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Hitachi 42PD7500, Service Manual

The Hitachi 42PD7500 is a high-quality plasma TV boasting impressive features and outstanding image quality. If you need a service manual or user manual to optimize its potential, our website offers a free download for your convenience. Discover the limitless possibilities this TV has to offer by visiting manualshive.com.

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15

42PD7500

/

42PD7500A

 (PW2) 

 : shoule be adjusted

should be followed previous data

ADJ

Function

Max. Default

No

value

FORMATTER

VIDEO

TUNER

PDP

ADJ. Items

Mode

PWB

PWB

PWB

PANEL

Changed Component

300 2D-YNR Lim

3

0

301 BLK EXP

3

0

302 CKILL

1

0

303 Output Clamp

1

0

304 Input Clamp auto

1

1

305 Int Clamp Manual

1

0

306 C-ENHA

1

0

307 YC-MIX

1

0

309 HSWINV

1

0

310 Free
311 V-ENHA Gain

NTSC3.58

3

2

312 V-ENHA NL

NTSC3.58

3

2

313 H-ENHA Gain

NTSC3.58

3

1

314 3DNR Corr for 3DYCS

1

0

315 Burst ON  for 2DYCS????

1

0

316 MDMPL

ޓ

1

0

317 MDMBL

ޓ

1

0

318 H-MaskOut

ޓ

7

0

319 V-MaskOut

ޓ

7

0

320 Input Y-Delay (Main RF mode)    for 3DYCS

7

4

321 Input Y-Delay (Main Video mode) for 3DYCS

7

4

322 Output-Y-Delay (Main RF Mode)    for 3DYCS

15

8

323 Output-Y-Delay (Main Video Mode) for 3DYCS

15

8

324 V-ENHA Core

NTSC3.58

3

0

325 Input Clamp Key

NTSC3.58

1

1

326 Burst Gate Key

NTSC3.58

1

1

327 Sync sep LPF

NTSC3.58

1

0

328 H-WST

NTSC3.58

7

3

329 HD Amp 1

NTSC3.58

7

6

330 HD Gain V

NTSC3.58

31

13

331 HD Amp 2

NTSC3.58

7

1

332 HD Gain 1

NTSC3.58

31

8

333 HD Amp 3

NTSC3.58

7

5

334 HD Gain 2

NTSC3.58

31

4

335 ACMSLP

NTSC3.58

3

1

336 ACSSLP

NTSC3.58

3

2

337 AYMSLP

NTSC3.58

3

2

338 AYSSLP

NTSC3.58

3

2

339 ACMESET

NTSC3.58

3

3

340 ACMFSET

NTSC3.58

3

3

341 ACSESET

NTSC3.58

3

2

342 ACSFSET

NTSC3.58

3

2

343 AYMESET

NTSC3.58

3

3

344 AYMFSET

NTSC3.58

3

3

345 AYSESET

NTSC3.58

3

1

346 AYSFSET

NTSC3.58

3

3

347 BCMSLP

NTSC3.58

3

3

348 BCSSLP

NTSC3.58

3

3

349 BYMSLP

NTSC3.58

3

3

350 BYSSLP

NTSC3.58

3

2

351 BCMESET

NTSC3.58

3

2

352 BCMFSET

NTSC3.58

3

2

353 BCSESET

NTSC3.58

3

2

354 BCSFSET

NTSC3.58

3

2

355 BYMESET

NTSC3.58

3

3

356 BYMFSET

NTSC3.58

3

3

357 BYSESET

NTSC3.58

3

3

358 BYSFSET

NTSC3.58

3

3

359 BCMUP

NTSC3.58

1

1

360 CECMP

NTSC3.58

7

4

361 CSCMP

NTSC3.58

15

0

362 F1HER

NTSC3.58

3

1

363 F1VER

NTSC3.58

3

1

364 MREF

NTSC3.58

15

2

365 CDEYE

NTSC3.58

3

2

366 YDEYE

NTSC3.58

3

2

367 MDS

NTSC3.58

1

0

368 F-TBC OFF  MDMPL

NTSC3.58

1

0

369 REC:C_DEC

Except NTSC3.58

1

0

370 V-ENHA Gain

Except NTSC3.58

3

2

371 V-ENHA NL

Except NTSC3.58

3

1

372 H-ENHA Gain

Except NTSC3.58

3

1

373 3D-CNR Lim  for 2DYCS

7

0

374 3D-CNR k    for 2DYCS

3

0

375 3D-CNR Gain for 2DYCS

7

0

376 3D-YNR Lim  for 2DYCS

7

0

377 3D-YNR k    for 2DYCS

3

0

378 3D-YNR Gain for 2DYCS

7

0

379 YCS MODE

Except NTSC3.58

3

0

380 AFC Gain

Except NTSC3.58

3

0

381 Free
382 Free
383 V-ENHA Core

Except NTSC3.58

3

0

384 Input Clamp Key

Except NTSC3.58

1

1

385 Burst Gate Key

Except NTSC3.58

1

1

386 Sync sep LPF

Except NTSC3.58

1

0

387 H-WST

Except NTSC3.58

7

3

388 HD Amp 1

Except NTSC3.58

7

6

389 HD Gain V

Except NTSC3.58

31

13

390 HD Amp 2

