Panasonic TH50PHW5 manual

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Primeiro, o manual Panasonic TH50PHW5 deve conte:
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  • Página 1

    Panasonic Services Compan y National Training TH-42PHD5/TH-50PHD5 TH-42PHW5/TH50P HW5 GPH5D Ch assis Plasma Display Panel Troublesho oting Guide Warning This servic e information is designed for experienced repair tec hnicians only and is not designed for use by the general public. It does not contain warnings or caut ions to advise non-technical i[...]

  • Página 2

    2[...]

  • Página 3

    3 Objective ............................................................................................................... 5 2002 Model Lin e Up .............................................................................................. 6 Specifications ............................................................................................[...]

  • Página 4

    4 Service Hints .................................................................................................... 46 After Image Prevention ....................................................................................... 53 Screen Saver Feature ................................................................................... 53 Side Bar[...]

  • Página 5

    5 Objective The infor mation prov ided in this docume nt is desi gned to assist the t echnician in determi ning the d efectiv e printed circ uit board . The troubl eshooting flow charts, signal path c harts and conn ector infor mation should prov ide enoug h detai l that the techni cian can acc urately deter mine w hich one o f the print ed circ ui[...]

  • Página 6

    6 2002 Mode l Line Up TH-50PHW5 50-inch (12 7 cm) HD Plasma Display HD Panel Digital Cinema Reality Advanced 3-dimen sional Progressiv e Scan 1366 x 768 XGA Resolu tion (UXGA Compatible) TH-42PHW5 42-inch (10 6cm) TH-42PW5 42-inch (10 6 cm) Wide P lasm a Di splay Plasma C ontrast A utomati c Tracki ng System (C.A.T .S.) 3-Dimensional Progressiv e S[...]

  • Página 7

    7 Specifications Our New 50” & 42” HD Progre ssive Pa nels The industr y’s hig hest-resolution panels Panasonic Company PI Company F/H Scanning Method Progressiv e Progressiv e Interlace 50- inch 1,366 x 76 8= 1.05 million p ixels 1,280 x 76 8= 0.98 million p ixels Pixel pitch 0.810 (H ) x 0.810 (V) = 0.656 0.858 (H ) x 0.808 (V) = 0.693 [...]

  • Página 8

    8 Features Pixel explanati on 852 pixel s 480 pixel s 410 , 000 Pi xels 1,024 pix els 768 pixel s 790 , 000 p ixels SD (Stan dard Defi nition) Pan el HD (High-Definition) panel Reproduc es even the tini est details o f high-de finition sources and other hig h-qual ity imag es. Provi des the optimum number o f pixels for view ing standard br oadcast[...]

  • Página 9

    9 New front protection filter glass improves the natural reds New phosphors improve the blue color reproduction. Scan Explanati on The 1-fiel d (1/60 sec) display pix els on the P anasonic 4 2" and 3 7" SD model s and on the ALIS sy stem mod els are VGA l evel . (Panasoni c HD model s are XGA level , for higher resolution.) A.L.I.S. (Al t[...]

  • Página 10

    10 D D u u a a l l S S c c a a n n ( ( H H D D ) ) S S i i n n g g l l e e S S c c a a n n ( ( S S D D ) ) •Simple an d low cost c ircuit •High per formance •Higher brightness Figure 5 Figure 4[...]

  • Página 11

    11 Disassemb ly Rear Cover Removal Remove the 27 screw s, shown in Fi gure 6, and then pull aw ay the rear cover. Remo val of the shie ld Remove th e six screw s, shown in Figure 7, an d then pull aw ay the r ear shield cover. Figure 8 Figure 7 Figure 6[...]

  • Página 12

    12 Location o f Lead W iri ng High freq uency electromag netic signal s can create electri cal interfer ence within the unit . Be sure to route al l wir es through their respective har nesses referenc e. The chart b elow i s an illustration represen ting the connectors a nd the w ire harnesses ass ociated wi th them. Harness Nu mber Connector Numbe[...]

  • Página 13

    13 42” HD PCB Board La yout Diagram Printed Circui t Board Informati on Table Board Name Part Number Function C1 TNPA242 8 Data Driv e (Upper Left) C2 TNPA242 9 Data Driv e (Upper Ri ght) C3 TNPA243 0 Data Driv e (Lower Ri ght) C4 TNPA243 1 Data Driv e (Lower Left) D1 TZT NP01LLSB Format Converter D2 TNPA242 7 Plasm a AI Sub- Fiel d Proce ssor F [...]

