Hitachi P42H4011 Service Manual
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Hitachi P42H4011 Service Manual

Dw3-u chassis
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SERVICE MANUAL
SERVICE MANUAL REVISION HISTORY INFORMATION
DATE
Mar. 08, 2007
Oct. 29, 2007
Oct. 29, 2007
Oct. 29, 2007
Oct. 30, 2007
Oct. 30, 2007
Oct. 30, 2007
Oct. 30, 2007
Oct. 31, 2007
Nov, 06, 2007
Nov, 06, 2007
Nov, 15, 2007
Dec, 11, 2007
Jan, 02, 2007
Jan, 02, 2007
Jan, 08, 2007
Feb, 07, 2008
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
Version 0225-11
02/07/08
MARCH 2007
REVISION #
SM00001
FIRST ISSUE OF MANUAL
CH1
Digital Main PWB reference (Page 113)
CH2
Updated Troubleshooting Flowchart (Page 54)
CH2
Updated LED Diagnostics (Page 57)
CH3
Updated Terminal PWB p/n (Page 111) (Page 70)
CH3
Updated Terminal PWB p/n (Page 107) (Page 113)
CH3
Updated Control PWB p/n (Page 113)
CH3
Updated SD PWB p/n (Page 113)
CH4
Added Remote Control Info. How to enter Service Menu (Page 115)
CH5
Added In-Depth Video Troubleshooting Flowchart (Page 116)
CH5
Added In-Depth Audio Troubleshooting Flowchart (Page 121)
CH7
Added Power Supply Picture and Vs/Va adjustment Info. (Page 42)
CH8
Added Panel PWB Part Numbers (Page 112)
CH9
Corrected Panel Troubleshooting Block Diagram (Page 125)
CH9
Added In-Depth 42AE1 Panel Troubleshooting Flowchart (Page 123)
CH10
Corrected Front Bezel (F Cosmetics) Part Numbers (Page 77)
CH11
Added Digital Module Block Diagram (Page 60-A)
PLASMA DISPLAY PANEL
PA
No. 0225
P42H401 / DW3-U
P42T501 / DW3-U
P42H4011 / DW3-U
R/C: CLU-4371A
R/C: CLU-4371UG2
R/C: CLU-4372UG2
REASON
HHEA-MANUFACTURING DIVISION
p/n HL02401
P42T501
p/n HL02075
P42H401
p/n HL02075
P42H4011

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Summary of Contents for Hitachi P42H4011

  • Page 1 No. 0225 P42H401 / DW3-U P42T501 / DW3-U P42H4011 / DW3-U SERVICE MANUAL R/C: CLU-4371A p/n HL02401 P42T501 R/C: CLU-4371UG2 p/n HL02075 P42H401 R/C: CLU-4372UG2 p/n HL02075 P42H4011 SERVICE MANUAL REVISION HISTORY INFORMATION DATE REVISION # REASON Mar. 08, 2007...

  • Page 2: Table Of Contents

    No. 0225 P42H401 / DW3-U P42H4011 / DW3-U P42T501 / DW3-U SERVICE MANUAL R/C: CLU-4371UG2 p/n HL02075 P42H401 R/C: CLU-4372UG2 p/n HL02076 P42H4011 R/C: CLU-4371A p/n HL02401 P42T501 TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW CONTENTS IMPORTANT SAFETY PRECAUTIONS ..............2 PRODUCT SAFETY NOTICE ..................
  • Page 3 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 4: 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 5: 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 6 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 7 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 8 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 9 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 10: 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 11: 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 12: 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 13 DW3U SPECIFICATIONS FEATURES 2007 42" Plasma models Model P42H401/P42T501/P42H4011 1067mm x 779.15mm x 388.38mm Dimension Size 36.5 Kg Weight Input AC Voltage AC108V~132V (with 3 Plug AC Power Cord i nlet A/C Input type ,1.8m length) Voltage Input AC Frequency...

