Hitachi 42PMA400E Service Manual Download Page 25 | Manualshive

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HITACHI

SM0064

Power Supply Block Diagram

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Summary of Contents for 42PMA400E

Page 1: ...l Module shall not to be touched with bare hand to protect its surface from stains 5 It is recommended using clean soft gloves during the replacment work in order to protect not only the display area of the Panel Module but also the serviceman himself 6 The Chip Tube of Panel Module located upper left of the back and flexible cables connecting Panel glasses to drive circuit PWBs are very weak so s...

Page 2: ...sub terminal Video 1 RCAx1 S terminalx1 Composite Video or S video forS1 S2 NTSC3 58 NTSC4 43 PAL M PAL N PAL PAL60 SECAM Video Composite 1 0 Vp p S video Y 1 0 Vp p C 0 29Vp p Sync Composite sync Video 2 RCAx3 Component Video Y PB PR or Y CB CR 480I 480P 576I 576P 720P 1080I 1035I Video Y 1 0 Vp p Pb Cb Pr Pr 0 7 Vp p Sync Superimposed with Y signals Input Signal SCART VIDEO1 VIDEO2 PAL NTSC Vide...

Page 3: ...der from soldered joints when replacing components If leaded solder should be added to existing lead free joints mix in the leaded solder thoroughly after the lead free solder has been completely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The melting point of lead ...

Page 4: ...nlet AC Switch Input terminal D sub connector PinNo Signal 1 Red Video PR CR 2 Green Video Sync optional Y 3 Blue Video PB CB 4 No connection 5 No connection 6 Red Ground PR CR Ground 7 Green Ground Y Ground 8 Blue Ground PB CB Ground 9 No connection 10 Ground 11 No connection 12 SDA 13 H Sync or H V composite 14 V Sync V CLK 15 SCL Message table Onscreen display Indication Condition The monitor i...

Page 5: ...on LED is not light Is the input voltage applied to the AC DC Power unit CN61 AC inlet Power switch AC Fuse F901 T6 3AH 250V No Yes Speaker Picture is displayed But no sound Are Voltage applied to pins PVA of the Audio PWB No AC DC Power unit Yes 22 28V GND No Are there signals on Speaker Terminals Yes Audio PWB Are Signal applied to pin and PVA1 of the Audio PWB No Signal PWB Yes FILTER PWB ...

Page 6: ...he LED red or green orange Picture is not displayed LED is lighting Do the Fans rotate red green orange Are Voltage applied to pins PW01 of the Signal PWB No AC DC Power unit Yes Is pin of CN304 and PFAN1 7V more No DC Fan Yes AC DC Power unit or Signal PWB Is Voltage of the pin CN68 on the AC DC Power unit 5V Yes AC DC Power unit 6V GND Yes Is it the power saving mode Signal PWB No Yes Input sign...

Page 7: ... chassis 5 Bar width of 1 7 of horizontal size or in multiples of 1 7 is displayed Abnormal display Panel chassis ABUSL ABUSR LOGIC Above boards are connected 6 Vertical bar Bar width of 3 7 or 4 7 of the screen width is displayed Abnormal display Vertical line of different color ABUSL ABUSR LOGIC Above boards are connected 7 Horizontal line Single horizontal line No light Or single horizontal lin...

Page 8: ...form all white heat run After judgment replace panel chassis 5 3 Trouble Shooting of Panel Module by using a Personal Computer 5 3 1 Setting up computer Install the panelinf exe file provided by DMD to the hard disk of your PC 5 3 2 Connecting a computer 1 Connect the RS 232C terminal of the computer to the RS 232C terminal of the plasma monitor using RS232C cable as above 2 Turn on the main power...

Page 9: ...eck the error code ERRC xx hexadecimal number from the CURRENT and BEFORE error code read out menu and detect the faulty position from the following table ERRC 00 is not valid 2 Using the key or key move the mark to EXIT and press ENTER key then the screen returns to the WINDOWS or DOS screen PANEL DATA READ 01 COND Hex xx 02 ERRC CURRENT Hex xx 03 ERRC BEFORE1 Hex xx 04 ERRC BEFORE2 Hex xx 05 ERR...

Page 10: ...s power current is excessive during operation X SUS Panel LOGIC 3B Vs power current is excessive during startup X SUS Panel LOGIC 44 Y SUS Vey power voltage has dropped Y SUS LOGIC 45 Vey power voltage is excessive Y SUS 46 Vey power startup is faulty Y SUS LOGIC 4C Vpy voltage has dropped Y SUS LOGIC 4D Vpy voltage is excessive Y SUS LOGIC 50 Vpy1 voltage has dropped Y SUS LOGIC 51 Vpy1 voltage i...