  • Página 14

    14 50” PCB Board Lay out Diagram Board Name Part Number Function C1 TNPA251 0 Data Driv e (Upper Left) C2 TNPA251 1 Data Driv e (Upper Ce nter) C3 TNPA251 2 Data Driv e (Upper Ri ght) C4 TNPA251 3 Data Driv e (Lower Ri ght) C5 TNPA251 4AB Data Driv e (Lower Center) C6 TNPA251 5 Data Driv e (Lower Left) C9 TNPA260 8 Ener gy Recov ery Circ uit D1 T[...]

  • Página 15

    15 42” SD PCB La yout Diagram Board Name Part Number Function C1 TNPA254 0 Data Driv e (Lower Ri ght) C2 TNPA254 1 Data Driv e (Lower Left) D1 TZT NP01MMSB Format Con verter D2 TNPA258 9 Plasm a AI Sub- Fiel d Proce ssor F TX N/F10MMS Line filter H3 TNPA224 9 Spe ak er terminal HX T ZTNP020J AS PC t ype Input ter m inal HZ TXNHZ40J JS RCA type In[...]

  • Página 16

    16 Video Signa l Path Expla nation HY/HZ Board Figure 13 The "HY / HZ" boar d is equipped w ith one C ompo nent input, one Co mposite i nput and one S- Video in put. The Co mposite and S- Video inputs are appli ed to a switchi ng circuit, w hich is controll ed by the system c ontrol IC, l ocated on the D1- Board. The sw itch sele ct comma[...]

  • Página 17

    17 HX Board Figure 14 PC RGB Sig nals are in put to t he HX Boar d. The RGB sig nals as w ell as the verti cal and hori zontal sy nc signals are am plified by a series o f transi stor amplifier s. The RS 232C com munications bus l ine is also c onnected on this board. The RS-232C c onnection i s prov ided so th at operati on chang es can be made v [...]

  • Página 18

    18 D1 Board Figure 15 After the i nput sig nals are ampl ified by the HY /HZ and HX boards the desi red signal i s selected. Th e micropr ocessor sends the comma nd via the II C bus to th e input sel ect switch (IC 3001). The v ideo sw itch selects fro m one of the t hree inputs. The c omponen t v ideo signal out put fro m the vi deo switch i s amp[...]

  • Página 19

    19 DVI Interface Figure 16 An option al Dig ital Visual In terface ( DVI) mo dule conn ection is pr ovided on this generation Plasma D isplay Panels. The D VI i nterface all ows dir ect digi tal transfer from a displ ay dev ice to the panel. A VGA or component v ideo si gnal requir es a conversion from the digital to analog a nd then conversi on ba[...]

  • Página 20

    20 Figure 18 show s an example of the D VI interface. It permits dir ect connection o f the digital video si gnal to the For mat converter . This bypass es the D/A an d A/D proce ss provi ding the be tter quality picture. Installati on of the D VI inter face requi res remo val of the H Y/HZ Bo ard and replacing it wi th an optional DVI inter face b[...]

  • Página 21

    21 Sync Process Figure 19 The ver tical and hor izontal sy nc signal paths are sl ightly different d epending on the Source signal. A V/ RGB/PC I nput Mode Sync The ver tical and hor izontal sy nc signal s gener ated by the i nput dev ice are applied to c onnect or D3 or D2 t o a Sync sw itch (IC3002) . IC3002 ou tputs t he verti cal and hori zonta[...]

  • Página 22

    22 D1 Board Figure 20 D1-board c onsists o f the Analog and Dig ital sig nal process. It also contai ns the Discharg e control and Microprocessor con trol block. S upply v oltages of 13.5 V, 5V, Stan dby 5V, 3.3 V, and 1.8 V operat e the D 1-board. The i nput R GB vi deo signals ar e at 0.7Vp- p. Video si gnals in t he for m of parallel data a nd t[...]

  • Página 23

    23 D2 Board Figure 21 The D2 boar d prov ides the sc an, sustai n and data drive si gnals. The scan pulses are outpu t to the SC board. The sustain puls es are out put to the SS board . The data driv e signals are outp ut to the C 1, C2, C 3 and C4 boar ds. The C1 bo ard driv es the Upper r ight porti on of the panel; t he C2 boar d driv es the upp[...]