Except NTSC3.58

7

1

391 HD Gain 1

Except NTSC3.58

31

8

392 HD Amp 3

Except NTSC3.58

7

5

393 HD Gain 2

Except NTSC3.58

31

4

394 ACMSLP

Except NTSC3.58

3

2

395 ACSSLP

Except NTSC3.58

3

2

396 AYMSLP

Except NTSC3.58

3

0

397 AYSSLP

Except NTSC3.58

3

0

398 ACMESET

Except NTSC3.58

3

3

399 ACMFSET

Except NTSC3.58

3

3

308 Video2 RGB Mode ON

1

0

Summary of Contents for 42PD7500

Page 1: ...eur die Sicherheitshinweise und Hinweise zurProduktsicherheit indiesemWartungshandbuchzulesen SERVICE MANUAL MANUEL D ENTRETIEN WARTUNGSHANDBUCH 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 leproduit Die in diesem Wartungshandbuch enthaltenen ...

Page 2: ... You will die or take damage by electric shock if you touch to live part Use recommended components Please use to same characteristic compo nent which is same as previous for your safety and keep reliability especially marked by in parts list and circuit diagram It is reason of electric shock or fire if you use non recommended component Should be kept same style of wiring or component Monitor uses...

Page 3: ...h color plasma display panel with a resolution of 1024 H x 1024 V pixels creates a high definition large screen aspect ratio 16 9 and low profile flat display Free from electromagnetic interferences from geomag netic sources and ambient power lines the panel produces high quality display images free from color misconver gence and display distortion High Performance Digital Processor A wide range o...

Page 4: ...This logo indicates that the product is compliant with European Digital Broadcasting DVB is a registered trademark of the DVB Project This logo indicates that the product is set up to view digital terrestrial TV FREEVIEW and the FREEVIEW logo are trade marks of DVT Services Ltd and are used under license FREE VIEW Logo DTV Services Ltd 2002 This logo indicates that the product will work after impl...

Page 5: ...put Output Signal Temperature Relative humidity Net dimensions excluding Speakers Stand Net weight excluding Speakers Stand Resolution Display dimensions Operating 5 C to 35 C Storage 0 C to 40 C Operating 20 to 80 Storage 20 to 90 non condensing AC220 240V 50Hz RGB1 DVI input terminal DVI D RGB1 audio input terminal 3 5mm Stereo Mini Jack RGB2 analogue RGB input terminal D sub 15 pin RGB2 audio i...

Page 6: ...n 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 free solder is higher than leaded solder Use a soldering iron that maintains a high stable temperature large heat capacity and that allows temperature adjustment according to the part...

Page 7: ...es the function while the MENU is displayed on the screen Remote control receiver Indicating lamp The main power switch is located at the back on the lower surface Main power switch POWER button INPUT SELECT buttons MENU button OK button SOUND MODE button VOLUME UP DOWN button PROGRAMME SELECT buttons FREEZE MULTI MODE button RECALL button FUNCTION SELECT button DVD CONTROL buttons RETURN button C...

Page 8: ...39 I 40 SCLK FLASH I O 41 BUSY FLASH I O 42 TXD0 PDP I O 43 RXD0 PDP I O 44 SDA4 panel I O 45 SCL4 panel I O 46 M_ENABLE I O 47 M_SCLK I O 48 M_SDA I O 49 M_WAKEUP I O 50 PDPGO PM_ON I O 5V NC OSD DATA OSD CLK GND CNVSS FLASH TRAP MAIN FUNCTION 5V Head Phone Volume Memory Protect AGC Voltage F E FC DATA FC CLOCK FC DATA SYNC SW SYNC SW RESET OSC OUT GND OSC IN 5V 5V PULL UP IR Signal TA1370 LA7213...

