 2 Memory initialize ........................43 2.1 Memory initialize operation ..................43 2.2 Factory and service adjustments ................44 3 Video Adjustment ........................44 3.1 Sub-Contrast &...

  • Page 43: Adjustment Procedure Start Up

    MENU keys of the remote control or front panel 2 MEMORY INITIALIZE may be used as the adjustment keys. (1) Use any Hitachi remote control when making an 2.1 MEMORY INITIALIZE OPERATION adjustment. The execution of this function returns the keys are used for selecting adjustment item.

  • Page 44: Adjustments

    DW3U 3.12 525i Cb,Cr Clamp offset adjustment ·Process of Memory Initialize operation. Preparation ① (1) Change signal format from 525(480)p to 525(480)i. A screen is be colored cyan when MEMORY INIT (See Fig.2) start. ② A screen is be colored green when MEMORY INIT Adjustment finish normally.

  • Page 45: Power Supply Vs, Va Voltage Adjustment

    DW3U 4 POWER SUPPLY Vs, Va voltage adjustment Item Power Unit Vs, Va Adjustment Adj. point Refer to following Adjustment Preparations Adjustment Procedures Remarks (1) Turn on the set and perform (1) Turn Vs ADJ to adjust Vs voltage Permissive level of voltage in pre-heat run more than 1 min to be within 0.1V of the value...

  • Page 46: White Balance Adjustment

    DW3U 5 WHITE BALANCE ADJUSTMENT Remarks (1) Color temperature should be adjusted under the condition in which the screen is the brightest, thus General Notes for White Balance (1) If the incident illumination is more than 20 lux, the initial value for adjustment is set to its maximum. (2) Adjustment is made by reducing brightness only.

  • Page 47: Video Color Temperature Adjustment (Standard)

    DW3U 6 DIGITAL MAIN CHECK 5.3 VIDEO COLOR TEMPERATURE ADJUSTMENT (STD) Preparation SYSTEM SOFTWARE VERSION CHECK (1) Same as “Video Color Temperature adjustment: (HIGH)”. (1) Press Menu button on the R/C or control Adjustment panel. (1) Perform the following adjustment with the remote (2) Enter the SETUP options, and then look control.

  • Page 48: White Balance Adjustment Osd Flowchart Diagram

    DW3U 5.4 WHITE BALANCE ADJUSTMENT OSD FLOW DIAGRAM 5.4.1 Adjustment OSD Flowchart (1) Adjust Mode OSD Press [MENU]+[MENU]+[8]+[SELECT] of Control panel. MENU MENU SELECT CH U/D, INPUT CYAN* ADJUST MODE MEMORY INIT GREEN : Finish Normally FACT RESET Press → key for 2 sec. RED : Finish Abnormally WHITE BAL HIGH...
  • Page 49 DW3U 5.4.1 Adjustment OSD Flowchart (continued) CH U/D, INPUT Press ↑↓ to Select DRV Press ← → to adjust ADJUST MODE MEMORY INIT G DRV HIGH Press → key FACT RESET R DRV HIGH B DRV HIGH WHITE BAL HIGH WHITE BAL MED WHITE BAL STD WHITE BAL B/W CH U/D, INPUT...

  • Page 50: Screen Check

    AC cord and then all settings and data are updated. (7) When PDP turns ON , it will tune CH03 this is the complete operation of FACTORY RESET process. SIGNAL ASPECT SPEC(A,B) Hitachi circle pattern 0 +/- 0.5 16:9 Standard1 BACK TO ADJUSTMENTS...

