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No. 0228 L42S601 / DW3G L42V651 / DW3G SERVICE MANUAL R/C: CLU-4373A p/n HL02403 L42S601 R/C: CLU-4374A p/n HL02404 L42V701 SERVICE MANUAL REVISION HISTORY INFORMATION DATE REVISION # REASON Sept. 12, 2007 SM00001 FIRST ISSUE OF MANUAL Nov. 01, 2007 Added Part Number for PWBs (Page 87) Jan.
DW3G 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 LCD Plug the AC line cord directly into a 120V AC outlet. (Do not use an module.
Product safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current HITACHI Service Manual. A subscription to, or additional copies of HITACHI Service Manuals may be obtained at a nominal charge from HITACHI Sales Corporation.
DW3G 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.
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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.
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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.
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DW3G 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)
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DW3G 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.
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.
DW3G ACKNOWLEDGMENTS AND TRADEMARKS *Manufactured under license from Dolby Laboratories. “Dolby” and the double-D symbol are trademarks of Dolby Laboratories. HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC. TABLE OF CONTENTS...
DW3G INTRODUCTION This HITACHI Service Manual is intended for the qualified service personnel and it contains the necessary information for troubleshooting the LCD television set in case of malfunction. This service manual includes the information for the next models and chassis.
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DW3G How To Set Up Your New Hitachi LCD Television To take measures to prevent the LCD Flat Panel Television from tipping over and prevent possible injury it is important to mount the unit in a stable and flat surface.
DW3G How to set up your new Hitachi LCD Television AC CORD AND POWER SWIVEL CABLE INSTALLATION INSTRUCTION The AC cord and power swivel cable provided with your new LCD Flat Panel Television need to be installed correctly to avoid their disconnection when rotating the TV on its Table top stand.
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5 SCREWS TV STAND BASE For Model L42S601 & L42V651 CAUTION- This LCD Flat Panel for use only with Hitachi WM07S Wall Mount. Use with other Wall Mount is capable of resulting in instability causing possible injury. NOTE: Use the specified WALL MOUNT unit for the LCD TV depending on the size of your TV.
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DW3G How to set up your new HITACHI LCD 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 may appear on the screen.
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DW3G 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.
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Quick Reference Remote Control Buttons and Functions In addition to controlling all of the functions on your HITACHI LCD 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.
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This card slot is for future software upgrades. This button allows you to enter the MENU, making Hitachi will notify you if a software upgrade is it possible to set TV features to your preference required for your TV. In order to receive written without using the remote.
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NOTES: Your HITACHI LCD 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.
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DW3G 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.
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DW3G Connecting External Video Sources The SIDE 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 side Audio Input jacks) : A) Connecting HDMI signal.
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DW3G Connecting External Video Sources The SIDE 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: SIDE INPUT PANEL Video Game COMPOSITE VIDEO OUTPUT CAPABILITY DVD , Video Game...
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DW3G Rear Panel Connections VCR #2 HDMI DIGITAL DIGITAL OUTPUT CAPABILITY OUTPUT CAPABILITY HDMI OUTPUT DIGITAL OUTPUT S-VIDEO INPUT AUDIO OUT HDMI Optional HDMI HDMI DVD Player OUTPUT Outside Antenna Cable TV coaxial cable Optional OUTPUT OUTPUT S-VIDEO 2-Way signal splitter HDTV Set-Top Box VCR #1 NOTE: Cables are optional, except when specified.
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DW3G 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.
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DW3G Connecting External Video Sources CONNECTING A VIDEO AND STEREO AUDIO SOURCE TO INPUT1 ~ INPUT-FRONT 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 to the right.
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DW3G 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.
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DW3G 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...
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DW3G Connecting External Audio/Video Devices CONNECTING A VIDEO AND MONAURAL AUDIO SOURCE TO INPUT 1 ~ FRONT INPUT 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.
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DW3G TABLE OF CONTENTS OF ADJUSTMENTS TO GO TO A SECTION, CLICK ON ITS HEADING BELOW. 1. Adjustment procedure start-up ........1.1.
DW3G 1 ADJUSTMENT PROCEDURE START-UP The L42S601 and the L42V651 LCD TV sets pass through adjustment procedures during the assembly process. These adjustments must be done to enssure the best performance of the LCD set for the consumer. Also, after servicing, these same adjustments must be done.
DW3G 2.1 Process of Memory Initialize operation. ① The screen is colored blue when MEMORY INIT start. ② The screen is colored green when MEMORY INIT finish normally. ③ The screen is colored red when MEMORY INIT finish abnormally. (6) Do not unplug from AC outlet until this operation is complete and do not perform any key operation either, after this operation each factory setting and all adjust mode data should reset to delivery settings...
DW3G WHITE BALANCE ADJUSTMENTS 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.
BM-5, BM-7, CA-110) at the center of the panel. (7) The Main software version will display the (3) Ensure that Adjustment R/G/B DRIVE (B/W) are all latest version issued by Hitachi. set as 110. (4) After receiving the White Raster signal, reduce the...
(7) When the LCD turns ON, it will tune CH03 this is the complete operation of FACTORY RESET process. Remarks SCREEN SIGNAL ASPECT SPEC(A,B) Hitachi circle pattern 16:9 Standard1 0 +/- 0.5 BACK TO ADJUSTMENTS...