Page 9: ...FE_AGC_I M I O AGC Voltage Main TUNER 94 FE_AGC_I S I O 95 HP_DETECT I O 96 HDMI_DET I O 97 INT_HDMI I O 98 NC I O NC 99 COMP_SW I O 100 DEMP_OUT I O PDP PALEL Contorol FRASH MEMORY Writing Detecting VIDEO PWB I2C䋨to PWB TUNER side䋩 FE MSP3455or MSP3415G SAA5361 TB1274 Sub M306V7 M62320P I2C䋨to PWB TUNER side䋩 FE MSP3455or MSP3415G SAA5361 TB1274 Sub M306V7 M62320P HDMI Reset Hot Plug Detect Reset...

Page 10: ...O 120 NC I O NC 121 AD_KEY3 I O 122 AD_KEY2 I O 123 AD_KEY1 I O 124 TV POWER I O 125 DIP DET I O 126 POWER_SAVE I O 127 GND I 128 I O Function 1 Function 2 LCD PANEL I 2 C BUS Contorol CLOCK I2 C BUS Contorol DATA I2C BUS Contorol CLOCK I2C BUS Contorol DATA Detecting HDMI circuit connection OSD CS FC ENABLE NC EXTERNAL RESET FAN ALARM AD KEY1 INPUT POWER ON OFF H ON䇮L STANDBY DIP DET POWER ON OFF...

Page 11: ...10 42PD7500 42PD7500A PW2 5A DTT DTT Block diagram ...

Page 12: ... selecting adjustment code buttons are used for changing data values OK button is used for confirming the data After finishing the necessary adjustment press MENU button Adjustment mode is released and the set returns to normal condition Memory Initialize operation NOTE The execution of this function returns the adjustment codes to the preset values therefore adjustment data will be lost Procedure...

Page 13: ... Dsub Comp Mode 1080i 50 60 720p 7 2 53 main sub YFRNR level MYNRP0 NTSC PAL Multi picture 7 1 54 main sub YFRNR level MYNRP5 NTSC PAL VIDEO 7 0 55 main sub YFRNR level MYNRP6 Scart RGB 50 60Hz 7 0 56 main sub YFRNR level MYNRP6 7 0 57 main sub YFRNR level MYNRP7 7 0 58 main sub YFRNR level MYNRP8 7 0 59 main sub CFRNR level MCNRP0 NTSC PAL 7 0 60 main sub CFRNR level MCNRP5 NTSC PAL VIDEO 7 0 61 ...

Page 14: ...147 Y Out Level L 6 5 Sub 63 15 148 Y Out Level VIDEO Sub 63 13 149 Y Out Level TEXT Sub 63 4 150 Free 151 C Out Level M 4 5 Main 63 7 152 C Out Level B G 5 5 Main 63 7 153 C Out Level D K 6 5 Main 63 7 154 C Out Level I 6 0 Main 63 7 155 C Out Level L 6 5 Main 63 8 156 C Out Level L 6 5 Main 63 8 157 C Out Level VIDEO Main 63 15 158 C Out Level TEXT Main 63 6 159 Free 160 C Out Level M 4 5 Sub 63...

Page 15: ... 576i 480p 576p 1 0 243 HV THRU 1 1080i 50 60 720p 1 0 244 HV THRU 2 NTSC PAL 480i 576i 480p 576p 1 0 245 HV THRU 2 1080i 50 60 720p 1 0 246 H_SEP 1 RF VIDEO 1 0 247 H_SEP 1 480i 576i 1 0 248 H_SEP 1 480p 576p 1 0 249 H_SEP 1 1080i_50 1 0 250 H_SEP 1 1080i_60 720p 1 0 251 H_SEP 2 RF VIDEO 1 0 252 H_SEP 2 480i 576i 1 0 253 H_SEP 2 480p 576p 1 0 254 H_SEP 2 1080i_50 1 0 255 H_SEP 2 1080i_60 720p 1 0...

Page 16: ...YSFSET NTSC3 58 3 3 347 BCMSLP NTSC3 58 3 3 348 BCSSLP NTSC3 58 3 3 349 BYMSLP NTSC3 58 3 3 350 BYSSLP NTSC3 58 3 2 351 BCMESET NTSC3 58 3 2 352 BCMFSET NTSC3 58 3 2 353 BCSESET NTSC3 58 3 2 354 BCSFSET NTSC3 58 3 2 355 BYMESET NTSC3 58 3 3 356 BYMFSET NTSC3 58 3 3 357 BYSESET NTSC3 58 3 3 358 BYSFSET NTSC3 58 3 3 359 BCMUP NTSC3 58 1 1 360 CECMP NTSC3 58 7 4 361 CSCMP NTSC3 58 15 0 362 F1HER NTSC...