Page 11: ... ABUS L ABUS R PSU LOGIC Excess current is detected In ACCC operation A5 ADM1 ADM1 has abnormal heat generation ADM1 PSU LOGIC A9 ADM2 ADM2 has abnormal heat generation ADM2 PSU LOGIC AD ADM3 ADM3 has abnormal heat generation ADM3 PSU LOGIC B1 ADM4 ADM4 has abnormal heat generation ADM4 PSU LOGIC B5 ADM5 ADM5 has abnormal heat generation ADM5 PSU LOGIC B9 ADM6 ADM6 has abnormal heat generation ADM...

Page 12: ...C Vpy1 2 power voltage has dropped 4D Vpy The ordinary time Vpy1 2 power voltage is excessive 50 Vpy1 power voltage has dropped 51 Vpy1 The ordinary time Vpy1 power voltage is excessive 54 Vpy2 power voltage has dropped 55 Vpy2 The ordinary time Vpy2 power voltage is excessive 59 The ordinary time Isy power current is excessive 5B Isy In start Isy power current is excessive in startup 5D Y SUS Isp...

Page 13: ...bar code label that is attached to the rear of the chassis aluminum P7A 2 36 131D2 01 51 51 H1 panel 71 75 H2 panel Version No 01 99 A Z excluding I and O Lot No 001 999 A Z excluding I and O 1 3 Production week code 01 53 Production year low digit 0 9 Product code P7A model 42 type Model Panel Module CMP4121HDU 512 512S 512SH 512SA CMP 4121HDE 302 303S CMP 4201U J 42PMA 400E A B CMP 4202U E CMP 4...

Page 14: ...ECTOR CONNECTOR CONNECTOR CONNECTOR CIRCUIT BOARD CIRCUIT BOARD CIRCUIT BOARD CIRCUIT BOARD RGB RGB RGB RGB AUDIO L R AUDIO L R AUDIO L R AUDIO L R STB 5V Pk01 Pk01 Pk01 Pk01 PSC1 PSC1 PSC1 PSC1 P P P PL01 L01 L01 L01 PSC2 PSC2 PSC2 PSC2 VIDEO 1 VIDEO 1 VIDEO 1 VIDEO 1 AUDIO AUDIO AUDIO AUDIO INPUT INPUT INPUT INPUT RGB 2 RGB 2 RGB 2 RGB 2 AUDIO AUDIO AUDIO AUDIO INPUT INPUT INPUT INPUT L L L L GN...

Page 15: ...emove AC Power Switch 3 Remove Signal PWB with PWB MTL Signal PWB Disconnect PP01 LVDS PW01 EH 13P P001 FHR 50 PA01 PH 13P PL01 PH 6P PK01 PH 5P PW02 PH 7P PFAN1 PH 3P and P002 PH 12P connectors Be careful not to be damaged the PP01 and P001 connector holders Remove 4screws i then remove Signal P W B with SIG PWB MTL 4 1 Video Unit JOINT PWB and Audio PWB with PWB MTL JOINT PWB Disconnect PAV PH 7...

Page 16: ...remove Fan only H1 panel 8 Remove Main Frame Lay down the Plasma Display so that the face is down on the soft thick over 50mm cushion Be careful not to be damaged the face of Display Panel Disconnect CN61 EV 6P connector H1 panel Remove 8 screws q and 5screws r then disconnect CN1 LVDS connector which is attached Panel Module s Logic Board Remove Main Frame H2 panel Remove 8 screws q then disconne...

Page 17: ...9screws x then remove Panel X SUS P W B pulling out from CN24 and CN25 connectors 13 Remove Panel Y SUS P W B Disconnect CN31 CN32 and CN33 connectors Be careful not to be damaged the CN31 connector folder CN34 and CN35 connector Remove 9 screws y then remove Panel Y SUS P W B pulling out from CN34 and CN35 connectors 14 Remove Panel ABUS R P W B Disconnect CN41 CN42 CN43 CN44 CN45 and CN46 Connec...

Page 18: ...e sub power button or power button on the Remote Controller then turn on the SUB POWER button for more than 5 seconds while you Keep pushing VOLUME button located on the bottom of the set 8 1 Vs and Va voltage adjustment on Power Unit How to prepare 1 Connect the DC Voltmeter to the Vs test point and the GND point or the Va test point and the GND point on the Power Unit 2 Connect VGA 75 no setup a...

Page 19: ... How to adjust VIDEO input 1 Input 525p 480p adjustment signal into VIDEO2 input terminal 2 Change CONTRAST of the MENU screen from DYNAMIC to LINEAR 3 Service adjustment mode screen again 4 Select No 259 RGB ADJ 5 Press ENTER button more than 2 seconds Start the automatic adjustment 6 Complete the adjustment after disappear ADJUSTMENT indication 7 Change CONTRAST of the MENU screen from LINER to ...

