Table of Contents
Advertisement
Quick Links
TX-28/25XD90F
Safety
Specifications
Parts List
Service
Information
Adjustments
Self Check
Service Hints
Mechanical
View
Disassembly
Location of
Controls
Waveforms
Service Manual
/A/B
Block Diagrams
Schematic Diagrams
PCB Views
Service Support
Service and repair of
this product is
supported by
Panasonic's LUCI
interface.
This interface provides a
link between the TV and
a standard PC to allow a
number of diagnostic
and control functions to
be performed.
For more details contact
your local Panasonic
company.
EXIT
BACK
Advertisement
Table of Contents
Related Manuals for Panasonic TX-28XD90F/A
Summary of Contents for Panasonic TX-28XD90F/A
- Page 1 PC to allow a Schematic Diagrams Self Check number of diagnostic and control functions to Service Hints be performed. Mechanical For more details contact View your local Panasonic company. Disassembly PCB Views Location of Controls EXIT BACK Waveforms...
- Page 2 Audio Control Power supply Video BACK D - PCB E - PCB D - Schematic E - Schematic F - PCBs H - PCB F - Schematic H - Schematic M - PCB Y - PCB M - Schematic Y - Schematic BACK BACK...
- Page 3 ORDER No. SM-98071 Colour Television TX-28XD90F /A /B TX-25XD90F /A /B EURO - 5 Chassis SPECIFICATIONS TECHNISCHE DATEN (Information in brackets { } refer to TX-25XD90F /A /B) (Werte in klammern gelten { } nur fur TX- 25XD90F /A /B) Power Source: 220-240V a.c., 50Hz Netzpannung:...
-
Page 4: Table Of Contents
CONTENTS INHALT SAFETY PRECAUTIONS ............ 2 SICHERHEITSVORKEHRUNGEN ........2 SERVICE HINTS ..............4 SERVICE HINWEISE ............4 SERVICE POSITION ............5 SERVICEPOSITION ............5 SELF CHECK ..............6 SELBSTDIAGNOSE ............6 ADJUSTMENT PROCEDURE ..........7 ABGLEICH ................7 WAVEFORM PATTERN TABLE .......... 8 SIGNAL TABELLE............... - Page 5 LEAKAGE CURRENT HOT CHECK MESSUNG DES KRIECHSTROMS IM Plug the a.c. cord directly into the a.c. outlet. Do not EINGESCHALTETEN ZUSTAND use an isolation transformer for this check. Den Netzstecker direkt in eine Netsteckdose stecken. Connect a 2kΩ 10W resistor in series with an Für diese Messung keinen Trenntransformator exposed metallic part on the receiver and an earth, verwenden.
-
Page 6: Service Hints
SERVICE HINTS SERVICE HINWEISE HOW TO REMOVE THE REAR COVER ENTFERNEN DER GERÄTERÜCKWAND Remove the 11 screws as shown in Fig.2. Die 11 Schrauben entfernen, siehe Abb.2. Screws Schrauben Fig.2. Abb.2. LOCATION OF CONTROLS LAGE DER EINSTELLREGLER Y Board Focus Fokusregler Screen Schirmgitteregler... -
Page 7: Service Position
How to move the chassis into Serviceposition für das Chassis Service position Das Chassis am hinteren Ende leicht anheben und nach hinten herausziehen, wie in Abbildung 4 dargestellt. Hold and lift the rear of the chassis and gently pull Die Kabelhalterungen lösen und das Chassis vertikal um the chassis toward you, as shown in Fig.4. -
Page 8: Self Check
SELF CHECK SELBSTDIAGNOSE Self-check is used to automatically check the bus Die Selbstdiagnose dient zum automatischen Prüfen lines and hexadecimal code of the TV set. der Bus-Leitungen sowie des Hexadezimalcodes des FS-Geräts. Zum Umschalten auf Selbstdiagnose To get into the Self-Check mode press the down zunächst die Taste "STATUS"... -
Page 9: Adjustment Procedure
ADJUSTMENT PROCEDURE Item/Preparation Adjustments +B SET-UP 1. Confirm the following voltages. D-Board E-Board 1. Receive a Greyscale signal. PIN5 147V ± 3V E19-PIN8 ± 0,5V Set the controls:- PIN5 5V ± 0,3V IC3801-PIN3 9V ± 0,5V Brightness Minimum PIN1 40V ±... -
Page 10: Waveform Pattern Table
WAVEFORM PATTERN TABLE SIGNAL TABELLE NOTE: All waveforms have been taken using a standard colour bar pattern. HINWEIS: Alle oszillogramme wurden unter Verwendung des Standard Farbbalken Testbildes aufgenommen. Vert Drive VFLB Vert Out IC451 Pin 2 IC451 Pin 5 IC601 Pin 1 8.6mS 8.6mS H - Out... -
Page 11: Alignment Settings
ALIGNMENT SETTINGS: (The figures below are nominal and used for representative purposes only.) 1. Set the Bass to maximum position, set the Treble to minimum position, press the down button (- / v) on the customer controls at the front of the TV and at the same time press the INDEX button on the remote control, this will place the TV into the Service Mode. -
Page 12: Abgleichtabelle
ABGLEICHTABELLE: (Die angegebenen Werte sind Mittelwerte und Können individuell nach oben oder unten nach dem korrekten Abgleich abweichen.) 1. Um in den Service-Mode zu gelangen, gehen sie bitte wie folgt vor. 2. Stellen sie im Toneinstellungs-Menü die Bässe auf Maximun und die Höhen auf Minimum. 3. -
Page 13: Block Diagrams
9,'(2 %/2&. ',$*5$0 %,/'6,*1$/ %/2&.6&+(0$... - Page 14 $8',2 %/2&. ',$*5$0 7216,*1$/ %/2&.6&+(0$...