Page 17: ...ol 1 1 446 Correction for Tracking DCBON RF VIDEO Color Temp Nor War 1 1 447 Correction for Tracking DCBON DVI PC DVI STB DSUB RGB 1 1 448 Color Temp Correction 3 2 449 Brightness Limitted Function of PANEL APSON 1 1 450 Dynamic Back Light Correction For LCD 1 1 451 Dynamic Contrast Correction 1 1 452 Histogram Color Management 1 1 453 Histogram Gradation Amp 1 1 454 Histogram Enhancer 1 1 455 Dyn...

Page 18: ...mit 63 63 544 Power Mode 0 Last mode 1 Pos1 2 7 V1 6 8 9 RGB1 2 9 0 545 Free 546 Channel Select 0 CCIR 1 CHINA 1 0 547 Auto_sound 4 5 0 Korea 1 BTSC 2 Japan 2 0 548 T TEXT 0 None 1 Yes 1 1 549 Free 550 Channel Preset 0 VESTEL 1 GIFU 2 HAMA 3 HFDM 4 AUSTRALIA 4 1 551 V FREQ 60Hz Force 0 None 1 Yes 1 0 552 Offset value of adjusted TINT For COMPAL factory 20 11 553 Use TINT Offset 0 No 1 Yes For COMP...

Page 19: ... N hardware value 1 624 SiI9993 Read Data NHRDM1 N hardware value 1 625 SiI9993 Read Data NHRDH1 N hardware value 1 626 SiI9993 Read Data CHRDL1 CTS hardware value 1 627 SiI9993 Read Data CHRDM1 CTS hardware value 1 628 SiI9993 Read Data CHRDH1 CTS hardware value 1 629 SiI9993 Read Data ACR1 ACR PLL hardware value 1 630 SiI9993 Read Data ACRS1 ACR PLL hardware value 1 631 SiI9993 Read Data SFREQ1 ...

Page 20: ...40 Color Center CM SD YCbCr 60Hz 127 68 41 Color Center CM Scart RGB 50 60Hz 127 70 42 Color Center CM HD YPbPr 50 60Hz 127 70 43 Color Center CM DVI PC 127 64 44 Color Center CM DVI STB 480i 576i 480p 576p 127 62 45 Color Center CM DVI STB 1080i 50 60 720p 127 62 46 Color Center CM DVI STB VGA 127 62 47 Color Center CM DSUB RGB 127 64 48 Tint Center CM PAL 254 125 49 Tint Center CM Scart RGB 50Hz...

Page 21: ...0 720p 1 0 142 Vertical Clip Offset Level YVECLPL0 NTSC PAL 480i 576i Multi picture 15 15 143 YVECLPL1 480p 576p 1080i 50 60 720p 15 8 144 Vertical Non Linear Peaking for Y G YVNLP0 NTSC PAL 480i 576i Multi picture 63 0 145 YVNLP1 480p 576p 1080i 50 60 720p 63 0 146 Horizontal Enhancer Gain for Y R YHEG0 NTSC PAL except RF 480i 576i 15 15 147 YHEG1 480p 576p 15 15 148 YHEG2 15 149 YHEG3 PAL RF Mul...

Page 22: ...7 65 204 Tint Center CM HDMI YCbCr 50Hz 576i 576p 254 126 205 Tint Center CM HDMI YCbCr 60Hz 480i 480p 254 126 206 Tint Center CM HDMI YPbPr 1080i 50 60 720p 254 126 207 Sharpness Gain RF BG DK I Main 15 8 208 Sharpness Gain RF M Main 15 8 209 Sharpness Gain RF L Main 15 8 210 Sharpness Gain RF L Main 15 8 211 Sharpness Gain VIDEO PAL Main 15 10 212 Sharpness Gain VIDEO NTSC3 58 Main 15 10 213 Sha...

Page 23: ... of the value specified in the label on the panel Adjust within 1V at Va1 Adjust within 0 2V at Va2 3 Connect voltmeter leads to Vs or Va and GND test points of the power unit 3 Label example LOT N6 Vs 80 0V Va 60 0V Vw 140 0V Vx 60 0V Power Supply Unit X sus Y sus Rear View Panel Module Label Reconfirm that Vs voltage remains within 0 1V of the specified value Readjust if it s outside of the marg...

Page 24: ...7V RGB Amplitude Adjustment Main Sub Select No 653 RGB amplitude gain adjustment Sub of Service Adjustment Menu Press OK key more than 2 seconds to start the automatic adjustment The adjustment completes when the indication Auto Mode at the bottom of the screen disappears Note Never adjust without use of the specified signal If that were done by mistake the picture would become abnormal in black l...