DW3G TROUBLE-SHOOTING FLOW CHARTS LCD Panel Module troubleshooting. No picture, no color or dark Is voltage Are voltages Is Backlight at Pin5 of CN203 at Pin1〜2 of CN203 Unit lighted? High level? +12V? Check Main-Digital board Check Panel Module except Inverter PWB Are voltages Is there voltage Check Power Supply Unit...
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DW3G TROUBLE-SHOOTING FLOW CHARTS Terminal PWB circuit troubleshooting 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 Composite video input Are waveforms at Are waveform at...
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DW3G TROUBLE-SHOOTING FLOW CHARTS …Terminal circuit Troubleshooting diagram continued. Follow next procedure: (1) Select ‘Maintenance’ of Adjustment mode menu. (2) Press SELECT. (while ‘<Display>’ at “Front End” lights yellow.) (3) Check the indication of ‘Frame/MPEG Lock’ line. Is the indication Check Main-Digital board [LOCK] ? Check UT01 (Tuner)
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DW3G TROUBLESHOOTING FLOW CHARTS Power Supply troubleshooting No Power (No picture, and No sound) Video Power Save Mode Is Power Indicator (Input:1~3, Front) orange lighted? Is Power Indicator Does Power Supply Unit Check Main-Digital board. not lighted? output +5.6V? Check Power Supply Unit. (* and Fuse Power Indicator or AC-Inlet / Connector) blue is lighted normally.
DW3G WAVEFORMS Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken using a Color Bar signal with H sync 31 khz and V. sync 60 hz and a X10 probe. ∆ Signal amplitude and DC level shown at and @ respectively.
DW3G DC VOLTAGES Symbol Pin No. Voltage Symbol Pin No. Voltage Symbol Pin No. Voltage CN101 CN201 23.8 CN203 12.1 23.8 12.1 23.8 23.8 23.8 0~3.3 0~3.3 Symbol Pin No. Voltage CN204 Symbol Pin No. Voltage CN202 23.8 23.8 23.8 23.8 10.5 23.8...
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics CONTROL 1 of 1 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. Since this is a basic circuit diagram, the value of the components is subject to change for improvement.
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics LED 1 of 1 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. Since this is a basic circuit diagram, the value of the components is subject to change for improvement.
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics SD 1 of 2 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. Since this is a basic circuit diagram, the value of the components is subject to change for improvement.
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics SD 2 of 2 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. Since this is a basic circuit diagram, the value of the components is subject to change for improvement.
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics Swivel 1 of 1 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. to Terminal page 5 Since this is a basic circuit diagram, the value of the components is subject to change for improvement.
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics Terminal 1 of 5 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. from Terminal 4/5 to Terminal 2/5 to Terminal 4/5...
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics Terminal 2 of 5 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. from Terminal 4 to Terminal 4, 5 from Terminal 1...
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics Terminal 3 of 5 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. to Terminal 4 from Terminal 4 to Terminal 2...
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DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics Terminal 4 of 5 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. to Terminal 5 to Terminal 1,2,5 to Terminal 3, 5...
DW3G BASIC CIRCUIT DIAGRAM PRODUCT SAFETY NOTE: Components marked with a ! and shaded have special characteristics Terminal 5 of 5 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. to Terminal 4 to Terminal 1 to Terminal 4...
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DW3G PRINTED CIRCUIT BOARDS DW3-G "CONTROL PWB" PWB p/n X480430 CONTROL PWB (COMPONENT SIDE) CONTROL PWB (SOLDER SIDE)
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DW3G PRINTED CIRCUIT BOARDS DW3-G "LED PWB" PWB p/n X480415 LED PWB (COMPONENT SIDE) LED PWB (SOLDER SIDE)
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DW3G PARTS LIST For L42S601 and L42V651. NOTE: All the electronic assembled boards are included in the Terminal PWB assembly. SYMBOL PART No. DESCRIPTION SYMBOL PART No. DESCRIPTION C059 AA01121R CERAMIC CAPACITOR(0.47UF 10V) TERMINAL PWB C060 AA01144R CERAMIC CAP. 1608-B 1.0UF 16V...
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DW3G SYMBOL PART No. DESCRIPTION SYMBOL PART No. DESCRIPTION CQ06 0893208R CAP 1608CHIP 1000PFKB 50V TAPE DIODES CQ07 0893208R CAP 1608CHIP 1000PFKB 50V TAPE CQ08 0893348R CCC103K25-B-10CT 1005-B-0.01UF D001 CC01921R SDS142WKF_PF CQ25 AA00969R CAP.CHIP2125-B-22UF6.3V DH01 CC01891R SDS511_PF CQ26 AA01231R 0.1UF 16V 1005-B CERAMIC CAPAC DH02 CC01891R SDS511_PF...
MAGNET K5CRC16X28X9-M2G2 Part numbers for main boards and assemblies MAIN MAIN TERMINAL POWER MODEL CHASSIS DIGITAL INVERTERS CHASSIS UNIT PANEL Not Available L42S601 DW3G JP55126 UX30314 HA02471 DD02481K Part of Panel Not Available L42V651 DW3G JP55126 UX30315 HA02471 DD02481K Part of Panel NOTES: Chassis not available as a part.
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DW3G QUICK REFERENCE PARTS LIST IC’S AND UNITS SYMBOL PART No. DESCRIPTION ASS’Y Main JP55157 L42S601 MA-DIG. SERVICE PARTS digital Main JP55157 L42V651 MA-DIG. SERVICE PARTS digital DN01 CC01871R LIGHT EMITTING DIODE DN02 CC01863R LIGHT EMITTING DIODE (SML012BC4T) DN03 CC01872R...