  • Page 51: Settings For Delivery

    DW3U 10 DATA TABLE OF SETTING FOR DELIVERY USER Control Initialization Settings for delivery (FACTORY RESET) Function Initial Data Condition Input Mode Channel 03/03-1 ch Favorite Channels Not Registered PIP On/Off － PIP Mode SPLIT － POP Position Middle Right －...
  • Page 52 DW3U 10 DATA TABLE OF SETTING FOR DELIVERY (continued) Function Initial Data Condition White Balance Red Drive 100% － － Green Drive 100% － － Blue Drive 100% － － Red Cutoff － － Green Cutoff － － Blue Cutoff －...
  • Page 53 DW3U 10 DATA TABLE OF SETTING FOR DELIVERY (continued) Function Initial Data Condition Locks Change Access Code Engage Lock Set Channel Lock All Unlock Set Front Panel Lock Unlock Movie Ratings All Unlock TV Ratings All Unlock Canadian Ratings (Eng.) All Unlock Canadian Ratings (Frn.) All Unlock...
  • Page 54 DW3U 10 DATA TABLE OF SETTING FOR DELIVERY (continued) Function Initial Data Condition Setup Menu Preference Set The Language English Set The Menu Shaded Background Set The Screen Saver Main Picture Moving Option 1 Image Power Screen Wipe Automatic Power Saving Set The Power Saving －...
  • Page 55 DW3U DW3 TROUBLESHOOTING FLOW CHARTS [Power Supply troubleshooting] No Power or (No picture, and No sound) CH 2 Check power supply for damage (Cracks)and SDR IC's for Pin Holes. Video Power Save Mode Is Power Indicator (Input:1 3, Front Input have no signal) lit Orange? Fan Alarm Does Power Indicator...

  • Page 56: Troubleshooting Flowcharts

    DW3U TROUBLESHOOTING FLOW CHARTS (For in depth Troubleshooting Flowchart see page 115) [Terminal PWB circuit tro uble shooting] No picture, no color or dark Analog format signal Digital format signal NTSC, composite, s, component HDMI Cable/Air Are waveforms at Check Main-Digital board Q013-E(Y), Q012-E(PB) and Q011-E(PR) Component video input Cable/Air...
  • Page 57 DW3U TROUBLESHOOTING FLOW CHARTS (For in depth Troubleshooting Flowchart see page 120) [Terminal PWB circuit trouble shooting] No sound, abnormal sound Are waveforms at Check Speaker terminals of speaker Cable/Air, Input 1/2/3/Front HDMI Are waveforms at Check Main-Digital board pin 1(L) and pin 4(R) of Q002 Input 1/2/3/Front Cable/Air Are waveforms at...
  • Page 58 SYMPTOM POSSIBLE CAUSE Probable Board NO POWER, NO LED LIT Check that unit is plugged into live outlet and POWER SUPPLY that main power switch of unit is turned on. Check fuse on Filter pwb. Replace power supply. Blue led blinking always Turn units master power switch off and back on (ac reset).
  • Page 59 Back to PG.1 We have a procedure to isolate panel PWB's, which is a separate sequence of tests. If Power Supply is protecting itself, easy to tell when we measure Va and Vs and it will come up and then will go down. These voltages go together with the Vsego and Vsago from the Logic PWB assy.
  • Page 60 DW3U MAINTENANCE MODE ITEM'S DESCRIPTION TABLE. In the Adjustment mode menu there is the Maintenance Mode sub-Menu of the Digital Module. It is useful for system diagnostics. The next table gives a brief explanation of its items. Group Item Indicate format or choices Contents Front [LOCK] [UNLOCK]...
  • Page 61 DW3U CIRCUIT BLOCK DIAGRAM Address Driver Driver Controller Data Controller LOGIC Panel LVDS Receiver Signal Controller Module Vcego Vsago (LVDS) Inlet Power CPUgo Supply PDPgo Filter PWB Unit Fuse Main Power SW Main-Digital PWB Terminal PWB AC-CLK Digital/ Reg. DC-DC Power2 Demodulator Analog...
  • Page 62 DW3U POWER SYSTEM BLOCK DIAGRAM AC120V PDP Panel Module Filter PWB Power Supply Unit +16V Vpr2 +12V +10.5V +5.6V STBY+5V Main-Digital PWB +12V +3.3V +1.3V +1.8V +3.3V +3.3V +3.3V DC-DC DC-DC DC-DC Reg. MICRO Reg. Reg. Reg. Reg. Digital Audio Audio Audio +2.5V...

  • Page 63: Block Diagrams

    (Also for Photos in the T, V and X series models) SD CARD or MMC Upgrade Software POWER SUPPLY HDMI SWITCH CXB1441 I405 PI4C3390 I403 +16V HDMI SIDE HDMI-2 DDC ROM IH04, IH05 Pin 9 FACTOR USE ONLY "FLASH" IH03 HDMI-1 +12V Pins...
  • Page 64 DW3U CONNECTION DIAGRAM Power Supply Unit PDP Module WIRING CONNECTION DIAGRAM CN64 CN23 VH-10P VH-10P 1 Va N.C. 2 N.C. 3 Vcc 4 GND 5 GND 6 GND AC INLET FILTER PWB N.C. 7 N.C. 8 Vs PFAC PPU1 CN61 9 Vs VH-3P VH-6P...