Page 25: ...wn below Note At least one of the data shoud be 255 Ensure that the service adjustment menu sub menu No 0 1 2 are all set as 255 Confirm that the mode is set as Factory Adjustment mode Perform the following adjustment with the remote control Set the CRT color analyzer CA100 at the center of the panel Component signal 480i Video level 0 700Vp p Sync level 0 300Vp p Setup level 0V Adjustment Prepara...

Page 26: ... and adjust the values as shown below Note At least one of the data should be 255 Item Applicable Model All models Preparation Procedure 1 Set signal generator output as All White Window ratio 100 1 2 Component signal 480i Video level 0 700Vp p Sync level 0 300Vp p Setup level 0V 2 Specification Video color Color temperature Warm x 0 314 0 005 y 0 327 0 005 3 4 Check that Picture Menu is set as RE...

Page 27: ... or one among adjustment No 9 10 11 and adjust the values as shown below Note At least one of the data should be 255 Specification Video color Color temperature B W x 0 335 0 005 y 0 343 0 005 Set into Factory Adjustment mode Item Applicable Model All models 1 1 PC Color Temperature Adjustment Perform after the video color temperature adjustment Write the results of the video color temp adjustment...

Page 28: ...URN IN ON To escape from this mode press the SUB POWER button INPUT SELECT button and button at the same time and hold for more than 5 seconds Burn in mode will be released How to recover the remote and front key function If remote and front key cannot operate after miss set special function by front keys these functions can recover by below method Press the SUB POWER button INPUT SELECT button an...

Page 29: ...t voltage applied to Power supply unit CN61 AC inlet Power switch AC Fuse F902 T6 3AH 250V Are the voltages applied to CN63 pins and CNPPS pins of Power supply unit CN63 5V CNPPS 30V 5V 12V 10V Joint Formatter PWB Power supply unit No Yes Filter PWB Re adjustment is reqired Plese refer to 22 page ...

Page 30: ...aveforms at QT03 E QT04 E and QT05 E Are waveforms at pin 46 47 48 of IT01 No No pin 31 of IT01 TV CV No Is waveform at pin 25 of PTV2 TV CV Check Video PWB No Yes Yes Yes Yes Check PTV2 connector Check QT03 QT04 QT05 Check around IT01 Check around QT01 QT02 Is waveform at or Video PWB ...

Page 31: ... Check Q106 Check around Q101 Q102 Q103 No Picture of TV No Picture of DTT No Teletext of DTT Check HDMI PWB Are waveforms at PHD1 connector Pin19 20 21 24 Check I F B PWB Are waveforms at PL6 connector Pin19 20 21 24 Change I F B board Check DTT module board Check connector wires EBH I F B board No Yes Yes OK No NG Check Video PWB Pin12 14 17 of I601 Pin30 of I201 DTT Signal DTT Teletext I F B PW...

Page 32: ...und IN01 Yes How about base of QK02 No No Check QK02 QK03 Yes Check I001 of Formatter PWB No Check QK02 QK03 pin 22 of IN01 No sound of TV Does voltage at pin 22 of IN02 change for Low to High DTT Sound I F B PWB Circuit No Sound of DTT Check HDMI PWB Are waveforms at PHD1 connector Pin26 27 Check HDMI PWB Are waveforms at PL6 connector Pin26 27 Change I F B board Check DTT module board Check conn...

Page 33: ...ECAM SECAM RF Composite Video YES SECAM RF Composite Video NO S Video Are waveforms at 5pin Y and 7pin C of I501 Check I501 Are waveforms at TP32 Y and TP33 C YES NO Check Q304 Q305 Q306 Q307 Q308 Q309 Q501 Q503 YES NO HDMI Input YES HDMI NO RF Composite Video S Video Are waveforms at 25pin Y 27pin Cb and 29pin Cr of I601 Check I601 Check HDMI PWB YES NO Is waveform at 44pin CV of I501 Check I501 ...

Page 34: ...pin Cb and 23pin Cr of I502 Check Q508 Q509 and Q510 YES NO RF Input or Composite Video Input YES RF Composite Video NO S Video HDMI Input YES HDMI NO RF Composite Video S Video Are waveforms at 25pin Y 27pin Cb and 29pin Cr of I601 Check I601 Check HDMI PWB YES NO Is waveform at 1pin CV of I502 Check I502 YES NO Is waveform at 53pin CV of I201 Check Q209 and Q511 RF Input YES NO Check I201 and SU...

Page 35: ...rm at 25pin Y of I601 Check I601 Check HDMI PWB YES NO Is waveform at 44pin Y of I501 Check I501 and Q211 Is waveform at 44pin Y of I201 YES NO Check Q504 and Q211 Check I201 and Input terminal YES NO Is waveform at 5pin Y of I501 Check I501 Is waveform at TP32 Y YES NO Check Q304 Q305 and Q306 YES NO Is waveform at 44pin CV of I501 Check I501 YES NO Is waveform at 44pin CV of I201 Is waveform at ...

