Hitachi P50H401, P55H401 Service Manual
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Hitachi P50H401, P55H401, 42 ADJUSTMENTS TABLE OF CONTENTS 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............................................................
Hitachi P50H401, P55H401, 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 . A No picture, no color or dark Are waveforms at RL69(Y), RL67(PB) and RL66(PR) in Main-Digital board OK? Yes No Analog format signal from Tuner, com
Yes Waveform of RW27 pin 1 or 2 in yellow - MPEG data signal. Pin 3 or 4 In Cyan, MPEG enable signal. MPEG Data MPEG Enable, for oscilloscope’s sync At the CableCard Diagnostics submenu, is CableCard Id number all 0 ’ s? Repair/Replace Digital Main Y
Hitachi P50H401, P55H401, 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 SAFET Y NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. • All DC voltage to be measured with a tester (100 kΩ/V). Voltage taken on a complex color bar including a standard color bar signal. • Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. 88 BASIC CIRCUIT DI
Hitachi P50H401, P55H401, 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 SAFET Y • All DC voltage to be measured with a tester (100 kΩ/V). Voltage taken on a complex color bar including a standard color bar signal. • Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. 90 BASIC CIRCUIT DIAGRAM NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. 1234 5 6 A B C D E SD DW3U SD 2 of 2
Hitachi P50H401, P55H401, 10 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. The Monitor sends back a string of data including its characteristics. TRADEMARK ACKNOWLEDGMENT DDC is a trademark of Video Electronics Standard Association. IBM PC/AT and VGA are registered tradema
Hitachi P50H401, P55H401, 43 1 ADJUSTMENT PROCEDURE START-UP The P50H401, P50T501 and the P50H4011 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. The adjustments are all made through the I 2 C bus by changing data in the Adjustment mode menu. 1.1 HOW TO GET TO ADJUSTMENT MODE Chassis adjustment mode can be access by pressing the R/C keys MENU + MENU + 8 + SELECT to en
Hitachi P50H401, P55H401, QUICK DISASSEMBLE GUIDE (Stand Ass'y, Control Panel Ass'y) 71 DW3U 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.
Hitachi P50H401, P55H401, Back of VCR OUTPUT VCR Video 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. 2. Connect the cable from the AUDIO OUT R of the VCR or the laserdisc player to the INPUT (AUDIO/R) jack. 3. Connect the cable from the AUDIO OUT L of the VCR or the laserdisc player to the INPUT (AUDIO/L) jack. 4. Press the INPUTS button, then select INPUT 1 2,3 or Front from the INPUTS menu to view the program from the VCR or lase
(b) Video ID/HDMI Info: Letter (c) Video ID/HDMI Info: 4x3 (d) No Video ID, No HDMI Info 4:3 Zoom2 Aspect Key Aspect Key Aspect Key Aspect Key 4:3 Zoom1 4:3 Standard 4:3 Expanded Video ID: Letter Power ON Initial 4:3 Zoom1 16:9 Zoom
Hitachi P50H401, P55H401, CONNECTING A COMPONENT AND STEREO AUDIO SOURCE TO INPUT 2 or 3 :Y-PBPR. 1. Connect the cable from the Y OUT of the Laserdisc/DVD player or HDTV set top box to the INPUT (Y) jack, as shown on the Rear panel below. 2. Connect the cable from the P B /C B OUT or B- Y OUT of the Laserdisc/DVD player or HDTV set top box to the INPUT (P B) jack. 3. Connect the cable from the P R /C R OUT or R- Y OUT of the Laserdisc/DVD player or HDTV set top box to the INPUT (P R ) jack. 4. Connect the cable from the AUDIO OUT R of the Laserdisc/DVD player or HDTV set top box to the INPUT (AUDIO/R) jack. 5. Connect the cable from the AUDIO OUT L of the Laserdisc/DVD player or HDTV se
Hitachi P50H401, P55H401, 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: NOTE:1. Completely insert connection cord plugs when connecting to front panel jacks. If you do not, the played back picture may be abnormal. Connecting External Video Sources FRONT INPUT PANEL specifications. Note : Special device cables will be according to the own device Video Game Video Camera COMPOSITE VIDEO OUTPUT CAPABILITY DVD , Video Game Console. OUTPUT L R Video PUSH EJECT UPGRADE CARD (SERVICE USE ONLY) - The exact arrangemen