  • Page 65: Final Wiring Diagram

    DW3U FINAL WIRING DIAGRAM TABLE OF CONTENTS...

  • Page 66: Quick Disassembly Guide

    DW3U QUICK DISASSEMBLE GUIDE (Back Cover 1) ① Remove Screw M3M 6*18 ( 2 pcs.) M6 Cable Clamp ( 2 Pcs.) ② Remove Screw M3M 6*18 ( 2 pcs.) TABLE OF CONTENTS...
  • Page 67 DW3U QUICK DISASSEMBLE GUIDE (Back Cover 2) ① Remove Screw M3D 4*10 ( 26 pcs.) Screw M3S 3*8 ( 11 pcs.) ② Remove Back Cover...
  • Page 68 DW3U QUICK DISASSEMBLE GUIDE (Power Unit, Fan Ass'y) ① Remove Screw M3M 3*8 ( 4 pcs.) Screw M3E 3*8 ( 2 pcs.) ② Remove Power Unit P#HA01912 ③ Remove Screw M3M 3*8 ( 2 pcs.) FAN ASS'Y DETAIL Fan Ass'y ④...
  • Page 69 DW3U QUICK DISASSEMBLE GUIDE (Chassis Ass'y 1) ① Remove Screw M3S 3*8 ( 4 pcs.) ② Remove Screw M3C 4*10 Chassis Ass'y P#UE27031 CHASSIS ASS'Y...
  • Page 70 DW3U QUICK DISASSEMBLE GUIDE (Chassis Ass'y 2) ① Remove Screw M3E 3*8 ( 2 pcs.) Support Metal SUPPORT METAL...
  • Page 71 DW3U QUICK DISASSEMBLE GUIDE (Chassis Ass'y 3) ① Remove Screw M3S 3*8 ( 3 pcs.) ② Remove Screws D-Sub ( 2 Pcs.) ③ Remove Screws T2B 3*10 ( 2 Pcs.) ④⑤Remove Tuner Nut & Washers ⑥ Remove Screw M3M 3*6 ( 2 pcs.) TERMINAL COVER...
  • Page 72 DW3-U QUICK DISASSEMBLE GUIDE (Chassis Ass'y 4) ① Remove Screw M3E 3*8 ( 2 pcs.) P/N UX28021 P50H401 and P50H4011 ② Remove Digital Main Ass'y P/N UX28022 P50T501 ③ Remove Terminal PWB Ass'y P# JP55121 IS NECESSARY TO RELEASE TERMINAL PWB FROM BOARD HOLDERS...
  • Page 73 DW3U QUICK DISASSEMBLE GUIDE (Stand Ass'y, Control Panel Ass'y) ① Remove Screw HEX M5*15( 2 Pcs.) Screw HEX M5*85(2 Pcs.) ② Remove Stand Ass'y P#UX27281(50") *Note: In order to remove stand ass'y is necessary to place Plasma TV carefully on horizontal direction over a soft surface to avoid scratches or other damages. STAND p/n UX27281...
  • Page 74 DW3U QUICK DISASSEMBLE GUIDE (Control Panel Ass'y 2) ① Remove Screw M3M 6*18 ( 4 Pcs.) ② Remove Screw M3D 4*10 ( 5 Pcs.) Rigid Metal Cover RIGID METAL COVER...
  • Page 75 DW3U QUICK DISASSEMBLE GUIDE (Control Panel Ass'y 3) ① Remove Screw M3D 4*10 ( 4 Pcs.) Screw T2B 4*16 ( 4 Pcs.) C Metal Shield C-SHIELD METAL...
  • Page 76 DW3U QUICK DISASSEMBLE GUIDE (Control Panel Ass'y 4) ① Remove Screw M3D 4*10 ( 2 Pcs.) Control Panel Ass'y CONTROL PANEL ASS'Y DETAIL ②③ Remove Screw M3D 4*10 ( 2 Pcs.) CONTROL DOOR p/n PH41803 ④ Remove SD PWB Ass'y P#JP55121 ⑤⑥...
  • Page 77 DW3U FINAL ASSEMBLY GUIDE FINAL ASS’Y PARTS Bezel Assy #110, #112, #120, and #122 come as an Assembly DESCRIPTION QD61774 P50H401 BEZEL ASSEMBLY QD61774 P50H401A BEZEL ASSEMBLY QD61775 P50T501 / P50T501A BEZEL ASSEMBLY QD61776 P50H4011 / P50H4011A BEZEL ASSEMBLY #114 MF02361 EMI GASKETS #124...

