Hitachi 42PD7200 Service Manual
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Hitachi 42PD7200 Service Manual

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CAUTION:
Before servicing this chassis, it is important that the service technician read the "Safety
Precautions" and "Product Safety Notices" in this service manual.
ATTENTION:
Avant d'effectuer l'entretien du châassis, le technicien doit lire les «Précautions de sécurité»
et les «Notices de sécurité du produit» présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die „Sicherheitshinweise" und „Hinweise
zur Produktsicherheit" in diesem Wartungshandbuch zu lesen.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
Plasma Television
March 2005
SM006
(PW2)
42PD7200
42PD7A10
(PW2)
42PD7200A
42PD7A10A
Data contained within this Service
manual is subject to alteration for
improvement.
Les données fournies dans le présent
manuel d'entretien peuvent faire l'objet
de modifications en vue de perfectionner
le produit.
Die in diesem Wartungshandbuch
enthaltenen Spezifikationen können sich
zwecks Verbesserungen ändern.
(PW2)
(PW2)

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Summary of Contents for Hitachi 42PD7200

  • Page 1 SM006 (PW2) 42PD7200 42PD7A10 (PW2) 42PD7200A (PW2) 42PD7A10A (PW2) SERVICE MANUAL MANUEL D'ENTRETIEN WARTUNGSHANDBUCH CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precautions” and “Product Safety Notices” in this service manual. Data contained within this Service manual is subject to alteration for improvement.

  • Page 2: Caution For Safety

    42PD7200 (PW2) CAUTION FOR SAFETY Please read this page before repair the monitor. This page explains to following items for keep the safety of set and prevent to accident during repair work. We explain by symbol at happen the damage or injury when took wrong repair.
  • Page 3 42PD7200 (PW2) PRECAUTIONS How to clean the plasma screen panel of the monitor Before cleaning the monitor, turn off the monitor and disconnect the power plug from the power outlet. To prevent scratching or damaging the plasma screen face, do not knock or rub the surface with sharp or hard objects.

  • Page 4: Specifications

    42PD7200 (PW2) 2. Specifications Display Approx. 42 inches (922 (H) x 522 (V) mm, diagonal 1059mm) dimensions Panel Resolution 1024(H) x 1024 (V) pixels Net dimensions 1050 (W) x 676 (H) x 110 (D) mm (excluding Speakers/Stand) Net weight 37.0kg...

  • Page 5: Service Points

    42PD7200 (PW2) 3. Service points Lead free solder This product uses lead free solder (unleaded) to help preserve the environment. Please read these instructions before attempting any soldering work. Caution: Always wear safety glasses to prevent fumes or molten solder from getting into the eyes. Lead free solder can splatter at high temperatures (600˚C).

  • Page 6: Component Names

    42PD7200 (PW2) 4. Component names [Main unit] Control panel • Adjustment buttons are located on the bottom. • The back cover is provided Remote-control with indications to distinguish receiver the adjustment buttons. Indicating lamp • The main power switch is located at the back, on the lower surface.