11 A-BUS-R PWB JP54641 JP54651 10 A-BUS-C PWB 9 A-BUS-L PWB JP54631 JP54621 8 XBUS-D PWB JP54611 7 XBUS-U PWB JP54571 6 X-SUS PWB 5 Logic PWB JP54092 4 PSU HA01912 3 SDR-D PWB JP54602 2 SDR-U PWB JP54592 1 Y-SUS PWB JP54581 7 5 4 6 8 11109 1 3 2 50" Plasma - Panel Boards DW3U 111
Hitachi P50H401, P55H401, 59 Group No Item Indicate format or choices Contents 1 FEC [LOCK] [UNLOCK] Status of Forward Error Correction 2 Modulation Type [8VSB], [64QAM] [256QAM] Modulation type 3 IF Error +/-[xxxxx]Hz IF Frequency offset is updated every second 4 Signal Strength [0-100] Signal level is scaled from 0 to 100. It is updated every second. 5 Tuned CH DTV: [xx] ch CATV-STD: [xx] ch CATV-HRC: [xx] ch CATV-IRC: [xx] ch Tuned physical channel. 6 Symbol Rate [xxxxxxx] sym/sec Symbol rate is updated every second 7 SNR [xx.xx] dB
Hitachi P50H401, P55H401, QUICK DISASSEMBLE GUIDE (Chassis Ass'y 3) 69 DW3U 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
Hitachi P50H401, P55H401, 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 SAFET Y NOTE of this Service Manual. Don't degrade the safety of the receiver through improper servicing. • All DC voltage to be measured with a tester (100 kΩ/V). Voltage taken on a complex color bar including a standard color bar signal. • Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. 89 BASIC CIRCUIT DIAGRAM 1234 5 6 A B C D E SD DW3U SD 1 of 2
Hitachi P50H401, P55H401, B Remove the Main digital board and check the resistance to ground at the next points: -Before RL69 -Before RL67 -Before RL66. Does resistance check result in less than 1Mohm? No Ye s Repair/Replace the Digital Main board. Repair/Replace the Terminal board. Digital Main Board RL69 RL67 RL66 QL64 QL62 QL61 PMS1 (160p connector) DMM - + Ω ...from four pages back 119
Hitachi P50H401, P55H401, 2 NOTICE: Comply with all cautions and safety-related notes located on or inside the cover case and on the chassis or plasma module. WARNING: Since the chassis of this receiver is connected to one side of the AC power supply during operation, whenever the receiver is plugged in service should not be attempted by any- one unfamiliar with the precautions necessary when working on this type of receiver. 1. When service is required, an isolation transformer should be inserted between power line and the receiver before any service is performed on a “HOT” chassis receiver. 2. When replacing a chassis in the receiver, all the protective
53 10 DATA TABLE OF SETTING FOR DELIVERY (continued) BACK TO ADJUSTMENTS DW3U Function Initial Data Condition P50T501 P50H401 P50H4011 Locks Change Access Code - XX Engage Lock Set Channel Lock All Unlock X X Set Front Panel Lock Unlock X X Movie Ratings All Unlock X X TV Ratings All Unlock X X Canadian Ratings (Eng.) All Unlock X X Canadian Ratings (Frn.) All Unl
Hitachi P50H401, P55H401, (4) Monitor Out (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. When the selected picture is Component or HDMI signal and audio out is HiFi out, monitor out is no picture but audio is output. When the selected picture is Composite Video signal, S-Video of monitor out is no picture. When Macrovision signal is included in the ANT Digital channel, monitor out is no picture and no audio.
Hitachi P50H401, P55H401, 32 Rear Panel Connections 햲Antenna Input To switch between Cable and Air input, go to the Channel Manager option to change the signal source CABLE or AIR. 햳 Audio/Video Inputs 1, 2 and 3 By using the INPUTS button, the CURSOR PAD ( and ), and the SELECT button or CURSOR PAD of the remote control, you can select each video source. Use the audio and video inputs to connect external devices, such as VCRs, camcorders, laserdisc players, DVD players etc. (if you have mono sound, insert the audio cable into the left audio jack). 햴 MONITOR OUT & AUDIO O
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