- Page 15 &21752/ %/2&. ',$*5$0 .21752// %/2&.6&+(0$...
- Page 16 32:(5 6833/< '()/(&7,21 %/2&. ',$*5$0 675209(5625*81*6 %/2&.6&+(0$...
-
Page 17: Parts Location
PARTS LOCATION EXPLOSIONSZEICHNUNG NOTE: Anmerking: The numbers on the exploded view below Die Nummer auf den mechanischen Teilen refer to the mechanical section of the Zeigt die Bezugsnummer der Ersatzteilliste Replacement Parts List. -
Page 18: Replacement Parts List
EPROM * EAGG1216C2A SPEAKER IC1105 MN1381-T(TA) RESET ENG29505G TUNER IC1106 MN1381-R(TA) RESET EUR511211 REMOTE CONTROL IC1502 VPC3215CB4TP TBM8E1728 PANASONIC BADGE IC1503 MB87F1720 TKP8E1261 REAR AV COVER IC1504 FJB007S TMW8E025 CONTROL BRACKET IC1505 MB87F2131 VP2S TMX8E028 CHASSIS FRAME IC1506 AN77L035M-E1 3.5V REGULATOR TNP8EM015AA M P.C.B. - Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description D504 EU02 DIODE D1110 MA165TA5 DIODE D505 ERA81004V3 DIODE D1112 MA165TA5 DIODE D556 AU02V0 DIODE D1501 MA151ATX DIODE D559 MTZJT-7736A DIODE D2101 MTZJT-7712C DIODE D560 1SS252T-77 DIODE D2102 MTZJT-7712C DIODE D561 1SS254T-77 DIODE...
- Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description L008 ELJFC2R2KF COIL Q1108 BC847B TRANSISTOR L009 ELJFC2R2KF COIL Q1109 BC847B TRANSISTOR Q1110 BC847B TRANSISTOR L251 EXCELSA35T COIL L252 EXCELSA35T COIL Q1111 BC847B TRANSISTOR Q1112 BC847B TRANSISTOR L253 EXCELSA35T COIL Q1113 BC847B TRANSISTOR...
- Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description L1534 EXCELDR35V COIL JA19 ERJ6GEY0R00 S.M.CARB 0.1W L1535 EXCELDR35V COIL JA20 ERJ8GEY0R00 S.M.CARB .125W L1536 EXCELDR35V COIL JA21 ERJ6GEY0R00 S.M.CARB 0.1W L1537 TLT100K991R COIL JA23 ERJ6GEY0R00 S.M.CARB 0.1W L1538 TLT018K991R COIL JA24 ERJ6GEY0R00...
- Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description R251 ERJ6GEYJ391 S.M.CARB 0.1W R442 ERJ6GEYJ123 S.M.CARB 0.1W R252 ERJ6GEYJ682 S.M.CARB 0.1W R443 ERJ6GEYJ822 S.M.CARB 0.1W R253 ERJ6GEYJ103 S.M.CARB 0.1W R451 ERDS1TJ2R7 CARBON 0.5W R254 ERJ6GEYJ391 S.M.CARB 0.1W R452 ERDS1TJ2R7 CARBON 0.5W R255...
- Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description R665 ERJ6GEYJ392 S.M.CARB 0.1W R897 ERD25TJ183 CARBON 0.25W R666 ERJ6GEYJ222 S.M.CARB 0.1W R901 ERJ6GEYJ562 S.M.CARB 0.1W R667 ERJ6GEYJ393 S.M.CARB 0.1W R902 ERJ6GEYJ562 S.M.CARB 0.1W R674 ERJ6GEYJ273 S.M.CARB 0.1W R903 ERJ6GEYJ562 S.M.CARB 0.1W R675...
- Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description R1128 ERJ6GEYJ472 S.M.CARB 0.1W R1503 ERJ6GEYJ332 S.M.CARB 0.1W R1129 ERJ6GEYJ472 S.M.CARB 0.1W R1504 ERJ6GEYJ151 S.M.CARB 0.1W R1130 ERJ6GEYJ104 S.M.CARB 0.1W 100K R1505 ERJ6GEYJ471 S.M.CARB 0.1W R1131 ERJ6GEYJ101 S.M.CARB 0.1W R1506 ERJ6GEYJ271 S.M.CARB 0.1W...
- Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description R1576 ERJ6GEYJ102 S.M.CARB 0.1W R1662 ERJ6GEYJ223 S.M.CARB 0.1W R1577 ERJ6GEYJ102 S.M.CARB 0.1W R1663 ERJ6GEYJ331 S.M.CARB 0.1W R1578 ERJ6GEYJ301 S.M.CARB 0.1W R1664 ERJ6GEYJ103 S.M.CARB 0.1W R1579 ERJ6GEYJ431 S.M.CARB 0.1W R1665 ERJ6GEYJ471 S.M.CARB 0.1W R1580...
- Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description R2355 ERJ6GEYJ103 S.M.CARB 0.1W R3061 ERJ6GEYJ562 S.M.CARB 0.1W R2356 ERJ6GEYJ103 S.M.CARB 0.1W R3062 ERJ6GEYJ562 S.M.CARB 0.1W R2357 ERJ6GEYJ562 S.M.CARB 0.1W R3063 ERJ6GEYJ222 S.M.CARB 0.1W R2358 ERJ6GEYJ562 S.M.CARB 0.1W R3064 ERJ6GEYJ272 S.M.CARB 0.1W R2359...
- Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF R3428 ERJ6GEYJ680 S.M.CARB 0.1W C353 ECUV1H104KBX S.M. CAP 100nF R3430 ERJ6GEYJ103 S.M.CARB 0.1W C354 ECQM2104KZ FILM 250V R3433 ERJ6GEYJ332 S.M.CARB 0.1W C355 ECKC2H102J CERAMIC 500V 220nF R3446 ERJ6GEYJ102 S.M.CARB 0.1W C362 ECUV1H224ZFX...
- Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF 2.2nF C867 ECA1CM222E ELECT C617 ECUV1H104ZFX S.M. CAP 100nF 10µF C868 ECA1CM100GB ELECT C618 ECUV1H104ZFX S.M. CAP 100µF 10pF C620 ECUV1H100DCX S.M. CAP C869 ECA1HM101GB ELECT 100µF 47pF C871 ECA0JM102GB ELECT 6.3V...
- Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF 100nF C1515 ECUV1H104ZFX S.M. CAP C1585 ECUV1H104ZFX S.M. CAP 30pF 100nF C1516 ECUV1H030CCX S.M. CAP C1586 ECUV1H104ZFX S.M. CAP 47nF 100nF C1517 ECUV1H473ZFX S.M. CAP C1587 ECUV1H104ZFX S.M. CAP 100nF 100nF C1518...
- Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description 100nF 10µF C1658 ECUV1H104ZFX S.M. CAP C2132 ECA1CM100GB ELECT 47µF 47pF C1659 ECA1VM470B ELECT C2133 ECUV1H470JCX S.M. CAP 100nF 47pF C1660 ECUV1H104ZFX S.M. CAP C2134 ECUV1H470JCX S.M. CAP 100µF C1661 ECA1HM101GB ELECT C2135...
- Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description 10nF JK3281 TJBA039 AV TERMINAL C3120 ECUV1H103KBX S.M. CAP JK3401 1364-21-21 SCART SOCKET C3122 ECUV1H102KBX S.M. CAP 10nF C3123 ECUV1H103KBX S.M. CAP JK3402 1364-21-21 SCART SOCKET C3124 ECUV1H102KBX S.M. CAP R847 TSF19252 FS LINK...