Page 36: ...veform at 25pin Y of I601 Check I601 Check HDMI PWB YES NO Is waveform at 1pin CV of I502 Check I502 YES NO Is waveform at 53pin CV of I201 Check Q209 and Q511 RF Input YES NO Check I201 and SUB TUNER PWB YES RF NO Composite Video Check I201 and Input terminal Is waveform at 44pin Y of I502 Check I502 and Q209 Is waveform at 56pin Y of I201 YES NO Check Q512 and Q209 Check I201 and Input terminal ...

Page 37: ...rms at 12pin Y 15pin Cb and 7pin Cr of IH13 Check QH20 QH21 and QH22 YES NO YES NO No sound Are waveforms at 37pin L and 35pin R of PHV1 Check ETV3 and VIDEO PWB Are waveforms at 7pin L and 8pin R of IH14 YES NO Check IH15 Are waveforms at 26pin SCK 32pin BCK 30pin DATA and 31pin LRCK of IH13 YES NO Check IH14 Check IH13 YES NO HDMI HDMI PWB Circuit ...

Page 38: ...ce check Vs LINE Impedance check Vs LINE PDP module Vs NG Impedance check Va LINE Open connector CN64 Impedance check Va LINE PDP module Va NG D351 D551 D550 Va no rise Vs down after up Vs no rise Va down after up SW ON Q303 PC301 PC302 D310 etc Q501 D510 Q500 PC501 PC502 etc NO Vs Va Vcc NG OK 1 2 3 OK NG NG OK NG OK Check Voltage D021 A Q501 HeatSink NG OK Over 300V OK NG NG OK NG OK Under 130V ...

Page 39: ... SUB POWER button of the monitor or the remote control Procedure 1 Press the SUB POWER button and button on the bottom of the monitor at the same time and keep it for more than 5 seconds after the power turned on 2 It generates red blinking series of the power indicator light 3 Any operation would cancel the Self Diagnosis mode 4 The next table shows the PDP PWB in which failure most probably woul...

Page 40: ...k result Check item OSD 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 2 Tu...

Page 41: ... MAIN V 44 PIN I501 YIN S VIDEO 44 PIN I501 CIN S VIDEO 43 PIN I501 YIN Comb 5 PIN I501 CIN Comb 7 PIN TP65 MY TP68 SY TP66 MPB TP69 SPB TP6A SPR TP67 MPR TP61 MH 5 0Vp p TP63 SH TP64 SV TP62 MV 1V 1H 0 3Vp p 1H 2Vp p 1H 1 0Vp p 1H 1 4Vp p 1H 1 2Vp p 1H 1H 1 2Vp p 1H 5 0Vp p 0 3Vp p ...

Page 42: ...ER SP TERMINAL L SP TERMINAL R board 42 VIDEO board 1 43 VIDEO board 2 44 VIDEO board 3 45 VIDEO board 4 46 TUNER board 47 JOINT board 1 48 JOINT board 2 49 AUDIO board 50 HDMI board 51 I F A board I F B board 52 Basic circuit diagram list PSU board 53 ...

Page 43: ...42 42PD7500 42PD7500A PW2 9 Basic circuit diagram 1 2 3 4 5 6 6 1 2 3 4 5 D C B A G F E PWB assembly FILTER TACT SW LED RECEIVER SP TERMINAL L SP TERMINAL R PW2 ...

Page 44: ...43 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 1 PW2 ...

Page 45: ...44 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 2 PW2 ...

Page 46: ...45 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 3 PW2 ...

Page 47: ...46 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 4 PW2 ...

Page 48: ...47 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A TUNER board PW2 ...

Page 49: ...48 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly JOINT 1 PW2 ...

Page 50: ...49 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D C B A G F E PWB assembly JOINT 2 PW2 ...

Page 51: ...50 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly AUDIO PW2 ...

Page 52: ...51 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A HDMI board PW2 ...

Page 53: ...52 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A I F B board PW2 1000 I F A board PW2 ...

Page 54: ...SM007 PSU Circuit Sheet 1 53 42PD7500 42PD7500A PW2 ...

Page 55: ...SM007 PSU Circuit Sheet 2 54 42PD7500 42PD7500A PW2 ...

Page 56: ...SM007 PSU Circuit Sheet 3 55 42PD7500 42PD7500A PW2 ...

Page 57: ...SM007 PSU Circuit Sheet 4 56 42PD7500 42PD7500A PW2 ...