  • Página 24

    24 D2 Board detail s Figure 22 The Plasma AI (Adaptiv e brightness Int ensifier ) circuits anal yz e the video progr am level for the distributi on of dark and bri ght components. The upp er and lower eight bit v ideo signals are me moriz ed into two Pl asma AI processor s IC9651 an d IC9601. The Plasm a AI circuits c onverts the 8 bit sig nal data[...]

  • Página 25

    25 SC Board Expla nation Figure 23[...]

  • Página 26

    26 Figure 24 The SC Boar d consists of buffers and driv ers used to g enerate th e scan sig nals to the pan el. The bu ffers provi de isolation betw een the D2 bo ard and th e driv ers. Connector SC20 prov ides the driv e voltages (140V, 10 0V and 18 V). Connector SC21 prov ides trigger sig nals to switch the F ET transis tors. The D 2 board switch[...]

  • Página 27

    27 Figure 25 After the sc an waveform is d eveloped on the SC Board, i t is appli ed to th e SU and SD bo ards for de- multiplexing . The signal is input to a series o f shift regi sters inside the PD P scan dr iver IC. Fig ure 25 show s an example of the de- multiplex ing cir cuit. There ar e six dri ver IC s on the SU boar d and six on the SD boa[...]

  • Página 28

    28 SS Board Expla nation Figure 26 After the v ideo signal is processed on t he D2 board , the sustain an d erase pulses are outpu t to the SS board. The erase pulse is out put at the beginning o f each scan period. The pulse is appli ed to th e SS2 and SS3 boards t o remove the previ ous charge for t he upper and low er sections o f the dis play p[...]

  • Página 29

    29 Figure 27 Figure 28[...]

  • Página 30

    30 The Sustain pulse is d eveloped using a simil ar circuit as the Sc an Pulse. A seri es of speci fically timed pulses are applie d to FET driver s creating the d istinctive sustain pulse. The drivers sw itch the voltag es (150V, 1 55V and 1 75V) at sel ected interv als determined by the D2 board. The basic w a veform remains constant but the ex a[...]

  • Página 31

    31 Pow er Supplies Standby Power Suppl y Figure 29 The standby power supply provides the necessary DC voltag e for the sy stem control Micr oprocessor, R eset circuit an d the EEPR OM. D421 recti f ies the incoming AC Volt age and appli es it to the transformer T402 and the standby B+ control cir cuit IC400. The outp ut pulses of IC400 ar e then ap[...]

  • Página 32

    32 Main Power Supply Figure 30 Power Factor Control The pow er factor co ntrol circui t operates li ke a bo ost regulat or. The incoming AC voltag e, after being switched on, enters the re ctifier D402 w here it is conv erted to DC. The P ower Factor Contr ol (PFC) ci rcuit conver ts the DC lev el to 400Vdc. The negati ve side of th e bridge r ecti[...]

  • Página 33

    33 Low Voltage Power supply VCC and Start-up v oltage for the low voltag e power suppl y is pr ovided t o IC650 of the P5 B oard by the standby power supply circuit (not sh own). U pon start-up of the sw itching control circuit, a pulse w idth modulat ed signal is output at pin 9 of connec tor P18/P18 A to driv e the switching tr ansistor Q416. W h[...]

  • Página 34

    34 High Voltage Power Suppl y Figure 31 The P3-Boar d contains the drive v oltage oscillator circ uit that dev elops the Vsus voltag e needed to dr ive th e Scan and Sustain bo ards. Opera tion be gins wi th the 18Vdc sup ply being applied t o pin 12 of connector P15. Thi s voltag e serves as start up v oltage for IC601. Q60 4, connected to pin 7 a[...]

  • Página 35

    35 Over-v oltage protection ( OVP) is prov ided via pin 6 o f connect or P16. This voltag e enters pi n 4 of IC601 for immediat e shutdow n of the IC if th e Vsus voltag e rises to an un desired l evel. The OVP feedback is also pr ovided t o the system contr o l circui t via pin 13 of connector P15 for immedi ate shutdow n of the entire uni t. The [...]

  • Página 36

    36 Protection Circuits Figure 32 Protection ci rcuits are incorporat ed in the u nit to prev ent the failure of a singl e circuit or component from creati ng catastrop hic damag e. The P7 a nd P8 boards are daughter boards o n the P1 mai n pow er supply boar d. The P7 b oard moni tors the Vbk (195V) , Vda ( 75V) and +17V s upply v oltages. The vol [...]