  • Page 14: Specifications

    DW3U SPECIFICATIONS FEATURES (continued) Model P42H401/P42T501/P42H4011 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...
  • Page 15 Cable Decoder Gemstar P42H401 H401 DW3C 16x9 UltraVision Al Black/Frame,US Silver/Bezel,Black/SP P42T501 T501 DW3C 16x9 Cineform Al Black/Frame,Al Black/Bezel,Al Black/SP P42H4011 H4011 DW3C 16x9 UltraVision Al Black/Frame,US Black/Bezel,Black/SP Memory Model Name Class NTSC Seine Fill Shield Comb Resolution Color Temp...
  • Page 16 DW3U General Specifications Environment Specifications Model Specifications P42H401/P42T501/P42H4011 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 1067mm x 779.15mm x 388.38mm (Main Body) (Speaker & stand inclusive)
  • Page 17 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 18 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 19 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 20 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 21 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 SPLIT Freeze 16:9 Standard Real T Series...
  • Page 22 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 23 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 24 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 25 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 26 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 27 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 28 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 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 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 31 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 32 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 33 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 34 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 35 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 36 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 37 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 38 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 39 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 40 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 41 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 42 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 43 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 44: Adjustment Procedure Start Up

    DW3U 1 ADJUSTMENT PROCEDURE START-UP The P42H401, P42T501 and the P42H4011 PDP TV sets pass through adjustment procedures during the assembly process. These adjustments must be done to assure the best performance of the PDP set for the consumer. Also, after servicing, these same adjustments must be done.

  • Page 45: Adjustments

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

  • Page 46: White Balance Adjustment

    DW3U 4 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 5 DIGITAL MAIN CHECK 4.3 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 4.4 WHITE BALANCE ADJUSTMENT OSD FLOW DIAGRAM 4.4.1 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 4.4.1 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. (6) 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 16:9 Standard1 0 +/- 0.5 BACK TO ADJUSTMENTS...

  • Page 51: Settings For Delivery

    DW3U 9 . 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 9. 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 Aspect Auto Aspect Mode 4:3 Expanded...
  • Page 53 DW3U 9. 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 Region 5 Timers...
  • Page 54 DW3U 9. 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: Troubleshooting Flowcharts

    DW3U TROUBLESHOOTING FLOW CHARTS POWER SUPPLY TROUBLESHOOTING No Power Be sure to check the Power Supply around all "Mounting Screw" and (No picture and No Sound) "Supporting" locations for any cracks or board damage before proceeding. Check power supply for damage (Cracks)and SDR IC's for Pin Holes. Video Power Save Mode Is Power Indicator orange lighted?
  • Page 56 DW3U TROUBLESHOOTING FLOW CHARTS (For in depth Troubleshooting Flowchart see page 116) [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 121) [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 CPUg Supply PDPgo Filter PWB Unit Main Fuse Power SW AC-CLK Main-Digital PWB Terminal PWB Digital/ Reg. DC-DC Power2 Demodulator (Nereid)
  • Page 62 DW3U POWER SYSTEM BLOCK DIAGRAM AC120V PDP Module Filter PWB Power Supply Unit +16V +12V +10.5V +5.6V STBY+5V Main-Digital PWB +12V +3.3V +1.3V +1.8V +3.3V +3.3V +3.3V Reg. Reg. Reg. DC-DC DC-DC DC-DC Reg. Reg. MICRO +2.5V +1.3V 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 WIRING CONNECTION DIAGRAM TABLE OF CONTENTS...

  • Page 65: Final Wiring Diagram

    DW3U FINAL WIRING DIAGRAM TABLE OF CONTENTS...
  • Page 66 DW3U FINAL WIRING DIAGRAM...
  • Page 67 DW3U QUICK DISASSEMBLE GUIDE (Back Cover 1) ① Remove Screw M3M 6*18 ( 4 Pcs.) Cable Clamp M6 P#ML02112( 2 Pcs.) ② Remove Screw M3M 6*12 ( 2 Pcs.) Remove Screw T2D 4*16 ( 2 Pcs.) ③ DW3 Stand Plate STAND PLATE TABLE OF CONTENTS...
  • Page 68 DW3U QUICK DISASSEMBLE GUIDE (Back Cover 2) ① Remove Screw M3S 3*8 ( 13 Pcs.) ② Remove Screw T2D 4*16 ( 20 Pcs.) ③ Remove Back Cover P#QA03744...
  • Page 69 DW3U QUICK DISASSEMBLE GUIDE (Power Unit, Fan Ass'y) ① Remove Screw M3E 3*8 ( 2 Pcs.) Screw M3S 3*8 ( 4 Pcs.) ② Remove Power Unit P#HA02271 FAN ASS'Y DETAIL ③ Remove Screw M3M 3*8 ( 2 Pcs.) Fan Ass'y FAN METAL COVER ④...
  • Page 70 DW3U QUICK DISASSEMBLE GUIDE (Chassis Ass'y 1) ① Remove Screw M3C 4*10 ( 4 Pcs.) ② Remove Screw M3S 3*8 Chassis Ass'y CHASSIS ASS'Y *NOTE: TAKE CARE WITH RIGHT SPEAKER CONN. TO AVOID DAMAGE IT WITH CHASSIS ASS'Y CORNER AT TIME TO MAKE THE RE-ASSEMBLE.
  • Page 71 DW3U QUICK DISASSEMBLE GUIDE (Chassis Ass'y 2) ① Remove Screw M3E 3*8 P#MJ03467( 2 pcs.) Support Metal SUPPORT METAL...
  • Page 72 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 73 DW3U QUICK DISASSEMBLE GUIDE (Chassis Ass'y 4) ① Remove Screw M3E 3*8 ( 2 pcs.) ② Remove Digital Main Ass'y P# UX28023 (H401/H4011 MODELS) Digital Main Ass'y P# UX28024 (T501 MODEL) ③ Remove Terminal PWB Ass'y P# JP55123 IS NECESSARY TO RELEASE TERMINAL PWB FROM BOARD HOLDERS...