  • Page 7: New Adoption Technology

    42PD7200 (PW2) 5. New adoption technology [System control micom I001(M30627)] Pin function table PIN MANE FUNCTION VREF (+5.0V) +5.0V OSD_DATA OSD DATA OSD_CLK OSD CLK Head Phone Volume HP_VOL FE.AGC_O(M) AGC Voltage(F/E) FC DATA DATA_OUT(FC) FC DATA DATA_IN(FC) FC CLOCK...
  • Page 8 42PD7200 (PW2) PIN MANE FUNCTION CPUGO(PM_CPU) PDP PALEL Contorol EPM (FLASH) FRASH MEMORY Writing VIDEO.DET_1 Detecting VIDEO PWB SCL1 I2C to PWB TUNER side FE/MSP3455or MSP3415G/SAA5361/TB1274(Sub)/M306V7/M62320P SDA1 I2C to PWB TUNER side FE/MSP3455or MSP3415G/SAA5361/TB1274(Sub)/M306V7/M62320P HDMI-RESET HDMI-Reset HDMI-HPD_RESET Hot Plug Detect Reset VIDEO.DET_2...
  • Page 9 42PD7200 (PW2) PIN MANE FUNCTION CONTROL LCD PANEL SCL0 C-BUS Contorol CLOCK SDA0 C-BUS Contorol DATA SCL3(EEPROM) I2C-BUS Contorol CLOCK SDA3(EEPROM) I2C-BUS Contorol DATA HDMI_CIR_DET Detecting HDMI circuit connection EXT_RESET EXTERNAL RESET OSD_CS OSD CS FC_ENABLE FC ENABLE DTT IRQ...
  • Page 11 42PD7200 (PW2) 6. Adjustment ● How to get to Adjustment mode Using the front control buttons with the set turned off (standby) can activate it. Press the SUB-POWER( ) button, INPUT SELECT( ) button and button at the same time, and hold for more than 5 seconds.
  • Page 12 42PD7200 (PW2) Service adjustment items by I C-bus control (MAIN Part) : shoule be adjusted should be followed previous data Function Max. Default Changed Component value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 0 SUB_CONTRAST (RF) Main 1 SUB_CONTRAST (AV1)
  • Page 13 42PD7200 (PW2) : shoule be adjusted should be followed previous data Function Max. Default Changed Component value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 100 Free 101 Free 102 Free 103 Free 104 Free 105 Free 106 Free 107 Free...
  • Page 14 42PD7200 (PW2) : shoule be adjusted should be followed previous data Function Max. Default Changed Component value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 200 Cb offset1 Main 201 Free 202 Cr offset1 Main 203 Free 204 Cb offset1 205 Free...
  • Page 15 42PD7200 (PW2) : shoule be adjusted should be followed previous data Function Max. Default Changed Component value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 300 2D-YNR Lim 301 BLK EXP 302 CKILL 303 Output Clamp 304 Input Clamp auto 305 Int Clamp Manual...
  • Page 16 42PD7200 (PW2) : shoule be adjusted should be followed previous data Function Max. Default Changed Component value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 400 ACSESET Except NTSC3.58 401 ACSFSET Except NTSC3.58 402 AYMESET Except NTSC3.58 403 AYMFSET Except NTSC3.58 404 AYSESET Except NTSC3.58...
  • Page 17 42PD7200 (PW2) : shoule be adjusted should be followed previous data Function Max. Default Changed Component value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 497 VCORA : VCO range select 498 CRNTA : change pump current select 499 TESTA : Matching Test to allow increment of stability counter.
  • Page 18 42PD7200 (PW2) : shoule be adjusted should be followed previous data Function Max. Default Changed Component value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 592 Upper Limits Value for Sync Detect of 2ms interval For Free Running at AV mode...
  • Page 19 42PD7200 (PW2) Service adjustment items by I C-bus control (SUB adjust menu) (*The change to a sub menu. press “ok” key after no.659 with a main menu) : shoule be adjusted : should be followed previous data Function Max. Default...
  • Page 20 42PD7200 (PW2) : shoule be adjusted : should be followed previous data Function Max. Default Changed Component Value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 92 Horizontal Coring Level [HECOR1] NTSC-RF 93 (Enhancer Gain ) [HECOR2] PAL-RF/ Multi picture [HECOR3]...

  • Page 21: Factory Reset

    42PD7200 (PW2) : shoule be adjusted : should be followed previous data Function Max. Default Changed Component Value FORMATTER VIDEO TUNER ADJ. Items Mode PANEL 184 Menu Init. Color Temp.(Cool[0]/Normal[1]/Warm[2]/B&W[3]) For Dynamic 185 Menu Init. Color Temp.(Cool[0]/Normal[1]/Warm[2]/B&W[3]) For Natural 186 Menu Init. Color Temp.(Cool[0]/Normal[1]/Warm[2]/B&W[3]) For Cinema 187 Menu Init.
  • Page 22 42PD7200 (PW2) Item Power Unit Vs, Va Adjustment Applicable Model All models Preparation Procedure (1) Turn on the set and perform (1) Turn Vs ADJ to adjust Vs voltage pre-heat run more than 1 min to be within ±0.1V of the value on burn-in screen.
  • Page 23 42PD7200 (PW2) RGB Amplitude Adjustment (PC D-Sub input) Item Applicable Model All models Preparation Procedure Receive PC signal (VGA [60Hz]), and indicate Input RGB amplitude adjustment signal of VGA Service Adjustment Menu.(Main) (60Hz) into RGB2 [D-sub] terminal. Select No.652 of Service Adjustment Menu.
  • Page 24 42PD7200 (PW2) Video Color Temperature Adjustment (Cool) Item Applicable Model All models Adjustment Preparations Adjustment Procedures Perform the following adjustment with the remote Set the signal generator output as All White. control Component signal (480i) Set the CRT color analyzer (CA100) at the center Video level : 0.700Vp-p...
  • Page 25 42PD7200 (PW2) Video Color Temperature Adjustment (Normal) Item Applicable Model All models Preparation Procedure (1) Set signal generator output as Perform the following adjustment with the remote All White (Window ratio: 100%). control. (2) Component signal (480i) Set the CRT Color Analyzer (CA-100) at the center Video level : 0.700Vp-p...
  • Page 26 42PD7200 (PW2) Video Color Temperature Adjustment (B&W) Item Applicable Model All models Preparation Procedure Set signal generator output as All White Perform the following adjustment with (Window ratio: 100%). the remote control. Component signal (480i) Set the CRT Color Analyzer (CA-100) at Video level : 0.700Vp-p...