Page 58: ...SM007 PSU Circuit Sheet 5 57 42PD7500 42PD7500A PW2 ...

Page 59: ...58 42PD7500 42PD7500A PW2 10 Printed wiring board diagram FILTER board SW board TACT SW board SP TERMINAL R board LED RECEIVER board SP TERMINAL L board ...

Page 60: ... parts reference table Main chip parts AUDIO board side A AUDIO board side B CIR No Position D409 B6 CIR No Position D408 C5 D411 C5 D412 C5 I401 C6 I404 B5 I405 D2 I406 B6 I407 B5 I408 C4 I409 A5 I411 C3 I412 C2 PAF1 B4 PAF2 D6 Q401 B4 Q402 A5 Q403 B5 ...

Page 61: ...D7500A PW2 Main chip parts reference table JOINT board side A JOINT board side B CIR No Position CIR No Position DJ31 E4 PJI2 E8 DJ32 E5 QJ31 E5 DJ33 E5 QJ32 E5 IJ31 E5 QJ33 E6 PJF1 F6 PJF2 F7 PJF3 B8 PJF5 D8 PJJ1 E8 ...

Page 62: ... C6 I302 L3 L210 E5 L312 H3 LE03 J6 PVT2 K2 Q501 J3 QE05 H5 X601 C2 I304 K4 L212 C4 L502 H3 LE04 J6 Q001 L5 Q502 J2 QE06 H5 X602 C3 I305 L2 L213 D6 L503 G3 LE05 J6 Q0E0 F3 Q503 I3 QE07 H5 X603 C3 I306 K2 L214 D6 L505 B5 LE06 J5 Q0E1 F4 Q507 G2 QE08 H5 X604 A2 I501 F3 L215 C6 L506 B5 LE07 J5 Q0E3 E2 Q508 E2 QR01 H1 X605 A2 I502 B5 L216 B6 L602 E3 LE08 J5 Q0E5 D2 Q509 E2 X201 F5 XE01 I6 I601 C3 L218...

Page 63: ...osition CIR No Position CIR No Position D201 F6 Q213 D4 Q513 C4 Q616 B3 D205 D2 Q214 D5 Q518 F3 Q617 B3 D206 D3 Q215 D5 Q519 B5 Q618 B3 D207 D3 Q218 E3 Q603 C2 Q619 B3 Q0E2 D2 Q504 G3 Q604 B2 Q620 A3 Q0E4 D2 Q505 G3 Q605 B2 QH01 E4 Q205 G6 Q506 G3 Q613 A2 Q209 H4 Q511 C5 Q614 B2 Q211 G4 Q512 C5 Q615 B2 ...

Page 64: ... CIR No Position I101 B3 I102 B5 I103 B5 IN01 B4 IT01 B2 IT02 C1 IT03 B2 L102 E3 L104 A3 LN01 C5 LN02 C4 LN03 B3 LT01 A2 CIR No Position LT02 C3 PTV2 B6 Q101 D5 Q102 D4 Q103 D4 Q104 D3 Q105 C3 QN01 C5 QN02 C4 QN10 B5 QT01 C2 QT02 C2 QT03 D1 CIR No Position Q106 B3 Q108 D5 Q109 E4 Q110 E4 Q111 E4 ...

Page 65: ...2 B3 QH22 B2 DH16 B4 IHR1 E5 LH23 D5 QH30 E3 DH20 C4 JH11 C1 PHD1 F5 QH31 E3 DH21 B4 KIKU1C F2 PHV1 F3 QH32 D3 DH22 B4 KIKU2C A1 QH11 D4 QH33 D2 DH23 E2 KIKU3C F6 QH12 D4 QH34 E3 DH24 E2 KIKU4C A6 QH13 E2 QH35 E3 DHR1 E5 LH13 C1 QH14 B4 QH40 D3 HH11 B2 LH14 D2 QH15 B4 QHR1 D5 HH12 A2 LH15 D2 QH16 B5 QHR2 D5 HH13 B2 LH16 D3 QH17 B4 TP01 D6 CIR No Position KIKU1S F2 KIKU2S F6 KIKU3S A6 KIKU4S A1 Mai...

Page 66: ...SM007 PSU Board 65 42PD7500 42PD7500A PW2 ...

Page 67: ...66 42PD7500 42PD7500A PW2 11 Block diagram ...

Page 68: ...3V RL001 T201 Q201 30V 12V LV Bridge D001 10V C016 Vcc5 1V T301 Q301 C201 HV T501 Q501 AC detect IC202 Vcego Vsago Power off Va Vs Vs 80V C108 RL002 PFC IC001 Q003 L005 370V AC in LV STB Va 60V Reg D020 D021 Chop D010 D011 Reg 67 42PD7500 42PD7500A PW2 ...