  • Página 37

    37 the resul t is comp ared to a re ference v o ltage. The refer ence vol tage is pr ovided by a z ener diode. I f the output of the com parator g oes high, Q 6741 tur ns on effectivel y gr ounding the SO S line. The SC boar d uses a simi lar circ uit to moni tor the +17V l ine. The SS an d SC boar ds cont ain an LED indic ator to aler t the tec hn[...]

  • Página 38

    38 Diagnostic Proc edures Self Check Disp lay Indication Self-check is used to automatically check the bus line controll ed circui ts of the Plasma display . To get into th e Self-ch eck mode, press and hold the Volume Do w n button on the front of t he unit, the n the OFF-TIMER button on the remo te control. The g raphic in figur e 32 shoul d be d[...]

  • Página 39

    39 Power LED Flashing timing chart W hen an abnormality has occurred in the unit, the protection circuit operates and shuts off t he power supply . The faulty area can be ide ntified by the num ber of flashes o f the Pow er LED at t he front of the u nit.[...]

  • Página 40

    40 Diagnostic Fl ow Charts No Power There are three sta tes of “No P ower” indication by the pow er LED: 1. The pow er LED does n ot light up . 2. The pow er LED is g reen at pow er up. It then t urns red a few second s later and blinks o n and o ff. 3. The pow er LED is r ed at pow er up and never changes state . No Check the P-Board. Replace [...]

  • Página 41

    41 The Power LED is red and blinking on/off. W hen one or more of the pow er supply voltages is missing, the red LED blinks on and o ff . Remo ve Connector P 5 No Is the LED still blinking red? Check D1-B oard. Check SS/SC- Boards. Yes Blinking stops But still no picture Check the o utput of th e P-Board. No Remove Connect o r P1, P2. Is the Power [...]

  • Página 42

    42 Power LED blinks twice Are the SS board LEDs lit? The SS board is suspected to be defective. Is the SC board LED lit? The SC board is suspected to be defective. Is the Vda voltage correct? The Power supply is sus p ected to be defec tive. The D1 is su spected to b e defective. NO NO NO YES YES YES[...]

  • Página 43

    43 No Picture Flo w chart 1 Is the On sc reen Displa y inform ation visibl e? Is the SC Board LE D illum inated? Is the SS Board LE D illum inated? SC Board is probab ly defectiv e. SS Board is probabl y def ective . D1 or D2 B oard is proba bly defectiv e. Does the problem exis t on all in p uts? Does the problem exis t on Compos ite video? Does t[...]

  • Página 44

    44 No picture Flo w chart 2 Are the video signals correc t at th e D1 board input? Reference the HY/HZ and HX board troubleshoot ing charts Is the SC board LED lit? The SC board is suspected to be defective. Is the T PSC1 Wave form inco rrect? The D2 Board is suspected to be defective. Ar e t he vo lt ag es at connectors SC2 and SC23 o f t h e SC b[...]

  • Página 45

    45 Dark picture Flowchart Are the video signals correc t at th e D1 board input? Reference the HY/HZ and HX board troubleshoot ing charts Are the SS board LEDs lit? The SS board is suspected to be defective. Is the TP SS1 Wave form inco rrect? The D2 Board is suspected to be defective. A re the voltages at connectors SS11 and SS12 of the SS boa r d[...]

  • Página 46

    46 Local screen failu re The Plas ma Dis play Panel unit may develop a fail ure, w here the sy mptom is localiz ed in a parti cular ar ea of the scr een. Th e figure bel ow can help local ize the circuit boar d that i s most l ikely to be defecti ve. In the exampl e in figure 34 , one of the tw o boards, C3 and D 2 is likely to be the cause. Figure[...]

  • Página 47

    47 2. Listen to t he buzz noise of the SC board; if t he buzz noise is not present, a malfunctio n of the SC- Board is s uspected. Suggestions: Check t he Scan pulse wav eform at TPSC1. (Use TPSS1 of the SS-board to trigger the oscilloscop e.) Verify th e input signal s at conn ector SC2, SC 4, SC20 and SC21. Verify th at the signal s of the clock [...]

  • Página 48

    48 Symptom: No picture (bl ack Screen)  Suggestion: The use of a magnifying glass can help locali ze the de fective printed cir cuit bo ard. Use th e magni fying glass to tak e a close lo ok at the pi xels o f the screen. If the pix els are faintly lit , the defect is most likely located in o ne of the follow ing boards: A) SS-Board B) SS2-Bo ar[...]