  • Page 78: Final Assembly Guide

    FINAL ASSEMBLY GUIDE DW3U...
  • Page 79 FINAL ASSEMBLY GUIDE DW3U...
  • Page 80 FINAL ASSEMBLY GUIDE DW3U...
  • Page 81 FINAL ASSEMBLY GUIDE DW3U...
  • Page 82 FINAL ASSEMBLY GUIDE DW3U...
  • Page 83 FINAL ASSEMBLY GUIDE DW3U...
  • Page 84 FINAL ASSEMBLY GUIDE DW3U...
  • Page 85 FINAL ASSEMBLY GUIDE DW3U...

  • Page 86: Waveforms

    DW3U WAVEFORMS Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken using an NTSC Color Bar signal and a X10 probe. The amplitude of the waveform is shown as ∆ . UT01 Pin 13 TunerM_CV (out) JY02 Pin 4 Monitor-Out I001 Pin 26 TunerM_CV (in) I001 Pin 28 MAIN_Y/V (out)

  • Page 87: Dc Voltages

    DW3U DC VOLTAGES (50" Models only) Symbol Pin No. Voltage Symbol Pin No. Voltage Symbol Pin No. Voltage CN64 65.7 V PFA1 7.8 V CN63 5.1 V 3.3 V 4.8 V 3.1 V (Vs) 86.8 V (Vs) 86.8 V Symbol Pin No.
  • Page 88 DW3U BASIC CIRCUIT DIAGRAM CONTROL 1 of 1 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. •...
  • Page 89 DW3U BASIC CIRCUIT DIAGRAM Filter 1 of 1 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. •...
  • Page 90 DW3U BASIC CIRCUIT DIAGRAM LED 1 of 1 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. •...
  • Page 91 DW3U BASIC CIRCUIT DIAGRAM SD 1 of 2 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. •...
  • Page 92 DW3U BASIC CIRCUIT DIAGRAM SD 2 of 2 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. •...
  • Page 93 DW3U BASIC CIRCUIT DIAGRAM Terminal 1 of 5 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. TERMINAL •...
  • Page 94 DW3U BASIC CIRCUIT DIAGRAM Terminal 2 of 5 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. TERMINAL •...
  • Page 95 DW3U BASIC CIRCUIT DIAGRAM Terminal 3 of 5 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. TERMINAL •...
  • Page 96 DW3U BASIC CIRCUIT DIAGRAM Terminal 4 of 5 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. TERMINAL •...
  • Page 97 DW3U BASIC CIRCUIT DIAGRAM Terminal 5 of 5 PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics important to safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. TERMINAL •...

  • Page 98: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS DW3-U DW3-U TERMINAL PWB (Component side) BACK TO TABLE OF CONTENTS...
  • Page 99 PRINTED CIRCUIT BOARDS DW3-U DW3-U TERMINAL PWB (Solder side)
  • Page 100 PRINTED CIRCUIT BOARDS DW3-U DW3-U SD PWB (Component side)
  • Page 101 PRINTED CIRCUIT BOARDS DW3-U DW3-U SD PWB (Solder side)
  • Page 102 PRINTED CIRCUIT BOARDS DW3-U DW3-U LED PWB (Component side) (Solder side)
  • Page 103 PRINTED CIRCUIT BOARDS DW3-U DW3-U FILTER PWB (Component side) (Component side)
  • Page 104 PRINTED CIRCUIT BOARDS DW3-U DW3-U FILTER PWB (Solder side) (Solder side)
  • Page 105 PRINTED CIRCUIT BOARDS DW3-U DW3-U CONTROL PWB (Component side)
  • Page 106 PRINTED CIRCUIT BOARDS DW3-U DW3-U CONTROL PWB (Solder side)