  • Page 74: Quick Disassembly Guide

    DW3U QUICK DISASSEMBLY GUIDE (CONTROL PANEL ASSEMBLY) Remove Screw M3C 4*10 ( 2 Pcs.) Screw T2D 4*16 Control Door p/n PH41803 Control Ass'y Remove Screw M3E 3*8 ( 3 Pcs.) CONTROL ASS'Y DETAIL Remove Control PWB ASS'Y P# JP55123 Remove Screw M3E 3*8 ( 2 Pcs.) Remove SD PWB ASS'Y P# JP55123 CONTROL ASSEMBLY...
  • Page 75 DW3U QUICK DISASSEMBLE GUIDE (Plasma Panel Printed Circuit Board Access 1) * If In a further case Is necessary to remove or exchange Plasma Panel Boards it's better to remove all next parts in order to avoid a damage on such boars or flexible connectors. ①...
  • Page 76 DW3U QUICK DISASSEMBLE GUIDE (Plasma Panel Printed Circuit Board Access 2) * If In a further case Is necessary to remove or exchange Plasma Panel Boards it's better to remove all next parts in order to avoid a damage on such boars or flexible connectors. ①...
  • Page 77 DW3U QUICK DISASSEMBLE GUIDE (Plasma Panel Printed Circuit Board Access 3) * If In a further case Is necessary to remove or exchange Plasma Panel Boards it's better to remove all next parts in order to avoid a damage on such boars or flexible connectors. ①...

  • Page 78: Final Assembly Guide

    FINAL ASSEMBLY GUIDE DW3U TABLE OF CONTENTS...
  • Page 79 FINAL ASSEMBLY GUIDE DW3U...
  • Page 80 SYM. DESCRIPTION QD61771 #200A P42H401 / P42H401A BEZEL ASSEMBLY #200B QD61772 P42T501 / P42T501A BEZEL ASSEMBLY #200C QD61773 P42H4011 / P42H4011A BEZEL ASSEMBLY #200A QD61771 P42H401/A BEZEL ASSEMBLY #200B #200B QD61772 P42T501/A BEZEL ASSEMBLY #200C QD61773 P42H4011/A BEZEL ASSEMBLY #282...
  • Page 81 DW3U FINAL ASSEMBLY GUIDE PH43281 SPEAKER GRILL L (All P42 Inch) SPEAKER GRILL R (All P42 Inch) PH43282...
  • 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 FINAL ASSEMBLY GUIDE DW3U...
  • Page 87 FINAL ASSEMBLY GUIDE DW3U...
  • Page 88 FINAL ASSEMBLY GUIDE DW3U...

  • Page 89: 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 90: Dc Voltages

    DW3U DC VOLTAGES (42" Models only) Symbol Pin No. Voltage Symbol Pin No. Voltage Symbol Pin No. Voltage (Va) 65.2 CN64 PFA1 6.2 V CN63 5.1 V 3.1 V Symbol Pin No. Voltage 5.1 V (Vs) 82.7 V CNPPS 5.8 V 3.3 V 5.8 V (-Vs) -82.7 V...
  • Page 91 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 92 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 93 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 94 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 95 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 96 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 97 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 98 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 99 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 100 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 101: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS DW3-U DW3-U TERMINAL PWB (Component side) BACK TO TABLE OF CONTENTS...
  • Page 102 PRINTED CIRCUIT BOARDS DW3-U DW3-U TERMINAL PWB (Solder side)
  • Page 103 PRINTED CIRCUIT BOARDS DW3-U DW3-U SD PWB (Component side)
  • Page 104 PRINTED CIRCUIT BOARDS DW3-U DW3-U SD PWB (Solder side)
  • Page 105 PRINTED CIRCUIT BOARDS DW3-U DW3-U LED PWB (Component side) (Solder side)
  • Page 106 PRINTED CIRCUIT BOARDS DW3-U DW3-U FILTER PWB (Component side) (Component side)
  • Page 107 PRINTED CIRCUIT BOARDS DW3-U DW3-U FILTER PWB (Solder side) (Solder side)
  • Page 108 PRINTED CIRCUIT BOARDS DW3-U DW3-U CONTROL PWB (Component side)
  • Page 109 PRINTED CIRCUIT BOARDS DW3-U DW3-U CONTROL PWB (Solder side)