  • Página 49

    49 Suggestions: Check t he Scan pulse wav eform at TPSC1 of the SC- Board. (Use TPSS1 of the SS - board to tr igger the oscilloscope.) Proceed to check the pow er sources at connector S S11, SS12 and SS33. Verify th at the clock and serial dat a lines fr om the D - board ar e presen t at connector S S33. Note: It is easier to measure i nput l evels[...]

  • Página 50

    50 Figure 41 Symptom: Horiz ontal Black Bar (Complet ely dark) Note: T he u se of a magnifying glass can h elp localiz e the defectiv e printed cir cuit board . Use the magni f ying glass to take a cl ose look at the pixel s in the area of the bl ack bar. 1 If the pi xels ar e totally dark , the defect is most likely located in o ne of the follow i[...]

  • Página 51

    51 Symptom: Vertical Bl ack Bar • Suggestion: Since the C2 board contains th e serial t o parallel converter s for the pict ure data that driv e this portion of the scr een; the most likely cause for thi s defect ca n be local ized to th e C2-Boar d or th e D2-Board.  S y mptom: Vertical Bl ack Bar Suggestion: Since the C3 board contains th e [...]

  • Página 52

    52  Symptom: Burned im age (pattern) is visibl e. Suggestion: Activate the scr oll bar or run the set w ith a white raster for at leas t fiftee n minutes . Panasonic Figure 44[...]

  • Página 53

    53 A ft er Image P re vention If a custo mer has bee n vi ewing a 4:3 pictur e or another st ationary pattern for a long peri od of ti me it is possi ble for an after i mage to b e burned i nto the p anel. Advise the c ustomer that o peration in 4:3 mod e for a long period ca n cause a permane nt image b urn, da maging the panel. Use o f Just mode [...]

  • Página 54

    54 4. To stop the screen sav er, press the R but ton on t he remo te cont rol. Side Bar Bright ness adjustment This feat ure allow s the customer to adjust the brightness o f the non-pictur e area on ei ther si de of the 4:3 i m age on scr een. 1. Press th e Setup bu tton on t he remote c ontrol. 2. Use the Up/Dow n arrow buttons to highlig ht Side[...]

  • Página 55

    55 Option Setting A ccessing the Option Menu 1. Press to displ ay the Se tup menu. 2. Press to sel ect OSD Lang uage. 3. Press the sur round but ton on remote c ontrol for mo re th an thre e se co nds. Th e act ion m enu should be display ed on screen. Figure 56 Figure 57 Figure 58[...]

  • Página 56

    56 Settings th e Action Me nu 1. Use the Up/Dow n buttons t o select th e desired item. 2. Use the Le ft / Right Bu ttons to select t he desired functi on The option menu will disappear 60 sec onds after the operati on. Press the R b utton to ex it the Option Menu. Hidden Option Menu for GPH5D series GPH5D chassis series have special func tion and [...]

  • Página 57

    57 Note: Setting the r emote con trol User Level an d Remote ID o ff. 1. Access serv ice mode (CAT- mode) and pr ess SET UP key on remote. 2. Access th e hidden o ption menu. 3. Change the r emote control User Lev el and/ or Remot e ID set to off.[...]

  • Página 58

    58 Sample Wa v eforms HY/HZ board The pages th at follow contain samples of wa veforms that ar e present w hen the unit is in g ood oper ating condition. Prior to de termining that a b oard should be replaced, i t is adv isable that t hese w aveforms are ch ecked to hel p achiev e the right conclusi on. Figure 61 is an illustrat ion of the HZ-Board[...]

  • Página 59

    59 The waveforms listed below must be chec ked at connector H2 of the HZ- Board. Note: If any of the sig nals show n here is missi ng, th is indicates a possible malfunction o f the HZ- Board. Ver ify that all DC and I 2 C inputs to th e HZ-Board are prese nt. If these are c orrect, repl acement of the HZ -Board is recommende d. CN H2, Pin B3 20us/[...]

  • Página 60

    60 The waveforms listed below must be chec ked at connector H2 of the HZ- Board. Note: A possible malfuncti on of the HZ- Board may exist if any of th e signal s listed a bove is mi ssing. Veri f y that al l DC and I 2 C inputs to the HZ- Board are pres ent. If these ar e correct, r eplacemen t of the HZ -Board is reco mmended. CN H2, Pin B17 5us /[...]