  • Page 107: Parts List

    DW3U REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. ABBREVIATIONS Capacitors: Resistors:...
  • Page 108 DW3U PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 109 DW3U PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 110 DW3U PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 111 DW3U PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART # DESCRIPTION...
  • Page 112 DW3-U 50" MODEL BOARD LAYOUT DIAGRAM POWER UNIT PWB HA01912 DIGI-MAIN PWB FILTER PWB (NEPTUNE) JP55131 MAIN DIGITAL PWB MODEL PART NUMBER P50H401 UX28021 P50H4011 UX28021 P50T501 UX28022 CH 1 TERMINAL PWB (JP55121) LED PWB (X480415) SD PWB (X480414) (X480424) CONTROL PWB...
  • Page 113 DW3U 50" Plasma - Panel Boards Y-SUS PWB JP54581 X-SUS PWB JP54571 SDR-U PWB JP54592 XBUS-U PWB JP54611 SDR-D PWB JP54602 XBUS-D PWB JP54621 HA01912 A-BUS-L PWB JP54631 Logic PWB JP54092 A-BUS-C PWB JP54651 A-BUS-R PWB JP54641 PANEL DD00891...
  • Page 114 50" Plasma - Cable Assemblies FLAT CABLE FLAT CABLE p/n EK02192 p/n EK02191 FLAT CABLE FLAT CABLE p/n EK02193 POWER CABLE p/n EK02194 POWER CABLE p/n EF26353 p/n EF26343...