  • Page 110: 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 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 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 113 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 114 DD00932K P42T501 DW3C UE27033 JP55121 JP55133 UX28024 HA02271 KS22125K DD00931K P42H4011 DW3C UE27033 JP55121 JP55133 UX28023 HA02271 KS22124K DD00932K * Be sure to check www.hitachiserviceusa.com for Digi-Main Software version if replaced. Make sure it is current and up to date.
  • Page 115 DW-3U CHASSIS 42 INCH PANEL PWB LAYOUT P42H401/11 PANEL p/n DD00932K P42T501 PANEL p/n DD00931 X-BUS U PWB FPF39R-XBU56191 SDR-U PWB X-SUS PWB FPF39R-SDR57141 FPF39R-XSS56171 Y-SUS PWB FPF39R-YSS56181 X-BUS-D PWB SDR-D PWB FPF39R-XBD56201 FPF39R-SDR57142 A-BUS-R PWB A-BUS-L PWB LOGIC PWB FPF39R-ABR54871 FPF39R-ABL54861 (P42H401/11) FPF40R-LGC57461...
  • Page 116 DW3-U 42" MODEL BOARD LAYOUT DIAGRAM POWER UNIT PWB HA02271 DIGI-MAIN PWB FILTER PWB (NEPTUNE) JP55133 MAIN DIGITAL PWB MODEL PART NUMBER P42H401 UX28023 P42H4011 UX28023 P42T501 UX28024 SD PWB LED PWB CONTROL PWB (X480420) TERMINAL PWB (X480415) (X480426) (JP55121)

  • Page 117: Quick Reference Parts List

    DW3U QUICK REFERENCE PARTS LIST IC'S & UNITS No. Symbol Description Function PWB ASSY Remarks F9A2 FN00475 FUSE 51MS 063 L-U 6.3A FUSE FILTER L9A1 BZ06251 LINE FILTER TF2722H-A152Y8R0-0 AC NOISE FILTER FILTER DN01 CC01871R LIGHT EMITTING DIODE RED/ORANGE LED DN02 CC01863R SML012BC4T...
  • Page 118 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 4...
  • Page 119 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 120 …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 121 …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 122 …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 123 ...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 124 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 125 ...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 126 TROUBLESHOOTING THE 42AE1 PANEL FOR THE FOLLOWING MODELS: P42H401, P42H4011, P42H401A 3. NAME and FUNCTION of Each Parts 3.1 CONFIGURATION 42 INCH PWB CONFIGURATION FPF42C128135UB-55 (42AE1)/ UB-75 (42A5) / UC-** (42A6) XBUSU Y-SUS X-SUS LOGIC ABUSR ABUSL XBUSD ADM1 ADM2 ADM3 ADM4 ADM8 ADM5 ADM6 ADM7...
  • Page 127 TROUBLESHOOTING THE 42AE1 PANEL: 3.2 Block Diagram 3.2.1 Signal Diagrams X-SUS B. Y-SUS B. U  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 D  ODD SW ADM1 ...
  • Page 128 TROUBLESHOOTING THE 42AE1 PANEL: 3.2.2 Power Supply Diagram X-SUS Y-SUS 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 ADM1 ADM2 ADM3 ADM4 ADM5 ADM6 ADM7 ADM8 POS/NEG...
  • Page 129 TROUBLESHOOTING THE 42AE1 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 2) Data Converter...
  • Page 130 TROUBLESHOOTING THE 42AE1 PANEL: P42H401 Be sure to check the Power Supply around all Mounting Screw" and "Supporting" locations for any cracks or board damage before proceeding.   4.5 Fault Symptom Suspected Analysis procedure Fault contents Fault status defective part and measure See Troubleshooting After momentarily going on, the screen...
  • Page 131 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 132 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 133 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 134 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 135 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 136 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)

This manual is also suitable for:

P42h501P42h401

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