  • Página 61

    61 HX board Figure 62 is an illustrat ion of the HX -Board. The board is the interfac e between the PC inpu t and the D1- Board. W hen trouble shooting , connect a P C to the input terminal s and observ e the out put signals at connector HX1/D3. See the nex t page for w a veform sa mples. Figure 62[...]

  • Página 62

    62 Note: The signals lis ted below must be checked at connector H X1 of the HX - Board. Note: A possible mal function of the H X-Board may exist i f any of the si gnals li sted on this page is missing. Verify th at all DC i nputs to t he HX-Board ar e present . If these are c orrect, repl acement of the H X-Board i s recommende d. CN HX1, Pin B20 1[...]

  • Página 63

    63 SC Board Input Signals Figure 63 Figure 63 is an illustrat ion of the SC-Bo ard connection t o the remaining boards of the panel . The SC- board i s the inter face between the D2-Boar d, SU and the SD Boards. W hen troubl eshooti ng, connect a fixed v ideo source to any of the i nput terminal s and observ e the input signals at c o nnector SS20 [...]

  • Página 64

    64 SC Board Waveforms The wavefo rms listed belo w must be chec ked at connector SC2 0 of the SC- Board. CN SC20, Pin 1 1ms / div , 0.2V CRL CN SC20, Pin 2 1ms / div , 0.2V CEL CN SC20, Pin 3 1ms / div , 0.2V CEH CN SC20, Pin 6 1ms / div , 0.2V CSL CN SC20, Pin 7 1ms / div , 0.2V CSH CN SC20, Pin 8 1ms / div , 0.2V CML CN SC20, Pin 9 1ms / div , 0.[...]

  • Página 65

    65 The wavefo rms listed belo w must be chec ked at connector SC2 1 of the SC- Board. CN SC21, Pin 2 1ms / div , 0.2V CL CN SC21, Pin 3 1ms / div , 0.2V CLK CN SC21, Pin 4 1ms / div , 0.2V SIU CN SC21, Pin 9 1ms / div , 0.2V CPH CN SC21, Pin 6 1ms / div , 0.2V SID CN SC21, Pin 7 1ms / div , 0.2V SCSU CN SC21, Pin 8 1ms / div , 0.2V CPL[...]

  • Página 66

    66 SS-Board Input Signals Figure 64 Figure 64 is an illustrat ion of the SS-B oard connecti on to the remaining boards of the panel . The SS-b oard is the inter face betw een the D2- Board, S S2 and t he SS3 Boards . W hen tr oubleshooti ng, conn ect a fix ed video sour ce to any of the input termi nals and observ e the input sig nals at connec tor[...]

  • Página 67

    67 SS Board Waveforms The wavefo rms listed belo w must be chec ked at connector S S32 of the SS- Board. CN SS32, P in 2 1ms / div , 0.2V URH CN SS32, P in 3 1ms / div , 0.2V UEL CN SS32, P in 4 1ms / div , 0.2V UEH CN SS32, P in 5 1ms / div , 0.2V UBL CN SS32, P in 6 1ms / div , 0.2V USH CN SS32, P in 7 1ms / div , 0.2V UML CN SS32, P in 8 1ms / d[...]

  • Página 68

    68 PDP Defect Pixel Specificati on Zone B Zone A 25% 25% Check Zone Lit Pi xel Singl e Defect Pair Defe ct Defect Dist ance G0 AR 0 0 - B3 G BR 0 6 0 5 c m B Dead Pi xel Zone Specification 1. Dead P ixel (pixel is always off) 2. Lit Pi xel (pi xel is always 3. Pair defect (Adjac ent pix els 4. Defects Di stance (Di stance betw een nearest tw o defe[...]

  • Página 69

    69 Connector Ta bles F-BOARD CONNECTORS The follow ing table list s the voltag e level s present at each pi n of the connectors of the F-Bo ard. Use thi s information to confirm t hat the F- Board is o perating properly . Connector F1 Pin Numbe rs Signal Name Voltage Findings 1 AC IN AC Line Inp ut Le vel 2 NC 3 NC 4 NC 5 AC IN AC L ine i nput Le v[...]

  • Página 70

    70 P-BOARD CONNECTORS (Continued) Connector P3/SS 3 Pin Numbe rs Signal Name Signal Flow (Board or Connector) 1 VDA P3---  S S3 (SS- BOAR D) 2 VDA P3---  S S3 (SS- BOAR D) 3 NC P3---  SS3 ( SS-BO ARD) 4 +17V P3---  SS3 (SS- BOAR D) 5 GNDa P3---  S S3 (SS- BOAR D) 6 GNDa P3---  S S3 (SS- BOAR D) 7 GNDa P3---  S S3 (SS- BOAR D) 8[...]