  • Page 27: Troubleshooting

    42PD7200 (PW2) 7. Troubleshooting How to get to Burn-in mode This mode displays the test patterns of some single color raster in turn. These signals are from built-in generator of PDP panel. So it can be presumed that maybe the panel has some trouble when the screen of Burn-in mode is abnormal.
  • Page 28 42PD7200 (PW2) Power Power cannot be turned on (LED does not light) Is the input voltage applied to Power supply unit? (CN61 AC Fuse Power switch Filter PWB AC inlet F902 T6.3AH 250V Are the voltages applied to CN63 pins...
  • Page 29 42PD7200 (PW2) Teletext [Tuner PWB Circuit] No Teletext Are waveforms at QT03(E),QT04(E) and QT05(E) Check PTV2 connector or Video PWB Are waveforms at pin 46,47,48 of IT01 Check QT03,QT04,QT05 Is waveform at pin 31 of IT01 (TV,CV)? Check around IT01...
  • Page 30 42PD7200 (PW2) TV Signal [Tuner PWB Circuit] No Picture of TV Is waveform at Check pin 49 of PTV2 Video PWB (TV,CV?) Is waveform at pin 7 of I101 (TV,CV)? Check Q106 Is waveform at pin 18 of U101 (TV,CV)?
  • Page 31 42PD7200 (PW2) TV Sound [Tuner PWB Circuit] No sound of TV Are waveforms at pin 30,31 of IN01(L,R)? Check PTV2 connector or Video PWB Is voltage at Is waveforms at pin 22 of IN01 pin 2 of IN01 ("H")? (SIF)?
  • Page 32 42PD7200 (PW2) Picture [Video PWB Circuit] No picture, no color or dark YES (Sub picture) Sub picture ? Trouble of Sub picture (Single picture or Main) Are waveforms at TP65(Y), TP66(Cb) and TP67(Cr) ? Check Formatter PWB Are waveforms at...
  • Page 33 42PD7200 (PW2) Trouble of Sub picture Are waveforms at TP68(Y), TP69(Cb) and TP6A(Cr) ? Check Formatter PWB Are waveforms at 42pin(Y), 44pin(Cb) and 46pin(Cr) of I601? Check Q607, Q608 and Q609 YES (Component Video/RGB-Video) Component or RGB-Video Input ? Check I601 and Input terminals...
  • Page 34 42PD7200 (PW2) Synchronization [Video PWB Circuit] No Sync or Invalid Sync YES (Sub picture) Sub picture ? Trouble of Sub picture (Single picture or Main picture) Are waveforms at TP61(H) and TP62(V) ? Check Formatter PWB Are waveforms at 61pin(H) and 58pin(V)
  • Page 35 42PD7200 (PW2) Trouble of Sub picture Are waveforms at TP63(H) and TP64(V) ? Check Formatter PWB Are waveforms at 45pin(H) and 48pin(V) of I601? Check I602 YES (Component Video) Component Input ? Check I601 and Input terminals (RF/Composite Video/ S-Video/RGB-Video/HDMI)
  • Page 36 42PD7200 (PW2) HDMI [HDMI PWB Circuit] No picture, no color or dark Are waveforms at QH20<E>(Y), QH21<E>(Cb) and QH22<E>(Cr)? Check ETV3 and VIDEO PWB Are waveforms at 12pin(Y), 15pin(Cb) and 7pin(Cr) of IH13? Check QH20, QH21 and QH22 Check IH13...

  • Page 37: Self-Diagnosis Function

    42PD7200 (PW2) 8. Self-Diagnosis Function This chassis has 2 modes of self-diagnosis function. (1) PDP panel check mode: It indicates the one latest record of the PDP panel failure with blinking of the power indication light (LED). (2) Signal circuit check mode: It indicates the check result on some points of the signal circuit and the history of them with On-Screen Display (OSD).
  • Page 38 42PD7200 (PW2) Signal circuit self-diagnosis function This function is for the failure of the signal circuit, for example the phenomenon as below: "Sometimes power turns off abnormally." "Sometimes picture disappears abnormally." To enter to this Self-Diagnosis mode, follow the next steps: Preparation: 1) The Power Cord should be connected to AC line and the Main Power switch should be turned on.