Page 69: ...DMI RESET WSS_2 STAND CIR_DE T RXD BUSY VPP TXD SCLK CNVSS RESET S TXD S RXD RES MD2 FEW FCK GND 3 3V 1 GND GND SCr GND MY MCb GND GND GND MCr SY SCb GND 1 3 3V FE 30V GND A 9V GND A 5 5V GND GND MTV CV MTV L MTV R MTV AFC GND GND GND GND GND MFE AGCO MFE AGCI EXT RESET GND MVD 15kHz MHD 15kHz MCCD TX B GND MCCD TX G MCCD TX R MCCD TX B GND MCV Y CC GND SHD 15kHz SVD 15kHz GND SCCD BLK SCCD R SCCD...

Page 70: ...1 30V 2 GND 3 GND 4 Vcc5 1V 5 Vcc5 1V 6 GND 7 GND 8 12V 9 12V 10 GND 11 GND 12 10V 13 10V Panel 1 Pin No CN64 1 Va 2 NC 3 Vcc5 1V 4 GND 5 GND 6 GND 7 NC 8 Vs 9 Vs 10 Vs Panel 4 Pin No CN69 1 Vcc5 1V 2 GND 3 STB3 3V 4 GND 5 NC 6 NC 7 Vcego 8 Vsago 9 NC Adjust Pin No CN99 1 Va 2 Vs 3 GND 69 42PD7500 42PD7500A PW2 PSU Board Connector Pin Assignments ...

Page 71: ...he core surely until it sounds click when you close the ferrite core From Connector To Remark Number of Receptacle PWB A ssy Number of Receptacle PWB A ssy PJF1 Joint No 1 PFJ1 Formatter 7PZH PJF2 Joint No 2 PFJ2 Formatter 12PZH PJF3 Joint No 3 PFJ3 Formatter 50PFFC PJF5 Joint No 4 PFJ5 Formatter 50PFFC PL7 I F A EPA CN63 Power Supply 6PEH PJP2 Joint No 7 CNRPS Power Supply 13PEH PJA1 Joint No 8 P...

Page 72: ...rrite core Large Connector with core Formatter Joint 00W3 Ø 11 5 Purse lock 00W2 SK Binder Fix the ferrite core with bracket by SK Binder SK Binder should be inserted to hole of the bracket Power Supply Unit SP Terminal R Filter Close the lever 485 NITTO TAPE No 5L 30mm 2 SW board from the terminal of SK Binder to keep away Fix the earth wire by 00W1 SK Binder E903 Screwed Switch 12 9 Specificatio...

Page 73: ...4 3TICK 4 TAPE TO ASE METAL EDGE WITH TURNING BACK I X IX 07 33 9 0 0 0 44 0 45 F F F X IX AND 0 0 D E D D z 2 z 1 D X IX 44 07 33 9 TO Z X z 1 IX AND 0 0 z 2 IX AND 0 0 E X IX 44 07 33 9 TO From Connector To Remark Number of Receptacle PWB A ssy Number of Receptacle PWB A ssy PTV1 TUNER ETV1 PVT1 VIDEO 8PPH PTV2 TUNER ETV2 PVT2 VIDEO 50PFFC PHV1 HDMI ETV3 PVH1 VIDEO 50PFFC From Connector To Remar...

Page 74: ...arefully not to make scratches on the PDP Back Cover 191 when you assemble the Unit Top Case by screwing of 672 and 216F DTT Unit Top Cover r r x 1 s x 7 f x 2 1 1 QL24775 CAUTION TO PREVENT ELECTRIC SHOCK DO NOT REMOVE COVER FOR QUALIFIED PERSONNEL ONLY WARNING 220 240V 50Hz 380W 42PD7500 42PD7500 S N VE5D00001 QL26091 4 2 250 a x 25 791 c x 4 252F b x 3 01F 204 204 212E 202E 671 790 x x 4 220 f ...

Page 75: ... ABL0019 FPF28R ABR0020 FHP Spare Part Manufactured at FHP factory Attachment for packing Apply it before packing this panel module Attachment for packing Apply it before packing this panel module X SUS PWB ASS Y Manufactured at FHP factory 3 6 2 Manufactured at FHP factory LOGIC PWB ASS Manufactured at FHP factory 5 4 Attachment for packing Apply it before packing this panel module Attachment for...

Page 76: ...75 42PD7500 42PD7500A 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 77: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA 76 ...

Page 78: ...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 33 04 72 14 29 70 Fax 33 04 72 14 29 99 Email france consommateur hitachi...

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