  • Página 71

    71 Connecto r P10/F AN Pin Numbe rs Signal Name Signal Flow (Board or Connector) 1 FAN +12V P10- --  FAN 2 GND P10---  FAN 3 FAN SOS P10- --  FAN Connecto r P11/F AN Pin Numbe rs Signal Name Signal Flow (Board or Connector) 1 FAN +12V P11- --  FAN 2 GND P11---  FAN 3 FAN SOS P11- --  FAN Connecto r P12/F AN Pin Numbe rs Signal Nam[...]

  • Página 72

    72 P-BOARD CONNE CTORS (Cont inued) Connecto r P18/P1 8 A Pin Numbe rs Signal Name Signal Flow (Board or Connector) 1 STO P P18---  P18 A (P1- BOARD) 2 VCC P18---  P18 A (P1-BO ARD) 3 START P18- --  P18 A (P1-BO ARD) 4 NC P18---  P18A ( P1-BO ARD) 5 GATE P18- --  P18 A (P1-BO ARD) 6 NC P18---  P18A ( P1-BO ARD) 7 H. GND P18--- [...]

  • Página 73

    73 HX- BOARD CONNECTORS The follow ing table list s the voltag e level s present at each pi n of the connectors of the HX -Board. Use this i nformatio n to confi rm that t he HX-Boar d is opera ting properly . Connector HX1/D3 Pin Numbe r Signal Name Voltage Findings Signal Flow (Board or Connector) A-1 5V 5.2V dc HX1---  D3 (D1-BOARD) A-2 5V 5.[...]

  • Página 74

    74 HY / HZ- BOARD CONNECTORS The follow ing table list s the voltag e level s present at each pi n of the connectors of the HY or HZ -Boar d. Use thi s in formation t o confirm t hat the HY or H Z-Board is operati ng properly . Connector H1/D1 Pin Numbe r Signal N ame Voltage Findings Signal Flow (Board or Connector) A-1 9V 9Vdc H1---  D1 (D1-BO[...]

  • Página 75

    75 A d justment P rocedures Panel label Inform ation An exampl e of the p anel prod uction date: MC106 W 36P4 NO. ************* Vbk: **** V Vsus: **** V Ve: **** V Vad: **** V Made in Jap an M Panel Produ ction Date *** Panel Part Number Panel Serial Number Adj us t me n t Voltage Year 9 1999 0 2000 1 2001 1. 7. 1 Month 1 January 2 February 3 March[...]

  • Página 76

    76 +B Set-up Item / Pr eparati on • Input a 10 0% white si gnal. • Set the picture mo de to N ormal an d the W hit e Balance to N ormal • A djustments Adjust and confirm t he indicate d test p oint bel ow for the sp ecified v o ltage. Adjustment table Name Test Point Voltage Volume PFC P20 ac ross pins 1 an d 2 400V ± 1 V R548 Vsus P1 p in 2[...]

  • Página 77

    77 Driver S et-up Item / Prepar ation • Input an AP L 100 % w hite signal . • Set the picture mo de to N ormal an d the W hit e Balance to N ormal A djustments To perfor m the foll owing adjustments, please r efer to t he panel i nformati on label located on the heat si nk o f the panel. S ee the next pag e for mor e informati on about t he pan[...]

  • Página 78

    78 Initia lization Pu lse Ad just Item / Pr eparati on • Input a Cross hatch signal. • Set the picture mo de to N ormal an d the W hit e Balance to N ormal A djustments Adjust the i ndicated test poi nt for the s pecified wav ef orm. Use TPSS1 as the trigger sour ce. Test point Volum e Level T1 TPSC1 (SC) R6523 (SC-Boar d) ≠ 0 T2 TPSC1 (SC) R[...]

  • Página 79

    79 P.C.B. (Printed Circuit Board) exchange procedure 1. Caution Wait 1 minute for the el ectrolyti c capacitors t o discharg e before re moving any PCB from the u nit. 2. Quick adj ustment after P.C.B. exch ange P.C.B. Item Volume T est point Level PFC R548 ( P3) P20 conn ector pi ns 1 and 2 400V ± 1 V Vsus R625 ( P3) TPVsus (SS) Vsus ± 1V* P Boa[...]