  • Page 39: Basic Circuit Diagram

    42PD7200 (PW2) 9. Basic circuit diagram Waveform I201(MAIN.V)(44) PIN I501 YIN(S-VIDEO)(44) PIN I501 YIN(Comb)(5) PIN I201(SUB.V)(53) PIN I501 CIN(S-VIDEO)(43) PIN 2Vp-p 1.0Vp-p 0.3Vp-p TP65(MY) TP66(MPB) TP68(SY) TP69(SPB) I501 CIN(Comb)(7) PIN 1. 2Vp-p 1.4Vp-p 0.3Vp-p TP67(MPR) TP61(MH) TP62(MV) TP6A(SPR) TP63(SH) TP64(SV) 5.0 Vp-p...
  • Page 40 42PD7200 (PW2) Basic circuit diagram list FILTER/TACT SW/LED RECEIVER/ SP. TERMINAL L/SP. TERMINAL R board ......41 VIDEO board 1 ............... 42 VIDEO board 2 ............... 43 VIDEO board 3 ............... 44 VIDEO board 4 ............... 45 TUNER board ................. 46 JOINT board 1 ................
  • Page 41 42PD7200 (PW2) MEMO...
  • Page 42 42PD7200(PW2) 9. Basic circuit diagram...
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  • Page 52 42PD7200(PW2) 10. Printed wiring board diagram FILTER board LED/RECEIVER board SW board SP TERMINAL L board SP TERMINAL R board TACT SW board...
  • Page 53 42PD7200(PW2) AUDIO board ( side-A ) AUDIO board ( side-B ) Mainly chip parts Mainly chip parts reference table reference table CIR.No. Position CIR.No. Position D408 D409 D411 D412 I401 I404 I405 I406 I407 I408 I409 I411 I412 PAF1 PAF2...
  • Page 54 42PD7200(PW2) JOINT board ( side-A ) JOINT board ( side-B ) Mainly chip parts reference table CIR.No. Position CIR.No. Position DJ31 PJI2 DJ32 QJ31 DJ33 QJ32 IJ31 QJ33 PJF1 PJF2 PJF3 PJF5 PJJ1...
  • Page 55 42PD7200(PW2) VIDEO board ( side-A ) Mainly chip parts reference table CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position D203 IE01 L305 L608 LE14 Q303 Q607 X215 XE07 D204 IE02...
  • Page 56 42PD7200(PW2) VIDEO board ( side-B ) Mainly chip parts reference table CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position D201 Q213 Q513 Q616 D205 Q214 Q518 Q617 D206 Q215 Q519 Q618 D207 Q218 Q603 Q619 Q0E2 Q504 Q604 Q620 Q0E4...
  • Page 57 42PD7200(PW2) TUNER board ( Side-A ) TUNER board ( Side-B ) Mainly chip parts reference table Mainly chip parts reference table CIR.No. Position CIR.No. Position CIR.No. Position I101 LT02 Q106 Q108 I102 PTV2 I103 Q109 Q101 IN01 Q102 Q110 IT01...
  • Page 58 42PD7200(PW2) HDMI board ( Side-B ) HDMI board ( Side-A ) Mainly chip parts reference table ( Side-A ) Mainly chip parts reference table ( Side-B ) CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position CIR.No. Position DH11 IH11 LH18...
  • Page 59 42PD7200(PW2) 11. Block diagram...
  • Page 60 42PD7200(PW2) 12. Connection diagram...

  • Page 61: Power Unit

    42PD7200(PW2) 13. Wiring diagram wiring diagram for 42PD7200 1/2 POWER UNIT LEAD No.6 with FERRITE CORE SK Binder side To joint PWB No.11 LEAD with FERRITE CORE to the next page...
  • Page 62 42PD7200(PW2) wiring diagram for 42PD7200 2/2 Detail (*2) Clamp the wire as wiring diagram. POWER UNIT No.7 SK Binder SK Binder side SP terminal R FERRITE CORE PURSE LOCK No.6 FERRITE CORE SP terminal L SK Binder (*2) Joint (*2)
  • Page 63 42PD7200(PW2) Disassembly diagram (42V) Gasket Gasket A 5 2 (13P CONNECTOR)
  • Page 64 42PD7200(PW2) The figure of FHP Panel Module (42V) Rear view The state of a panel simple substance. Attachment for packing Attachment for packing *Apply it before packing *Apply it before packing this panel module. this panel module. X-SUS PWB ASS'Y...
  • Page 65 42PD7200(PW2) Panel Module (42V) [The assembled form in a product (before servicing)] Joint Holder X8 *Remove these holders and apply the handles/ attachment for packing.
  • Page 66 THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
  • Page 67 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

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