  • Page 115: Quick Reference Parts List

    DW3U QUICK REFERENCE PARTS LIST IC'S & UNITS No. Symbol Description Function PWB ASSY Remarks F9A1 FN00478 FUSE 51MS 100 L-U 125V 10A FUSE FILTER L9A1A BZ06241 LINE FILTER TF3022H-A172Y10R0- AC NOISE FILTER FILTER DN01 CC01871R LIGHT EMITTING DIODE RED/ORANGE LED DN02 CC01863R SML012BC4T...
  • Page 116 DW1 / DW2 / DW3 Service Modes available to the technician (via remote only) DW3 - H models DW3 - T models MENU + MENU + MENU + 8 + SELECT = Service Adj Mode (I2C Adjust) MENU + MENU + MENU + 9 + SELECT = Panel Test Mode (see below) CH 3...
  • Page 117 IN DEPTH TROUBLESHOOTING OF DIGI-MAIN RELATED TO VIDEO PROBLEMS Trouble-Shooting Guide for video failure. NOTES: Remember! Your first checking instruments are your senses; see, smell, touch, hear before following the next troubleshooting guides. Find additional troubleshooting information from the website: www.hitachiserviceusa.com. NOTE: Waveforms were taken with a 480p YPbPr Color Bar signal No picture, no color or dark Analog format signal from Tuner,...
  • Page 118 …from the previous page Repair/Replace the Is video signal failing Is analog signal from tuner or the Terminal from tuner UT01 pin tuner failing? board. no. 13? Repair/Replace the Is Monitor Out failing? Terminal board..from previous page Follow next procedure: (1) Select ‘Maintenance’...
  • Page 119 …continued from the previous page At the CableCard Does the CableCard Repair/Replace Diagnostics submenu, user menu appear in Digital Main is CableCard Id number the OSD? all 0’s? Check POD Cable POD PWB connector Is connector Repair/Replace POD connector Damaged? Check POD Check the DC voltage in the POD board at the...
  • Page 120 …from the previous page Unplug EMP0 connector from the POD-PW01 terminal and check the voltages in the PA01 connector at the main digital board pin no. 1 (+3.3Vdc) and pin no 80 (+5.6Vdc). Repair/Replace Are any of the POD PWB. voltages OK? Repair/Replace Digital Main...
  • Page 121 ...from four pages back Digital Main Board Remove the Main digital board and PMS1 check the resistance to ground at (160p connector) the next points: -Before RL69 -Before RL67 -Before RL66. Ω QL64 RL69 Does resistance QL62 RL67 check result in less QL61 RL66 than 1Mohm?
  • Page 122 IN DEPTH TROUBLESHOOTING OF DIGI-MAIN RELATED TO AUDIO PROBLEMS Trouble-shooting guide for audio failure. No sound, abnormal sound Follow “A” instruction in video Are waveforms at troubleshooting of Check Speaker terminals of speaker terminal board. Cable/Air Cable/Air, Input 1/2/3/Front HDMI1/2 HDMI-FRONT Are SD Are waveforms at...
  • Page 123 ...from previous page Remove the Main digital board and check the resistance to ground at the Vias points which are the path for the audio signals. Is the measured Repair/Replace the resistance below Digital Main board. 19 Kohm? Repair/Replace the Terminal board.
  • Page 124 TROUBLESHOOTING THE 50AE1 PANEL FOR THE FOLLOWING MODELS: P50H401, P50H4011, P50T501 P50H401A, P50H4011A, P50T501A 3. NAME and FUNCTION of Each Parts 3.1 CONFIGURATION 3.1.1 BOARDS CONFIGURATION (BOTH 50AE1 AND 50AE1V) 3.1.2 CONNECTORS CONFIGURATION...
  • Page 125 TROUBLESHOOTING THE 50AE1 PANEL 3.2 Block Diagram 3.2.1 Signal Diagrams X-SUS B. Y-SUS B. X-SUS U  Y-SUS EVEN SW   EVEN SW X-SCAN Y-SCAN EVEN SW EVEN SW X-SUS Y-SUS ODD SW ODD SW X-SCAN Y-SCAN ODD SW D  ODD SW ADM6 ADM7 ADM8 ADM9 ADM10 ADM1 ADM2 ADM3 ADM4 ADM5...
  • Page 126 TROUBLESHOOTING THE 50AE1 PANEL 3.2.2 Power Supply Diagram   X-SUS B. Y-SUS B. X-SUS Y-SUS EVEN SW EVEN SW   X-SCAN Y-SCAN EVEN SW EVEN SW X-SUS Y-SUS ODD SW ODD SW X-SCAN Y-SCAN ODD SW ODD SW ADM6 ADM7 ADM8 ADM9 ADM10 ADM1 ADM2 ADM3 ADM4 ADM5 POS/NEG...
  • Page 127 TROUBLESHOOTING THE 50AE1 PANEL 3.3 Function 3.3.1 Logic board Function 1) Data Processor - γ adjustment(1 / 2.2 / 2.4 / 2.6 / 2.8) - NTSC/EBU format(Color matrix) Switch - RGB gain Control(White balance adjustment, Amplitude limitation) - Error Diffusion Technology(Grayscale adjustment) - Dither(Grayscale adjustment) - Burn-in Pattern generation - Streaking adjustment...
  • Page 128 TROUBLESHOOTING THE PANEL P50H401 4.5 Fault Symptom Suspected fault Analysis procedure Fault contents Fault status location and measure After momentarily lighting, the Replace defective PCB screen becomes black immediately or after a few See "No Picture" See Troubleshooting seconds. Troubleshooting Flowchart Pg.