  • Página 80

    80 Test Point location s Figure 69[...]

  • Página 81

    81 Lef t/R ight Act i o n VO L R Status Re t u r n V O L U p/ D ow n V O L U p/ D ow n Serviceman mod e CAT (computer aided test) Mode CAT mode me nu CAT Panel sys8.1 IIC Mode CD Mode SD Mode MS Mode ID Mode Remo te Control How to access the CA T mode . Press and h old the Vol ume/Down button on the fr ont pa nel of th e un it and pre ss t he statu[...]

  • Página 82

    82 CD mode Select the C D mode from the front pag e of t he CAT men u by pressing the Up/Down button on th e remote con trol, and t hen press t he Mute button on the remo te contro l for more t han 5 sec. OSD The softw are ver sion of the EE PROM (IC 9354) can be upgraded by: 1. Installin g a new versio n IC 2. Loading the new version softw are fro[...]

  • Página 83

    83 SD Mode Select the SD mode from the front pag e of th e CAT mod e by pressi ng the Up/Down button on t he remote control, a nd then pr ess the A ction button on the remo te cont rol. OSD To exit the SD mode , press the R but ton on th e remote cont rol. Input com mand Check Power Pr otect MTBF Param eter W T PT 23 25 27-- -- -- -- 2 7 27 27 -- -[...]

  • Página 84

    84 I 2 C Menu Structure The values i ndicated i n this flowchart are sampled data. Figure 70[...]

  • Página 85

    85 A lignment Procedures Pedestal Setting Equipme nt requir ed: HDTV Co mponent Video Gray scale pattern G enerator, PC Video Gr ay Scale G enerator Panel Set tings; Pictur e = Nor mal, W hite Bal ance = C ool, Aspect R atio = 16: 9 Pattern Display : Figure 71 Step 1- Access the R, G an d B cutoff set tings and set them t o “80”. Step 2- Und er[...]

  • Página 86

    86 NTSC (480i) White Balance Adjustment Equipme nt requir ed: NTSC P attern G enerato r, Colori meter Panel Set tings; Pi cture = Stan dard, Col or Temper ature = Cool, As pect Ratio = 16:9 Step 1- U sing the Patter n generat or; apply a 20 IRE (15% Lig ht) Window pattern signal to the panel. Ap ply the col o r sensor t o the pan el and monitor the[...]

  • Página 87

    87 480p White Balan ce Adjustment Equipme nt requir ed: 480p Pattern G enerator, Col orimet er Panel Set tings; Pi cture = Stan dard, Col or Temper ature = Cool, As pect Ratio = 16:9 Step 1- U sing the Patter n generat or; apply a 20 IRE (15% Lig ht) Window pattern signal to the panel. Ap ply the col o r sensor t o the pan el and monitor the val ue[...]

  • Página 88

    88 720p White Balan ce Adjustment Equipme nt requir ed: 720p Pattern G enerator, Col orimet er Panel Set tings; Pi cture = Stan dard, Col or Temper ature = Cool, As pect Ratio = 16:9 Step 1- U sing the Patter n generat or; apply a 20 IRE (15% Lig ht) Window pattern signal to the panel. Ap ply the col o r sensor t o the pan el and monitor the val ue[...]

  • Página 89

    89 1080i White Balan ce Adjustment Equipme nt requir ed: 1080i Patter n Genera tor, Col orimeter Panel Set tings; Pi cture = Stan dard, Col or Temper ature = Cool, As pect Ratio = 16:9 Step 1- U sing the Patter n generat or; apply a 20 IRE (15% Lig ht) Window pattern signal to the panel. Ap ply the col o r sensor t o the pan el and monitor the val [...]

  • Página 90

    90 Sub Brightness Setting Equipme nt requir ed: NTSC gr ayscale pat tern Genera tor Panel Set tings; Pi cture = Nor mal, Aspect Ratio = 16:9 Pattern Display : Note: Adjust i n a Dark room. Step 1- Se t the w hite balance to Cool. Step 2- Access the All cutoff setti ng in serv ice mode and adj ust so that pix el emission star ts in the 2 % area and [...]

  • Página 91

    91 Service Contact Informatio n Panasonic Customer Call Center 1-800-211-7262 Tech Support Hotlin e PTV and Digital Products 1-800-743-2335 (Authorized Service Centers onl y) A ll Other Products 1-800-572-2672 (Authorized Service Centers onl y access code required) Fax 1-800-348-7315 1-201-392-4207 No n –authorized (limited time access) Other Num[...]