- Page 32 R680 ERJ6GEYJ303 S.M.CARB 0.1W CAPACITORS MECHANICAL PARTS 10nF C636 ECUV1H103ZFX S.M. CAP TKU8E00310 BACK COVER A59ECF50X81 C.R.T. DIFFERENCES FOR MODEL TX-28XD90F/A TKY8E151-2 CABINET TNPA1014AE D P.C.B. MECHANICAL PARTS TLK8E05138 DEGAUSS COIL TKP8E1181 DOOR LID TKU8E00320 BACK COVER TNPH0176AG E P.C.B.
- Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description TLK8E05140 DEGAUSS COIL TKP8E1181 DOOR LID TNPH0176AH E P.C.B. TKP8E1185 LEFT PANEL TQF8E2752-1 MODEL LABEL TBX8E046 POWER BUTTON TKP8E1189 RIGHT PANEL TKP8E1169 SPEAKER NET TKP8E1183 TOP PANEL TNPA1353AD Y P.C.B. MISCELLANEOUS COMPONENTS TPC8E4659 OUTER CARTON...
-
Page 34: Schematic Diagrams
NOTE: NOTE: FOR MODELS WITH THE DARK WALNUT FINISH POUR LES MODELES FINITION NOYER FONCE PLEASE REFER TO THE TX-28XD90F/A AND SE REFERER AUX LISTE DES DIFFERENCES TX-25XD90F/A DIFFERENCE LISTS AND FOR POUR TX-28XD90F/A ET TX-25XD90F/A, ET MODELS WITH LIGHT MAHOGANY FINISH... - Page 35 SCHEMATIC DIAGRAMS FOR MODELS SCHEMA TECHNIQUE POUR MODELE TX-28XD90F /A /B TX-28XD90F /A /B TX-25XD90F /A /B TX-25XD90F /A /B (EURO-5 CHASSIS) (EURO-5 CHASSIS) IMPORTANT SAFETY NOTICE REMARQUE IMPORTANTE POUR LA SÉCURITÉ Components identified by mark have special Les éléments portant la marque possèdent characteristics important for safety.
-
Page 42: Ansicht Der Leiterbahnen
CONDUCTOR VIEWS ANSICHT DER LEITERBAHNEN E - BOARD TNPH0176 TRAN’S DIODE’S Q101 D001 D2364 A6 Q103 D002 D3005 B1 Q104 D252 D3006 B2 Q251 D253 D3008 B4 Q252 D254 D3009 A3 Q253 D255 D3010 A3 Q254 D256 D3011 B1 Q281 D281 D3803 A5 Q282... - Page 43 Y - BOARD TNPA1353 TRAN’S Q901 Q902 Q903 Q904 Q906 Q908 Q909 Q3351 A2 Q3352 A2 DIODE’S D351 D352 D361 D362 D371 D372 D373 D374 D375 D387 D901 D902 D903 D910 D911 D3351 A2 D3352 A3 D3353 A1 D3354 C3 T.P.’S TPY1 TPY2...
- Page 44 D - BOARD TNPA1014 DIODE’S TRAN’S D503 Q502 D504 Q552 D505 Q553 D551 Q554 D556 Q701 D559 Q801 D560 Q803 D561 Q804 D563 Q845 D565 Q846 D566 Q847 D571 Q848 D575 Q849 D701 Q850 D803 Q852 D807 Q853 D808 Q854 D809 D810 I.C.’S...
- Page 45 H - BOARD TNPA1047 TRAN’S Q2401 A2 Q2407 A3 Q2408 A3 Q2409 A3 Q2410 A3 Q2411 A3 Q2412 A3 Q3401 B1 Q3402 C1 Q3403 B1 Q3404 C1 Q3405 C3 Q3406 C3 DIODE’S D2401 A2 D2403 A3 D2404 A3 D2405 A3 D2406 A3 D2407 A3 D2408 A3...
- Page 46 F - BOARD TNPA1068 TRAN’S Q1663 B2 Q1664 B2 Q1665 B2 Q1666 C1 Q1667 C1 I.C.’S IC1502 B3 IC1503 C3 IC1504 D1 IC1505 D2 IC1506 C2 IC1509 C1 IC1510 C1...
- Page 47 F - BOARD TNPA1068 TRAN’S Q1501 D3 Q1502 C3 Q1503 B2 Q1504 C1 Q1505 C1 Q1506 C1 Q1507 C1 Q1508 C1 Q1509 C1 Q1510 D1 Q1511 D1 Q1519 D1 Q1660 C2 Q1661 C2 Q1662 C2 I.C.’S IC1507 B2...
- Page 48 M - BOARD TNP8EM015 TRAN’S Q1011 A1 Q1012 A2 DIODE’S D1011 A1 I.C.’S IC1011 A1...