  • Page 129 TROUBLESHOOTING THE 50AE1 PANEL 4.6 FAILURE ANALYSIS PROCEDURE 4.6.2 "The entire screen does not light (No Picture)” Problem analysis procedure The entire screen does not light. (Main power is off.) Remove CN6 (on LOGIC Board, PSU-LOGIC cable) Turn on AC power. PSU board is PSU board Vpr2 defective.
  • Page 130 TROUBLESHOOTING THE 50AE1 PANEL SDRU Remove SDR from the following *For procedure to remove SDM, two connectors of Y-SUS.* Refer to Chapter 5.3 CN34 CN35 On CN801 on SDRU, or CN811 on SDRD, SDU or D is short circuit in following defective connection? (2)-(6), (20)-(24),...
  • Page 131 TROUBLESHOOTING THE 50AE1 PANEL ADM (Connector with COF attached) COF (Chip on Film) On ABUSL board Connector to ABUS PWB CNL2 (14)-(19) pin or CNL2 (14)-(15) pin are shorted. Remove ADM from the following four connectors. CNL 3, CNL 4,CNL 5, CNL 6 ADM (Connector with COF attached) ABUSL board ADM is defective...
  • Page 132 TROUBLESHOOTING THE 50AE1 PANEL Connect CN23(X-SUS), CN32(Y-SUS), and Vsago turns on On PSU board Logic board or X-SUS board or Vcc (5V), Vs(85V), Y-SUS board is defective. Va(65V) exists ? In case that Vs Power system or Va Power system of X-SUS or Y-SUS is defective, Vcc starts but goes down in a few seconds.
  • Page 133 TROUBLESHOOTING THE 50AE1 PANEL ADM (Connector with COF attached) On PSU board Turn Off AC power and disconnect ADM Vc(85V) exist ? from CNC3, CNC4 and Turn on AC power. On PSU board ABUSC board is defective Va (65V) exists ? Turn off AC power.
  • Page 134 TROUBLESHOOTING THE 50AE1 PANEL 4.6.2 "Vertical line/Vertical bar" Problem analysis procedure Vertical line/Vertical bar LOGIC board – ABUS Signal cable is defective board signal cable has abnormal appearance? ADM (Connector with COF attached) ADM flexible cable has ADM is defective (Panel is defective.) abnormal Turn Set On One vertical...
  • Page 135 TROUBLESHOOTING THE 50AE1 PANEL Is vertical bar monochromatic?   Does vertical bar appears in right half of Panel? Turn off the AC power. Replace ABUSL board. Turn Set On. Normal? ABUSL board is defective. Turn off AC power. Replace LOGIC board. Turn Set On.
  • Page 136 TROUBLESHOOTING THE 50AE1 PANEL Does vertical bar appears in left half of Panel? Turn off the main power. Replace ABUSR board. Turn Set On. Normal? ABUSR board is defective. Turn off the main power. Replace LOGIC board. Turn Set On. LOGIC board is defective.
  • Page 137 TROUBLESHOOTING THE 50AE1 PANEL 4.6.3 "Horizontal bar" Problem analysis procedure Horizontal bar Turn off the main power. Replace X-SUS board. Turn Set On. Normal? X-SUS board is defective. Turn off the main power. Remove New X-SUS PWB Put Old X-SUS PWB back in. Replace Y-SUS board.
  • Page 139 TROUBLESHOOTING THE 42AE1 PANEL: 4.6 PROBLEM ANALYSIS PROCEDURE 4.6.1 "The entire screen does not light (No Picture)” analysis procedure The entire screen does not light. "No Picture" Main Power Off PSU = Power Supply Unit Disconnect CN68 on PSU, PSU to LOGIC cable Turn on AC power.
  • Page 140 TROUBLESHOOTING THE 42AE1 PANEL: Disconnect SDR from CN34 and CN35 on YSUS Check resistor between point A and B shown in SDRU or D is defective picture below in every IC of SDR Shorted? YSUS   CN32   N.C. N.C. capacitor resistor N.C.
  • Page 141 TROUBLESHOOTING THE 42AE1 PANEL: PSU = Power Supply Unit Connect CN64 on PSU Connect CN32 on YSUS Supply PDP Power Vsago provided LOGIC board or XSUS board or On PSU, Vcc (5V), Vs (85V) YSUS board is defective and Va (65V) exist? Vcc 5V (CN63 pin 1) If Vs or Va power system of XSUS or YSUS board is Va 65V (CN64 pin 1)
  • Page 142 TROUBLESHOOTING THE 42AE1 PANEL: 4.6.2 "Vertical line/Vertical bar" Problem analysis procedure   Vertical line/Vertical bar LOGIC board – ABUS Signal cable is defective board signal cable has abnormal appearance? Look for tears, rips, burns, etc... ADM with COF ADM flexible ADM is defective cable has abnormal (Panel is defective.)
  • Page 143 TROUBLESHOOTING THE 42AE1 PANEL: Is vertical bar Black and white? Does vertical bar appear in left half of Panel? Turn off AC Power Replace ABUS-L PWB Turn on Set Normal? ABUSL board is defective. Turn off AC Power Replace LOGIC PWB Turn on Set LOGIC board is defective Normal?
  • Page 144 TROUBLESHOOTING THE 42AE1 PANEL: TROUBLESHOOTING THE 42AE1 PANEL: 4.6.3 "Horizontal bar" Problem analysis procedure Horizontal bar Turn off the main power. Replace X-SUS board. Turn on set (Vsago active) Normal? X-SUS board is defective. Turn off the main power. Take off X-SUS board. Put back original X-SUS board And Replace Y-SUS board Turn on set (Vsago active)

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