Page 20: ...5 Adjust color temperature as follows by reducing one or two numbers of No 15 16 17 At least one of these datas should be 255 PC color temperature WARM x 0 314 0 005 y 0 327 0 005 at 6500 K Suggestion 1 Luminance of panel surface is less than 20 lux to arrange adjustment environment 2 Adjstment is reduce value adjustment only Impossible to increase value adjustment 3 Color select mode is automatic...

Page 21: ...e is less than 20 lux to arrange adjustment environment 2 Adjstment is reduce value adjustment only Impossible to increase value adjustment 3 Color select mode is automatically set to COOL while adjustment No 0 1 and 2 4 Color select mode is automatically set to NORMAL while adjustment No 3 4 and 5 5 Color select mode is automatically set to WARM while adjustment No 6 7 and 8 8 5 Reset adjustment ...

Page 22: ...５ＣＮ６９１ＣＮ６７ＣＮ１０１ＣＮ１０２ＣＮ６６ＣＮ６８ＥＪ２０４ＣＮ６５ＣＮ６４ＣＮ２２ＣＮ３２間コネクタ布線注意電源基板１次側に接触しない様スタイルどりしＣＮ２２側に出来るだけ手繰りよせ布線のことＥＡＰＴＯＡＵＤＩＯＰＷＢＰＶＡＥＳＰＴＯＳＩＧＮＡＬＰＷＢＰＷ０１ＥＪ２０２ＥＣＮ１ＮＣＮ１１フェライトコア中型２３ＴＯＳＩＧＮＡＬＰＷＢＰＰ０１ＣＮ６ＥＪ２０６ＥＣＮ７８ＥＪ２０３ 9 1 Panel Module and Power Unit section The lead must run onto the frame of a chassis 22 Ferrite Core 9 Wiring Drawing ...

Page 23: ...に固定のことＺ００６Ｌ３０ｍｍＰＬ０１ＰＷ０２ＰＷ０１ＰＡ０１ＥＶＡＥＣＮ１Ｐ００１ＮＶＳ２フラットフェライトコア４ＮＣＮ１２２フェライトコア小型ＰＰ０１ＦｒｏｍＰａｎｅｌＬｏｇｉｃＣＮ１ＥＶＳ２４ＰＳＦＮＶＳ２１フェライトコア中型２Ｎ０１７パースロック φ８ＥＶＰ１フェライトコア中型２ＮＣＮ１１ＥＶＳ１ＥＦ１Ｚ００５パースロック φ８０Ｎ０２０Ｎ０１９パースロック φ１５ＥＳＰＦｒｏｍＰｏｗｅｒＵｎｉｔＣＮ１０１ＦｒｏｍＰｏｗｅｒＵｎｉｔＣＮ１０２Ｚ００７パースロック φ１５Ｎ２１ＥＶＡＥＡＳ１ヒートシンクに接触しないようまたフレームとバックカバーとで挟み込まないようスタイルどりのことＥＡＰＥＦＰＥ９０６ネジ止め安全アースＥ９０５ネジ止めＣ...

Page 24: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...

Page 25: ...HITACHI SM0064 Power Supply Block Diagram ...

Page 26: ...HITACHI SM0064 Panel Connectors ...

Page 27: ... R L001 P C003 Q010 etc NO Vs Va Vcc NO PICTURE open connector CN64 CN65 impedance check Vs LINE impedance check Vs LINE P DP module Vs NG impedance check Va LINE open connector CN64 CN66CN67 impedance check Va LINE P DP module Va NG D351 D551 D552 Va no uprise Vs down after up Vs no uprise Va down after up S W ON IC301 Q303 P C301 P C302 D310 IC391 etc IC591 Q501 IC501 D532 Q530 P C501 P C502 D28...

Page 28: ...HITACHI SM0064 Power Supply Circuit Board ...

Page 29: ...HITACHI SM0064 Power Circuit Schematic 1 of 5 ...

Page 30: ...HITACHI SM0064 Power Circuit Schematic 2 of 5 ...

Page 31: ...HITACHI SM0064 Power Circuit Schematic 3 0f 5 ...

Page 32: ...HITACHI SM0064 Power Circuit Schematic 4 of 5 ...

Page 33: ...HITACHI SM0064 Power Circuit Schematic 5 of 5 ...

Page 34: ...47 Milano Italia ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 04 72 14 29 70 Fax 04 72 14 29 99 Email france consommateur hitachi eu co...

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